. A steel wire of length 1 m, mass 0.1 kg and uniform cross-sectional area 10–6 m2 is rigidly fixed at both ends
A steel wire of length 1 m, mass 0.1 kg and uniform cross-sectional area 10–6 m2 is rigidly fixed at both ends. The temperature of the wire is lowered by 20 °C. If transverse waves are set-up by plucking the string in the middle calculate the frequency of the fundamental mode of vibration
Given : Ysteel = 2 × 1011 N/m2
asteel = 1.21 × 10–5 per °C
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