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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

a)

b)

c)

d)



Question ID - 100487 | SaraNextGen Top Answer

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

a)

b)

c)

d)

1 Answer
127 votes
Answer Key / Explanation : (c) -

(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

127 votes


127