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A car of mass 930 kg is traveling over the top of a hill as shown in the figure below.
(a) If the hill has a radius of curvature of 38 m and the car is traveling at 13 m/s, what is the normal force between the hill and the car at the top of the hill?
N
(b) If the driver increases her speed sufficiently, the car will leave the ground at the top of the hill. What is the speed required to make that happen?
m/s
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