Physics problem involving collisions

Nov 19th, 2015
Anonymous
Category:
Engineering
Price: $10 USD

Question description

In a pool game, the cue ball, which has an initial speed of 3.0 m/s, make an elastic collision with the eight ball, which is initially at rest. After the collision, the eight ball moves at an angle of 40° to the original direction of the cue ball.

(a) Find the direction of motion of the cue ball after the collision.
                50° (from the original line of motion)

(b) Find the speed of each ball. Assume that the balls have equal mass.
 _____________m/s (cue ball)
______________ m/s (eight ball)


Part A is correct, I just need help with part b.


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