Abowling ball is moving down a bowling lane at 4 m/s. if the mass of the bowling ball is 7 kg, find its kinetic energy.

Describe uniform velocity and variable velocity in short

Two identical stars with mass m orbit around their center of mass. each orbit is circular and has radius r, so that the two stars are always on opposite sides of the circle. (a) find the gravitational force of one star on the other. (b) find the orbital speed of each star and the period of the orbit. (c) how much energy would be required to separate the two stars to infinity?

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created