Two blocks are connected by a light string that passes over a frictionless pulley as in the figure below. The system is released from rest while m2 is on the floor andm1 is a distance h above the floor.Two objects are connected by a taught string passing over a pulley. An object labeled m2 rests on a table, and an object labeled m1 dangles a distance h above the table.(a) Assuming m1 > m2, find an expression for the speed of m1 just as it reaches the floor. (Use any variable or symbol stated above along with the following as necessary: g.)(b) Taking m1 = 6.6 kg, m2 = 3.9 kg, and h = 3.9 m, evaluate your answer to part (a).c) Find the speed of each block when m1 has fallen a distance of 1.3 m.

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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.