Posted by **kay** on Wednesday, October 24, 2012 at 11:31am.

A 1.50-kg block slides on a rough, horizontal surface. The block hits a spring with a speed of 2.07 m/s and compresses it a distance of 12.2 cm before coming to rest. If the coefficient of kinetic friction between the block and the surface is μk = 0.577, what is the force constant of the spring?

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