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A heavy body of mass 10 kg is to be dragged along a horizontal plane(μ=1/√3).The least force required is ...

will anyone explain me the limit of sequence? ...

1) A spectroscopic instrument can differntiate 2 close wavelengths λ and λ+Δλ if λ/Δλ = 8000. The instrument is used to study spectral lines of balmer series of hydrogen. find approx how many lines are distinguished by ...

A problem of statistics is given to 3 students A,B & C whose chances of solving it are 1/2,1/3 & 1/4 respectively.what is the probability that the problem is solved? The answer is given 3/4 ...

*Image* specifics ; radius = 5 cm u (coeff) = 0.8 ...

f:\bf{R}\to\bf{R} \;\;, f(x) is a function satisfying f(x)+f(x^2)=2 \;\; \forall x \in \bf{R} , then f(x) is : a) into b) many one c) constant d) periodic Morethan one! ...

I.184 A chain AB of length l is located in a smooth horizontal tube so that its fraction of length h hangs freeely and toches the surface of the table with End B. At a certain moment the end A of the chain is set free. With w ...

the relative humidity of air at any day is 50% and saturation vapuor pressure at 300K is 3.6 kPa. the amount of water vapours pers litre of air at 300K is? ...

If ax2-bx+c=0 has two distinct roots lying in the interval (0,1), a,b,c(belong to) N, then log5abc= A)1 B)2 C)3 D)4 ...

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With IIT JEE nearing, I would like to ask everyone how are they approaching these. How are they consolidating their preparations and enything useful to share. It might be helpful for me. ...

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A horizontal disc rotates with a constant angular velocity w = 6.0 rad/s about a vertical axis passing through its center. A small body of mass m = 0.50 kg moves along the diameter of the disc with a velocity v' = 50 cm/s whi ...

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∫010 [sinxcosx+x2]/[ex+x3-x] ...

Q2 Let f(x) =1+2/x and ffffff.....f(x)=fnx then find the maximum number of real roots of fn(x) a) 0 b) 1 c) 2 d) 3 ...

f(x) is a function satisfying the following condition.... f(x)+f '(x)+f ''(x)+f '''(x) ...upto n terms....= xn where f '(x)=first derivative of x f ''(x)=2nd derivative of x and so on.... Find the value of f(x) + f '(x)/1! + ...

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If 2f(sinx)+f(cosx) = x for all real x, find the domain and range. ...

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can a cubic eqn. have three complex roots...!! I mean if there's 1 so there will be 2 can it be 3? if it can be... then look at this question, if b2 < 2ac, then prove that ax3 + bx2 + cx + d = 0 has exactly one real root. ...

\int_{0}^{2\pi} e^{\cos x} \cos({\sin x}) \; \mathrm{d}x ...

bleaching powder reacts with iodide ion according to the following unbalanced equation OCl- + I- + H+ --------> I2+Cl- + H2O A 0.6 gram sample of bleaching powder requires 35.24 ml of 0.1084 N Na2S2O3 to titrate the libera ...

An excited atom of mass m and initial speed v emits a photon in its direction of motion. If v << c, show that the frequency of the photon is higher by \frac{\Delta f}{f} \approx \frac vc , than it would have been if the ...

If sin(a+b)sin(a-b)=sin c (2sin b+sin c) , 0 <a,b,c < Pi, then the family of lines xsin a+y sin b+ sin c = 0, passes through the fixed point? ...

q) Given k1 = 1500 N/m, k2 = 500 N/m , m1 = 2kg and m2 = 1kg. Find (a) potential energy stored in the springs in equilibrium, and (b) work done in slowly pulling down m2 by 8cm. *Image* the image is not clear i knw... but jus ...

\hspace{-16}$If $\mathbf{a,b\in \mathbb{R}}$ and $\mathbf{a\neq b}$. Then Locus of all Complex no. $\mathbf{z}$ which\\\\ Satisfy the equation. $\mathbf{\mid z-a \mid^2-\mid z-b \mid^2=1}$ ...

*Image* i am getting 6 answer given is 2 ...

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