Find the speed of the masses just before m2 lands. Assume the ropes and pulley have negligible mass and that friction can be ignored. (Use any variable or symbol stated above along with the following as necessary: g for the acceleration due to gravity. Do not substitute numerical values; use variables only.) v =   (b) Evaluate (in m/s) your answer to part (a) for the case where h = 1.5 m, m1 = 3.2 kg, and m2 = 4.3 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.