Ahollow spherical shell has mass 785kg and radius 0220m , Ask an Expert

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A hollow spherical shell has mass 7.85kg and radius 0.220m . It is initially at rest and then rotates about a stationary axis that lies along a diameter with a constant acceleration of 0.905rad/s2.

Part A What is the kinetic energy of the shell after it has turned through 7.00rev?

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