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*Image* if radius is R and resistance per unit lengthis r,then equivalent resistance across PQ is ______ (give explanations) ...

A 5 m long cylindrical steel wire with radius 2x10-3m is suspended vertically from a rigid support and carries a bob of mass 100Kg at the other end. If the bob gets snapped, calculate the change in temperature of the wire ign ...

please give detailed solution ... find the orthocentre of triangle whose vertices are z1 z2 z3 ... ...

2 different lines meet a circle |z| =r in the points p , q , r ,s lines are not parrallel . then prove that these lines meet in the point z given by \frac{p^{-1} + q^{-1} -r^{-1}-s^{-1}}{p^{-1}q^{-1} -r^{-1}s^{-1} } =z ...

f(x) is a bijective function .. g(x) is inverse of that function .. f '(x) = 1/ (1 + x2009) find g ' (x) in terms of g(x) ? ...

. Upthrust is independent of A. shape of the body 2. Specific volume is independent of B. size of the body 3. Specific resistance is independent of C. mass of the body 4. Heat capacity is independent of D. material of the bod ...

a uniform thin rod of mass m and length l is standing on a smooth horizontal surface. A slight disturbance causes the lower end to slip on the smooth surface and the rod starts falling. find the velocity of centre of mass of ...

hey guys , i have a friend of mine whu is givin JEE-2009 this year and is a brilliant tutorials student, he gives his online tests, but the full sylabus test which is available today and tomorow he is not giving.so he has tol ...

Can any one suggest me good magazines related to science or astronomy and can u provide their links to download ...

An unexpected question....may be HCV expects this in iit2009: When Neils Bohr shook hand with Werner Heisenberg, what kind of force they exerted? (a) Gravitational (b) Electromagnetic (c) Nuclear (d) Weak I just doubled up in ...

conversion of cyclohexene to cyclohexanol can be conveniently achieved by a)NaOH-H2O b)Br2-H2O c)HBO-hydroboration oxidatin d)Hydroboaration hydrolysis SRY EDITED THE Q ...

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the potential energy of a particle executing S.H.M along the x- axis is given by U = U1 - U1 cos(ax). wat is the period of oscillation ?????????????????????????????????????????????????? ...

THREE SOLENOID COIL OF SAME DIMENSION ,SAME NUMBER OF TURNS AND SAME NUMBER OF LAYERS OF WINDING ARE TAKEN . COIL 1 WITH INDUCTANCE L1 WAS WOUND USING A Mn WIRE OF RESISTANCE 11 OHM/M;COIL 2 WITH INDUCTANCE L2WAS WOUND USING ...

y=2sinx+cos2x ...

please give a detailed solution... dont give me hints i tried it many times before editing [2] can u please tell me equation of line perpendicular to az + \bar{a}\bar{z}+b=0 yaar actually i cant make out difference b/w two eq ...

two masses m1 and m2 are suspended together by masslesss spring of spring constant k. when masses are in equilibrium, m1 is removed without disturbing the system find maximum velocity of m2 during oscillation ...

check the paragraph ques related to collisions please explain the ans to first ques of this paragraph also check the para of archimides principal here also please explain the ans to the ques that as the bubble rises up which ...

Let a and b be 2 non collinear unit vectors . u=a-(a.b)b and v = a x b,then |v| = ? (in terms of u , a,b) ...

A steel ball with volume V is sinking with a speed of 'v' in a closed jar filled with honey. what is the momentum of the honey if its density is ρ? there actually was life bustling once in this thread but everyone (that incl ...

explain reaction of alkenes with HOX ...

1. let f(x)=x2+bx+c,where b,c ε R.if f(x) is a factor of both x4+6x2+25 and 3x4+4x2+28x+5,then least value of f(x) is a. 2 b. 3 c. 5/2 d. 4 2. the number of ordered pair of positive integers x,y such that x2+3y and y2+3x are ...

Find the minimum energy required to launch a m kg satellite from earth's surface in a circular orbit at an altitude 2R where R is earth's radius ...

Statement 1 *Image* Stat2 *Image* ...

suppose that f(x) is properly integrable over [a,b] and g(x) properly integrable over [a,b+d], d>0. then prove that \lim_{\delta \rightarrow +0}\int_{a}^{b}{}f(x)g(x+\delta )dx=\int_{a}^{b}{f(x)g(x)}dx ...

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A slab of mass M = 15 kg can move without friction over a level floor. A mass m = 10 kg is placed on the slab, and a massless string passed over two pulleys fastened to the slab is attached to it. The coefficient of friction ...

integrations: q1)∫(2x12 + 5 x9) / ((x5 + x3 +1) dx Q2)∫x4/(1-x2)3/2 dx ...

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Two balls of equal density, and radii r and R =2r, are placed with the center of the larger one at the middle of a cart of mass M and length L. The mass of the smaller ball is m. The balls are made to roll, without slipping, ...