Work and Energy Complete Chapter🔥| CLASS 9th Science | NCERT covered | Prashant Kirad

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  • Опубликовано: 20 ноя 2024

Комментарии • 11 тыс.

  • @abhirajthedancer
    @abhirajthedancer Месяц назад +3201

    Bhaiya we need these chapters:
    1. Improvement in Food Resources
    2. Structure of the Atom
    3. Sound

  • @deepanshsingh344
    @deepanshsingh344 Месяц назад +2222

    P-polite
    R-rare
    A-advicer
    S-speaker
    H-honest
    A-advetures
    N-nice
    T- trustworthy
    Those who respect Prashant bhaiya like ❤😊😊❤
    Edit- thanks to the every legends for liking my comment and make me reach 2k likes on my comment
    Thank you so much guys 😊😊😊🙏🏻🙏🏻🙏🏻🗿🗿😊😊😊😎😎😎💪🏻💪🏻♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️❤️❤️❤️❤️❤️❤️❤️❤️♥️♥️♥️🏆🏆🏆🏆🥳🥳🥳🥳🥳🥳🥳

    • @BOSS-GAMING-1123
      @BOSS-GAMING-1123 Месяц назад +67

      😅😅EXAMS KI KASAM JSNE SUBS❤CRIBE NAHI KIYA VOH PAKA EXAMS MEIN FAIL😅😅

    • @parvativishnoi2696
      @parvativishnoi2696 Месяц назад +76

      K=kind
      I=inteligent
      R =Responsible
      A =Atractiv teaching
      D=Detol of hard quition ❤❤❤❤❤❤❤
      Edit. Like kro yaar 😂

    • @DilipBoruah-o2f
      @DilipBoruah-o2f Месяц назад +5

      Nice ❤❤

    • @DilipBoruah-o2f
      @DilipBoruah-o2f Месяц назад +3

      Nice ❤❤

    • @Binayak2903star
      @Binayak2903star Месяц назад +13

      Advicer❌
      Advisor ✅

  • @SimranKhatoon-w2w
    @SimranKhatoon-w2w Месяц назад +1288

    I wish him every student's achieve 95 % above in class 9th
    Votes for next chapter
    👇👇👇👇👇👇👇❤❤❤
    Do not take rest
    Because Prashant bhaiya is perfect and best 😂😂😂😂😂❤❤😮😮😅😅

  • @smile_finders_0
    @smile_finders_0 4 дня назад +16

    1:12:11
    Here's how to calculate the maximum height reached by the ball using the law of conservation of energy:
    1. Initial Kinetic Energy:
    The ball is thrown upward with an initial velocity, so it possesses kinetic energy. The formula for kinetic energy is:
    Kinetic Energy (KE) = 0.5 * mass * velocity^2
    Substituting the given values:
    KE = 0.5 * 10 kg * (15 m/s)^2
    = 1125 Joules
    2. Potential Energy at Maximum Height:
    At the maximum height, the ball's velocity becomes zero, meaning its kinetic energy is converted entirely into potential energy. The formula for potential energy is:
    Potential Energy (PE) = mass * gravity * height
    3. Equating Kinetic and Potential Energy:
    According to the law of conservation of energy, the initial kinetic energy equals the potential energy at the maximum height:
    KE = PE
    Substituting the values:
    1125 Joules = 10 kg * 9.81 m/s^2 * height
    4. Solving for Height:
    Rearranging the equation to solve for height:
    height = 1125 Joules / (10 kg * 9.81 m/s^2)
    ≈ 11.47 meters
    Therefore, the maximum height reached by the ball is approximately 11.47 meters.

  • @shouryadubey574
    @shouryadubey574 Месяц назад +977

    Bhaiya please "structure of the atom"✅✅
    vote here
    👇🏻👇🏻👇🏻

  • @Mking-v1y
    @Mking-v1y Месяц назад +650

    Ch 12 Improvement of food resources

  • @aaryanpatnaik
    @aaryanpatnaik 7 дней назад +178

    1:12:32 full explanation of answer is:
    Mass= 10 kg
    initial velocity= 15m/s
    final velocity=0(as when object is thrown vertically upwards the final velocity is considered 0)
    so at height 0 in bottom, the total energy acting in the ball would be kinetic, as the height is 0 and for potential energy you need some height
    so
    Total Energy= Kinetic Energy at bottom
    1/2mv^2
    1/2x10x15x15
    1/2x10x225
    1125 J
    so at heighest height for a fraction of time the object has 0 velocity which means it has potential energy at the top.
    so total energy at top = Potential energy
    1125 = mgh
    1125=10x10xh
    1125/100= h
    11.25m
    In this answer i have considered acceleration due to gravity to be 10, you can try with 9.8 also.
    edit: You can simply use the third equation of motion to understand but I tried to explain it conceptually.
    Thanks for reading

    • @khatarnakgamerapuloyt2856
      @khatarnakgamerapuloyt2856 6 дней назад +3

      Height would be 11.48 m if g= 9.8

    • @Ishan_esjj
      @Ishan_esjj 6 дней назад +3

      No, Gravity is taken as round off and it will be 10 only not 9.8....Actually it is correct in both ways

    • @anshumanmaindola9505
      @anshumanmaindola9505 5 дней назад

      Ok

    • @aaravmahajan432
      @aaravmahajan432 5 дней назад +1

      just use v^2-u^2=2as

    • @sumanmeena7778
      @sumanmeena7778 4 дня назад

      @aaryanpatnaik my answer is in negative like -11.25m . It is correct or not

  • @rekhaarora515
    @rekhaarora515 15 дней назад +267

    Urgently needed
    1) structure of atom
    2)sound
    3)Improvement in food resources

