When a falling firecracker explodes, the momenta of its pieces _______.
A.vectorally add to equal the initial momentum of the firecracker
B. are conserved only if the fragments eject in one direction
C.illustrate a case in which momentum is not conserved
D.disintegrate
1 answer
Conservation of Momentum does not have exceptions. There are no external forces on this system. Its momentum does not change. Period. A