Multiple Choice
A horizontal spring having constant k = 50.0 N/m is attached to a block having mass 0.50 kg.The mass is oscillating freely on a frictionless table with amplitude 15.0 cm.As the mass travels from equilibrium to half the position of maximum stretch,how much work is done by the spring on the mass?
A) +0.14 J
B) -0.14 J
C) +0.28 J
D) -0.28 J
Correct Answer:

Verified
Correct Answer:
Verified
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