The highest pitched sound that a human ear can detect is about 21 khz. on the other hand dolphins can hear ultrasound with frequencies up to 280 khz. what is the speed of sound in water if the wavelength of ultrasound with a frequency of 2.80 x 10^5 hz is 0.510 cm?
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Physics, 22.06.2019 02:40
15. one purpose of the tread pattern on a tire is to a reduce tire wear. b. reduce traction c. allow water to flow away from the tire. d. look impressive.
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Physics, 22.06.2019 05:30
Could someone . i have tried to solve myself but my calculation is off
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Hen a gfci receptacle device is installed on a 20-ampere branch circuit (12 awg copper), what is the minimum volume allowance (in cubic inches) required for conductor fill for each conductor in the outlet box?
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Physics, 22.06.2019 08:30
Pl asaaap ! match the term to the correct description. a type of wave that transfers energy where the particles in the medium move perpendicular to the direction in which the energy is traveling. a type of wave that transfers energy where the particles in the medium move parallel to the direction in which the energy is traveling. movement that is back and forth, like an equal sign = a type of wave that transfers energy where the particles in the medium move in a circle motion while the energy travels left or right. movement that is like a t transfers energy from one location to another 1. wave 2. parallel movement 3. perpendicular movement 4. transverse wave 5. longitudinal wave 6. surface wave
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The highest pitched sound that a human ear can detect is about 21 khz. on the other hand dolphins ca...
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