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# vertical circular motion

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A fighter pilot dives his plane toward the ground at 230 m/s. He pulls out of the dive on a vertical circle. What is the minimum radius of the circle, so that the normal force exerted on the pilot by his seat never exceeds three times his weight?

##### Solution Summary

The greatest normal force on the pilot is discovered.

##### Solution Preview

The greatest normal force on the pilot occurs at the lowest point on the circular path. At this point, the speed v = 230 m/sec is ...

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