Kerwyn

a trunk is dragged across a level floor using a massless rope that makes an angle of 30 degrees with the horizontal. when the tension in the rope is 200 N and the kinetic friction coefficient = 0.5, the trunk moves at a constant speed. what is the mass of...

Satellites A and B are in circular orbits, with A two and a half times as far from earth's center as B. How do their orbital periods compare?