A 34 kg block is sliding on a frictionless surface at a rate of 25 m/s. It enters a surface that has a coefficient of kinetic friction of .35. How long does it take the block to stop and how far does it slide before it comes to a stop after it enters the surface with friction?
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Expert's answer
2020-11-11T08:56:09-0500
First, apply law of conservation of energy: the kinetic energy turned into work done against friction.
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