Scalars and Vectors
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- Опубликовано: 30 июл 2017
- This scalars and vectors physics video tutorial explains how to distinguish a scalar quantity from a vector quantity. It gives plenty of examples of scalar quantities and vector quantities. Mass, temperature, volume, distance, and speed are all scalar quantities while velocity, displacement, force, and acceleration are all vector quantities. A scalar quantity has magnitude only while a vector quantity can be described in terms of magnitude and direction.
Physics - Basic Introduction:
• Physics - Basic Introd...
Physics With Calculus:
• Physics With Calculus ...
Scientific Notation:
• Scientific Notation - ...
Significant Figures:
• Significant Figures - ...
How To Convert Units:
• Converting Units With ...
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Temperature Conversions:
• Temperature Conversion...
Scalars and Vectors:
• Scalars and Vectors
Distance and Displacement:
• Distance, Displacement...
Acceleration and Velocity:
• Physics - Acceleration...
Is The Car Speeding Up or Slowing Down?
• Is The Car Speeding Up...
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In Pythagoras theory can we also use this formula
H2=p2+b2
(2 is specified as squares)
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See I look at the difference this way: All scalar quantities need only one poin to exist. That point is valued according to zero. Vectors must have two points and they don't have to respect zero.
For example: acceleration needs an initial point and a point to which you want to compare. How much did the the vehicle accelerate from 30mph to 40mph. Vectors use scalars to work.
On the other hand: speed needs one point and compares relative to zero. The man walked 10mph. 10mph is 10mph from zero. You could say the man ran 5mph faster than he walks, but you are still starting from as your initial speed you are adding to is referenced from zero.
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Thank you, I would like to see the derivations of the formula tho. But, anyways thank you.
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