A ball is thrown against a wall; the ball bounces off and returns with speed equal to the speed it had before striking the wall. Which following statement is true about the before and after collision between the ball and the wall The change in momentum of the ball is zero. B) The velocity of the ball is the same. C) The mass of the ball is different. D) The speed of the ball increases. E) Don’t be silly, all of these are false!

Question

A ball is thrown against a wall; the ball bounces off and returns with speed equal to the speed it had before striking the wall. Which following statement is true about the before and after collision between the ball and the wall

The change in momentum of the ball is zero.
B) The velocity of the ball is the same.
C) The mass of the ball is different.
D) The speed of the ball increases.
E) Don’t be silly, all of these are false!

 

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