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This is the IIT-JEE 1995 question. So U guys must have seen it. Not a very tough question. But it gives a lot of clarity in concepts and idea of how to apporoach such questions. A rectangular rigid fixed block has a long hori ...
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*Image* threads of lengths h1 ,h2 and h3 are fastened to the vertices of a homogenous triangular plate of weight W The other ends are fastened to a common point,as shown in the figure What is the tension in each thread, expre ...
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One end of a spring of unstretched length L and force constant k is fixed to a pivot, and a body of mass m is attached to its other end The spring is released from an unstretched, horizontal position, as shown in figure What ...
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Today's FULL Test XI AITS question.. [7] 1. Find.. lim (sin4x+sin4(2x)+...+sin4(2nx)) n→∞ 4 4n ...
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*Image* A weightless rod with a length `l` is rigidly attached to a weightless pulley with radius `r`. The end of the rod carries a mass `m` .A string to whose free end a mass `M` is fastened is passed over the pulley . in wh ...
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Suppose you find a motionless rope reaching vertically up in the sky (without anybody holding the other end) and hanging down nearly to the ground. What would be the length of the rope? ...
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N identical balls lie equally spaced in a semicircle on a frictionless horizontal table, as shown. The total mass of these balls is M. Another ball of mass m approaches the semicircle from the left, with the proper initial co ...
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Q1. Two ships A and B originally at a distance d = 3 km from each other depart at the same time from a straight coastline. Ship A moves along a straight line perpendicular to the shore while ship B constantly heads for ship A ...
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A heavy, flexible, inelastic chain of length L is placed almost symmetrically onto a light pulley which can rotate about a fixed axle, as shown in the figure. *Image* What will the speed of the chain be when it leaves the pul ...
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*Image* Be serious enough to answer this .. if u know then only answer . . i don't know the answer .. u gotta give me that with explanation .. ...
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*Image* The figure shows a rope looped over two pipes A and B.If the coefficient of static friction is 0.25 in both the surfaces , determine smallest and largest values of m for which equillibrium is possible ...
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*Image* The setup shown consists of two identical rods (mass m) hinged together at the ends. This setup is held in the position shown. Now we start applying a constant force F to the free end as shown Find the initial angular ...
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A rubber band with initial length L has one end tied to a wall. At t = 0, the other end is pulled away from the wall at speed V (assume that the rubber band stretches uniformly). At the same time, an ant located at the end no ...
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din knw whether to put in mechanics or electricity and mag section *Image* ...
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A particle is restricted to move on x-axis. The particle must be moving towards origin if, A) x\frac{dx}{dt}}<0 B) x\frac{d^{2}x}{dt^{2}}<0 C) (\frac{dx}{dt})(\frac{d^{2}x}{dt^{2}})<0 D) x^{2}\frac{dx}{dt}<0 ...
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*Image* *Image* *Image* ...
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The earth bulges slightly at the equator, due to the centrifugal force in the earth's rotating frame. Show that the height of a point on the earth (relative to a spherical earth), is given by h=R\left(\frac{R\omega ^{2}}{6g} ...
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Consider a drop of conducting liquid in gravity free space. Its radius is R while the surface tension of the liquid is T. Now the drop is supplied some charge Q. For what values of Q is the drop stable. ...
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The cube shown below has 5 faces grounded. The sixth side, insulated from the others, is held at a potential V0. What is the potential at the center of the cube and why? *Image* ...
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*Image* second one please explain clearly.. first one please confirm answer.. ...
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a really nice ques for practice .......... not a doubt the equivalent capacitance may be equal to 1)0.3μF 2)0.5μF 3)0.9μF 4)2μF 5)3.2μF 6)1μF *Image* cheers!!!!![1][1][1][1] ...
