A Car with a Mass of 1200 Kg Goes Over

Multiple Choice

A car with a mass of 1200 kg goes over a hill at a constant speed.The top of the hill can be approximated as an arc length of a circle with a radius of curvature of 210 m.What minimum speed must the car have as it passes over the top of the hill in order to become airborn?

A) 9.8 m/s
B) 11 m/s
C) 37 m/s
D) 45 m/s
E) 56 m/s