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A 2 kg block slides on a horizontal floor with a speed of 4m/s. It strikes a uncompressed spring, and compresses it till the block is motionless. The kinetic fricion force is 15 N and spring constant is 10,000 N/m. The spring ...

{x}x2= y ...

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i have a doubt that why does maximum appers at asinθ = (n + 1/2)λ ?? please yaar koi batao and why intensity decreases ... as n increases .. ...

A radius vector of a particle varies with time r=at(1-αt) where a is a constant vector and α is a positive quantity The time interval Δt taken by the particle to return to the initial points, and the distance s covered dur ...

At vertices of a convex polygon with 2n sides, sit hunters. while in its interior and not on any diagonal,sits a fox. The hunters shoot at the fox all simultaneously, but the fox ducks. the bullets hit the sides of the polygo ...

find out ∫ x2 e-ax3 dx actually i have to use this integration to solve a question of physics i haven't yet, gone through calculus so please dont give any direct solution . it would be better if you use any kind of substitu ...

Q64) A five digit number divisible by 6 is to be formed using the numbers 0,1,2,3,4,5 without repetition. The total number of ways this can be done is a) 216 b) 120 c) 108 d) none of these ...

a massive sphere is fitted into a light rod. when will the rod fall faster; is it is placed vertically on end A or end B ?the end of the rod on ground des not slip *Image* ...

solution containin 3.24g of non volatile solute non eltorlyte and 200g water boils at 100.130 at 1atm wats d molclr mass of solute we dnt hav Kb na hw 2 do then i 4gt :'( ...

players1,2,3,........n are seated around a table, and each has a single penny. Player 1 passes a penny to player 2, who then passes two pennies to player 3. Player 3 then passes one penny to Player 4, who passes two pennies t ...

Refractive index of the ionosphere is:_ a)0 b)les than 1 c) one d) more tahn one ...

Please note that this time, FIITJEE has given rank predictor on their home page. The compiled Ranks and Marks table as per FIITJEE site is given below. Rank Range (Marks Range) 1 - 20 (+++ ... 380) 21 - 100 (379 ... 330) 101 ...

http://news.bbc.co.uk/2/hi/science/nature/8013343.stm ...

When u lift a box from the floor and put it on an almirah the potential energy of the box increases,but there is no change in its kinetic energy. Is it a violation of the conservation of energy ? ...

A balloon is filled with CO2 , then for sound wave this will behave as a:- a)converging len b)diverging lens c)both of theaove d)none of the above ...

your xamination last for 3.5 hrs hw long will an observer movin at v=.8c ..........say it last ?? ...

Tell me why this is said?---explain "In case of stable equilibrium,the centre of mass goes higher on being slightly displaced.For unstable equilibrium it goes lower and for neutral equilibrium it stays at the same height." ...

The centre of the smallest circle containing the circles x2+y2=4 and (x-8)2+y2=16 is ...

solve for x, min {2x+3, 4x2 } > 42x-1 ...

If f(x) = 2x + |x|, g(x) = 1/3 (2x - |x|) and h(x) = f(g(x)), then domain of sin-1(h(h(h(h........h.h(x)........)))) { in brackets.. h(x) is n times} is: a. [-1, 1] b. [-1, -1/2] U [1/2. 1] c. [-1, -1/2] d. [1/2, 1] ...

a charged sphere A of radius r is placed concentrically inside a conducting spherical shell(B) of radius R (R>r). A charge Q is given to A and then A and B are joined by a metal wire the charge flowing from A to B will be ...

detrmine d max wavelngth that wud b absored by hydrogen like atom z=3 consider most ordinary condition ...

two bubbles of radius r1 and r2 coalses to form a enw bubble of radius R .....under isothrmal conditions thne wat s d value of R ?? ...

Ionisation energy-It is the energy required to remove an electron from an isolated gaseous atom. Here,what is the meaning of "isolated gaseous atom"?????? ...

For each reaction, predict which compound would react faster? THESE ARE FOR STARTERS ONLY !!!!! *Image* *Image* ...

ie To find the ratio of Cp to Cv... If n1 moles of a gas having γ1, and n2 moles of a gas having γ2 are mixed , then what is the value of γmix The formulae given was => n1+n2 = n1 + n2 --------------- ------------- ---- ...

Part 1 1. sin 50 - sin 70 + sin 10 = ?? 2. 5 cosθ + 3 cos(θ + Π/ 3 ) + 3 lies in the interval................. 3.The circle 1 bisects the circumference of the circle 2...for wat value of K?? c1 : x^2 + y^2 -6x -4y +k=0 c2 ...

Heloooo I am absolutely depressed and devastated ........that was the main reason I wasnt online for so many days....... I am getting around 260 marks in JEE.......which is way below my expectations of 340-350.... .that means ...

R arihant ebooks available on d net ?? does ne1 have d links..??? ...