2. What is the mass of another student sitting 5m away from you if your mass is 50kg and there is a gravitational force between the two of you of 1.62 x 10°N?

Which car has the most kinetic energy? a. a car of mass 1000 kg with a speed of 3 m/s b. a car of mass 2000 kg with speed 7 m/s c. a car of mass 1000 kg with speed 7 m/s d. a car of mass 2000 kg with speed 3 m/s