Recently Active Questions

A large conduction plate has surface charge density = 1*10-4C/m2. Find the electrostatic potential energy stored in a cubical volume pf edge 1.0 cm in front of the plate... ...

WHAT ARE ORGANO P-S COMPOUNDS ...

*Image* ...

*Image* ...

A simialr ques on area was posted a few days back..here is another one f(x)=\sin x g(x)=\begin{Bmatrix} (max f(t),0\leq t\leq x) &0\leq x\leq \pi \\ (1-\cos x )/2& x> \pi \end{Bmatrix} Discuss continuity and differentiabli ...

I was amazed by this solution... Never saw this trick.. I hope this helps some of you... I =\int\frac{x^{2}}{(x\sin{x}+\cos{x})^{2}}dx Before giving the complete solution... Let me give this hint so that some of you can apply ...

1)Is there any short cut method to solve this prob: If f(x)=x+1/x, find f[f{f(x)}] 2)Can anyone show me the graph of cos√x? ...

Pls solve the following for me.Or if they are too big then at least give some proper "user-friendly" hints.(solve the 3rd one first--its i think is easy n urgently reqd) 1)Find the sum of the intercepts on the axes of coordin ...

x cosx dy/dx + y(x sinx + cos x)=1 ...

wat will be the fbd of a body which is in the state when it is going to falll and if there is a heavy cubical body kept over a big body then the down body is moved its a frictionless surface than a point the tym comes when is ...

a ball of mass m1 experiences a perfectly elastic collision with a stationary ball of mass m2 what fraction of KE does the striking ball lose,if a)it recoils at right angle to the original direction of motion,and b)the collis ...

Find the greatest no in 300! and 100300 ...

An ex-goiitian and present iitian is an orgainizer for an online math competition named Shaastra. The first question is a nice inequality: If x,y,z \in \mathbb{R^+} are such that x+y+z = 9(xyz)^{\frac{2}{3}} prove that \frac{ ...

sorry to do this but i was not able to to write the bmat 1 test as the enrolment process got delayed moreover i am very weak in mechanics which was included in dis test .This is haunting me and i am beginning to doubt myself ...

solve for x (1/2)x+(√3/2)x=1 ...

*Image* the plare area is A.....dielectric constant is K released from rest wid a l;ength a inside the capacitor nad length of the capacitor is L neglect air friction or gravbity.....fiund the motiion n if SHM find its time p ...

hey ppl./..wen we calculate the rate of propagation of energy(ie,power) across a moving wave.....we take only the sin component and say that sin \Theta = tan \Theta \Theta is very small and is equal to ∂y/∂x..... ie the f ...

*Image* ...

Q. What is GCSE courses? Q. Why the gun of longer barrel gives much velocity to the shell? A TRICK The victorians were fond of a parlour demonstration using inertia. A needle was fixed in the two ends of a broom handle and th ...

2 particles start together from a pt. O and slide down straight smooth wires inclined at 30° and 60° to the vertical plane and on the same side of the vertical through O. The relative acceleration of second w.r.t the first ...

When a dielectric is inserted in a parallel plate capacitor then how will the electric potential vary across the distance b/w the 2 plates? ...

Find the area enclosed by x3+y3-3xy=0 ...

ROH + bleaching powder -----> Phenol + CS2 ---> Phenol + CCl4 ----> for the 1st rxn i think the product will b aldehyde + CaCl2 +H20..pls confirm. ...

A channel 27m wide falls at a right angle to another channel 64m wide.the greatest length of a log that can be floated along the system of channel is,...... a.100m b.110m c.120m d.125m ...

*Image* Find charge that flows to the other plate when switch is closed. ...

Ques1) If f (3x-4 / 3x+4 ) = x+2 then show that ∫ f(x) dx is -8/3 log 3 |1-x| + 2/3 x +c Ques2) If ∫ x log (1 +1/x) dx = f(x) ln (x+1) + g(x) ln x^2 +Lx +c, then choose the correct alternative/s (a)f(x) = x^2 /2 (b)g(x) = ...

This one is very old and standard.. but good for those who dont know.... Prove that a function can be written as a sum of an even and odd function. (Also: What is the condition for this to be written as above!) ...

A charge q is placed along the diagonal coloured in red at 1/3rd the distance from the vertex marked (0,0,0) Find the sum of the electric flux through the bottommost and the topmost surfaces *Image* I came up with this questi ...

I am planning to prepare for olympaid therefore i would want some suggestions and tips. I even want to know which books to refer ...

A player tosses a coin and is to score one point for every head and one point for every tal.He is to play on until his score reaches or passes n.If Pn is hte chance of getting exactly n,show that Pn=(Pn-1+Pn-2)/2 . Also find ...