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A light spring is hung vertically from a...

A light spring is hung vertically from a fixed support and a heavy mass is attached to its. lower end. The mass is then slowly lowered to its equilibrium position: This stretches the spring by an amount d. If the same body is permitted to fall instead, through what distance does it stretch the string?

A

d

B

1.5 d

C

2 d

D

3 d

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The correct Answer is:
C
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