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A horizontal 873 N merry-go-round of radius 1.11 m is started from rest by a constant horizontal force of 70.6 N applied tangentially to the merry-go-round. Find the kinetic energy of the merry-go-round after 3.59 s. The acceleration of gravity is 9.8 m/s2 . Assume the merry-go round is a solid cylinder.
Answer in units of J.

  • Physics -

    is 721.12 ... use KE=(((F*t)^2)g)/W W= 873, F=70.6 t=3.59, g=9.8

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