1) Cloverleaf exits are approximately circular. A 1712 kg automobile is traveling 70 mph while taking a cloverleaf exit that has a radius of 46.4 m. Calculate the centripetal acceleration of the car and the centripetal force on the car. Remember that 1 mph = 0.447 m/s.
2) A satellite is in orbit about Earth. Its orbital radius is 7.1×107 m. The mass of the satellite is 7097 kg and the mass of Earth is 5.979×1024 kg. Determine the orbital speed of the satellite in mi/s. 1 mi/s = 1609 m/s.