The 2.0 kg block in the figure slides down a frictionless curved ramp, starting from rest at a height of h = 3.60 m. The ock then slides d = 7.60 m on a rough horizontal surface before coming to rest. What is the coefficient of friction etween the block and the horizontal surface? m =2 kg

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Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.