A Car Moving at a Steady 10 M/s on a Level

Multiple Choice

A car moving at a steady 10 m/s on a level highway encounters a depression that has a circular cross-section with a radius of 30 m.The car maintains its speed as it drives through the depression.What is the normal force exerted by the seat of the car on a 60.0-kg passenger when the car is at the bottom of the depression?

A) 200 N
B) 390 N
C) 790 N
D) 490 N
E) 590 N