In each figure below, a system consisting of two blocks that are tied together is attached to a spring. The systems are all at rest, and all of the springs are stretched by the same amount. The blocks on the horizontal surface are all identical, but the masses of the blocks on the inclined surfaces and the spring constants of the springs vary as shown in the figures. There may be friction between the blocks and the surfaces. A 4 kg k = 120 N/m kg k = 150 N/m 5 kg k = 120 N/m E www k = 180 N/m 4 kg k = 150 N/m 5kg k = 150 N/m 5 kg Rank these cases on the basis of the spring potential energy. Greatest .2 3 .5 Least

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
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Chapter8: Conservation Of Energy
Section: Chapter Questions
Problem 24PQ: A block is placed on top of a vertical spring, and the spring compresses. Figure P8.24 depicts a...
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In each figure below, a system consisting of two blocks that are tied together is attached to a spring. The
systems are all at rest, and all of the springs are stretched by the same amount. The blocks on the
horizontal surface are all identical, but the masses of the blocks on the inclined surfaces and the spring
constants of the springs vary as shown in the figures. There may be friction between the blocks and the
surfaces.
A
B
C
4 kg
k = 120 N/m
7kg
k = 150 N/m
5 kg
k = 120 N/m
D
E
F
k = 150 N/m
5 kg
k = 180 N/m
k = 150 N/m
4 kg
5 kg
Rank these cases on the basis of the spring potential energy.
_2.
Greatest
1
3
4
5
Least
OR, The spring potential energy is the same for all these systems, but it is not zero.
OR, The spring potential energy is zero for all these systems.
OR, We cannot determine the ranking for the spring potential energy.
Please explain your reasoning.
Transcribed Image Text:In each figure below, a system consisting of two blocks that are tied together is attached to a spring. The systems are all at rest, and all of the springs are stretched by the same amount. The blocks on the horizontal surface are all identical, but the masses of the blocks on the inclined surfaces and the spring constants of the springs vary as shown in the figures. There may be friction between the blocks and the surfaces. A B C 4 kg k = 120 N/m 7kg k = 150 N/m 5 kg k = 120 N/m D E F k = 150 N/m 5 kg k = 180 N/m k = 150 N/m 4 kg 5 kg Rank these cases on the basis of the spring potential energy. _2. Greatest 1 3 4 5 Least OR, The spring potential energy is the same for all these systems, but it is not zero. OR, The spring potential energy is zero for all these systems. OR, We cannot determine the ranking for the spring potential energy. Please explain your reasoning.
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