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A 5-kg block is sent sliding across a frictionless table at

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A 5-kg block is sent sliding across a frictionless table at a speedof 0.75 m/s. It strikes the free end of an ideal spring whose other end is attached to a wall. After the block has compressed the spring by 4.0 cm, its speed is half of what it was when it first encountered the spring. How much time elapses between the block's first and last contact with the spring?

Reference no: EM13614986

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