The middle C string on a piano is under a tension of 953 N. The period and wavelength of a wave on this string are 3.82 ms and 1.21 m, respectively. Find the linear density of the string.
Speed of wave on string = wavelength/time period
Also speed of wave on string = √(T/)
Where T is tension in the string and is mass per unit length of string. Hence
Wavelength/ time period = √( T/)
1.21/3.82×10^-3 = √(953/)
= 9.5×10^-3 kg/m
The middle C string on a piano is under a tension of 953 N. The period...
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