Amotorcycle running on gasoline wastes a large amount of energy mainly as a) heat energy and sound energy. b) light energy and kinetic energy. c) heat energy and chemical energy. d) sound energy and chemical energy.

The energy released by a nuclear fusion reaction is produced when

How many atoms of nitrogen are in the chemical formula ni(w on

Abaseball is thrown from the outfield toward the catcher. when the ball reaches its highest point, which statement is true? (a)its velocity is not zero, but its acceleration is zero. (b) its velocity and its acceleration are both zero. (c) its velocity is perpendicular to its acceleration. (d) its acceleration depends on the angle at which the ball was thrown. (e) none of the above statements are true.