# physics

A string has a length of 2.50 m and is fixed at the ends. At a frequency of 85.0 Hz, a standing wave with 5 loops is formed.
I got a, b and d. I need help with c and e thank you
a. What is the wavelength of the waves that travel on the string? (i did this already)
b. What is the speed of the waves? (i did this already)
c. What is the wavelength of the wave when it is vibrating at the fundamental frequency of the wave? (i need to know this)
d. What is the fundamental frequency of the wave? (i did this already)
e. At what frequency would the third overtone occur? (i need to know this)

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1. c. I dont know what you mean by 5 loops, but if you mean a wavelength, then divide 2.50m by 5
e. multipy d by 3.
An example of harmonic overtones: (absolute harmony) and various names given to them.
Frequency Order Name 1 Name 2 Name 3
1 · f = 440 Hz n = 1 fundamental tone 1st harmonic 1st partial
2 · f = 880 Hz n = 2 2nd overtone 2nd harmonic 2nd partial
3 · f = 1320 Hz n = 3 3rd overtone 3rd harmonic 3rd partial
4 · f = 1760 Hz n = 4 4th overtone 4th harmonic 4th partial

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bobpursley

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