A child sitting 1.20 m from the center of a merry-go- round moves with a speed of 1.10 m/s. Calculate (a) the centripetal acceleration of the child and (b) the net hori- zontal force exerted on the child (mass = 22.5 kg).
Giancoli, Douglas C., Physics: Principles with Applications, 7th Ed., ©2014. Reprinted by permission of Pearson Education Inc., New York.
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