A bat is used to exert an impulse on a baseball. The mass of the bat is 2 kg and the mass of the ball is 0.25 kg. Compared to the impulse exerted by the bat on the ball, the impulse exerted by the ball on the bat is .

Question 1(multiple choice worth 2 points) in order to be considered work, the components that must be present are • a force and a movement in the same direction as the force an action which causes movement and an opposite reaction an action which causes no movement or reaction a force and a movement in the opposite direction of the force