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Movement of Pendulum

A pendulum swings through an angle of 20 degree each second. if the pendulum is 40 inches long, how far dose its trip move each second ?

arcdistance=radius*angleinradians

you are given the radius.
arcinradians= 20deg*PI/180

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2 answers

  1. 13.962

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  2. 17.45 inches

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