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10 June, 17:50

A steel beam is rotated in a horizontal plane to provide the centripetal acceleration for

training pilots. If the pilot sits 2.0 m from the center of rotation, at what speed must he rotate

to experience a horizontal centripetal acceleration of 78 m/s?

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Answers (1)
  1. 10 June, 18:12
    0
    12 m/s

    Explanation:

    a = v² / r

    78 m/s² = v² / 2.0 m

    v = 12.49 m/s

    Rounding to two significant figures, the speed is 12 m/s.
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