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a 2kg block is pushed with a force of 15 N across a horizontal surface. The coefficient of kinetic friction between the block and the surface is 0.2. The block starts from rest and is pushed for a distance of 10 meters. After being pushed, the block moves up a frictionless ramp until it comes to rest. How high does the block travel up the ramp?



Answer :

The frictional force acting on a 2.0 kg block pulled across a horizontal surface with a 15 N force at a constant velocity is also 15 N.

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