Find how fast is the roller coaster traveling

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A roller coaster at an amusement park has a dip that bottoms out in a vertical circle of radius r. A passenger feels the seat of the car pushing upward on her with a force equal to 2.46 times her weight as she goes through the dip. If r = 28.9 m, how fast is the roller coaster traveling at the bottom of the dip?

Reference no: EM13514570

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