Mastering Physics Solutions: Question 6.12

Mastering Physics Solutions: Question 6.12

On January 5, 2012, in Chapter 06: Linear Momentum and Collisions, by Mastering Physics Solutions

A Multiple Choice Question 6.12

Part A = +2mv

Solution Below:

Part A

A rubber ball of mass m traveling horizontally with a speed v hits a wall and bounces back with the same speed. The change in momentum is

A. -mv/2
B. -mv
C. mv
D +2mv

If the ball stopped, the change in momentum would be mv. Since it bounces back with the same speed, the change in momentum is 2mv and choice D is correct:

D +2mv

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