A body of mass 3kgs moving at 4m/s collidea with a body of mass 5kgs moving at 2m/s in the same direction. what is tge common velocity of bodies if they stick together on collision?

answer; i believe the correct answer is (40,000 j) good luck

a, c, d, e are all applying about success strategies.

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.