



 
Abhilash, This involves finding the arc length of a parabola. If the parabola is y = x^{2}/(2p) then the arc length expression requires you to integrate sqrt[1 + x^{2}/p^{2}]. The value of this integral can be found at http://www.numericana.com/answer/calculus.htm#parabola or by using The Integrator. If you use The Integrator you need to know the correct notation in Mathematica. The expression to integrate is Sqrt[1 + x^2/(p^2)]. Harley  


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