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I would like to have everybody's idea about the following problem: suppose we keep two circuits with one loop each(radii x,y) side by side.(resistance r1,r2,, emf e1,e2). not neglecting mutual and self inductance, give a ...
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how to dtermine equivalent weight of an element undergoing disproportionate reaction ???? ...
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I KEPt THE NAME OF THE QUESTION AS SUCH BECAUSE I WILL KEEP ON POSTING MY QUESTIONS IN THIS TAG ONLYYYYYYYY I WILL ADD NEW QUESTIONS DAILYYYYYYYYYYYY whats more than organic in chemistry.. so i will start with that 1]Convert ...
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a particle of mass m is give a certain velocity along a plane which is at angle θ to the horizontal. the velocit given is at a angle of β to the horizontal and the coefficitnet of friction is μ>tanθ hence as the partic ...
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Figure shows a comfortable electrostatic configuration, consisting of four conductors with charges ±Q situated so that the plusses are near the minuses. *Image* What happens if we join them via conducting wires as shown. Wil ...
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Point-masses of mass m are at rest at the corners of a regular n-gon, as illustrated in the figure for n = 6. *Image* How does the system move if only gravitation acts between the bodies? How much time elapses before the bodi ...
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a particle moves in the xy plane with velocity v= ai + bxj a and b being constants. at t=0 particle was at (0,0).. find (a) the equation of the particles trajectory (b) the curvature radius as a function of x ...
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Q) Two rectangles are given.The Area of the 1st rectangle is double the area of the 2nd rectangle.The Perimeter of 2nd rectangle is double the perimeter of the 1st rectangle.Then Find the Sides of the 2 rectangles? Plz give t ...
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please post your methods so that we can have a good discussion its not a difficult one Prove that \frac{\sin ^{3}a}{sinb}+\frac{cos^{3}a}{cosb}\geq sec(a-b) for all 0< a,b <Ï€/2 ...
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the molar volume of liquid benzene density = 0.877 g/ml increases by a factor of 2750 as it vapourises at 20°C and that of liquid toulene density = 0.867 g/ml increases by a factor of 7720 at 20°C . A solution of benzene an ...
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A square of n units by n units is divided into n2 squares of 1 sq. unit each. find the number of ways in which 4 points ( out of (n+1)2 points) be selected so that they form the vertices of a square. i was able to count the n ...
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There is a cone as shown in the fig. A chain of mass m and length l is placed on it( darkened in fig) The cone is now rotated wid Ang velocity ω. Find the tension in the chain.The half angle of the cone is thita(@ in diagram ...
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Saw this recently " A root of an equation f(x)=0 is said to have a multiplicity k if its k times repeated root " eg. (x-1)2=0 has x=1 as a root of multiplicity 2 (x-1)2(x-2)3=0 has x=1 as a root of multiplicity2 and x=2 as a ...
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a strip of metal of resistance R, length l and width d, is kept in a uniform magnetic field B. it is connected to an external source of potential and a current i flows through it. find the potential difference between A and B ...
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If a fn. satisfies f(x+1)+f(x-1)= 2 f(x) then find the period of f(x). ...
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(x-1)2 + (y-2)2=32 && (x-5)2 - (y-6)2=-63 Find the circle of min. radius which cuts the curves orthogonally. This is quite a difficult problem !! ...
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three straight lines r drawn thru a pt lying in a triangle abc ,parallel to its side.the area of the resulting triangles are 1,4,9 sq cm..then area of triangle abc???? ...
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Find all pairs (x, y) of integers such that x^3 - y^3 = 2xy + 8 ...
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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* i think it shud remain constant ...........is it right??? well can u give a sort of mathematical xplanation for same? i have done mathematically.............but not quite sure of it ...... so wanna get best mathematic ...
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You have won yourself a Travel Voucher (2 Night 3 Day vacation in Goa!) and accelerate IIT, accelerate AIEEE, accelerate BITSAT and accelerate WBJEE products as prizes for All India Testing Carnival! The holiday voucher is be ...
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It is neutral conductor. 1) Determine the potential of the conductor 2) Determine the potential at A, B and C due to induced charges. *Image* ...
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What will happen to capillarity in following case: 1.adhesion=cohesion. ans. given in book is no capillarity............ but i m getting that [3]liquid ascends on solving[3] maybe i m wrong s always plz post ur proof showing ...
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*Image* ans is false.........but i m not getting how??????plz xplain!!!!!!! ...
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*Image* plz give ur complete solution here!!! ...
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Given six real numbers a,b c,x y,z , , such that 0<b-c<a<b+c and ax+by+cz=0. What is the sign of the sum ayz+bzx+cxy ? o promise u if u really try this question sincerely , you are bound to learn a new concept ...
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the figure shows an infinite arrangement of equilateral triangles........the resistances on each half of a side of a triangle goes on becoming (1/2) as the arrangement delves inside...........you have to find the equivalent r ...
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Let f be a continuous function on [0,1] such that for all x\in[0,\,1] , \int_x^1 f(t)\ \mathrm{d}t \geq \dfrac{1-x^2}{2} Prove that \int_0^1 f^2(t)\ \mathrm{d}t \geq \dfrac{1}{3} Here, f2(x) means (f(x))2. Also, determine the ...
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got a good one after quite some days A man always drives at the same speed at all times. He makes it from A direct to C in 30 minutes; from A through B to C in 35 minutes; and from A through D to C in 40 minutes. Distance fro ...
