A cue ball and an eight ball are at rest on a pool table. You then hit the cue ball so that it is moving horizontally (as seen from above). It hits the eight ball, and the two balls leave the collision as shown. Only the forces between the balls are significant during the collision. If the initial time is just before the collision between the two balls, and the final time is just after, answer the following questions. a. If your system is the cue ball, is the momentum of the system constant? Explain your answer. b. If your system is the eight-ball, is the momentum of the system constant? Explain your answer. c. If your system is both the cue ball and the eight-ball, is the momentum of the system constant? Explain your answer.
A cue ball and an eight ball are at rest on a pool table. You then hit the cue ball so that it is moving horizontally (as seen from above). It hits the eight ball, and the two balls leave the collision as shown. Only the forces between the balls are significant during the collision. If the initial time is just before the collision between the two balls, and the final time is just after, answer the following questions. a. If your system is the cue ball, is the momentum of the system constant? Explain your answer. b. If your system is the eight-ball, is the momentum of the system constant? Explain your answer. c. If your system is both the cue ball and the eight-ball, is the momentum of the system constant? Explain your answer.
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Transcribed Image Text:5. A cue ball and an eight ball are at rest on a pool table. You then hit the cue ball so that it is moving
horizontally (as seen from above). It hits the eight ball, and the two balls leave the collision as shown.
Only the forces between the balls are significant during the collision. If the initial time is just before the
collision between the two balls, and the final time is just after, answer the following questions.
a. If your system is the cue ball, is the momentum of the system constant? Explain your answer.
b. If your system is the eight-ball, is the momentum of the system constant? Explain your answer.
c. If your system is both the cue ball and the eight-ball, is the momentum of the system constant?
Explain your answer.
d. Is the magnitude of the impulse from the cue ball on the eight ball, greater than, less than, or equal
to the magnitude of the impulse from the eight-ball on the cue ball? Explain your answer. Note:
The cue ball has a larger mass than the eight ball.
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