A pilot flies a small plane in a vertical loop of radius . At the top of its trajectory he experiences weightlessness. If the acceleration due to gravity is , the speed of the plane at the top of its trajectory would be

A pilot flies a small plane in a vertical loop of radius . At the top

1.	A pilot flies a small plane in a vertical loop of radius . At the top of its trajectory he experiences weightlessness. If the acceleration due to gravity is , the speed of the plane at the top of its trajectory would be
A.	zero
B.	infinite
C.	.
Answer» D.

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A pilot flies a small plane in a vertical loop of radius . At the top of its trajectory he experiences weightlessness. If the acceleration due to gravity is , the speed of the plane at the top of its trajectory would be

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