please give one problem on collisons
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please give one problem on collisons
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Answer:
Explanation:
A gun fires a bullet of mass 50 g with a velocity of mass 30ms−1 . Because of this, the gun is
pushed back with a velocity of1ms−1 . The mass of the gun is
1) 15 kg 2) 30 kg 3) 1.5 kg 4) 20 kg