A student is skateboarding down a ramp that is 6.14 m long and inclined at 24.5° with respect to the horizontal. The initial speed of the skateboarder at the top of the ramp is 3.31 m/s. Neglect friction and find the speed at the bottom of the ramp.

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A: Given as, θ =150 , m=1.5×104 kg , μ =μk From Newton's second law as, Net force =mass × acceleration…

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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.