Two equal masses are connected by an ideal spring and supported in a vertical configuration by only one mass,with the other mass hanging freely.What is the behavior of the bottom mass immediately after the top mass is released?
A) It moves upwards relative to the ground.
B) It moved downwards relative to the ground.
C) It is stationary relative to the ground.
D) It rotates about the system center of mass.
E) There is not enough information to tell.
Correct Answer:
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