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0 N/m. While the block is sitting at rest, a student hits it with a hammer and almost instantaneously gives it a speed of 48.0 cm/s.
A 1.2 kg block is attached to a spring with spring constant 18.0 N/m. While the block is sitting at rest, a student hits it with a hammer and almost instantaneously gives it a speed of 48.0 cm/s. What are The amplitude of the subsequent oscillations? The block's speed at the point where x= 0.400 A?