When a skydiver reaches terminal velocity, she is losing potential energy but not gaining kinetic energy. Where does the lost energy go?

Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?

What distance does a car travel as its speed changes from 0 to 20 m/s in 17 s at constant acceleration?

Name two kinds of practical electric pumps.