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A sphere of mass m held at a height 2R between a wedge of same mass and a rigid wall,is released from rest.Assuming all the surfaces are frictionless.Find the speed of both the bodies when the sphere hits the ground *Image* ...

can anyone suggest a website offering help in chemistry. i m very confused with this subject. ...

Find dy/dx. x2y +xy2=6 ...

A drinking straw of length 3a/2 and mass 2m is placed on a square table of side 'a' parallel to one of its sides such that one third of its length extends beyond the table.An insect of mass m/2 lands on the inner end ...

THE CIRCLE X2+Y2-4X-8Y+16=0 rolls up the tangent to it at (2+√3 , 3) by 2 units , assuming the x axis as horizontal , find the equation of the circle in the new position- ...

An Ice cube of mass 0.1 kg at 0 degree C is placed in an isolated container which is at 227 degree C. the specific heat s o fthe container varies with temperature T according to the empirical relation S=A+BT. where A=100cal/k ...

0.1 millimole of CdSO4 is present in 10mL acid solution of 0.08 N HCl.Now H2S is passed to ppt. all the Cd2+ ions.The pH of the soln after filtering off ppt,boiling off H2S and making the solution 100 mL by adding water is ap ...

Q.1 In how many ways can clean & clouded (overcast) days occur in a week assuming that an entire day is either clean or clouded. Q.2 Four visitors A , B , C & D arrive at a town which has 5 hotels . In how many ways can they ...

*Image* Ques no. 15 ...

number of permutations of taken all at a time such that the digit 1,2,3,4,5,6,7,8,9 appearing somewhere to the left of 2. 3 appearing to the left of 4. 5 appearing to the left of 6. eg 815723946 ...

A bird in air is diving vertically over a tank with speed 6 cm/s. Base of tank is silvered. A fish in the tank is rising upward along the same line with speed 4 cm/s. Water level is falling at rate of 2 cm/s. (Refractive inde ...

A bird in air is diving vertically over a tank with speed 6 cm/s. Base of tank is silvered. A fish in the tank is rising upward along the same line with speed 4 cm/s. Water level is falling at rate of 2 cm/s. (Refractive inde ...

Q) The point on the hyperbola x2/24 - y2/18 = 1 which is nearest to the line 3x + 2y + 1 = 0 is (A) (6,3) (B) (-6,3) (C) (6,-3) (D) (-6,-3) Acc. to me.. we take any point (asecθ , btanθ) on the hyperbola and find its perpen ...

if f(x)=loge x and g(x)=x2 and 4<c<5 then c log (425/516) is equal to (a) c loge5 - 8 (b) 2(c2 loge4 - 8) (c) 2(c2 loge5 - 8) (d) c loge4 - 8 ...

The molar specefic heat is given by C = 20+500/T (T is temperature).what is the work done by ideal monoatomic gas when it is heated from 200K to 700K? (*pls try without finding Q) ...

in adiabatic compression decrease in volume is assosiated with a)inc in temp n decre in pressure b)decr in temp n incre in pressr c)decre in both d0inc in both ...

*Image* A block is dragged on a smooth plane with the help of a rope which moves with velocity v shown in Fig. The horizontal velocity of the block is a)v b) vsinθ c) v/sinθ d) v/cosθ ...

If θ+φ=αAnd tanθ=ktanφThen prove sinα=sin(θ-φ)(k+1)/(k-1) ...

The equation x + frac{2}{{1 - x}} = 1 + frac{2}{{1 - x}}, has a) No real root b) One real root c) Two equal roots d) Infinitely many roots ...

in 1st round i am getting cse at iit tirupati should i go for it or wait for 2nd round ...

*Image* ...

prove : 1/4(a^2cotA +b^2cotB +c^2cotC) = S ...

I am stuck with L Hospital rule. Its not explained properly in my textbook. Please tell me how to find limits using this rule. ...

Prove that n*(n+1)*(2n+1) is divisible by 6, for any n>0 ...

A diatomic gas does 80 j of work when expanded isobarically. find the heat given to the gas during this process. ...

The answer is given as only transitive. Why? Can someone please explain ...

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Math teacher gave this mathematical expression!!!How i must it solve(x=????????)Help me please!!! x5=(133x-78)/(133x-78 x) ...

Find the sum of n terms and Sum to infinite terms of the Series - 1/4 + 1.3/4.6 + 1.3.5/4.6.8 + 1.3.5.7/4.6.8.10 +............. ...

What is the magnitude of magnetic field at centre O of loop of radius √2 m made of uniform wire when a current of 1 A enters in the loop and taken out of it by two long wire as shown ...