As shown in the figure below, a box of mass m = 31.0 kg is sliding along a horizontal frictionless surface at a speed vi =  7.95 m/s when it encounters a ramp inclined at an angle of ? = 23.6°. The coefficient of kinetic friction between the ramp and the box is ? = 0.0704 and the box slides a distance d up the ramp before coming momentarily to rest. Determine the distance (in m) the box slides up the ramp before coming momentarily to rest.

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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.