A 012 Kg Block on a Horizontal Frictionless Surface Is Attached

A 0.12 kg block on a horizontal frictionless surface is attached to a spring whose force constant is 570 N/m.The block is pulled from its equilibrium position at x = 0 m to a displacement x = +0.080 m and is released from rest.The block then executes simple harmonic motion along the x-axis (horizontal) .The displacement of the block at time t = 0.20 s is closest to:

A) 0.01 m
B) -0.01 m
C) 0.08 m
D) -0.08 m
E) 0.1 m

Correct Answer:

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