A block with mass m, is placed on an inclined

A block with mass m, is placed on an inclined plane with slope angle a and is connected to a second hanging block with mass m2 by a cord passing over a small, frictionless pulley (Fig. 5.62). The coefficient of static friction is μk and the coefficient of kinetic friction is μk'
(a) Find the mass m2 for which block m, moves up the plane at constant speed once it is set in motion.
(b) Find the mass m2 for which block m, moves down the plane at constant speed once it is set in motion.
(c) For what range of values of m2 will the blocks remain at rest if they are released from rest?

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