As a person pushes a box across a floor, the energy from the person's moving arm is transferred to the box, and the box and floor become warm. During this process, energy is

Atrain departs from its station at a constant acceleration of 5 m/s. what is the speed of the train at the end of 20s?

Aball has an initial velocity of 3 m/s. if there is no friction, what is the highest it could roll?

The table below shows the acceleration of gravity on different bodies in the solar system. on which body would a 10 kg lamp has the most gravitational potential energy when lifted to a height of 2 m? a. earth b. mars c. neptune d. uranus