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an artillery shell explodes in midair and breaks up into many fragments. which is true immediately before and immediately after the explosion.

an artillery shell explodes in midair and breaks up into many fragments. which is true immediately before and immediately after the explosion.
1 the total momentum of the fragments is equal to the original momentum of the shell.
2 the total kinetic energy of the fragments is equal to the original kinetic energy of the shell.
a- 1
b-2
c-1&2
d- neither

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