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Two identical 1.3-kg blocks are connected by a massless string over a frictionless pulley of radius R = 15.000 cm and rotational inertia I = 0.004 kg m2 (see Figure). The string does not slip on the pulley, so the horizontal tension is different than the vertical tension. What is the magnitude of the angular acceleration of the pulley?

What is the magnitude of the linear acceleration of the two blocks?

What is the tension T1?

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