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A spaceship is sent to investigate a planet of mass M and radius R. While hanging motionless in space at a distance of 5R from the centre of the planet, the spaceship fires an instrument package with a speed V at an angle the ...
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*Image* ...
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In ΔABC if points D,E,F are taken on sides BC,CA,AB respectivaly so that BD/DC=CE/EA=AF/FB=n/1....and areaΔDEF/areaΔABC=λ/[2(n2-n+1)/(n+1)2] find λ ...
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this is my request for all Bhaiyyas here to tell their thoughts abt iit as they ve seen it my q is" are IITs really worth it or is it over exaggerated ?" ...
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a planet takes three years to complete the orbit around sun Its orbit is coplaner with that of the earth What is the time taken by the planet to complete the orbit around sun as seen from the earth Please give the solution ...
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if two regular hexagons are inscribed in a circle of unit radius,the minimum area common to the hexagons is ...
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plot 1) xy=a(x+y) 2) x+y ≥x, y≤2 ...
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Let z1 and z2 be complex roots of 3z2+3z+b=0.If the origin,together with the points represented by z1 and z2 forms equilateral triangle,then find b. ...
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Let z1 and z2 be complex roots of 3z2+3z+b=0.If the origin,together with the points represented by z1 and z2 forms equilateral triangle,then find b. ...
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plot 1) xy=a(x+y) 2) x+y ≥x, y≤2 ...
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Find value of "a" for which the inequality 3-mod(x-a)>x2 is satisfied by at least one negative value of x ...
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Find the area bounded by r=a(1+cosθ),0<θ<2π. ...
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if a,b,c are in A.P p,q,r are in H.P and ap,bq,cr are in G.P THEN PR+RP IS (1) AC-CA (2) AC+CA (3) BQ+QB (4) BQ-QB ...
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A loop of rope is whirled at a height with angular velocity omega,so that it becomes taut in a circle of radius R.A kink develops in whirling rope.Find the speed of kink in the rope. Under what conditions does the kink remain ...
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A pendulum bob (mass m)at its mean positon is given velocity v= 7gl/2 .Calculate the height at which it leaves circular path.. Just give the answer first,,,I want to confirm mine... ...
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How many images are formed when this lens is used? No portion of the lens is opaque [4] *Image* ...
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IF P AND Q ARE +VE REAL NO'S AND P2+Q2=1 THEN THE MAX VALUE OF P+Q IS ...
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How many images are formed when this lens is used? No portion of the lens is opaque [4] *Image* ...
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A uniform rod of mass m and length l rests on a smooth horizontal surface.One of the ends of the rod is struck in horizontal direction at right angles to the rod.As a result the rod attains a velocity v.Find the force with wh ...
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A uniform rod of mass m and length l rests on a smooth horizontal surface.One of the ends of the rod is struck in horizontal direction at right angles to the rod.As a result the rod attains a velocity v.Find the force with wh ...
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*Image* A ball is thrown towards a floor with speed u. The coefficient of restitution between floor and ball is "e".The speed with which ball rebounds is . ...
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A cast iron column has internal diameter of 200mm .What should be the minimum external diameter so that it may carry a load of 1.6 MN without the stress exceeding 90N/m^2 ???? ...
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The tangent to a variable point P on the curve y=x2-x3 meets the curve again at Q. Show that the locus of the middle point of PQ is y=1-9x+28x2-28x3!!!!!!!!!!!!!! ...
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The tangent to a variable point P on the curve y=x2-x3 meets the curve again at Q. Show that the locus of the middle point of PQ is y=1-9x+28x2-28x3!!!!!!!!!!!!!! ...
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*Image* A point object is moving with a speed v before an arrangement of two mirrors as shown in figure.Find the velocity of image in mirrorM ...
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if 007 is james bond ..... . . . then what is 111 ????????? ? ? ...
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*Image* find the pressure at point P ...
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*Image* find the pressure at point P ...
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if ax3+by2+cx2y+dxy2=0 represents 3 distinct straight lines,so that each line is angle bisector of of the other two,then prove that c+3b=0 ...
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Q1if a,b,c are the three terms of AP then prove that the line ax+by+c=0 always passes through a fixed point. Q2if a,b,c are the three terms of GP then prove that the line ax+by+c=0 always forms a triangle with axes of ...
