Physics, 16.04.2021 21:40 brooklyn4932
On a cold day, the speed of sound in air is 330 m/s. A note with a frequency of 1,320 Hz is played on an instrument. What is the wavelength of that sound wave? 0.25 m 4 m 1,650 m 435,600 m
Answers: 2
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Which of the following is not a transverse wave? a) soundb) lightc) radiod) all of thesee) none of these
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Two identical stars with mass m orbit around their center of mass. each orbit is circular and has radius r, so that the two stars are always on opposite sides of the circle. (a) find the gravitational force of one star on the other. (b) find the orbital speed of each star and the period of the orbit. (c) how much energy would be required to separate the two stars to infinity?
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Aperson touches a large chunk of ice with their hand and remarks, βthis is making me cold.β explain what this person is feeling. is the ice transferring βcoldβ to the person? is there a heat transfer occurring? explain.
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Acorporation gives out its profits as dividends paid to whom?
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On a cold day, the speed of sound in air is 330 m/s. A note with a frequency of 1,320 Hz is played o...
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