A shell of mass \( 0.01 \mathrm{~kg} \) is fired by a gun of \( 50 ...

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A shell of mass \( 0.01 \mathrm{~kg} \) is fired by a gun of \( 50 \mathrm{~kg} \). If the muzzle speed of shell is \( 60 \mathrm{~ms}^{-1} \), then the recoil
\( \mathrm{P} \) speed of gun is :-

W
(1) \( 1.2 \mathrm{~m} / \mathrm{s} \)
(2) \( 1.6 \mathrm{~m} / \mathrm{s} \)
(3) \( 1.2 \mathrm{~cm} / \mathrm{s} \)
(4) \( 1.6 \mathrm{~cm} / \mathrm{s} \)
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