3) 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 = 0.4, how much time does it take from right after it strikes the plane at A to when it strikes back the plane at B? (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 3 places after the decimal point. Take g = 32.2 ft/s². h B

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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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.
3) 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 = 0.4, how much time does it take
from right after it strikes the plane at A to when it strikes back the plane at B? (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 3 places after
the decimal point. Take g = 32.2 ft/s².
h
B
3
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. 3) 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 = 0.4, how much time does it take from right after it strikes the plane at A to when it strikes back the plane at B? (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 3 places after the decimal point. Take g = 32.2 ft/s². h B 3
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