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Find values of a and b for which the eqns have only 1 soln. 2|x|+|x|=y+x2+a x2+y2=1 ...
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Q1.A string of bob is attached to a block kept on frictionless surface (bob is hanging ) an impulse is imparted to bob to give it velocity v0 describe motion of block. ...
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2^x= x2+1 i am getting two.... 0 and 1. ny other??? ...
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Draw curves for the following titrations....... 1)Strong acid-Strong base 2)Strong acid -Weak base 3)Weak acid -Strong base ...
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A paricle moves in the xy plane accordingly with the velocity v=(a)i+(bt)j. At the instant t=a 3 /b the magnitude of the tangential, normal and the toatal acceleration are-___________, _________ and ________. ...
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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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a glass capillary tube with an internal diameter of 0.5 mmis immersed into water.the top end of the tube projects by 2cm zbove the surface of the water.what is the shape of the miniscus? ...
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A lead ball and a rubber ball having same mass, collide normally with a vertical wall with the same velocityh. The lead ball falls down after striking, but the rubber ball bounces back. Then which of the following is true and ...
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A drinking straw of length 3a/2 and mass 2m is placed on a square table of side 'a' parallel to one of its sides such that one third of its length extends beyond the table.An insect of mass m/2 lands on the inner end ...
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In the diagram below, The ball hits the billiards table and returns back in the same direction. If the angle of hitting the wall is θ from the vertical. Find the minimum coefficient of friction between the wall and the ball. ...
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in triangle abc,Δ2=a2b2c2/2(a2+b2+c2)then which type triangle is abc right angel, equilateral,isoscelesor scalene ...
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Find mu for the rod of mass m to be in equilibrium. Both blocks are fixed. *Image* ...
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please give a detailed reasoning to your solution:: [CoCl4(H2O)2]2- + (edta)4- = [Co(edta)]2- + 4Cl- +2 H2O ALL ARE aquous. if H2o is added in above equilibrium(initially it is in equilibrium) what will happen? ...
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it is a very good concept reckoner:: three processes A,B,C are mutually independent, are they independent as a whole?? prove your answer.. ...
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*Image* a rod is aligned at a corner as in figure. no friction is there anywhere. it start to slide. prove that it would leave the vertical wall when it's tip is at a height 1/3rd of initial. edit:: the actual question as ...
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*Image* A uniform sphere of mass m and radius r rolls without sliding over a horizontal plane, rotating about a horizontal axle OA. in the process, the center of the sphere moves with velocity v along a circle of radius R. Fi ...
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a weight with a mass `m` is attached to the end of a string with a length of length `l` fastened to a vertical rod rtating with a angular velocity `ω`.another string of the same length as the first and carrying on its end an ...
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a stick of length l lies on horz .table.It has mass M and is free to move any way on the table.A ball of mass m moving perpendicularly to the stick at a distance d from the centre with speed v collidesw elasticaly. What quant ...
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FInd the moment of inertia of hollow cone of mass m,height h and apex angle 2@ about the central axis of symmetry. ...
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Prove that the minimum coefficient of friction between thin homogenous rod and floor at which a person can slowly lift the rod from floor without slippage to the vertical position applying to this a force perpendicular to it ...
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A uniform chain of length L and mass M is hanging vertically from its ends A and B which are close together.At a given instant the ened B is released.Find the tension at A when B has fallen a distance x(<l) *Image* ...
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2 heavy circular rollers of diameters D and d , respectively , rest on a rough horizontal plane as shown in the figure. The larger roller has a string wound around it to which a horizontal force P can be applied as shown. Ass ...
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n1 and n2 are two numbers which on multiplying with 7 gives a number consisting only five's no number between n1 and n2 exists which on multiplying with 7 gives the same result. Find n1 - n2 ...
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Given 1∫2 ex2 dx = a , Find the value of e∫e4 √(logex) dx . ...
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a disc of mass M and radius R, lying in the vertical plane is free to rotate about a horizontal axis passing through its centre . a body of mass M is fixed at the highest point of the disc Now the system is released When the ...
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a long horizontal rod has a bead which can slide along its length and initially placed at a distance L from one end A of the rod The rod is set in angular acceleration a' If the coefficient of friction between the rod and the ...
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a,b,c......,k are positive integers such that a+b+c+....+k≤n, then can we say that n!/(a!b!c!.....k!) is also a positive integer?? solve with proof ...
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*Image* Plz. attempt que 2 and que 3 of the comprehension!!!! ...
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*Image* ...
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If n/7,nεN is anon terminating and recurring decimal rational number.After decimal stage , digits start repeating groups continuously.If smallest such group has r digits,the Maximum calue of r is _____ ...
