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The string is massless. The pulley turns on frictionless bearings. Consider the pulley as a uniform disk of mass 2.50 kg and radius 5.00 cm.The mass m1= 4.00 kg, and the mass m2= 5.00 kg. The system is released from rest. Find the tensions, T1& T2, in the horizontal and vertical portions of the string. The horizontal surface below m1 is smooth.

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The string is massless. The pulley turns on frictionless bearings. Moment of Inertia of the pulley about its axis is 0.0125 kg.m2, its radiusR= 10.0 cm. The mass m1= 5.00 kg, and the mass m2= 4.00 kg. The system is released from rest. Find (a) the acceleration of m1 and (b) the tensions, T1& T2, in the horizontal and vertical portions of the string. The horizontal surface below m1 is smooth.