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what is a nodal plane ...

This is very very Interesting question and will make you think! (Hopefully) Even if you dont get the complete solution.. do post the partial ones.... An are sets for all n's (integers!) The property they follow is that th ...

solve fr x and y xy=2x-y solve for x and y. x and y are integers ...

A body of mass m is pushed with an initial velocity v up an inclined plane of inclination θ.The co eff. of kinetic friction is μ. Find the work done by friction during the upward motion of the body. ...

*Image* An infinitely stretchable rubber band has one end nailed to a wall, while the other end is pulled away from the wall at the rate of 1 m/s; initially the band is 1 meter long. A bug on the rubber band, initially near t ...

Block A is of mass 30kg & block B is of mass 5kg. if μ kinetic friction between the inclined & block A is 0.2, determine the speed of block A after it moves 1m down the plane, starting from rest. *Image* ...

A block of mass 50kg is released from the position of rest at which the spring is under a tension of 45N. Find the velocity of the block at a position when its displacement is 150mm. *Image* ...

in s.h.m is it necessary that at mean position , potential energy is zero. A cart of mass 2 kg is attached to one end of a horizontal spring with force constant k= 150 N/m. the cart is displaced 15 c.m from its equilibriu ...

Well Guys if you are wondering what suddenlty when wrong then this is the answer: A stupid person called Nishant Sah (U may not know him!!) Was doing some crap on the database of this site.. He blew up everything that was don ...

What is the value of *Image* *Image* Find I1 - I2 (Given N is any " REAL Natural NUMBER" greater than 1! Well well i thought to give a Real number.. then i thought that it would become a bit too dirty to calculate... ...

4. Find the coefficient of x^n in the expansion of (1+x/1!+x^2/2!+ ...........x^n/n!)^2 ...

Kindly post here the dates of registration n other details of all upcomming olympiads.... ...

The radical center of three circles described on three sides of triangle as diameeter is............... ...

I know many of you would've done this problem before still i thought it would be fun to check your presence of mind(not knowledge in coordinate!!!!) Assume an arbitary st. line cutting a hyperbola (assume x2/a2-y2/b2= ...

*Image* Why diz compund is named as α-D-glucopyranose. i just want to know that, what is the significance of 'D' ? ...

please anyone explain this problem three points are located atthe vertices of an equilateral triangle whose is a.They all start moving simultaneously with velocity v constant in modulus,with the first point heading for the se ...

THIS IS URGENT PLEASEEEEEEEEEEE REPLY I WANTED TO KNOW WHETHER I HAVE TO BUY FIITJEE 1 YEAR MATERIAL(I AM IN XI) IHAVE PHYSICS:1.HC VERMA 2.HALLIDAY 3.IRODOV CHEM: 1.RCM 2.UNIVERSITY CHEM 3.MORRISON MATHS: 1.SL LONEY 2.ML KNA ...

Numbers are selected at random one at a time,from the numbers 00,01,02,...99 with replacement.An event E occurs if and only if the product of the two digits of a selected number is 18.If 4 numbers are selected ,then the proba ...

area of the greatest rectangle that can be inscribed in ellipse x2/a2+y2/b2=1 ...

wht is a polytropic process n how to usse it...plz explain!! ...

The equation of largest circle passing from (1,1) and (2,2) and always in first quadrant........... ...

Origin is limiting point of coaxial system of which x^2 +y^2 -6x -8y +1=0 is a member.The other limiting point is ..... ...

It is given that : f(x+2)-5f(x+1)+6f(x)=0 Find f(x) ?????????????? ...

the circles (x-a)^2 +(y-b)^2 =c^2 and (x-b)^2 +(y-a)^2 =c^2 touch each other....then a=____ ...

3.20 Figure 3.23 gives the x-t plot of a particle executing one-dimensional simple harmonic motion. (You will learn about this motion in more detail in Chapter14). Give the signs of position, velocity and acceleration variabl ...

If point(x,y) is called a lattice point if x,y belong to set of integers.Then total number of lattice points in the interior of circle x^2 +y^2= a^2 :a not equal to zero , are............ ...

The values of @ for which x^2 +y^2 +6x+5 +@(x^2 +y^2 -8x +7)=0 dwindles into a point is ........... ...

3.18 A police van moving on a highway with a speed of 30 km h–1 fires a bullet at a thief’s car speeding away in the same direction with a speed of 192 km h–1. If the muzzle speed of the bullet is 150 m s–1, with what ...

Example 3.4 A ball is thrown vertically upwards with a velocity of 20 m s–1 from the top of a multistorey building. The height of the point from where the ball is thrown is 25.0 m from the ground. (a) How high will the ball ...

find sum *Image* ...