A firecracker bursts while freely falling. The combined momentum of its fragments
A. equals the momentum of the firecracker at the time of burst
B. cancels to the firecracker’s momentum at the time of bursting.
C. cancels to zero.
D. none of the above
Answer:A
A firecracker bursts while freely falling. The combined momentum of its fragments
A. equals the momentum of the firecracker at the time of burst B. cancels to the firecracker’s momentum at the time of bursting. C. cancels to zero. D. none of the above