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A gun fires a bullet of mass 50 gm with a velocity of $30 m \sec^{- 1}$ . Because of this the gun is pushed back with a velocity of $1 m \sec^{- 1}$ . The mass of the gun is

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15 kg

30 kg

1.5 kg

20 kg

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detailed solution

Correct option is C

mG=mBvBvG 50×10−3×301=1.5 kg

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A gun fires a bullet of mass 50 gm with a velocity of 30 m sec−1. Because of this the gun is pushed back with a velocity of 1 m sec−1. The mass of the gun is

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A gun fires a bullet of mass 50 gm with a velocity of $30 m \sec^{- 1}$ . Because of this the gun is pushed back with a velocity of $1 m \sec^{- 1}$ . The mass of the gun is