sent in opposite directions on a horizontal string s 0xx - 430zt) Oxx + 430zt), onds. An antinode is located at point A. In the time Units
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Q: the power of the source.
A:
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- 4A source emits sound waves isotropically. The intensity of the waves 1.80 m from the source is 2.30 x 10-4 W/m². Assuming that the energy of the waves is conserved, find the power of the source. Number i Unitscicadas produce a buzzing aound that has a wavelength in te air of 2.69 m . If the spped of the sound in air is 346m/s , what is the frequency of teh sound produced by a cicada? what is its period?
- The n vs. f graph below is for a newly discovered material. Please note that the metric prefix "T" represents "tera-". 1 THz = 10¹2 Hz. n vs. f GRAPH n In this material, which frequency has the greatest speed? In this material, which frequency has the lowest speed? 700 2.0 1.9 1.8 1.7 1.6 500 600 f(THz) 800Q2