Questions
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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Correct option is A
Time taken by both =2HgRange of 'A'=u2HgB travels d=u2HgVelocity of B=d−u2Hg2Hg ⇒Option has to be written as this dg2H−uSimilar Questions
A body of mass 1 kg is moving along positive x-axis with velocity 2 m/s. At t = 0, a constant force, parallel to positive y-axis, starts acting on the body and after 5 sec, speed of the body is found to be 4 m/s. Then work done by the force in 5 sec is
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