The radius of the loop is 550km. R=550km a.) Determine the minimum height above

Question

The radius of the loop is 550km. R=550km
a.) Determine the minimum height above the top of the loop fromwhich the ball must be released in order to "just" pass through thetop of the loop. b.) Where must the track be the strongest and in whatdirection does the ball travel if the track fails at the top of theloop? The radius of the loop is 550km. R=550km
a.) Determine the minimum height above the top of the loop fromwhich the ball must be released in order to "just" pass through thetop of the loop. b.) Where must the track be the strongest and in whatdirection does the ball travel if the track fails at the top of theloop?

Explanation / Answer

a.)The height above the top of the loop from where the ball mustbe released should be greater the radius of the loop.This isbecause when the ball is released from the top of the loop itshould always just pass through the top of the loop.

b.)The track must be strongest at the bottom of the loop.This isbecause at the bottom of the loop the forces acting on the ball aremore when compared with the forces acting at the top.When the trackfails at the top of the loop then the ball travels towards theeast.

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