Question

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
Conservation of Momentum does not have exceptions. There are no external forces on this system. Its momentum does not change. Period. A

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