Question

a) State the Law of Conservation of Momentum.
b) Two cars each of mass 1000 kg are moving in a straight line in opposite directions. The
velocity of each car is 6 ms-1 before the collision. During the collision, the two cars stick
together. What will be velocity of the combined cars after collision?

Answer 1

Answer:

( a) the total momentum before and after the collision will be the same if there is no external force acting on the colliding objects.