Show transcribed image textTwo pulley wheels, or respective radii R1 = 0.39 m and R2 = 1 m are mounted rigidly on a common axle and clamped together. The combined moment of inertia of the two wheels is I + 3.5 kg m2. Mass m1 = 15 kg is attached to a cord wrapped around the first wheel, and another mass m2 = 12 kg is attached to anot her cord wrapped around the second wheel: The acceleration of gravity is 9.8 m/s2. Find the angular acceleration of the system. Take clockwise direction as positive. Answer in units of rad/s2.
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