A Very Elastic Rubber Ball Is Dropped from a Certain

question 53

Multiple Choice

A very elastic rubber ball is dropped from a certain height and hits the floor with a downward speed v.Since it is so elastic,the ball bounces back with the same speed v going upward.Which of the following statements about the bounce are correct? (There could be more than one correct choice. )

• A)The ball had the same momentum just before and just after the bounce.
• B)The magnitude of the ball's momentum was the same just before and just after the bounce.
• C)The ball's momentum was conserved during the bounce.
• D)None of the above statements are correct.

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