In the figure below, m1 = 11.0 kg and m2 = 4.5 kg. The coefficient of static friction betweenm1 and the horizontal surface is 0.60 while the coefficient of kinetic friction is0.30.
(a) If the system is released from rest, whatwill its acceleration be?
1 m/s2

(b) If the system is set in motion with m2moving downward, what will be the acceleration of the system?
2 m/s2


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