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(Subjective Type) A string with one end fixed on a rigid wall, passing over a fixed frictionless pulley at a distance of 2m from the wall, has a point mass M = 2kg attached to it at a distance of 1m from the wall. A mass m = 0.5kg attached at the free end is held at rest so that the string is horizontal between the wall and the pulley and vertical beyond the pulley. What will be the speed with which the mass M will hit the wall when the mass ‘m’ is released?

Chemistry

(Objective Type)

compound on hydrolysis in aqueous acetone will give

(a) Mixture of (1) and (2)
(b) Mixture of (1) and (3)
(c) Only (3)
(d) Only (1)

Mathematics

(Subjective Type)Let Z and W be two non-zero complex numbers such that |Z| = |W| and Arg Z + Arg W =

. Then Z in terms of W is

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