Recently Active Questions

If x, y are 2 independent variables, find rho(x,y) or R(x,y) ...

A disk and a rod are hinged together in the following two ways: 1)through a pin joint 2)through welding at the hinge point Given that in the first case the disk rotates with omega1 and rod rotates with omega2 .While in the se ...

WE KNOW THAT EARTH HAS -VE CHARGED PARTICLES SPREAD OVER ITS SURFACE AND IN THE IONOSPHERES AND OTHER LAYERS ABOVE THE EARTH'S SURFACE THERE ARE +VELY CHARGED PARTICLES DUE TO COSMIC RAYS THAT IONISE AIR . SO POTENTIAL DIFFER ...

1. There are 2 vectors, one in the horizontal direction and other is inclined at an angle of 600 with the vertical.The resultant is in vertical direction and has magnitude P units.The 2 vectors are: a)P,2P b)P,P√3 c)2P,P√ ...

A uniform cylindrical pulley of mass M and radius R can freely rotate about the horizontal axis O. The free end of a thread tightly wound on the pulley carries a dead weight A. At a certain angle α it counter balances a poin ...

If a1 and a2 are 2 non-collinear unit vectors and if |a1 + a2| =√3, then the value of(a1 -a2).(2a1 +a2) is: a)2 b) 3/2 c) 1/2 d)1 Plz show with steps as i dont know how to start.. ...

nowadays nishant sir, bhatt sir , kaymant sir seem to be inactive they might be having a tight schedule nowadays but sirs if u do hav a look at this thread, please post some problems for practice tnx in advance [1] ...

NO3- , CO32- , and SO3 are isoelectronic but only first two are isostructural. WHY??? EXPLAIN...... ...

Since i am in xi and our batch is the top batch so we were allowed to give the physics and chemistry part in a total of 4 hours time. I have score 124 marks in physics and chemistry together.(both first and second paper) guys ...

1. A stream of water issuing out from a top "neck down" as it falls. As the falling water crosses two levels separated by a vertical distance 'h', the cross sectional area of water decreases from a0 to a. Find the rate of flo ...

25. A rod of length L is held vertically on a smooth horizontal surface. The top end of the rod is given a gentle push. At a certain instant of time, when the rod makes an angle ∂ with horizontal the velocity of COM of the ...

Find the number of solutions of the equation | 1/|x| -1 | = x + sin(x) ...

In which of the following solutions effect of dilution will not take place?? (A) 100 ml 0.1 M CH3COOH with 50 ml 0.1 M NaOH (B) 100 ml 0.1 M CH3COOH with 100 ml 0.1 M NaOH (C) 100 ml 0.1 M CH3COOH with 50 ml 0.1 M NH4OH (D) 1 ...

a uniform rod of length 2L and mass M is kept vertically (along the Y axis) on a frictionless surface. its end point is at origin.. suddenly its end point starts sliding on the plane along the positive X axis..find the locus ...

A uniform electric field pointing in positive x-direction exists in a region. Let A be the origin, B be the point on the x-axis at x=+1 cm and C be the point on the y-axis at y=+1 cm. Then the potentials at A,B and C ...

why there is two focus in ellipse? ...

A sheet of uniform charge density σ n dimensions a x a . find the electric field n potential on an axis passing through the midpoint of the sheet and perpendicular to the sheet as a function of distance h from the midpoint ...

a particle of unit mass is projected with velocity u at an inclination α above the horizon in a medium whose resistance is k times the velocity. its direction will again make the angle α with the horizon after a time......? ...

∫ x2 + 20 / (x sin x + 5 cosx )2 ...

http://timesofindia.indiatimes.com/news/india/Class-XII-marks-may-play-key-role-in-IIT-entry/articleshow/4930705.cms CHENNAI: Marks scored in the Plus Two board examinations are likely to become a key determining factor in ad ...

hey guys... i have just 3 months left to prepare 4 iit....brilliant courses r taking away lot of my time.is it enuf 4 jee? i just want helpful tips 4m u guys on how 2 manage my time n study n crack da test.... ...

hey guysss....hw ws your test? hw much are you all expecting??(at least those who gave it)..welll i cud not revise much yaar...so managed to score around 160 only :( :(...but the paper was good..(physics was indeed very diffi ...

why is the total number of real numbers equal to thenumber of numbers between 0 n 1?? ...

A particle of mass m is placed on vertical fixed circular track and then it is given velocity v vertically downward at top most posn. on track . If block moves on track with constant speed then what is work done from top most ...

NOT A DOUBT! :D is it possible to have a QUADRATIC equation of the form (a+1)x2+2(a+1)x+(a-2)=0 to have 2 equal roots? is the same possible for the eqn (a-1)x2+2(a+1)x+(a+1)=0 if yes then find values for a in both cases and i ...

Q1)Solve: 4x - 3(x-1/2)= 3(x-1/2)-2(2x-1) Q2)If (1-p)is the root of quadratic equation x2+px+(1-p)=0.the the roots are?? Q3)Inthe proof of common roots it is given for eq1:aα2+bα+c=0 eq2:a'α2+b'α+c'=0 by cross multiplying ...

which force is used to pull the pressure in vacuum cleaner? ...

Q>The equation f(x)=0 has 8 distinct real solutions & f(4+x)=f(4-x) then sum of all 8 solutions of f(x)=0 are- a>12 b>32 c>16 d>15 Please describe the solution. ...

*Image* ...

eliminate θ from the foll eqns.: cosecθ - sinθ = m secθ - cosθ=n i couldnt do this! :( ...