A telegraphic wire suspended between two...

A telegraphic wire suspended between two poles of height 15 mts is in the shape of a parabola. The distance between the poles is 20 mts and maximum sag of the cable wire is 4mt , then the height of the cable at a distance of 5 mt from one end is

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AAKASH SERIES-REVISION EXERCISE -PARABOLA

The curve describe parametrically by x =t^(2) +t+1,y=t^(2) -t+1 repre...
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A telegraphic wire suspended between two poles of height 15 mts is in ...
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Angle subtended by double ordinate of length 32 sqrt ( 3) of the par...
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In the parabola y^(2) -2y +8x -23 =0 the length of double ordinate a...
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The length of the chord of the parabola x^(2) =4ay passing through th...
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Length of chord of parabola y^(2) =4ax whose equation is y-sqrt2 x + ...
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The tangent to y^(2)=ax makes an angle 45^(@) with x-axis . Then its ...
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Point of contact of the line kx + y-4 =0, w.r.t. the parabola y=x -x^...
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P and Q are two points on the parabola ( y-2) ^(2) =(4-3) . The normal...
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Two straight lines are perpendicular to each other. One of them touche...
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If two tangents drawn from a point P to the parabola y^(2)=4x are at r...
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Assertion (A) : The least length of the focal chord of y^(2) =4ax is...
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Assertion (A) : Orthocentre of the triangle formed by any three tangen...
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Show that length of perpendecular from focus 'S' of the parabola y^(2)...
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If A,B,C are 3 points on a parabola , Delta 1 , Delta2 are the areas...
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Prove that the orthocentre of the triangle formed by any three tangent...
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The tangent at 't' on the parabola y^(2) =4ax is parallel to a normal ...
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The no. of normals drawn to (y-1) ^(2) =8 ( x+3) through (4,1 )
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The normal at 'P' cuts the axis of the parabola y^(2) =4ax in G and S...
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If two of the three feet of normals drawn from a point to the parabola...
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