Two formula one racing cars are negotiating a circular turn, and they have the same centripetal acceleration. however, the path of car a has a radius of 49.6 m, while that of car b is 39.3 m. determine the ratio of the angular speed of car a to the angular speed of car b.

Suppose a force of 60 n is required to stretch and hold a spring 0.1 m from its equilibrium position. a. assuming the spring obeys hooke's law, find the spring constant k. b. how much work is required to compress the spring 0.5 m from its equilibrium position? c. how much work is required to stretch the spring 0.6 m from its equilibrium position? d. how much additional work is required to stretch the spring 0.1 m if it has already been stretched 0.1 m from its equilibrium? a. kequals 600