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A Stone Is Released from Rest at a Height H 2\sqrt { 2 }

Question 55

Multiple Choice

A stone is released from rest at a height h at the left side of a loop-the-loop, as shown in the figure. There is no appreciable friction from the track or from air resistance. If the radius of the loop is R, what is the minimum height h for which the stone will not fall off the track at the top of the loop? A stone is released from rest at a height h at the left side of a loop-the-loop, as shown in the figure. There is no appreciable friction from the track or from air resistance. If the radius of the loop is R, what is the minimum height h for which the stone will not fall off the track at the top of the loop? A) 3.5 R B) 2.5 R C) 2.0 R D) \sqrt { 2 } R E) 3.0 R


A) 3.5 R
B) 2.5 R
C) 2.0 R
D) 2\sqrt { 2 } R
E) 3.0 R

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