Question

Which of the following is an elastic collision?

A vase falling to the floor and shattering
B.Two cars colliding and sticking together
C.A wad of gum sticking to a window
D.A tennis racquet hitting a ball

Answer 1

I think its B. Two cars colliding and sticking together.or C. A wad of gum sticking to a window.

Answer 2

D is also an example