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physics

A clown is rocking on a rocking chair in the dark. His glowing red nose moves back and forth a distance of 0.42m exactly 30 times a minute in a simple harmonic motion. (a) what is the amplitude of this motion? (b) what is the period of this motion? (c) what is the frequency of this motion?

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  1. amplitude=.92m
    period=30/60 times/second
    f=1/period

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    bobpursley
  2. I don't understand the question

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