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Product of reaction of HO-CH2-CH2-CH2-CH2-OH with H+ is ??? ...
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*Image* A particle B of mass 0.6 kg slides down the smooth face PR of wedge A of mass 1.7 kg, which can move freely on a smooth horizontal surface.Show that:- (a) the acc of A is 3g/20 (b) the vertical component of the acc of ...
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1) Show that the least natural number a for which x + ax -2 > 2 for all x belonging to (0,∞) is 2. 2) Let f(x) = sinx+ax+b, then show that f(x)=0 has (a)only one real root which is positive if a>1, b<0 (b)only one ...
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if ∫ f(x) dx = i ( UL= b, LL=a) ∫ f( x - (1/x)) dx ( UL=b,LL=a) =? UL=upper limit LL=lower limit ...
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A horizontal force F=mg/3 is applied on the upper surface of a uniform cube of mass m and side a which is resting on a rough horizontal surface having co-eff. of friction = 1/2. The distance between the lines of action of mg ...
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when a ball is throw up,the magnitude of its momentum first decreases, then increases.dose this violate conservation of momentum principle? ...
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Q1. y=sin^-^1(2x\sqrt{1-x^2}) then dy/dx = (Find answer by trigonometric substitution)? My attempt: Let x=sinθ Then the given expression translates to y=2θ = 2sin-1x So, dy/dx = 2/ 1-x2 Let x=cosθ Then the given expression ...
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*Image* The velocity time graph of the figure shows the motion of a block of mass 1 kg which is given an initial push at t=0 along a horizontal table Show that (a) The coeff of friction b/w the block and the table is 0.1 (b) ...
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let a1,a2,......,an be a sequence of real numbers with an+1=an+(√1+an^2) and a0=0 find limit an/2^(n-1) n→∞ ...
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If x2+x+a=0 and x2+ax+1 have a common root, find the value of a.... (Give as many proof as possible) ...
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A square has tens digit 7.Find its units digit I want to learn the basic concept of this question more than just the answer :-) ...
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*Image* the spherical cavity is at distance a from the centerfield of solid sphere ..the gravitational field .inside the cavity is....... ...
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Ques1) What is required in order to maintain a steady current in a conductor? Ques2) What would happen to the drift velocity of the electrons in a wire and to the current in the wire if the electrons could move freely without ...
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whats the NAME for P4S10 AND P4S3 ...
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WHAT IS THE STRUCTURE OF CYANURIC TRIAZIDE ...
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why doesn't acetic acid respond to haloform test ?(you can also consider why acetamide and acetyl chloride don't respond to this test though all have keto methyl groups ) ...
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find the no. of nodes in 3p orbital ...
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Dipole moment in aromatic system can any 1 could explain? THANKS in advance ...
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1) Find the minimum of (a+b)4+(b+c)4+(c+a)4- 4/7 (a4+b4+c4) a,b,c are reals. 2) Solve the Diophantine equation for integers x3+2y3+4z3-6xyz=1 Beleive me, number 2 is really hard... ...
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Ques1) Show that one of the solution of the equation -x4+x2-P=0 where x belongs to (0,1) and P belongs to (0,1/4) is sin (1/2 sin - 1 2 √P). Ques2) Tangents are drawn to y = ax2+bx+c at (5,4) is parallel to x- axis. If a be ...
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*Image* Ques1) In the above figure, a smooth block loosely fits in a circular tube placed on a horizontal surface. The block moves in an uniform circular motion along the tube. Which wall (inner or outer) will exert a non zer ...
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If x2-2xcosα +1=0 and y2-2ycosβ+1=0 then what is the value of 2cos(α+β) ...
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If a<b<c<d , then the equation (x-a)(x-c) + 2(x-b)(x-d) = 0 has a)Imaginary roots b)equal roots c)distinst real roots d) none 2. If α is a root of a2x2 + bx + c=0 , β is a root of a2x2 -bx - c=0 and α<β , then ...
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In solid AB2 coordination number of of A is 8 .It has cubic closed packed lattice.Half of the atoms of B are removed. Find the number of tetrahedral holes(voids) remain filled ...
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integrate: ∫1/1+x^n ...
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*Image* Q1 Find the magnitude of velocity of piston as a function of time (if at t=0, points O,A,B were in straight line ) Q2 What type of motion is of point A on the flywheel ? Q3 Find magnitude of angular velocity of rod as ...
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*Image* ...
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Find equation of conjugate axis of hyperbola xy-3y-4x+7=0 ...
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Find the number of solutions of x6+x3-2=0 (Got this question today from a student) ...
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A right angle is divided in 3 parts, angles x,y,z..... Prove tanx+tany+tanz>1+tanxtanytanz..... ...