  • @anirudhtak
    @anirudhtak Месяц назад +565

    1. Structure of the atom
    2. improvement in food resources

  • @UpasyaChetia
    @UpasyaChetia Месяц назад +239

    00:05 Introduction to the chapter on Work and Energy
    00:45 Importance of Energy in Learning
    02:04 Understanding work in the context of physics
    02:50 Understanding work and energy in physics
    04:11 Work done is force into displacement
    05:01 Understanding the concept of force and displacement
    06:23 Concept of force and displacement
    07:01 Understanding force direction during braking
    08:29 Understanding displacement and forces in work and energy
    09:11 Understanding Displacement and Work Formula
    11:03 Understanding work in different directions
    11:47 Understanding the concept of work and displacement
    13:07 Understanding Work and Energy concepts
    13:49 Discussion on work done and energy in the context of gravity
    15:17 Understanding when force can be zero
    16:03 Force is zero if velocity and acceleration are zero
    17:30 Understanding Work and Energy in Different Directions
    18:13 Understanding centripetal and centrifugal forces
    19:34 Understanding horizontal motion and gravity in work and energy
    20:12 Understanding perpendicular motion and horizontal direction.
    21:47 Understanding the concept of work and energy
    22:59 Understanding the concept of work and energy in physics.
    24:24 Concept of work and energy
    25:08 Importance of appreciating and prioritizing loved ones
    26:44 Work and energy are scalar quantities, not vectors
    27:28 Kinetic energy is the energy possessed by a moving object.
    28:46 Understanding Kinetic Energy Formula
    29:30 Work and energy are related
    31:02 Understanding kinetic energy and initial velocity when an object is at rest
    31:46 Kinetic energy is related to velocity and mass
    33:22 Understanding work and kinetic energy change
    34:03 Understanding change in kinetic energy
    35:37 Understanding increase in kinetic energy with respect to velocity
    36:21 Calculate percentage change in kinetic energy
    38:00 Encourage respectful questioning and self-solving
    38:54 Understanding Work Done and Final Velocity concept in Physics
    40:31 Calculating kinetic energy
    41:14 Understanding Kinetic Energy Calculation
    42:39 Potential energy is stored energy due to height difference
    43:17 Potential energy is related to object's position
    44:45 Potentials Energy is Path Independent
    45:21 Potential energy can convert to kinetic energy in various examples.
    46:34 Attempting to answer question number 25 directly without attempting question number 1
    47:16 Understanding Potential Energy
    48:35 Calculating work done and displacement in physics.
    49:38 Understanding the formula of work done
    50:59 Understanding Potential Energy and Work Done
    52:02 Understanding potential energy and its calculation
    53:30 Understanding potential energy and its calculation
    54:15 Understanding potential energy and its relation to height and speed
    55:46 Fast calculation tips for solving work problems
    56:32 Understanding the work done and energy during vertical displacement
    57:57 Law of Conservation of Energy explains energy transformation
    58:47 Derivation of Law of Conservation of Energy Proof
    1:00:30 Calculating potential energy and kinetic energy in physics
    1:01:15 Deriving and applying the formula v = u + 2as
    1:02:54 Calculating kinetic energy using the formula v^2 - u^2 = 2as
    1:03:44 Derivation of Kinetic and Potential Energy Conservation
    1:05:14 Conversion of energy from electrical to sound energy
    1:05:51 Conversion of chemical energy to thermal and light energy explained
    1:07:08 Discussion on Thermal Power Plant
    1:07:48 Understanding the conversion of potential energy to kinetic energy
    1:09:12 Conversion of potential energy to kinetic energy
    1:09:59 Understanding Kinetic and Potential Energy
    1:11:29 Calculation of total energy at a specific point
    1:12:18 Understanding the concept of power
    1:13:51 Understanding the concept of power in physics
    1:14:34 Average power is total work divided by total time.
    1:16:06 Calculating work done by a crane lifting a 500 kg load to a height of 10 meters in 20 seconds.
    1:17:00 Understanding power and energy
    1:18:32 Calculating work done and power in a scenario
    1:19:26 Understanding commercial unit of power in electricity
    1:20:48 Understanding conversion of units for electricity calculations
    1:21:30 Understanding energy units and conversions
    1:23:06 Understanding the conversion of energy units
    1:23:50 Calculating total electricity cost based on units used
    1:25:15 Understanding work done by gravity in uniform speed
    1:25:53 Understanding the concept of work and energy
    1:27:52 Calculation of kinetic energy using the formula 1/2 mv^2
    1:28:43 Understanding kinetic energy and momentum in detail
    1:30:21 Understanding the concept of squares and powers
    1:31:13 Work is a prerequisite for power
    Thank me later

    • @Ambergaming747
      @Ambergaming747 Месяц назад +3

      ye sab dikhakar kya sabit karna chahte ho

    • @Roger_dalal
      @Roger_dalal Месяц назад +10

      Bhai ya hamara kaam assan kar raha ha
      Jo hamare topic chiya vo short cut ma ha

    • @Hanvita-2810
      @Hanvita-2810 Месяц назад +5

      ​@@Ambergaming747bhai hamare kaam aasan kar rahe hai

    • @Zenox_warrior01
      @Zenox_warrior01 Месяц назад +3

      Bhai itna mn phadai me hota na tho tu upsc 10 br, neet 25 br ,jee advance 100 br crack kr lega

