A .2 kilogram bullet traveling at 3000m/s strikes a block of wood that weighs 5kg. With what velocity will the block and bullet move after the collision? A. 15 m/s
B. 115.4 m/s
C. 330.8 m/s
D. Please do more examples because idk

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