Last 100 Pinked Posts by Subash
39 Days 553/28·Daily Graph 16-01-09: y=(x3-1)/(x-1)
I am giving an easy one this time because to the tougher ones no one is getting a solution ;) 435 Days 126/3·pls hlp!!!!!!!!!!!!!!!!!!..: a particle moves in the xy plane with velocity v= ai + bxj a and b being constants.
at t=0 particle was at (0,0).. find
(a) the equation of the particles trajectory
(b) the curvature radius as a.. 462 Days 189/14·Vectorrrrr: [image]16085305.jpg[/image]
470 Days 437/28·simple yet good .. : An infinite plane inclined at an angle θ to the horizontal . A point mass m is placed on the plane at very large height .
the mass is given a push with 'v' velocity in the horizontal direction a.. 477 Days 135/15·TEST Q: Q1 A heavy body of mass 10 kg is to be dragged along a horizontal plane(μ=1/√3).The least force required is
a) 50/√3 N
b) 100/√3 N
c) 50 N
d) 100 N 480 Days 194/15·rotation conceptual: The angular velocity of the wheels of a scooter is directly proportional to the petrol input.The scooter is moving on a frictionless road with uniform velocity. If the input is increased by 50%,what i.. 481 Days 110/11·MATRICES: The number of matrices which we can from using 10 distinct real numbers is ______ 485 Days 239/26·Some doubts.!: 1) The value of 50C6[/ss] - 5C1[/ss].40C6[/ss] + 5C2[/ss].30C6[/ss] - 5C3[/ss].20C6[/ss] + 5C4[/ss].10C6[/ss] is
2) The minimum value of http://codecogs.izyba.com/gif.latex?%288x%5E%7B2%7D+y%5E%7B.. 486 Days 129/8·kinematics: If the time taken by a aparticle sliding down a smooth inclined plane is twice of that it would take if it would have fallen down through the vertical height of the inclined plane.What is the inclinat.. 486 Days 129/10·Mechanics DOUBT in data g..:
DONT V NEED VALLUE OF μ TO SOLVE THIS UN??
*pl. bear wid poor picture quality
[image]13992835.jpg[/image]
488 Days 168/12·another good qn...: find the no of ways...in which 18 identical balls can be used in 15 different cricket matches 490 Days 212/16·IIT JEE Past Question Tri..: Sides a,b,c of a triangle ABC are in AP
http://codecogs.izyba.com/gif.latex?%5Ccos%28%5Ctheta_1%29%3D%5Cfrac%7Ba%7D%7Bb+c%7D[/im],http://codecogs.izyba.com/gif.latex?%5Ccos%28%5Ctheta_2%29%3D%5Cfra.. 490 Days 129/10·reasoning: [image]13621192.jpg[/image] 490 Days 121/7·Circumcenter Fir se........: Now can sum1 figure out 4 me Wer does this genral form cumk frm??
Read 14, 15 together.....
[image]13666903.jpg[/image]
[image]13666979.jpg[/image]
491 Days 351/38·chalte chatle questions: chatle chalte ye sawaal bhj dekhe:
q1)the graph of y=f(x) is symmetrical abt the lines x=1 and x=2,then
a)f(x+1)=f(x)
b)f(x+2)=f(x)
c)f(x+3)=f(x)
d)none
q2)lim x->oo[/ss] ( (x+5)tan-.. 492 Days 249/3·IIT JEE questions past At..: The Schorodinger wave equation for hydrogen atom is
ψhttp://codecogs.izyba.com/gif.latex?%5CPsi_%7B2s%7D%3D%5Cfrac%7B1%7D%7B4%5Csqrt%7B2%5Cpi%7D%7D%5Cleft%28%5Cfrac%7B1%7D%7Ba_0%7D%20%5Cright%.. 493 Days 419/28·Finding the limit:: For http://codecogs.izyba.com/gif.latex?f[/im] continuous on http://codecogs.izyba.com/gif.latex?%5Cmathbb%7BR%7D[/im], find the limit:
http://codecogs.izyba.com/gif.latex?%5Clim_%7Bh%5Cto%200%7D%5Cd.. 497 Days 277/26·try :) :P :( :O ;): if p is the perepndicular distnce of an angular point of cube of each side to 47 from diagonal wich does nt pass thru that angular point ,then 3p^2 is equal to ?? 497 Days 138/14·Daily Graph 21-03-09: No credits without explanation of this one..
(x2+y2-2)(xy-1)<0
draw the graph! 497 Days 283/13· Plz help.... Guide me to..: I am in XII(just passed XI). I wasted whole year and got less marks both in boards and JEE(coaching inst tests). I had 2 months holidays now... I want to complete physical chem and mechanics thoroughl.. 497 Days 190/12·sequence series: if a1[/ss],a2[/ss],a3[/ss]..............an[/ss] ar n postive numbers in arthmetic progression with common difference d≠0 and
sn[/ss]= http://codecogs.izyba.com/gif.latex?%5CSigma[/im] r=1 to n a.. 498 Days 557/31·help ur juniors :): hi!!!!! everyone.............. pls post ur suggestions , tips......
anything & everything which is helpful to ur juniors.
