Chrome . MasteringPhyso: Ch 7&,8 Problems https//session masteringphysics.com/my

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Chrome . MasteringPhyso: Ch 7&,8 Problems https//session masteringphysics.com/myct/temView7assignmentProblemiD-92474033&offset-next; Ch 78amp:8 Problems tem 5 5 of 49 Constants PartA An object's moment of inertia is 2.3 kg m2Its angular velocity is increasing the tale of 4 0 rad/s per second What is the net torque on the object? Express your answer using two significant figures N-Im Submit Provide Feedback Next > View?assignmentProblemiD-924740348offset-next https://session, masteringphysics.com/myct/item Sign out . 10:08 .

Explanation / Answer

In case of angular motion we kow that Torque is the product of moment of inertia and angular accleration.

According to the question, the angular velocity is increasing at a rate of 4 rad/sec per sec. That means 4 rad/sec^2 is the angular accleration and moment of inertia is given 2.3kg.m^2.

Therefore, the torque = I * a = 2.3 * 4 N.m = 9.2 N.m

So the net torque of the object is 9.2 N.m

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