A block begins to slide from a ramp with a height of h = 150m for the first time, without friction, and climbs an opposite inclined plane with an angle of inclination of 45o. Since the block rises 100m in this plane, what is the kinetic coefficient of friction between the block and inclined plane? A) 0.42 B) 0.38 C) 0.42 D) 0.37 E) 0.5

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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.