Physics

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A sports car of mass 1400 kg (including the driver) crosses the rounded top of a hill (radius = 93 m) at 27 m/s.
1) Determine the normal force exerted by the road on the car.
2) Determine the normal force exerted by the car on the 75 kg driver.
3) Determine the car speed at which the normal force on the driver equals zero.

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