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Nick Borowicz. Created for Albert.io. Copyright 2017. All rights reserved.

A ball of mass $m$ moving with a velocity of magnitude $v_0$ at an angle $\theta$ to the $x$-axis strikes a wall and bounces with the same momentum and angle $\theta$, as shown in the figure above.

What is the magnitude of the change in momentum of the ball?

A

$\text{Zero}$.

B

$ 2mv_0 \hat i $

C

$ 2mv_0 \sin\theta \hat i $

D

$ 2mv_0 \cos\theta\hat i $

E

$ 2mv_0 \cos\theta\hat j $

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