Question

In a pool game, the cue ball, which has an initial speed of 4.0 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 35° to the original direction of the cue ball.

(a) Find the direction of motion of the cue ball after the
collision.

° (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)

Answer #1

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In a pool game, a cue ball traveling at 0.75 m/s hits the
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A cue ball traveling at 4.0 m/s makes a glancing, elastic
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°
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_____°
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______°
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m/s
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