A pool ball hits another pool ball of equal mass traveling at a velocity of 1 m/s. The first ball stops after the collision. What is the velocity of the second pool ball after the
collision?

Select all the correct answers. which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air