Question: A block is dropped onto a spring with k = 30 N/m. The block has a speed of 3.3 m/s just before it strikes the

A block is dropped onto a spring with k = 30 N/m. The block has a speed of 3.3 m/s just before it strikes the spring. If the spring compresses an amount 0.12 m before bringing the block to rest, what is the mass of the block?

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