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Question: A 1.6 kg block on a horizontal frictionless surface is attached to an ideal mass less spring whose spring constant is 190 N/m. The block is pulled from its equilibrium position at z=.00 m to a displacement x = =.080 m and is released from rest. The block then executes simple harmonic motion along the horizontal x-axis.

1- What is the velocity of the block at time t=.40 s?

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