I hope every one will contribute ........ & help others not to repeat the sa.. 503 Days 175/10·24-01-2009 Find the flux..: This one is a sitter ;)
radius of Earth = 6 378.1 kilometers
The Area of India is 3,000,000 Km2
A charge Q=1 Coulomb is uniformly distribute over the earth's volume
The Flux Through Indi.. 504 Days 283/21·probability: There are 9 books on the shelves A,B,C.
We are searching for the probability of that there are 2 on A, 2 on B.
If the books are same, what is the probability?
If the books are different, what .. 507 Days 117/6·SIMPLE YET IMPORTANT: Why cannot we use the ampere's circuital law while finding the magnetic field of a wire of finite length? Though we can very easily use it when the wire is of infinite length. 509 Days 184/19·STUPID 1 : [image]11918259.jpg[/image]
WHICH 1 REACHES THE GROWND FASTER X OR Y[SORRY THIS IS VERY STUPID]
518 Days 158/17·int: [image]11164264.jpg[/image] 524 Days 181/16·SPIDER AND ANT: At t=0, an ant is at(-1m.0m) & a spider is at (1m,0m). The ant starts walking counterclockwisealong the unit circle,& spider starts creeping to the right along the X-axis.
The ant"s horizontal speed .. 531 Days 165/11·Valentines Day!!: hey why is no one celebrating on this I know many of us are non valentines but the day is a good one and we all love someone or the other in our hearts so CHEERS I start this on a pure note with the.. 532 Days 113/7·equivalent capacitance: 15 identical capacitances , each of 1μF are connected in a hexagonal network ABCDEF such that each vertex is connected with each of the others directly by 1μF .The capacitors and the wires in the ne.. 532 Days 207/11·Daily Graph 13-02-09: (x2-1)(x-1)2+(y2-1)2=0
It looks real dangerous. but will be a good practice for a lot of you. 534 Days 130/13·quadratic: If the roots of the equation x2+ax+b=0 are c and d, then one of the roots of the equation x2+(2c+a)x+c2+ac+b=0 is ???
a)0
b)-2c-a
c)d-c
d)None of these 538 Days 113/7·Simple ques on integratio..: find dy/dx at x=e, y=e2x/logx
a) (e-1)e2e/e
b) o
c) 1
d) (e2-1)e2e/e
plz gv itz soln also
itz a ques from some test here bt i cldn't solve it,so plz help.....................
srry itz de.. 540 Days 127/9·just get me the moment of..: i was doing a qeustion in shm and i am stuck up here..........plz find moment of inertia about point P (pivot point)
[image]9357369.jpg[/image]
Semi circular wire. 540 Days 105/7·p & c: find the number of ways in which the digits of the number 125453752 can be rearranged such that no two 5's come together ????? 540 Days 131/8·three methods interesting..: A lady desires to give dinner party for 8 guests. In how many ways can the lady select guests for the dinner from her 12 friends, if tow of the guests will not attend the party together??? 543 Days 200/9·CONIC : MULTIPLE OPTIONS CORRECT
The equation x2 + 2xy + x - 3 - y + y2 = 0 represents a conic with
(A) eccentricity 1 (B) vertex (1.5,-1.5)
(C) axis as x + y = 0 (D) length of latus rectum.. 549 Days 120/7·Intresting question: [image]8579424.jpg[/image]
[image]8579439.jpg[/image]
[image]8579452.jpg[/image] 550 Days 151/10·It may be toooo easy for ..: if i1[/ss],r1[/ss],r2[/ss] are angle of incidence,reflection and refraction,then calculate critical angle of medium........
[image]8409891.jpg[/image] 552 Days 219/16·23-01-2009 Proof of LH R..: Give the proof of LH rule when f(a)=0 and g(a)=0
f(x) is the numerator and g(x) is the denominator...
Trust me it is not very difficult..
Use the basic definition of Derivative...
(So.. 560 Days 211/19·easy one !!: I tore several successive pages out of a book. The number of the first page I tore was 183 while the number of the last page was written with the same digits in some order. How many pages did I tear o.. 561 Days 136/4·Find.........: What is the coefficient of x65 in the expansion of (1+x)131(x2-x+1)130. 566 Days 168/5·11th January 2009: What is the number of flux lines passing through the following square arrangement...
There is a square sheet of side 1 placed such that 2 of its sides are along the +ve x and +ve y axis.
A c.. 566 Days 113/6·integration: integrate wrt x
sqrt(sinx)cos^5x
in the limits 0 to pi/2 573 Days 203/18·give the answer first..: A pendulum bob (mass m)at its mean positon is given velocity v=[sqrt]7gl/2[/sqrt] .Calculate the height at which it leaves circular path..
Just give the answer first,,,I want to confirm mine... 575 Days 161/10·photo electric effect: Can the electron involved in photoelectric effect be a free electron? Answer with reason 575 Days 157/6·another one: A number of six digit numbers are written down at random.Probability that sum of digits is even is