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Riders on a Ferris wheel travel in a circle in a vertical plane.  A particular wheel has radius 20 feet and revolves at the constant rate of one revolution per minute.  How many seconds does it take a rider to travel from the bottom of the wheel to a point 20 vertical feet above the bottom?

 Aug 3, 2021
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10 seconds

Explanation: The 'triangle' would be a 30-60-90 one, so the answer is 1/6*60 = 10. 

 Aug 3, 2021
edited by Guest  Aug 3, 2021

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