A copper wire, whose cross-sectional area is 1.1 m2 , has
Chapter 16, Problem 16.75(choose chapter or problem)
A copper wire, whose cross-sectional area is 1.1 m2 , has a linear density of 9.8 kg/m and is strung between two walls. At the ambient temperature, a transverse wave travels with a speed of 46 m/s on this wire. The coefficient of linear expansion for copper is 17 and Youngs modulus for copper is 1.1 1011 N/m2 . What will be the speed of the wave when the temperature is lowered by 14 C ? Ignore any change in the linear density caused by the change in temperature. **
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