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[" 12.A "0.1kg" mass is suspended from a...

[" 12.A "0.1kg" mass is suspended from a wire of neglig: "],[" mass.The length of the wire is "1m" and its cross-sectir "],[" area is "4.9times10^(-7)m^(2)" .If the mass is pulled a little in "],[" vertically downward direction and released,it perfir "],[" simple harmonic motion of angular frequel "],[140rads^(-1)" .If the Young's modulus of the material of "],[" wire is "n times10^(9)Nm^(-2)" ,the value of "n" is."]

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A 0.1 kg mass is suspended from a wire of negligible mass. The length of the wire is 1 m and its cross sectional area is 4.9 times 10^-7 m^2 . IF the mass is pulled a little in the vertically downward direction and released, it performs simple harmonic motion of angular frequency 140 rad.s^-1 . IF the young's modulus of the material of the wire is n times 10^9 N.m^-2 . Find the value of n.

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