What is the velocity of recoil of a gun, if a bullet of mass 100 g is fired from a gun of mass 20 kg with a velocity fo 100 ms^–1?

1 ms^-1

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0.5 ms^-1

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2ms^-1

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3ms^-1

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Solution

The correct option is B
0.5 ms^-1

Mass of bullet, m = 100 g = 0.1 kg

Velocity of bullet v = 100 ms^–1

Mass of gun, M = 20 kg

Let recoil velocity of gun = V

V = - $\frac{100 \times 0.1}{20}$ = -0.5 m/s

recoil velocity is 0.5 m/s

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What is the velocity of recoil of a gun, if a bullet of mass 100 g is fired from a gun of mass 20 kg with a velocity fo 100 ms–1?

The correct option is B 0.5 ms-1 Mass of bullet, m = 100 g = 0.1 kg Velocity of bullet v = 100 ms–1 Mass of gun, M = 20 kg Let recoil velocity of gun = V V = -100×0.120 = -0.5 m/s recoil velocity is 0.5 m/s

What is the velocity of recoil of a gun, if a bullet of mass 100 g is fired from a gun of mass 20 kg with a velocity fo 100 ms^–1?

The correct option is B
0.5 ms^-1

Mass of bullet, m = 100 g = 0.1 kg

Velocity of bullet v = 100 ms^–1

Mass of gun, M = 20 kg

Let recoil velocity of gun = V

V = - $\frac{100 \times 0.1}{20}$ = -0.5 m/s

recoil velocity is 0.5 m/s