A disc of moment of inertia `2 kg m^(2)` is acted upon by a constant torque of 40 Nm. If it is initially at rest, then the time

A disc of moment of inertia `2 kg m^(2)` is acted upon by a constant torque of 40 Nm. If it is initially at rest, then the time taken by it to acquire an angular velocity 100 rad/s will be
A. 20 s
B. 10 s
C. 5 s
D. 4 s

A disc of moment of inertia `2 kg m^(2)` is acted upon by a constant torque of 40 Nm. If it is initially at rest, then the time taken by it to acquire

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