A horizontal 663 N merry-go-round of radius 0.98 m is started from rest by a constant horizontal force of 69.9 N applied tangentially to the merry-go-round. Find the kinetic energy of the merry-goround after 2.91 s. The acceleration of gravity is 9.8 m/s 2 . Assume the merry-go-round is a solid cylinder. Answer in units of J.

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