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A shell of mass 200 gm is ejected from a gun of mass 4 kg by an explosion that generates 1.05 KJ of energy.

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A shell of mass 200 gm is ejected from a gun of mass 4 kg by an explosion that generates 1.05 KJ of energy. The initial velocity of the shell is :–

(a) 40 m/s 

(b) 120 m/s

(c) 100 m/s 

(d) 80 m/s

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Best answer

Correct Option (c) 100 m/s 

Explanation: 

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