Situation: A .71-kg billiard ball moving at 2.5m / s in the x-direction strikes a stationary ball of the same mass. After the collision, the first ball moves at 2.17m / s , at an angle of 30.0with respect to the original line of motion. Assuming an elastic collision (and ignoring friction and rotational motion)answer the following questions to find the struck ball's momentum after the collision. a) Calculate the x-component of the first ball's final momentum after the collision in kg* m/s . b) Calculate the y-component of the first ball's final momentum after the collision in kg m/s. c) Using the conservation of momentum in the x-direction, find the struck ball's x-component of momentum.
Situation: A .71-kg billiard ball moving at 2.5m / s in the x-direction strikes a stationary ball of the same mass. After the collision, the first ball moves at 2.17m / s , at an angle of 30.0with respect to the original line of motion. Assuming an elastic collision (and ignoring friction and rotational motion)answer the following questions to find the struck ball's momentum after the collision. a) Calculate the x-component of the first ball's final momentum after the collision in kg* m/s . b) Calculate the y-component of the first ball's final momentum after the collision in kg m/s. c) Using the conservation of momentum in the x-direction, find the struck ball's x-component of momentum.
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter9: Momentum And Its Conservation
Section: Chapter Questions
Problem 70A
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Situation: A .71-kg billiard ball moving at 2.5m / s in the x-direction strikes a stationary ball of the same mass. After the collision, the first ball moves at 2.17m / s , at an angle of 30.0with respect to the original line of motion. Assuming an elastic collision (and ignoring friction and rotational motion)answer the following questions to find the struck ball's momentum after the collision.
a) Calculate the x-component of the first ball's final momentum after the collision in kg* m/s .
b) Calculate the y-component of the first ball's final momentum after the collision in kg m/s.
c) Using the conservation of momentum in the x-direction, find the struck ball's x-component of momentum.
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