A 140 kg block is attached to a spring with spring constant, Ask an Expert

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A 1.40 kg block is attached to a spring with spring constant 13 N/m. While the block is sitting at rest, a student hits it with a hammer and almost instantaneously gives it a speed of 42 cm/s.

a. What is the amplitude of the subsequent oscillations?

b. What is the block's speed at the point where x = 0.35 A?

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