A railway flat car has an artillery gun installed on it.the combined system has a mass M and moves with a velocity v.The barrel of gun makes an angle @ with the horizontal.A shell of mass m leaves the barrel at sped u relative to barrel in forward directon.find speed of car so it may stop after the firing is.solution

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Answers

2016-03-05T23:04:04+05:30
M * v * COSα / M + m = Speed

Conservation of momentum..
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