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A nice problem.. Simple loop eqns... try it *Image* ...

a ball rolls widout sliping on a hemisphere wid small oscillation...radius of hemisphere R....of ball r....find T ...

*Image* more imp... wahts role and use of (CH2-SH)2?????// ...

CAN any one tell me something abt. using polar protic & polar aprotic solvents??? also give ex. of each ... which is used in SN1,SN2??????// ...

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THINK DIFF. ???? *Image* ...

5. Find the equation of the straight lines passing through (-2,-7) &having an intercept of length 3 between the straight lines 4x+3y=12, 4x+3y=3. 7. Two sides of a rhombous ABCD are parallel to the lines Y=x+2 & y=7x+3. If th ...

Problem 1) Let f(x) be a polynomial of degree one and f(x)be a function defined by f(x) = { g(x) ; for x ≤ 0 { and (1+x) / (2+x) 1/x ; for x >0 If f(x) is continous at x=0 and f(-1) = f ' (1), then g(x) is equals to :- ( ...

Prove that a point charge CANNOT be in the state of stable equilibrium in an electrostatic field!! ...

3) A particle is projected with velocity 2(gh)^1/2 so that it just clears two walls of equal ht. h at a dist. Of 2h from each other. Find time of passing of particle between two walls. ...

HELLO GUYS!!! i would like to start this thread where everyone is free to contribute sensible topics and their analysis that is truly relevant for JEE 2010 .. i mean to say the things that we generally overlook, or areas wher ...

Please list mistakes in Arihant's Organic Chemistry's book here. I stopped in that book at few instances but was not sure whether I was right or wrong. So, if possible, please list it here. ...

prove that the orthocentre of triangle ABC with A(x1,y1) , B(x2,y2) and C(x3,y3) is H( \sum{} x1tan A/ \sum{} tan A , \sum{} y1tan A/ \sum{} tan A) ...

Major product?? *Image* ...

C I R C L E S 1 ) A circle S = 0 is drawn with its centre at (-1.1) so as to touch the circle x2 + y2 - 4x + 6y -3 = 0 externally. Find the intercept made by the circle on the coord axes ? ...

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*Image* RR' is a road on which Powerplant P has to be constructed. There are two villages A & B on same side of the road. Find the optimum location of poweplant P such that wiring cost i.e. PA+PB is minimum. Note: You sho ...

A sphere is rolling on the rough surface without any slipping at the contact point. Find the radius of curvature of the trajectory of the point which is at R/2 just above the center... i don't know why i messed this [2] ...

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We know that for any gas, the volume as well as the pressure of the gas is directly proportional to temperature, so accordingly they should also be proportional to each other. But in reality, the exactly opposite thing happen ...

Does any body know the "Extra Force Method" to solve the spring pulley system. And also I want to know if there is any other method to solve pulley problems(system containing a no of pulleys). if yes then plz tell me..... ...

crotonaldehyde(CH3CH=CHCHO) and Cinnamaldehyde (C6H5 CH=CHCHO) give aldol condensation na ...

Suppose a_1, a_2, a_3,...,a_n are n real numbers It is obvious that if the ai are all positive, then the numbers \sum a_i, \sum_{i<j} a_i a_j \sum_{i<j<k} a_ia_ja_k,..., \prod_{i=1}^n a_i will all be positive Prove t ...

is wurtz reaction possible with tertiary alkyl halides?? please explain ...

If 1,α1,α2,...,αn-1 are nth roots of unity , then value of (1+α1(1+α2)...(1+αn-1) ...

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which cant be used in beckmann rearrangemt a) TsOH b) R-SO2Cl c) BF3 d) Ph-Li ...