    • @Harshit-pp1he
      @Harshit-pp1he Месяц назад +4

      Ye pakka Prashant bhaiya ki I'd h vo hamare liye hr tareeke se madat kr rhe h ❤❤

  • @lizardeye943
    @lizardeye943 20 дней назад +78

    Vote for structure of atom

  • @BOSS-GAMING-1123
    @BOSS-GAMING-1123 Месяц назад +1211

    😅😅EXAMS KI KASAM JSNE SUBS❤CRIBE NAHI KIYA VOH PAKA EXAMS MEIN FAIL😅😅

  • @napendrajaat
    @napendrajaat Месяц назад +493

    Exam ki kasam like nhi to fail

  • @STUDY_WITHIN
    @STUDY_WITHIN День назад +3

    Mass= 10 kg
    initial velocity= 15m/s
    final velocity=0(as when object is thrown vertically upwards the final velocity is considered 0)
    so at height 0 in bottom, the total energy acting in the ball would be kinetic, as the height is 0 and for potential energy you need some height
    so
    Total Energy= Kinetic Energy at bottom
    1/2mv^2
    1/2x10x15x15
    1/2x10x225
    1125 J
    so at heighest height for a fraction of time the object has 0 velocity which means it has potential energy at the top.
    so total energy at top = Potential energy
    1125 = mgh
    1125=10x10xh
    1125/100= h
    11.25m
    In this answer i have considered acceleration due to gravity to be 10, you can try with 9.8 also.
    edit: You can simply use the third equation of motion to understand but I tried to explain it conceptually.
    Thanks for reading

  • @TanisixWorld
    @TanisixWorld Месяц назад +42

    38:24 1600 Joules

  • @NoobManth-q6v
    @NoobManth-q6v Месяц назад +184

    #1:12:32 we know that k.e=1/2m(v^2-u^2) and p.e = mgh
    Given= u=15m/s
    v=0m/s
    h=?
    gravational force=-10m/s^2
    according to the law of conservation of energy
    k.e=p.e
    1/2*m(0^2-15^2)=m*-g*h ( since gravitational force always act opposite)
    1/2(-15^2)=-10*h
    1/2*225=10h
    1/2*225/10=h
    225/20=h
    11.25=h
    therefore the max height is 11.25m
    Check
    v^2-u^2=2as
    -u^2=-2gh
    -225=-20h
    225/20=h
    h=11.25 m

    • @AiyanPrakash-v7b
      @AiyanPrakash-v7b Месяц назад +2

      Correct 💯

    • @vaibhav548
      @vaibhav548 Месяц назад +2

      No .. gravitaional force not always act opposite
      From your senior.....class 11

    • @NoobManth-q6v
      @NoobManth-q6v Месяц назад +1

      @@vaibhav548 thanks senior my names also vaibhav

    • @NoobManth-q6v
      @NoobManth-q6v Месяц назад

      @@AiyanPrakash-v7b thanks

    • @Diya-m8k5e
      @Diya-m8k5e Месяц назад

      No the answer is 11 metre

  • @surinderbehal7049
    @surinderbehal7049 Месяц назад +181

    Ch=12 Improvement in food resources
    Ch=4 structure of the atom

  • @EthanDcosta9B
    @EthanDcosta9B 4 дня назад +26

    prashant bhaiya please do improvement in food resources
    vote for improvement in food recources

  • @shyamarubber4129
    @shyamarubber4129 Месяц назад +78

    1:32:05 improvements of food resources

  • @shivankmalviya968
    @shivankmalviya968 Месяц назад +373

    Vote for-:
    IMPROVEMENT IN FOOD RESOURCES

    • @BOSS-GAMING-1123
      @BOSS-GAMING-1123 Месяц назад +9

      😅😅EXAMS KI KASAM JSNE SUBS❤CRIBE NAHI KIYA VOH PAKA EXAMS MEIN FAIL😅😅

    • @Rishabh-px4bj
      @Rishabh-px4bj Месяц назад +4

      Yes bro please

    • @shivankmalviya968
      @shivankmalviya968 Месяц назад +2

      @@BOSS-GAMING-1123 kar diya hai phele se

    • @shivankmalviya968
      @shivankmalviya968 Месяц назад +2

      @@Rishabh-px4bj haa yr

    • @Tuktuk-o5t
      @Tuktuk-o5t Месяц назад +2

      Yup!!we need it ...😢

  • @KrishnaMudgal-rz2qm
    @KrishnaMudgal-rz2qm Месяц назад +182

    Vote for next chapter structure of atom
    👇👇

  • @AnilKumar-zf7iy
    @AnilKumar-zf7iy 3 дня назад +2

    Like you bhaiya 😊😊😊 the struggle by you gain this position 😊😊😊😊 1:31:25

  • @MalayChetia
    @MalayChetia Месяц назад +205

    Vote for
    structure of atomm❤❤❤
    Diversity in living organisms🎉
    Sound✔️✔️✔️
    Improvement in food resources 🤙🤙
    ✔️✔️✔️✔️💓✔️✔️✔️✔️

