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a non conducting rod - total charge q and length l is rotated about centre of mass with constant angular velocity w.magnetic moment of rod=????? my method:-i took a small element dx at a distance x from centre and calculated ...

Calculate the product for n≥2 *Image* ...

A skier starts from rest at point A and slides down the hill, without turning or braking. The friction coefficient is k. When he stops at point B, his horizontal displacement is s. What is the height difference h between poin ...

are the topics mentioned in iit syllabus paper enough for organic? my institute material gives hell lot of reactions(mannich reaction,strecker synthesis,etc.) and preparations of alcohols etc. ,which do not find a place in th ...

jee 2009 physics had a comprehension from plasma physics,which can be marked as a portion slighly above jee level but still not too high. what are the other topics in math,phy,chem of this sort? like something just a bit high ...

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This is one of my most favorite logic puzzles. Imagine you are in a room with 3 switches. In adjacent room there are 3 bulbs (all are off at the moment), each switch belongs to some bulb. It is impossible to see from one room ...

Please help me with part b of sum no.63 Pg-137 of H.C.Verma. "A chain of length l and mass m...." ...

a) {x}+{y}= e0 b) {x}+{y}= e a) {x}+{y}= e2 This one is easy :P ...

sin-1(sin{x}) sin inverse of sin of fractional part of x ...

{x}2+y2=20 ...

*Image* plz do problem 1.106 ...

f(x)=\int_{0}^{\pi}\sin (x-t)\sin (2t-a)\ dt with respect to x... ...

Find the area of the region bounded by the curves y = logex, y = sin4Ï€x and x = 0. ...

many many happy returns of the day to our beloved sankara... ...

*Image* There are two neutral solid spheres of radius r with a seperation d r< < d They are supplied charges constantly such that dq/dx=n for 1st and dq/dt=-n for the 2nd sphere. After what time will the spheres stop pu ...

I am using Sanyal for organic reactions and Finar ( OLD edition ) for organic chem... but pls can u tell me which book to practise questions from... I don't like Arihant (RK Gupta ) as there are tooooooo many mistakes... espe ...

Show that the curve (x/a)2n + (y/b)2n=2 touches the straight line x/a+y/b=2 at (a,b) no matter what the value of n be. ...

*Image* Question : What should be the minimum (total) compression in the spring so that the green block leaves contact.... Given: The black wall is rigid Coefficient of friciton between the floor and the masses is μ Spring c ...

{x}2+y2=1 ...

22. There are n triangles of positive area that have one vertex A(0,0) and the other two vertices whose coordinares are drawn independently with replacement from the set {0,1,2,3,4} e.g. (1,2), (0,1), (2,2) etc. Find the valu ...

*Image* how come then a neutral sphere get attracted to the positive charge....... it is a self made question......... i know why it does not......just thought of sharing with u all ...

{x}+{y}=[x+y] ...

for a certain process... C=Cv+R/2,then the process can be represented as PaVbTc=k(a constant) the values of a,b and c are_____ ...

(y3-2x2y)dx + (2xy2 - x3)dy =0, then the value of xy√(y2-x2) is 1. y2 +x 2. xy2 3. any constant 4. none of these ...

Use the substitution y2=a-x to reduce the equation y3 dy/dx +x+y2=0 to homogeneous form and hence solve it. ...

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*Image* Find the eq resistance and the current i. ...

Δ= 1+x (1+x)a (1+x)bc 1+x (1+x)b (1+x)ca 1+x (1+x)c (1+x)ab find coeff. of x and x2. ...

Find the value(s) of the parameter 'a' (a>0) for each of which the area of the figure bounded by the straight line, y = a2-ax/1+a4 and the parabola y = x2+2ax+3a2/1+a4 is the greatest. ...