Just an instant before reaching the very bottom of a semicircular section of a roller coaster ride, the automatic emergency brake inadvertently goes on. Assume the car has a total mass of 850 kg, the radius of that section of the track is 53.0 m, and the car entered the bottom after descending vertically (from rest) 29.0 m on a frictionless straight incline.
If the braking force is a steady 1800 N, determine the magnitude of the car's centripetal acceleration.
Determine the normal force of the track on the car.
Determine the magnitude of the tangential acceleration of the car.
Determine the total acceleration of the car.
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