    • @tanvienterprises6818
      @tanvienterprises6818 Месяц назад

      ✔️✔️✔️✔️✔️✔️

    • @jagdambajagdamba2711
      @jagdambajagdamba2711 Месяц назад

      Diversity in living organism is deleted

    • @I_Am_Going_Solo
      @I_Am_Going_Solo Месяц назад +1

      Diversity in living organisms is deleted. In the new NCERT it is deleted

    • @justsparsh7670
      @justsparsh7670 Месяц назад +4

      Diversity in living organism is not in slybbusss

    • @justsparsh7670
      @justsparsh7670 Месяц назад +6

      If your school is teaching you this chapter please email on CBSE official web

  • @priyalchoudhary3123
    @priyalchoudhary3123 Месяц назад +20

    1:31:12 Ans c Kinetic energy increases ❤ thanks bhaiyya 😊

  • @Meamarket
    @Meamarket 11 дней назад +42

    1-: improvement of food resources. 1:32:06 2-: sound

  • @ajaychoudhary9456
    @ajaychoudhary9456 Месяц назад +331

    1:32:05 Structure of the atom

    • @Today-Gaming3
      @Today-Gaming3 Месяц назад

      Ha

    • @sudhasubbiah5679
      @sudhasubbiah5679 Месяц назад +1

      Structure of the atom

    • @SantoshDevi-f4p9f
      @SantoshDevi-f4p9f Месяц назад

      Bhaiya structure of the atom 😢
      Please please please please please please please please please please please please please please please please please please please please please please please please please please 🙏🙏🙏🙏🙏🙏🙏🙏🙏

    • @Erishzen
      @Erishzen Месяц назад +1

      Aur bhai me yash gautam hu

    • @RamwatiBansal-g5j
      @RamwatiBansal-g5j Месяц назад +1

      Structure of atom pls

  • @pinkynayak3230
    @pinkynayak3230 27 дней назад +166

    Vote for Structure of Atom 👇

  • @am.Iconic3_23
    @am.Iconic3_23 Месяц назад +80

    Thank you bhaiya but improvement in food resources plssss ❤

    • @MrCutout-k66
      @MrCutout-k66 Месяц назад

      Jisna subscribe or like nahi kiya Woh 9th Mein fail hoga

    • @BOSS-GAMING-1123
      @BOSS-GAMING-1123 Месяц назад +2

      😅😅BOARDS KI KASAM JSNE SUBS❤CRIBE NAHI KIYA VOH PAKA EXAMS MEIN FAIL😅😅

    • @parividhi1124
      @parividhi1124 Месяц назад +2

      uss chapter me toh ratta h sirf

    • @Mr_Officialfacts8090
      @Mr_Officialfacts8090 Месяц назад

      ❤❤❤❤❤

  • @harshitakasana7927
    @harshitakasana7927 Месяц назад +66

    0:01 Intro
    0:58 Topics to be covered
    1:35 Work
    12:41 Question 1
    15:00 when work is not done
    17:24 some questions
    22:43 Unit of Work done
    23:47 Numerical
    24:36 Energy
    28:35 Kinetic energy
    29:26 Derivation ( kinetic energy)
    33:50 Work Energy theorem
    34:25 Questions
    41:47 Potential energy
    43:23 / 44:11 Derivation ( Potential energy)
    44:24 Potential energy of an object at a height
    45:25 Potential energy examples
    48:16 Questions
    58:04 law of conservation of energy
    58:51 derivation
    1:04:26 some other examples of conservation of energy
    1:07:53 Questions
    1:12:37 Power
    1:16:00 Questions
    1:19:39 Commercial unit of energy
    1:22:12 Question
    1:24:12 Top 5 questions
    1:31:19 Outro
    Thank you❤❤❤❤❤❤❤

  • @reyanshsungroya6645
    @reyanshsungroya6645 Месяц назад +63

    1:32:05 structure of the atom 1:32:06

  • @ShivrajP_213
    @ShivrajP_213 Месяц назад +68

    Thankyou BHAIYA 😊
    Bhaiya next chapter plz IMPROVEMENT IN FOOD RESOURCES

  • @apurbadas4322
    @apurbadas4322 3 дня назад +3

    47:16 same bhaiya same

  • @anilnahar3751
    @anilnahar3751 Месяц назад +89

    1. Improvement in Food Resources
    2. Structure of the Atom
    3. Sound

  • @prajapatibinodshortvideo9199
    @prajapatibinodshortvideo9199 25 дней назад +92

    Bhaiya we need these chapter
    1. Sound.
    2. Improvement in food resource .
    3. Structure of Atom..
    bhaiya 10 nov. se phle read krwa dijiye bczz. hamlogo ka school open ho jayega after 10 nov..therefore I will humbly request you...❤

  • @Its.urlily
    @Its.urlily Месяц назад +114

    Structure of atom next 41:16

    • @MahadevShrikrishna-m5x
      @MahadevShrikrishna-m5x Месяц назад +1

      ❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤

  • @diwakarsahani3304
    @diwakarsahani3304 5 дней назад +5

    10:31 I LAUGHED SO HARD

  • @lipideygupta9233
    @lipideygupta9233 17 дней назад +15

    Bhaiya aap class 9 and 10 science ka concept acche se samjhate ho.
    Thankyou !!!
    Koi murkh baccha hi bolta hai like nahi karne se fail ho jayoge but sir hamme aap par aur khud par pura biswas hai😊

  • @sheakharsheoran3608
    @sheakharsheoran3608 Месяц назад +64

    1:32:05 Improvement in Food resources

  • @Dr.ShashivendraSinghAdvocate
    @Dr.ShashivendraSinghAdvocate Месяц назад +15

    1:31:07 c. It increases

    • @RamjiMishra-f2w
      @RamjiMishra-f2w 12 дней назад +2

      Why

    • @Dr.ShashivendraSinghAdvocate
      @Dr.ShashivendraSinghAdvocate 11 дней назад +3

      Because the potential energy is at height when stone starts falling the potential energy converts in to kinetic energy hence it increases​@@RamjiMishra-f2w

  • @AnshuBisht953
    @AnshuBisht953 Месяц назад +2759

    Kon kon bed par padh raha hai😂😅

  • @Feiona-q4f
    @Feiona-q4f Месяц назад +166

    Bhaiya next Improvement in food resources padhana please 22 October ko exam hai

  • @phoenix-v4l
    @phoenix-v4l Месяц назад +22

    38:10 , sir the answer is 1600Joules , is the kinetic energy of the bullet.

