Homework Help: physics

Posted by Anonymous on Sunday, November 4, 2012 at 5:45pm.

Part of a roller-coaster ride involves coasting down an incline and entering a loop 27.0 m in diameter. For safety considerations, the roller coasters speed at the top of the loop must be such that the force of the seat on a rider is equal in magnitude to the rider’s weight. From what height above the bottom of the loop must the roller coaster descend to satisfy this requirement?

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