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A machine gun of mass $10 k g$ , fires $10 g m$ bullets at the rate of four every second. Each bullet comes out with a velocity of $150 m s^{- 1}$ . The velocity of recoil of the gun at the end of the third second, after firing starts is

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1.6 m/s

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detailed solution

Correct option is B

MV = mu 10V=10×10−3×4×3×150 V=1.8 ms−1

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A machine gun of mass10kg , fires 10gm bullets at the rate of four every second. Each bullet comes out with a velocity of150ms−1 . The velocity of recoil of the gun at the end of the third second, after firing starts is

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Ready to Test Your Skills?

free study material

A machine gun of mass $10 k g$ , fires $10 g m$ bullets at the rate of four every second. Each bullet comes out with a velocity of $150 m s^{- 1}$ . The velocity of recoil of the gun at the end of the third second, after firing starts is