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Centripetal Acceleration

To withstand “g-forces” of up to 10 g’s, caused by suddenly pulling out of a steep dive, fighter jet pilots train on a “human centrifuge.” 10 g’s is an acceleration of 98 m/s2

If the length of the centrifuge arm is 15.0 m, at what speed is the rider moving when she experiences 10 g’s?

The centripetal acceleration is

a = v2/r
so the speed will be

v =√ (a*r)
= √(98*15) = 38.34 m/s

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