Asked by Anonymous
A standing wave is formed on a string for which three and one half wavelengths fit into the total length of the string, which is 2.5 m. The wave has a period of 0.10 s. If the string has a mass density of 220 g/m, what is the tension in the string? (Answer: 11.2N)
Answer is provided above. Please show all work on how to get the answer. Thank you!
Answer is provided above. Please show all work on how to get the answer. Thank you!
Answers
Answered by
bobpursley
calculatae wavelength: 2.5m/3.5
Law of tensions:
velocity=sqrt(tension/mu)
find velocity: v=f*wavelength=wavelength/period
mu given at .22kg/m
tension=v^2*mu=work it out
Law of tensions:
velocity=sqrt(tension/mu)
find velocity: v=f*wavelength=wavelength/period
mu given at .22kg/m
tension=v^2*mu=work it out
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