- #1

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First I did

I = (1/2)(mr^2) = (1/2)(2kg)(0.330^2 m) = 0.1089 kg m^2

Then i used the equation

Torque = I*alpha = (I)(omega)/(time)

=((0.1089 kg m^2)(4.12 rev/s x 2pi rad/rev))/(48 s)

=0.0587 N m

however i am getting this question wrong. what am i doing wrong?