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An artillery piece of mass M(1) fires a ...

An artillery piece of mass `M_(1)` fires a shell of mass `M_(2)` horizontally.Instantaneously after the firing,the ratio of kinetic energy of the artillery and that of the shell is:

A

`M_(1)/(M_(1)+M_(2))`

B

`(M_(1))/(M_(2))`

C

`(M_(2))/(M_(1))`

D

`M_(2)/(M_(1)+M_(2))`

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