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*Image* plz tell the horizontal forces acting on any one of the boy ...

how to find velocity of electron around a uniform positive charge wire where linear charge is lamda ...

If β is a root of the eqn--- zn + 2zn-1 +3zn-2+18n + 12=0 which lies inside the circle |z|<=1 . Then 3|β| > a.2 b.1 c.3 d.0 ...

Found somewhere.. very good problem, check how trivially you can give answer..... Is there an infinite matrix Amn such that limn→∞ amn=0 for every m and limm→∞ amn=1 for every n ? ...

for 2 coherent sources , I net =(√I1 + √I2)2 wen path diff = 0 now take these 2 and separate them like interference exp , you get max , min but avg intensity remains I1 + I2 now if u put these 2 sources together , ...

1) It has been calculated tat the force of attraction bet the moon and the sun is twice as tat of moon wit the earth. Then why does the moon not revolve around the sun? 2)Suppose the moon and sun are on the same side of a par ...

Two swimmers can swim 10m/s and 12 m/s in placid water A river is flowing at the rate of 15m/s a) What is the minimum time difference for them to cross the river? b) If both cross the river in the same time, what is the minim ...

is it so that the whether we write units of a quantity as either m/s2 or rad2m/s2 ...bothe are same. is it so??????? ...

Two finite sets have m and n elements respectively. The total number of subsets of first set is 56 more than the total number of subsets of the second set. the values of m and n respectively are_____________ ? show me the sol ...

in HCV(circular) exercise q.no.23 why don we take tension on the kids ...

SOLVE HCV-1 PG-115 Q.19(C) ...

100 - 100 --------------- = ??? 100-100 any studs trying dis sum??plz think hatke!!!! ...

http://www.goiit.com/posts/list/about-iits-and-jee-truth-of-iitjee-2009-925693.htm ...

Acetanilide on nitration followed by alkaline hydrolysis mainly gives ...

Q 1 litre of a mixture of He and CO2 diffuses in 10 minutes under similar condition. If 1 litre of Helium diffuses in 5 minutes. Then the composition of Helium and CO2 in the mixture is 1) 70 : 30 2) 35 : 65 3) 50 : 50 4) 25 ...

\frac{x^{4}}{(x-1) (x+1)^{2}} = (x-1)+ \frac{2x^{2}-1}{(x-1)(x+1)^{2}} [3] please show the divison process .. when num was divided by denom.. got the 2nd step.. pls show step wise how it occured ...

hey guys i wanted N piskunov calculus book... i downloaded 1 from 4shared.com but it is Russian..can sum1 giv me a link for ENGLISH piskunov.. ...

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ok lets have sum fun in number thoery with some questions. here is first one 1] let x and y be positive integers such that xy divides x^{2}+y^{2}+1 . show that \frac{x^{2}+y^{2}+1}{xy}=3 ...

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can anyone tell me what was the cutoff last year? ...

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In the past 2 years i met different people , some with very strange habits like writing all formulae 15 times bfore they can sort of remember it etc..... But one of the most common habits of many of my friends which i came ac ...

Find the number of quadratic polynomials ax^2+bx+c which satisfy the following simultaneously: (a) a,b,c are distinct; (b) a,b,c\in \left\{ 1,2,3,4.............. 2009\right\} ; (c) (x+1) divides ax^2+bx+c ...

Find all positive integral solutions (a,b,c) to the equation (a+1)(b+1)(c+1)=2(abc + 1) ...

Which is a wrong assertion about the effect of temp. on distribution of mlecular speeds a)the area under the curve of temp vs kinetic energy of particles changes b)the distribution becomes broader c)the fraction of molecules ...

*Image* please give the IUPAC nomenclature a)ethyl methyl p-amino benzoic acid b)4-(ethyl methyl amine) benzoic acid ( just two options accha hai na ...

a survey shows that 63% indians like cheese and 76% like apples.% of people who like both is a)39 b)63 c)[39,63] d)none ...

a particle has 2 velocities of eqaul magnitude inclined to ecah othr at an angle @ if one of them is halved the angle betwn d othr and the original resultant velocity is bisected by d new resulatnt then @ is ??? ...

show that the least perimeter of an isosceles triangle in which a circle of radius 'r' can be inscribed is 6√3r...???? ...