Two particles A and B are placed as shown in figure. The particle A, on the top of a tower, is projected horizontally with a velocity u and the particle B is projected along the surface towards the tower, simultaneously. If both the particles meet each other. Then the speed of projection of particle B is [Ignore any friction]

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answer is A.

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Detailed Solution

Time taken by both =2HgRange of 'A'=u2HgB travels d=u2HgVelocity of B=d−u2Hg2Hg ⇒Option has to be written as this dg2H−u

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