A gun of mass 40 kg has a bullet of mass 40 kg in it. after firing the bullet comes out from the barried of the gun with a velocity of 100m/second. what will the recoling velocity of gun ??
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Answer:
-100
Explanation:
40×100+40V = 4000+40V
4000+40V=0 (linear momentum is zero)
40V=-4000
V=-4000/40
V=-100
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