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13 October, 18:04

A Series wheel has a radius of 42m above the ground. It rotates once every 80 s. Suppose you get in the bottom at t=0. Write an equation for your height as a function of elapsed time.

A. H=42 cos π (t-40) / 80+43

B. H=43 cos π (t-40) / 80+43

C. H=42 cos2π (t-40) / 80+43

D. H=43 cos π (t-40) / 80+42

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Answers (1)
  1. 13 October, 18:10
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    Answer: it's A.
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