(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

A flywheel of mass 181 kg has an effective radius of 0.63 m (assume the mass is concentrated along a circumference located at the effective radius of the flywheel).

(a) What torque is required to bring this wheel from rest to a speed of 118 rpm in a time interval of 29.4 s?

_____ N·m

(b) How much work is done during the 29.4 s?

______ kJ

2. Relevant equations

??????????

3. The attempt at a solution

How is this problem done when time is involved?? I am confused.

I have done I = mr^2 and thats it.

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# Homework Help: Tricky torque problem

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