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A disk has a rotational inertia of 6kg m^2 and a constant angular acceleration os 1.3...

A disk has a rotational inertia of 6kg m^2 and a constant angular acceleration os 1.3 rad/s^2. If it starts from rest, what is the work done in Joules during the first 5.0 s by the net torque acting on it.
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