gives an overhead view of the path taken by a 0.165 kg cue ball as it bounces from a rail of a pool table. The ball’s initial speed is 2.00 m/s, and the angle u1 is 30.0.The bounce reverses the y component of the ball’s velocity but does not alter the x component.What are (a) angle u2 and (b) the change in the ball’s linear momentum in unit-vector notation? (The fact that the ball rolls is irrelevant to the problem.)

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