A player throws a ball with a speed of 15 m/s. Ignore air resistance. After 1.0 s, the ball’s

Which best represents the law of conservation of mass ?

Need only answer if you think you know it

Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive