Question: Roller coasters are designed so that riders will not experience a normal force that is more than 2 . 5 times their weight against the

Roller coasters are designed so that riders will not experience a normal force that is more than 2.5 times their weight against the seat of the car.
Part A
Determine the smallest radius of curvature of the track at its lowest point if the car has a speed of 15fts at the crest of the drop. Neglect friction.
Express your answer to three significant figures and include the appropriate units.
=
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Roller coasters are designed so that riders will

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