A roller coaster starting from rest descends 35 meters in its initial drop and then rises 23 meters when it goes over the first

Question

A roller coaster starting from rest descends 35 meters in its initial drop and then rises 23 meters when it goes over the first hill, which has a circular shape over the top. If a passenger at the top of the hill feels an apparent weight equal to one-half of her normal weight, what is the radius of curvature of the first hill? Neglect any frictional losses.

Kunduz · Accepted Answer

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