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## Homework Statement

A merry-go-round has a mass of 1640 kg and a radius of 7.50 m. How much net work is required to accelerate it from rest to a rotation rate of 1.00 revolutions per 8.00s? Assume it is a solid cylinder.

## Homework Equations

[itex]\Delta[/itex]KE=Wnet=1/2(Iw

^{2})=14211.7J

[itex]\tau[/itex]=([itex]\Delta[/itex]w/[itex]\Delta[/itex]t)