A moon of mass ‘m’ orbits a planet of mass ‘M’ in a perfectly circular orbit of radius R, with a force of gravitational attraction between the two bodies of Fg. How much work is done on the moon by the planet during a single orbit of the moon

Several mountains together form a mountain . a few of these combined form a mountain system. several systems combined form a mountain , which can stretch thousands of miles in length.

Ben (55kg) is standing on very slippery ice when junior (25kg) bumps into him. junior was moving at a speed of 8 m/s before the collision and ben and junior embrace after the collision. find the speed of ben and junior as they move across the ice after the collision. give the answer in m/s. describe the work you did to get the answer.

What happens when the vapor pressure of a liquid is equal to the external pressure?