# Physics

Two masses are suspended from a pulley as shown in the figure . The pulley itself has a mass of 0.30 kg, a radius of 0.20 m, and a constant torque of 0.30 m \cdot N due to the friction between the rotating pulley and its axle.

What is the magnitude of the acceleration of the suspended masses if m_1 = 0.40 kg and m_2 = 0.90 kg ? (Neglect the mass of the string.)

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