Figure 9-48 gives an overhead view of the path taken by a 0.163kg cue ball as it bounces from a rail of a pool table. The ball'sinitial speed is 2.92 m/s, and the angleθ1 is 59.2°. The bounce reverses they component of the ball's velocity but does not alter thex component. What are (a) angleθ2 and (b) the magnitudeof the change in the ball's linear momentum? (The fact that theball rolls is irrelevant to the problem.)

Fig. 9-48
Problem 20.

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