posted by Sam on .
A car of mass 1100 kg, moving with a speed of 73 mph on a highway, passes a small SUV with a mass
times bigger, moving at 1/2 of the speed of the car.
(a) What is the ratio of the momentum of the SUV to that of the car?
(b) What is the ratio of the kinetic energy of the SUV to that of the car?
Why are you changing names wth each question?