-
Q1.A string of bob is attached to a block kept on frictionless surface (bob is hanging ) an impulse is imparted to bob to give it velocity v0 describe motion of block. ...
-
*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 ...
-
I KEPt THE NAME OF THE QUESTION AS SUCH BECAUSE I WILL KEEP ON POSTING MY QUESTIONS IN THIS TAG ONLYYYYYYYY I WILL ADD NEW QUESTIONS DAILYYYYYYYYYYYY whats more than organic in chemistry.. so i will start with that 1]Convert ...
-
Yesterday Philip was frustrated at the lack of gud problems...I am posting some for everyones practice..........2009 aspirants should solve them and put up solutions here for 2010 students to learn............. Some might be ...
-
PLS ATLEAST HAVE A LOOK CALCULUS BEGINNERS http://www.plu.edu/~heathdj/java/calc1/Epsilon.html ...
-
A heavy, flexible, inelastic chain of length L is placed almost symmetrically onto a light pulley which can rotate about a fixed axle, as shown in the figure. *Image* What will the speed of the chain be when it leaves the pul ...
-
What is the maximum angle to the horizontal at which a stone can be thrown and always be moving away from the thrower ? the interesting thing is all over projectiles i never thought of this as a problem ;) ...
-
If a capillary tube is dipped in a liquid of density \rho with surface tension \alpha , what is the amount of heat evolved? Take the contact angle to be \theta . ...
-
ΣΣ(r+s)(Cr+Cs+CrCs) 0≤i<j≤n ...
-
Four snails travel in uniform, rectilinear motion on a very large plane surface. The directions of their paths are random, (but not parallel, i.e.any two snails can meet), but no more than two snail paths can cross at any one ...
-
*Image* ...
-
Q1. The electric field is given by the expression E=c/x3 where c is a constant. Find the potential at a point P as a function of x. i.e. find V(x) Q2. If there is a cavity in a conductor and no charge is placed in the cavity, ...
-
Find all pairs (x, y) of integers such that x^3 - y^3 = 2xy + 8 ...
-
starter If two protons are moving at a speed v relative two you through space in the same direction and are separated by a small distance, you will see them exert a magnetic force upon each other, because they are essentially ...
-
A point-like electric dipole (dipole moment = p) is kept at the origin, pointing along the +z direction. A point charge q having mass m is released at rest from a point on the xy plane at a distance R from the origin. Assumin ...
-
Find out the remainder of 19^{92}/92 ...
-
the figure shows an infinite arrangement of equilateral triangles........the resistances on each half of a side of a triangle goes on becoming (1/2) as the arrangement delves inside...........you have to find the equivalent r ...
-
Let f be a continuous function on [0,1] such that for all x\in[0,\,1] , \int_x^1 f(t)\ \mathrm{d}t \geq \dfrac{1-x^2}{2} Prove that \int_0^1 f^2(t)\ \mathrm{d}t \geq \dfrac{1}{3} Here, f2(x) means (f(x))2. Also, determine the ...
-
A tree trunk in form of a cylinder of radius R lies on a horizontal field. A lazy grasshopper wants to jump over it. What minimum launching speed will suffice for it? Assume that the air resistance is negligible and that the ...
-
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 ...
-
show that 6!5! is a divisor of (6!)! ...
-
This is a simple one... if you dont get scared Prove that 1/1 + 1/2 + 1/3+ 1/4..... this sum is not finite.. (as n goes to infinity) ...
-
Find the greatest no in 300! and 100300 ...
-
\frac{d^2y}{dx^2}(x^2+1) = 2x\frac{dy}{dx} Solve for y ...
-
There is a square of side 1. remove a square from the vertex keep repeating till you get a pattern like in the image.... *Image* now if you move from one vertex of the square to the opposite one, then the length traversed is ...
-
Q 1) Prove that f(x)=\frac{x^7}{7}-\frac{x^6}{6}+\frac{x^5}{5}-\frac{x^4}{4}+\frac{x^3}{3}-\frac{x^2}{2}+x-1 has exactly one real root Q 2) In 1 hour a snail travels 60 meters. Prove that there was an Interval of 10 minutes w ...
-
It all started with b555's classic integration siikho thread..and now nishant sir started some more threads on it.... I ma starting one small on inequalities..A lot of inequlaities thread are already there on site..I know tha ...
-
1) A solution of 0.2 gm of a compound containing Cu2+ and C2O42- ions on titration with 0.02 M KMnO4 in the presence of H2SO4 consumes 22.6 ml of the oxidant. The resulting solution is neutralized with Na2CO3, acidified with ...
-
sorry posting almost when day is over :P 1)Calculate the concentrations of the non-ionised acid of the ions in a 0.1 M formic acid at equilibrium. ( Ka =1.7* 10^-4) 2)A certain weak acid has Ka=10^-4 Calculate the equilibrium ...
-
I dont know how many times this one has been discussed here.....but the reason for posting here is that I just found 2 good solns to this one..... Find resistance b/w A and B *Image* Lets see who posts all 3.... Start with th ...
