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Two blocks are connected by a massless string that runs over the outer edge of a...

Two blocks are connected by a massless string that runs over the outer edge of a pulley. m1=50 kg , m2=65 kg , the mass of the pulley is 30 kg , and the radius of the pulley is 0.4 m . The two blocks are released from rest. What is the magnitude of the acceleration of the two blocks?

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