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 : - DASH

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Question

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 :

40 ms^$-$1

120 ms^$-$1

100 ms^$-$1

80 ms^$-$1

Solution

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