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The torque M acting on the input shaft of a generator varies with time t as M(t) = M0 exp(−t/t0), where M0 = 4.6 N · m and t0 = 3.8 s. If the generator is at rest at t = 0, calculate its terminal angular speed. Assume that the generator rotates without resistance, and use I = 0.72 kg · m2 for its rotor
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