the angular frequency of the surface waves in a liquid is given in terms of wave number k by omega=ROOt of gk+tk^3÷rho ehere g is acceleraion due to gravity rho is the density of liquid and T is the surface tension (which gives an upward force on element of rhe surgave liquid).Find phase and group velocities for limitimg cases when the surface wa es have very large wave length and very small wavelengrhs.
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find median of 5,15,20,25,30,35,40,50,60.
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