Which of the following has the most kinetic energy a 25-kg fish tank sitting on a table, a 50-kg fish swimming in a fish tank, a 7,500-kg car parked on a steep hill, or a 50-kg boulder suspended from a cliff .

Aball thrown by ginger is moving upward through the air. diagram a shows a box with a downward arrow. diagram b shows a box with an upward arrow. diagram c shows a box with a downward and upward arrow equal in size. diagram d shows a box with a downward and upward arrow with the downward arrow larger in size. which force diagram represents the forces on the ball? you may neglect the effects of air resistance.