A 0.1 kg mass is suspended from a wire of negligible mass. The length of the wire is 1m 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 $$n \times 10^9 Nm^{-2}$$, the value of n is
Correct Answer: 4
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