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Two masses m and 2m are attached to two ends of an ideal spring and the spring is in the compressed state. The energy of spring is 60 joule. If the spring is released, then A. the energy of both bodies will be same. B. energy ...
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n to the power p -n;divisible by p. p is a prime number. prove it ...
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*Image* Can anyone please find the center of masses of a uniform hollow hemisphere and of a frustum like shown above? You can take any variable you like. ...
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One end of an elastic string of natural length a and force constant λ/a is fixed to a point on a smooth horizontal surface vandvthe other end is attatched to aparticle of mass m lying on the surface. the particle is pulled f ...
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Find the accleration of block of mass M' with repect to the wedge of mass M,assuming all surfaces to be frictionless. *Image* ...
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find the following limit LIMn→∞{(33-8)(43-8)(53-8).....(n3-8)}/{(33+8)(43+8)(53+8).......(n3+8)} ...
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Q1.Prove that the orthocentre of the triangle formed by any three tangents to the parabola lie on the directrix. Q2.If a normal to a parabola makes an angle θ with the axis ,show that it will cut the curve again at an angle ...
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A heavya point particle is suspended vertically from O by an inextensible string of length l.The string becomes slack at some angle and the particle proceeds on a parabola.Find the value of V0 if the particle passes through t ...
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g(x)=1/2(x^102)-23(x^101)-45/2(x^2)+1035x.....then find g(46) and g(45/2)???????????? ...
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1)If ar+1= 1/2(ar+1) then prove that cos[ 1-a02 /a1a2....∞]=a0 2)If A+B+C+D=2∩ prove that sinA/2.sinB/2.sinC/2.sinD/2≤1/4 ...
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Q1. Slope of common tangent to parabolas y2 = 4ax and x2= 8y Q2.if 2y = x + 24 is atangent to the parabola y2 = 24x then its distance from parallel normal is ...
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Find the sum of the the intercepts on the axes of coordinates by any tangent to the curve x + y =2 Plz solve this problem............ ...
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Q1.prove thet √2 is irrational. Q2.how we will prove mathematically that 1*0=0 ...
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Q1)If x,y and z are in AP,prove that 1/√x+√y ,1/√z+√x ,1/√y+√z are in AP Q2)Sum the series to n terms: (1/1+√x) +(1/1-x)+(1/1-√x)+....... Q3)Find the sum of first 19 terms of the AP a1,a2,a3,.........if it is ...
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Please see the image.... *Image* I cant understand where i hav done the mistake as i am not getting the answer.....plz help ...
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Consider a man standing at a point P at a distance a unit from the wall. This man has to reach at a point Q (which is on the same side of the wall). Distance between P and Q, measured along a wall is b units, while the distan ...
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Nishant bhaiya, I have aproblem in my discussion forum page.The new questions are not appearing on my discussion forum instead only the questions posted in the past are present on my page.therefore I am not able to view the l ...
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A block of mass m is kept on a rough inclined plane of incl.θ with the horizontal.the whole system is kept in an elevator which is moving up with constant velocity v.Find the displacement of block in time t.Please explain. ...
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Easy one I guess, but i want to see the method. The odd numbers are arranged as shown below: (1) (3,5) (7,9,11) (13,15,17,19)... Find the sum of terms in the nth bracket as a function of n. ...
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Easy one I guess, but i want to see the method. The odd numbers are arranged as shown below: (1) (3,5) (7,9,11) (13,15,17,19)... Find the sum of terms in the nth bracket as a function of n. ...
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If T_n = \frac{4^n n^2}{(n+1)(n+2)} Find Sn where S_n = \sum_{i=1}^n T_n ...
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Why is β=2α and γ=3α?? ...
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If (1+x)^{n}=C_{0}+C_{1}x+C_{2}x^{2}+.......C_{n}x^{n} then prove that \sum_{0\leq i}^{}{\sum_{<j\leq n }^{}{}}C_{i}C_{j}(i+j)=n(2^{2n-1}-\frac{1}{2}. ^{2n}C_{n}) ...
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If (1+x)^{n}=C_{0}+C_{1}x+C_{2}x^{2}+.......C_{n}x^{n} then prove that \sum_{0\leq i}^{}{\sum_{<j\leq n }^{}{}}C_{i}C_{j}(i+j)=n(2^{2n-1}-\frac{1}{2}. ^{2n}C_{n}) ...
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*Image* ans. given is false.................can u tell y? ...
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Yeah i know.I've only been posting ques on functions.But wat can i do.At the moment i am stuck wid this fordsaken chapter.But i do try to put up ood ques dat will not make u guys feel bored. So here are a few more of my doubt ...
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a conveyor belt making an angle of pi/6 with the horizontal moves up with a speed of 3m/s.A box is gently placed on it.find how far the box will move on the belt before coming to rest,if the coffecient of friction between the ...
