The force that keeps a satellite in earth’s orbit is always directed away from the center of earth. true or false.

Asimply means that over time there was some sort of change.

You are traveling in a car going at a constant speed of 100km/h down a long, straight highway. you pass another car going in the same direction which is traveling at a constant speed of 80km/h. as measured from your car's reference frame this other car is traveling at −20km/h. what is the acceleration of your car as measured from the other car's reference frame? what is the acceleration of the other car as measured from your car's reference frame?

If jerome is swinging on a rope and transferring energy from gravitational potential energy to kinetic energy, is being done.