    • @JohanL-o6z
      @JohanL-o6z 10 часов назад

      i think its 800
      1/2*1600

    • @nextgamingseries9450
      @nextgamingseries9450 9 часов назад +1

      Mai b isi ka ans dundh raha hun kuch 1600 boll rahai hai kuch 800 mara toh 800 h 🤥​@@JohanL-o6z

    • @JohanL-o6z
      @JohanL-o6z 8 часов назад +1

      @@nextgamingseries9450 bhai 1600 hi hai mai galat solve kar raha tha chat gpt se apna answer check kar lo

    • @phoenix-v4l
      @phoenix-v4l Час назад +1

      @@JohanL-o6z it's 1600j, my friend

  • @duostyle439
    @duostyle439 4 часа назад +1

    52:13
    Potential energy OP!!!

  • @adityasinghbhadouriya2675
    @adityasinghbhadouriya2675 Месяц назад +81

    Baaz ki nazar , 🧿
    Bajirao ki talvar ,
    Or
    Prashant bhaiya ki science pe kabhi sandeh ni karte 🙈🙊🤭😊😍😎🔥🔥🔥🔥🔥💯

    • @santoshimishra-k8g
      @santoshimishra-k8g Месяц назад +2

      Galat hae at 12:40
      Here work done is positive because force and displacement are parallel.

    • @adityasinghbhadouriya2675
      @adityasinghbhadouriya2675 Месяц назад +3

      @@santoshimishra-k8g galti kisi se bhi ho sakti h.
      Tumse bhi .....

    • @santoshimishra-k8g
      @santoshimishra-k8g Месяц назад +2

      @@adityasinghbhadouriya2675 Haan bhai

    • @priyaranjan6027
      @priyaranjan6027 Месяц назад +1

      @@adityasinghbhadouriya2675to Sandesh to karna padega naa, agar galat yoga to

  • @Aadeenaaaaa
    @Aadeenaaaaa 15 дней назад +77

    Bhaiyaaa please improvement in food resources padha do exam mai aaraha haii 😭😭😭😭

  • @HeavensOfficial
    @HeavensOfficial 17 дней назад +8

    Bhaiya plzz these 3 chapters:
    1) Structure of atom
    2) Improvement in food and resources
    3) Sound
    Vote kroo

  • @Artkidunia55
    @Artkidunia55 5 часов назад +1

    32:46 sir please sound chapter

  • @BhawansinghSingh-ij8vd
    @BhawansinghSingh-ij8vd 14 дней назад +12

    I need in chapter in simplest that
    1 structure of atom
    2Force and laws of motion
    3 Gravitation
    4Work and Energy

  • @ananyagupta2400
    @ananyagupta2400 Месяц назад +27

    Bhaiya next chapter is Structure of the Atom please bhaiya 🙏🙏🥺🥺

  • @vikassharma2827
    @vikassharma2827 11 дней назад +39

    Everyone is asking for next chapter while no one is thanking him for this class😢😢😢😢
    Thanks bhaiya for helping us 🎉🎉🎉🎉

  • @AnirudhaBanerjee12
    @AnirudhaBanerjee12 4 дня назад +3

    1:12:30 Answer is - 11.25 ( if g is taken 10 m/s²).

