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A gun of mass 2kg fired a bullet of 20 grms and the velocity after 5 sec of firing is 200m/s.recoil the velocity??plz answer my question in detail and as fast as possible |
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Answer» Answer: 2 m/ s Explanation: Mass of gun =2 kg Mass of PISTOL =2 g=0.02kg According to law of conservation of MOMENTUM MV= -MV 0.02×200= -2×V V= -0.02×200÷2 V= -2 m/s |
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