Chapter 09, Problem 022 Your answer is partially correct. Try again. The figure

Question

Chapter 09, Problem 022 Your answer is partially correct. Try again. The figure gives an overhead view of the path taken by a 0.166 kg cue ball as it bounces from a rail of a pool table. The ball's initial speed is 1.23 m/s, and the angle 81 is 57.7. The bounce reverses the y component of the ball's velocity but does not alter the x component. What are (a) angle 2 and (b) the magnitude of the change in the ball's linear momentum? (The fact that the ball rolls is irrelevant to the problem.) e, 8 (a) N o (degrees) 57.5 (b) Num 096 kg-m/s or N-s

Explanation / Answer

a) theta2 = theta1

= 57.7 degrees

b) the magnitude of change in te ball's momentum = m*(viy - vfy)

= 0.166*(1.23*cos(57.7) - (-1.23*cos(57.7))

= 0.218 kg.m/s or N.s

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