  • @afk870
    @afk870 Месяц назад +11

    00:05 Introduction to Work and Energy chapter
    00:45 Understanding Energy and Energy Conservation
    02:04 Understanding work in physics
    02:50 Work is done when force causes displacement
    04:11 Understanding the concept of work done in terms of force and displacement
    05:01 Understanding the concept of force and displacement
    06:23 Force and displacement are related
    07:01 Understanding the direction of force and displacement
    08:29 Understanding displacement and forces in physics
    09:11 Understanding displacement and work formula
    11:03 Understanding Different Types of Work in Physics
    11:47 Understanding work and movement in different situations
    13:07 Understanding work and energy in different activities
    13:49 Understanding Work done with Gravitational Force
    15:17 Understanding when force becomes zero
    16:03 Understanding force and work with zero acceleration
    17:30 Understanding the effect of gravity on horizontal motion
    18:13 Understanding and distinguishing between centripetal and centrifugal forces
    19:34 Understanding work and energy in physics
    20:12 Understanding horizontal motion at 90 degrees
    21:47 Understanding the concept of gravitational force and work done
    22:59 Work is the product of force and displacement
    24:24 Concept of work done and energy explained
    25:08 Realize the importance of parents and focus on making them proud.
    26:44 Work and energy are both scalar quantities
    27:28 Kinetic energy is the energy possessed by a moving object
    28:46 Understanding Kinetic Energy Formula and its Components
    29:30 Work and Energy concepts explained with examples
    31:02 Understanding the concept of kinetic energy
    31:46 Work energy is equal to force multiplied by distance with applied formula and answer derived
    33:22 Understanding work and energy concept
    34:03 Understanding kinetic energy and work done
    35:37 Understanding the increase in kinetic energy based on mass and velocity changes
    36:21 Calculating percentage change in kinetic energy
    38:00 Encouraging self-study and problem-solving
    38:54 Understanding Work Done and Final Velocity
    40:31 Calculating kinetic energy of two balls with given mass and velocity
    41:14 Understanding kinetic energy
    42:39 Potential energy is stored energy due to height differences.
    43:17 Potential energy is related to an object's position.
    44:45 Potential energy is path independent
    45:21 Understanding potential energy and its conversion to kinetic energy
    46:34 Attempted question number one early in the exam
    47:16 Potential energy is stored in springs and rubber when stretched.
    48:35 Calculating work done and displacement using force and distance
    49:38 Understanding Work done formula and positive/negative signs in Work
    50:59 Understanding potential energy and work done
    52:02 Describing calculation of potential energy with an example
    53:30 Understanding Potential Energy Calculation
    54:15 Understanding potential energy and its relation to height
    55:46 Solving calculations quickly is important.
    56:32 Understanding the work done by gravity during vertical displacement
    57:57 Law of Conservation of Energy
    58:47 Derivation of Law of Conservation of Energy
    1:00:30 Calculating Potential and Kinetic Energy
    1:01:15 Understanding the formula v² = u² + 2as in motion equations
    1:02:54 Calculating Kinetic Energy using the formula
    1:03:44 Concept of Kinetic and Potential Energy Conservation
    1:05:14 Conversion of energy from electrical to sound and mechanical energy.
    1:05:51 Conversion of chemical energy to thermal and light energy
    1:07:08 Convert electrical energy to kinetic energy through a thermal power plant
    1:07:48 Understanding the conversion of potential energy to kinetic energy
    1:09:12 Relation between potential energy and kinetic energy
    1:09:59 Understanding kinetic and potential energy
    1:11:29 Calculation of total energy and distribution between kinetic and potential energy
    1:12:18 Understanding the concept of power
    1:13:51 Understanding Power Units
    1:14:34 Understanding average power calculation
    1:16:06 Calculating work done by a crane lifting 500 kg load to a height of 10 meters in 20 seconds
    1:17:00 Understanding the concept of power in a simple manner.
    1:18:32 Calculation of work done and time taken
    1:19:26 Understanding power and energy in simple terms
    1:20:48 Understanding commercial units of electricity usage
    1:21:30 Converting energy units to joules and kilowatt-hour
    1:23:06 Conversion of energy units in power calculations
    1:23:50 Calculating total electricity cost using unit price multiplication
    1:25:15 Understanding work done by gravitational force
    1:25:53 Understanding the concept of work and energy through calculation.
    1:27:52 Calculating kinetic energy using the formula 1/2 mv^2
    1:28:43 Introduction to Momentum and Kinetic Energy
    1:30:21 Understanding square roots and power concepts
    1:31:13 Work is required to generate power and achieve goals in life.

  • @JUST_SMILE_FOR_MEE
    @JUST_SMILE_FOR_MEE Месяц назад +87

    Improvement in Food Resources Wale Like Karo ❤❤

    • @MohammedZuhaib-kd7id
      @MohammedZuhaib-kd7id Месяц назад

      Easy chapter why video

    • @JUST_SMILE_FOR_MEE
      @JUST_SMILE_FOR_MEE Месяц назад

      @@MohammedZuhaib-kd7id Bhai tu mere ghar pe aaja aur samjhaade

    • @SahilKhan-td9hf
      @SahilKhan-td9hf Месяц назад +1

      Bhai easy chapter nahi hai improvement in food resources

    • @Js_virals
      @Js_virals Месяц назад

      Yes make a video of improvement in food resources

  • @AadiSaini0769
    @AadiSaini0769 Месяц назад +14

    1.)Improvement in food resources.
    2.) structure of atom.

  • @Kkrreact
    @Kkrreact День назад +1

    Bhaiya
    1 structure of the atom
    2 sound
    3Improvement in food resources

  • @Nrz-naman2728
    @Nrz-naman2728 Месяц назад +82

    Bhaiya ek baar Improvement in food resources padha do please please bhaiya please

    • @punampathak7165
      @punampathak7165 Месяц назад +2

      Yes sir improvement in food resources class 9 ka biology padha dijiye please please please

    • @ANUJ-SHARMA-69
      @ANUJ-SHARMA-69 Месяц назад +1

      hn bhai schi me

  • @koshalyadevi7005
    @koshalyadevi7005 Месяц назад +123

    Class 9 rapid revision series please. Exam are near 😮😮😮😮😮😮😮😮😮😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊

  • @AnshJain-ht3ys
    @AnshJain-ht3ys 11 дней назад +41

    Bhaiya please 🥺 chapter Improvement in food resources chapter ki video upload kar di jiye Pt 2 is in coming soon 🥺🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🥹🥹🥹
    Vote here who need this
    👇🏻👇🏻

  • @VeeruVerma-x3b
    @VeeruVerma-x3b День назад +2

    Comedy +study =prashant bhaiya 😂😊❤😊😅😊😅😂

  • @Vajaychauhan870
    @Vajaychauhan870 Месяц назад +38

    Next chapter Structure of atom ⏰⏰

  • @mehakdeepkaur5285
    @mehakdeepkaur5285 Месяц назад +66

    Improvement in food resources

    • @SahilKhan-td9hf
      @SahilKhan-td9hf Месяц назад

      Sir please improvement in food resources

  • @gargyraji
    @gargyraji 23 дня назад +108

    Jo jo log 'like na kre tho fail ho jayega' bola unko exam mein pakka 10% ayega boards mein pakka pakka pakka

