Astone is dropped from a bridge 45 meters above the surface river. it takes the stone 4.6 seconds to reach the water surface. find the average velocity of the falling stone.

An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?

You want to lose weight and have been trying to decide which type of fad diet is best for you. you ask your doctor, who responds that a. fad diets are a temporary fix but generally don't have any side effects b. fad diets can be used several times a year to maintain a healthy weight c. fad diets can be risky for your health and, in the long run, do not work d. fad diets should never be used one right after the other; there should be a break between them select the best answer from the choices provided. a b c d

Why does lightning travel from clouds to the ground?