57. If a gun of mass 40 kg fires a bullet of shass
8 g with a velocity of 100 ms. The recoil
velocity of gun is ?
(a) 0.08 ms
(b) 0.06 ms
(c) 0.04 ms
1410.02 ms'
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Answer: Answer:
0.02 m/s
Explanation:
Given,
Mass ( gun ) = 40 kg
Mass ( bullet ) = 8 g = 0.008 kg
Velocity ( bullet ) = 100 m/s
To find : Recoil velocity of gun = ?
Formula : -
Recoil velocity of gun
= [ Mass ( bullet ) × Velocity ( bullet ) ] / Mass ( gun )
= [ 0.008 × 100 ] / 40
= 0.8 / 40
= 0.02 m/s
Therefore, The recoil velocity of gun is 0.02 m/s.
Explanation: mark me brainiest
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