    • @lipideygupta9233
      @lipideygupta9233 17 дней назад +3

      Bhai tu khud hoga fail hum sab ko mat shikha hamme Prashant bhaiya aur khud par pura biswas hai bolne se phehele 100 bar shos lena 😡😡

    • @gargyraji
      @gargyraji 16 дней назад

      ​@@lipideygupta9233mein ne kab thuje sikhane aya be sale thum jaise log like mangne ke liye aisa aisa.
      Cheap techniques use karthe uske kilaph hi bola mein ne usme thum aisa gussa kyu hore ho bhai
      Kya thum bhi vo cheap techniques use karne valo se ho kya

    • @gargyraji
      @gargyraji 16 дней назад

      ​​​@@lipideygupta9233abe mein kuch bhi bolu thuje usse kya aur pransanth bhaiya nahi hai jo thuje marks dilatha hai thuje khud kasht karna hota hai pagle
      Aur its not shos its soch😂😂
      And its not biswas its vishwas😂😂😂😂😂😂😂😂😂😂😂😂😂

    • @gargyraji
      @gargyraji 16 дней назад

      ​@@lipideygupta9233mein kuch bhi bolunga tuje usse kya aur prasanth bhaiya nahi hai jo thuje marks dilatha hai vo sirf ache se padatha hai.
      And its not shos its soch
      Its not biswas its vishwas😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂

    • @SatyamRaj-f8i
      @SatyamRaj-f8i 7 дней назад

      Are 😂 murkh 10 pass h 😂😂 or top vii kiye samjhe 98/aaya

  • @DivyaDubey-b1i
    @DivyaDubey-b1i 5 часов назад +2

    Bhaiya pls structure of atom

  • @PrinceDara-g6x
    @PrinceDara-g6x 26 дней назад +14

    52:09 potential energy op😎😎😎

  • @abhay___yadav___011
    @abhay___yadav___011 Месяц назад +95

    1. Prashant bhaiya 🙏🙏
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    • @meghabharti6522
      @meghabharti6522 Месяц назад +1

      Padhta nhi hai 😂 kya bas ye he typing krta hai😂😂 pagal😂😂😂😂

    • @SimanshiSharma
      @SimanshiSharma Месяц назад +8

      100 baar likh diya
      101 baar hi likh dete aap 😅😊😊😊

    • @KashifShaikh-y2r
      @KashifShaikh-y2r Месяц назад +3

      100 /100 like hone chahiye 😂😂

    • @Batra_Sartaz8500
      @Batra_Sartaz8500 Месяц назад +2

      Ye Likhne Mein Kitne Watt Ki Power Lagi

    • @Batra_Sartaz8500
      @Batra_Sartaz8500 Месяц назад +1

      @Testbyme-fe7dd Bete Akal Se Batt Kar

  • @arpanmittal6051
    @arpanmittal6051 27 дней назад +46

    SIR PLS TRY THIS
    Dark circles under the eyes can be treated with home remedies, lifestyle changes, and medical treatments:
    Home remedies
    Apply something cold to the under-eye area, such as a cold spoon, frozen peas, or a bag of tea bags. You can also try massaging your eyes with pure cow ghee or applying a combination of cucumber juice and rose water.
    Lifestyle changes
    Get enough sleep, elevate your head with pillows, and reduce stress. You can also try eating a well-balanced diet, avoiding too much alcohol, and stopping smoking.
    Medical treatments
    A healthcare provider can recommend treatment options, such as fillers or laser treatments. Most treatments are safe, but some may cause minor side effects like redness or swelling.
    Other things you can try include:
    Using products made to treat dark circles
    Using sunscreen with an SPF of at least 30
    Taking antihistamines if allergies are the cause
    Minimizing sun exposure
    Using makeup concealer to cover the dark circles
    Drinking more water to stay hydrated

    • @RijulKumar-lf2tj
      @RijulKumar-lf2tj 27 дней назад +2

      maybe bhiya dont drink or some to muchh or dont do

  • @kusumshrivastava5918
    @kusumshrivastava5918 2 дня назад +2

    Bhaiya u r the best Teacher in the world 🌍😊

  • @riyaverma6994
    @riyaverma6994 Месяц назад +30

    संघर्ष जितना ही कठिन होता है
    जीत उतनी ही शानदार होती है 😢❤😢❤🎉

  • @FaCtZ...100-l7w
    @FaCtZ...100-l7w Месяц назад +29

    Bhaiya please Improvement In Food Resources ka chapter bhi karva dena please

  • @SmilingBonsaiTree-pw4dq
    @SmilingBonsaiTree-pw4dq Месяц назад +21

    0:00 Introduction
    1:23 Topics to be covered
    1:36 Work
    12:44 Some questions...
    22:42 Units of work done
    25:39 Energy
    27:23 Different types of energy

  • @poojarathore5203
    @poojarathore5203 День назад +1

    34:18 prashant bhaiya ❌shobhit bhaiya ✅

  • @CLASH_YT_GAMING
    @CLASH_YT_GAMING Месяц назад +13

    Vote for structure of atom
    👇👇
    It is more important please
    👇

  • @gurumotors8610
    @gurumotors8610 16 дней назад +5

    1. Structure of atom
    2. Improvement in food resources
    Please 🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏bhaiya wala chapter padha do bahut doubt hai🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏

