Physics
Physics, 30.06.2019 19:00, JAYDENJONES0111

One brand of dog whistles claims a frequency of 25 khz for its product. what is the wavelength of this sound? a 2.0 b 0.7 c 3.6 d 1.4

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Chemistry, 25.07.2019 18:00, Darkphyx
Assignment: waves math exploration each problem is worth 2 points. 1. what is the wave speed of a wave that has a frequency of 100 hz and a wavelength of 0.30 m? 2. what is the wave speed of a wave that has a frequency of 50 hz and a wavelength of 0.10 m? 3. what is the frequency of a wave that has a wave speed of 20 m/s and a wavelength of 0.50 m? 4. what is the frequency of a wave that has a wave speed of 80 m/s and a wavelength of 0.20 m? 5. what is the frequency of a wave that has a wave speed of 120 m/s and a wavelength of 0.40 m? 6. what is the wavelength of a sound wave that has a speed of 340 m/s and a frequency of 440 hz? 7. what is the wavelength of a sound wave that has a speed of 340 m/s and a frequency of 880 hz? 8. what is the wavelength of a sound wave that has a speed of 250 m/s and a frequency of 400 hz? 9. what is the wave speed of a wave that has a frequency of 50 hz and a wavelength of 2.0 m? 10. what is the wave speed of a wave that has a frequency of 100 hz and a wavelength of 0.50 m? show your work! you : ) me asap with correct answers.
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Mathematics, 29.07.2019 06:50, Mackjrmario
Asound wave enters a new medium where sound travels faster. how does this affect the frequency and wavelength of the sound? the frequency increases and the wavelength decreases. the frequency decreases and the wavelength increases. the frequency stays the same and the wavelength increases. the frequency stays the same and the wavelength decreases. neither the frequency nor the wavelength is affected.
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Chemistry, 24.08.2019 19:30, hannahkharel2
1. a tuning fork has a frequency of 280 hertz, and the wavelength of the sound produced is 1.5 meters. calculate the velocity of the wave. - 2. a wave is moving toward shore with a velocity of 5.0 m/s. if its frequency is 2.5 hertz, what is the wavelength? - 3. a jump rope is shaken producing a wave with a wavelength of 0.5 m. with the crest of the wave passing a certain point 7 times per second. what is the velocity of the wave? - 4. the lowest pitch that the average human can hear has a frequency of 20.0 hz. if sound with this frequency travels through air with a speed of 331 m/s, what is its wavelength? - 5. a microwave has a frequency of 4,255 hz. and a wavelength of 0.05 m. what is the microwave’s velocity? - 6. a sound wave travels with a velocity of 460 m/s and has a frequency of 820 hz. what is its wavelength? - 7. a wave at sea travels with a velocity of 32 m/s. if it has a wavelength of 8 m. what is its frequency? - 8. what is the frequency of a wave that has a velocity of 21.3 m/s and a wavelength of 7.8 m? -
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Chemistry, 21.10.2019 19:00, trinityhayes347
Asound wave enters a new medium where sound travels faster. how does this affect the frequency and wavelength of the sound? a. the frequency increases and the wavelength decreases. b. the frequency decreases and the wavelength increases. c. the frequency stays the same and the wavelength increases. d. the frequency stays the same and the wavelength decreases. e. neither the frequency nor the wavelength is affected.
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