A string is fixed at both ends. The mass of the string is 0.0010 kg and...
A string is fixed at both ends. The mass of the string is 0.0010 kg and the length is 2.4 m. The string is under a tension of 210 N. The string is driven by a variable frequency source to produce standing waves on the string. Find the wavelengths and frequencies of the first four modes of standing waves. Express all wavelengths rounded to two decimal places and all frequencies rounded to one decimal place.
| λ1=____ m | λ2=___ m | λ3=_____ m | λ4=_____ m |
| f1=___ Hz | f2=___ Hz | f3=_____ Hz | f4=_____ Hz |
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A string is fixed at
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a 2.0 m length of string with a mass density of 2.95 x 10^-4
kg/m is fixed at both ends and driven at 120 Hz. The tension is
varied to obtain standing waves (resonance) on the string.
1. what is the longest wavelength for a standing wave possible
on the string?
2. the tension on the string is varies to obtain fourth
harmonic
a. what is the wavelength of this standing wave?
b. what is the wave speed
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