What was the initial velocity of the box

Reference no: EM13506614

The .50 kg box shown below is sliding with an unknown initial velocity before it slides down the incline and then collides with a mass less spring of spring constant 4.0 N/m (ignore friction). If the spring is compressed by 2.5 m and the box started at h= 2.0 m, what was the initial velocity of the box?

Reference no: EM13506614

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