Bouncing fruit collision example | Impacts and linear momentum | Physics | Khan Academy

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  • Опубликовано: 5 сен 2024
  • In this video, David shows how to use conservation of momentum for a situation where two objects bounce off of each other.
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Комментарии • 18

  • @adilrhyder
    @adilrhyder 6 лет назад +35

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    God bless Khan Academy and God bless it's inhumanly awesome founding members.
    Sorry, I have an exam tomorrow

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      @zaneassen9926 5 лет назад +5

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  • @JayceTomlin
    @JayceTomlin 6 лет назад +32

    "big fat juicy apple"

  • @pankajjhaatihar
    @pankajjhaatihar 3 года назад +4

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  • @robertbetts6602
    @robertbetts6602 4 года назад +4

    you saved the friggin day pal!!!! I'm a musician who very stupidly got himself mixed up with physics when writing an essay about drums. Now I'm feeling like Newton wasn't chatting jibber-jabber the whole time. Shit just makes sense. Damn you save my bacon G!!! Absolute legend.

  • @ameldalaw
    @ameldalaw 5 лет назад +5

    You have no idea how helpful this is! A thousand times thank you!

  • @kingrealino2855
    @kingrealino2855 2 года назад +2

    uhm! whoth used an orange just because he/she wanted a "big fat juicy apple"? hahahaha but still THANK YOU Khan!!!

  • @LarryLovestein23
    @LarryLovestein23 3 года назад +1

    should the velocity were solving for be velocity final, not velocity initial though?

  • @jerboathesandwing2851
    @jerboathesandwing2851 3 года назад +1

    gravitys external impulse is negligible.......... he didnt adress wind , if someone did this in a tornado it would be different than if someone did this in a still greenhouse

  • @thetropicalvibes428
    @thetropicalvibes428 3 года назад +3

    no, u get a smashed orange and a smashed apple

  • @heywellyournotaloudtodotha3369
    @heywellyournotaloudtodotha3369 6 лет назад +4

    why would you do this

  • @Skazok
    @Skazok 2 года назад

    Sorry, but for me it looks wrong. I doesn't make sense... The momentum of the system can't be 0.4*5+0.7 = 2.7 , no, no, no. If the system is closed then you can't say what fruit is resting and what is moving, it is the same, right? If so, then we can calculate it as 0.7*5+0.4=3.9 Obviously 2.7 is not equal to 3.9. I think the correct way to calculate the momentum may be like this 0.4*5 + 0.7*5 = 5.5 Actually I am very rusty on the subject, that is why I am watching the video, but your way to calculate it doesn't make sense for me.

  • @mutahhirazam3748
    @mutahhirazam3748 6 лет назад

    The change in linear momentum of the orange must be equal to that of the apple. But in this case it isn't equal. So this is wrong.

    • @LarryLovestein23
      @LarryLovestein23 3 года назад +2

      its not wrong lol

    • @kubabiszczak
      @kubabiszczak 7 месяцев назад

      Thats what I was thinking how is the momentum of the apple Higher than that of the orange, howi is it possible that the orange hit the apple and made it gain momentum lol?