A sound wave in a solid has a frequency of 12.0 kHz and a wavelength of 0.333 m. What would be the wave speed, and how much faster is this speed than the speed of sound in air? (The speed of sound in air is 344 m/s.)
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- A plane approaches you at 760 mi/h. It produces a sound at a frequency of 256 Hz. What frequency do you hear? Let the speed of sound be 343 m/s, 1 mile = 1609.34 m, 1 hr = 3600 sOn the planet Venus a rare volcanic eruption occurs. The sound of it is 30 Hz and it has a wavelength of 13.7 m. How fast must the speed of sound be on Venus?The speed of sound in a solid medium is 15 times greater than that in air. If the frequency of a wave in the solid is 61 kHz, then what is the wavelength? (The speed of sound in air is 344 m/s.)
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- The speed of sound in a solid medium is 15 times greater than that in air. If the frequency of a wave in the solid is 49 kHz, then what is the wavelength? (The speed of sound in air is 344 m/s.)A water wave has a frequency of 9.0 Hz and a wavelenght of 5.0m. (a) What is the period (in seconds) of these waves? (b) What is the wave velocity in m/s?The loudness, L, of a sound (measured in decibels, dB) is inversely proportional to the square of the distance, dd, from the source of the sound.A person 14 feet from a jetski, it is 75 decibels loud.How loud is the jetski when the person is 46 feet away? Round your answer to the nearest hundredth.