A race car rounds a curve at 54 m/s. The radius of the curve is 406 m, and the car's mass is 685 kg. (Suppose the car's speed remains constant. Take the radically inward direction to be positive. Indicate the direction by the sign of your answer.)
1) What is it in g's?
2) What is the centripetal force acting on the car?
3) What is the car's (centripetal) acceleration?