Physics for Scientists and Engineers
6th Edition
ISBN: 9781429281843
Author: Tipler
Publisher: MAC HIGHER
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Chapter 2, Problem 72P
(a)
To determine
The height of the elevator from the elevator shaft when the bolt came loose.
(b)
To determine
The speed of the bolt as it hits the bottom.
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If the block does reach point B, how far up the curved portion of the track does it reach, and if it does not, how far short of point B does the block come to a stop? (Enter your answer in m.)
Truck suspensions often have "helper springs" that engage at high loads. One such arrangement is a leaf spring with a helper coil spring mounted on the axle, as shown in the figure below. When the main leaf spring is compressed by distance yo, the helper spring engages and then helps to
support any additional load. Suppose the leaf spring constant is 5.05 × 105 N/m, the helper spring constant is 3.50 × 105 N/m, and y = 0.500 m.
Truck body
yo
Main leaf
spring
-"Helper"
spring
Axle
(a) What is the compression of the leaf spring for a load of 6.00 × 105 N?
Your response differs from the correct answer by more than 10%. Double check your calculations. m
(b) How much work is done in compressing the springs?
☑
Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. J
Chapter 2 Solutions
Physics for Scientists and Engineers
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