Chantelle W.

asked • 12/17/15

Explain physics question and answer.

Ball A of mass 5 kilograms moving at 20 meters per second collides with ball B of unknown mass moving at 10 meters per second in the same direction.
 
A car traveling at 20 m/s has 1,000 J of Kinetic Energy. What would the car’s kinetic energy be if the speed was 10 m/s?
 
The answer is 250 J.
 
But why?? Explain… Show work...
 

1 Expert Answer

By:

Arturo O. answered • 12/17/15

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