Q. Two 325 kg masses (722 lb) are separated by a distance of 4 m. Using Newton's law of gravitation, find the magnitude of the gravitational force exerted by one mass on the other.
Q. A daredevil is shot out of ta cannon at 45 deg, to the horizontal with an initial speed of 25 m/s. a net is positioned a horizontal distance of 50 m. from the cannon. at what hight above the cannon should the net be placed in order to catch the daredevil.