Q. An 1800kg Indy racecar with a speed of 135 km/hr goes around a level, circular track with a radius of .775 km. (a) Calculate the centripetal acceleration of the car. (b) Calculate the friction force between the tires and the track.
Q. A car drives straight off the edge of a cliff that is 58 m high. The police at the scene of the accident observed that the point of impact is 121 m from the base of the cliff. How fast was the car traveling when it went over the cliff?