Posted by **Sam** on Thursday, March 7, 2013 at 7:34pm.

A 90kg stuntman falls from a

building that is 80 meters tall. (Vo = 0)

Fortunately, the stuntman is attached

to a cable that is wrapped around a flywheel

(massive spool), with a radius of 0.5m. If the man

takes 8 seconds to reach the ground, (a) what is

the moment of inertia of the flywheel? (b) What

is the moment inertia if the radius of the wheel

was 1m? (c) What is the mass of the flywheel in each case?

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