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A 0.73 kg block on a horizontal frictionless surface is attached to a spring whose force...

A 0.73 kg block on a horizontal frictionless surface is attached to a spring whose force constant is 210 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). When the displacement is x = -2.8×10−2 m, the magnitude of the acceleration of the block is closest to:

A 0.73  block on a horizontal frictionless surface is attached to a spring whose force constant is 210 . The block is pulled from its equilibrium position at  = 0  to a displacement  = +0.080  and is released from rest. The block then executes simple harmonic motion along the -axis (horizontal). When the displacement is  = -2.8×10−2 , the magnitude of the acceleration of the block is closest to:

13 m/s2
11 m/s2
8.1 m/s2
4.1 m/s2
15 m/s2
0 0
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