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AP® Physics C: Mechanics

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Hanging a mass on a vertical spring

APPHMC-YEZNKN

A $0.200 kg$ mass is hung on a vertical spring which has spring constant $k = 5.6 N/m$, balanced such that the mass is motionless .

How much does the spring stretch relative to its original length as a result of the mass hanging on it?

Take the mass of the spring to be negligible.

A

$0.04 m$

B

$0.11 m$

C

$0.35 m$

D

$0.70 m$

E

$0.84 m$