1) If the ball is dropped form rest at a height h = 5.2 ft, what is its speed right before it strikes the plane at A? Your answer must include 2 places after the decimal point. Take g = 32.2 ft/s². T h B

Classical Dynamics of Particles and Systems
5th Edition
ISBN:9780534408961
Author:Stephen T. Thornton, Jerry B. Marion
Publisher:Stephen T. Thornton, Jerry B. Marion
Chapter9: Dynamics Of A System Of Particles
Section: Chapter Questions
Problem 9.17P
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2. For this series of 4 questions, a 1-lb ball is dropped from rest and falls a distance
before striking the smooth plane at A. It bounces from the plane, and then strikes the
plane again. You will be asked to solve for different things. Please pay attention: the
numbers may change from problem to problem since they are randomized.
1) If the ball is dropped form rest at a height h = 5.2 ft, what is its speed right before
it strikes the plane at A? Your answer must include 2 places after the decimal point.
Take g = 32.2 ft/s².
h
A
Your Answer:
Answer
B
units
Transcribed Image Text:2. For this series of 4 questions, a 1-lb ball is dropped from rest and falls a distance before striking the smooth plane at A. It bounces from the plane, and then strikes the plane again. You will be asked to solve for different things. Please pay attention: the numbers may change from problem to problem since they are randomized. 1) If the ball is dropped form rest at a height h = 5.2 ft, what is its speed right before it strikes the plane at A? Your answer must include 2 places after the decimal point. Take g = 32.2 ft/s². h A Your Answer: Answer B units
2) If the ball is dropped form rest at a height h = 7.0 ft, and the coefficient of
restitution between the ball and the plane is e = 0.1, what is its speed right after it
strikes the plane at A? (Hint: when striking the wall/ground, the line of impact is
always normal to the surface, and the wall/ground always has a speed of zero.) Your
answer must include 2 places after the decimal point. Take g = 32.2 ft/s².
Transcribed Image Text:2) If the ball is dropped form rest at a height h = 7.0 ft, and the coefficient of restitution between the ball and the plane is e = 0.1, what is its speed right after it strikes the plane at A? (Hint: when striking the wall/ground, the line of impact is always normal to the surface, and the wall/ground always has a speed of zero.) Your answer must include 2 places after the decimal point. Take g = 32.2 ft/s².
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