Change in Momentum During Reflection
A 0.2 kg ball moving with a speed of 15 m/s strikes a wall at an angle of 30° to the normal. If the ball rebounds with the same speed and at the same angle to the normal, what is the magnitude of the change in the ball’s momentum?
A
5.2 kg·m/s
B
4.5 kg·m/s
C
6 kg·m/s
D
0 kg·m/s
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