  • @muskanarts1236
    @muskanarts1236 Месяц назад +33

    Vote for improvement in food resources

  • @Animedarkboy
    @Animedarkboy 5 часов назад +1

    Baaj ki nazar , chette ki chal , Prashant bhaiya ki lecture par kabhi sandeha nahi karna❤

  • @ShayamsSanctuary
    @ShayamsSanctuary Месяц назад +30

    1:19 aaj pta chala ki double tap se comment like hota hai 😅

  • @shreyanshkumar4026
    @shreyanshkumar4026 Месяц назад +68

    hello sir,
    my half yearly result is announced and I got 98%.
    Last time in tests I got only 60%,59%. I improve my self and study 13 hour per day . 😢❤😊😊thank you sir once again thank you

  • @ShayamsSanctuary
    @ShayamsSanctuary Месяц назад +45

    1:06 Half yearly exam ki kasam like kardo ( do not take risk ☠️💢)

    • @ambikashree9189
      @ambikashree9189 Месяц назад +3

      Ya do not take risk isliye padh le nhi tho fail ho jayega

    • @Anubhav8125
      @Anubhav8125 Месяц назад +1

      ​@@ambikashree9189Slay Girl 🔥💯

    • @khushijoshi4087
      @khushijoshi4087 4 дня назад

      🤪🤪🤪🤪😇😇😇

  • @VaibhaviGarbyal
    @VaibhaviGarbyal 4 дня назад +1

    1:31:08 is it ' it increases' ?

  • @Anshkr43
    @Anshkr43 Месяц назад +70

    School teachers explanation=🤡
    Prashant bhaiya explanation=💀
    Agree toh like kro na ❤

    • @Burden_hydro
      @Burden_hydro Месяц назад +3

      Waise bhai khush ho gaye hoge ki like aa gya 😂😂

    • @Anshkr43
      @Anshkr43 Месяц назад +2

      ​​@@Burden_hydro 🤨:) ha bhai smile aa gyi chehre pe jab aapka like dekha

    • @vishupartapsingtanwar5811
      @vishupartapsingtanwar5811 11 дней назад

      Chal be jhute

  • @AnamikaTiwari-q1e
    @AnamikaTiwari-q1e Месяц назад +18

    Vote for Structure of Atom😅😅🥰🥰

  • @Anshikashubh34
    @Anshikashubh34 Месяц назад +38

    Bhaiya pls improvement in food resources chapter b krva do🙏

  • @AshokKumar-zf6tc
    @AshokKumar-zf6tc 6 часов назад +1

    Bhaiya Improvement in food resources

  • @naitik1710
    @naitik1710 Месяц назад +15

    1:10:26 bhaiya aapse padha tha aur class mai average student se topper ho gya 78/80 in science

  • @15_6bavanigarg9
    @15_6bavanigarg9 14 дней назад +4

    Bhaiya we need these chapters :
    1. Improvement in food resources
    2. Structure of an atom
    3. Sound

  • @kishangamingxp
    @kishangamingxp Месяц назад +12

    Interesting facts about comments
    Double click for like👍
    Triple click for reply

  • @Dingdong_2025
    @Dingdong_2025 6 дней назад +3

    Thanks a lot bhayiya I am enjoying solving all the equations with you...... It's so easy, work and energy as you are teaching us!!!!!!!!!!!!!!!!!!!! 56:32

  • @GauriPansambal
    @GauriPansambal Месяц назад +14

    Sir please next chapter structure of the atoms pdha do

  • @sunitashukla5416
    @sunitashukla5416 Месяц назад +24

    Please Bhaiya next chapter ( structure of the atom .)
    Vote here
    👇👇👇

  • @abhisektiwari532
    @abhisektiwari532 12 дней назад +9

    Prashant Bhaiya we need this chapters
    Structure of atom
    Improvement in food resources

  • @slowdancinginmymind
    @slowdancinginmymind 5 дней назад +1

    Bhaiya we need these chapters (SEBA board ke syllabus m hain) :
    1. Why Do We Fall Ill?
    2. Natural Resources
    3. Diversity in Living Organisms
    4. Sound
    5. Improvement in Food Resources

    • @slowdancinginmymind
      @slowdancinginmymind 5 дней назад

      pleaasssssssssssssssssssseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee

  • @MHPT_RAJa
    @MHPT_RAJa Месяц назад +12

    Sound,, sound,, please make a oneshot please bhaiyaa ❤

  • @SachinGoyal-v9b
    @SachinGoyal-v9b 20 дней назад +17

    Structure of atoms 1:31:58

  • @gamer123-sn1yn
    @gamer123-sn1yn Месяц назад +12

    people who want 99% in exam like my comment
    u will get 100% god promise

  • @ShubhraSingh07
    @ShubhraSingh07 3 дня назад +1

    1:31:20 kinetic energy increases

  • @YagyaseniAarohi
    @YagyaseniAarohi Месяц назад +27

    Bhaiya please improvement in food resources wala chapter padha dijhe.... Bhot important h boht jyda .... Guyzz plz vote kro

  • @Aarvishorts3011
    @Aarvishorts3011 Месяц назад +10

    Structure and atom next

  • @LaxmiPatel_PL
    @LaxmiPatel_PL Месяц назад +9

    Sir next structure of the atom please 😊

  • @Mrbe305
    @Mrbe305 3 дня назад +2

    53:38 is best

  • @Kanhaiyagupta77
    @Kanhaiyagupta77 Месяц назад +8

    Bhaiya please next chapter Improvement in Food Resources