A sheel of mass 200g is ejected from a g...

A sheel of mass 200g is ejected from a gun of mass 4 kg by an explosion that generates 1.05kJ of energy. The initial velocity of the shell is

A

`120ms^(-1)`

B

`100ms^(-1)`

C

`80ms^(-1)`

D

`40ms^(-1)`

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The correct Answer is:

B

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