A railway flat car has an artillery gun installed on it. The combined system has a mass and moves with a velocity The barrel of the gun makes an angle with the horizontal. A shell of mass leaves the barrel at a speed relative to the barrel. The speed of the flat car so that it may stop after the firing is |
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a) |
b) |
c) |
d) |
A railway flat car has an artillery gun installed on it. The combined system has a mass and moves with a velocity The barrel of the gun makes an angle with the horizontal. A shell of mass leaves the barrel at a speed relative to the barrel. The speed of the flat car so that it may stop after the firing is |
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a) |
b) |
c) |
d) |
(c)
As the car stops, so velocity of bullet after firing is same w.r.t. ground and w.r.t. car. Conserving momentum in horizontal direction