A wheel whose moment of inertia is 12 kgm2 has an initial angular velocity of 40 rad/sec.A constant torque of 20 Nm acts on the wheel. The time in which the wheel is accelerated to 100 rad/sec is (A) 72 seconds(B)16 seconds (C) 8 seconds (D) 36 seconds

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#18 | Torque

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