If there were no action-reactionforces in effect, describe what would happen as you walk down a sidewalk?

Acar travels along a highway with a velocity of 24 m/s, west. the car exits the highway; and 4.0 s later, its instantaneous velocity is 16 m/s, 45° north of west. what is the magnitude of the average acceleration of the car during the four-second interval?

Where do magnetic lines of force enter earth?

Based on this activity, is kinetic energy always transformed into potential energy?