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In a sea battle, a cannon ball of mass 30kg was fired at 200m/s from a cannon of mass 3000kg. what was the recoil velocity of the gun?

2007-03-21 06:16:31 · 2 answers · asked by Anonymous in Science & Mathematics Physics

2 answers

By law of conservation of momentum,
30*200=3000*x
solving for x we get,
recoil vel. of gun is 2 m/s

2007-03-21 06:32:10 · answer #1 · answered by Shyam Sundar 2 · 0 0

man its easy:
M1=M2
m1V1=m2V2
30*200=3000*V2
V2=6 m/s

2007-03-21 13:38:07 · answer #2 · answered by koki83 4 · 0 0

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