A steel beam is rotated in a horizontal plane to provide the centripetal acceleration for training pilots. If the pilot sits 3.0 m from the center of rotation, at what speed must he rotate to experience a horizontal centripetal acceleration of 72 m/s2 ?
A. 24 m/s
B. 14.7 m/s
C. 216 m/s
D. 23.5 m/s
Answers: 2
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