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A merry go round makes 2 revolutions every 2 s. A child is sitting 1.80 m from the center. Calculate
a)The period of the merry go round
b)the speed of the child in his position
c) the centripetal acceleration of the child
d) the net horizontal force on the child if his mass is 24.00 kg

  • physics -

    a) How long does it take to make one revolution if it takes two seconds for two revolutions? You can do that in your head.
    b) V = 2 pi*R/(period)
    c) a = V^2/R
    d) F = M a = M V^2/R

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