Physics, 18.06.2020 23:57 xander252577
A 50.0 Watt stereo emits sound waves isotropically at a wavelength of 0.700 meters. This stereo is stationary, but a person in a car is moving away from this stereo at a speed of 40.0 m/s. The frequency of sound waves that the car receives is . In addition, when the car is 70.0 meters away from the speaker, the car will hear sound waves with a sound intensity level of .
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Physics, 22.06.2019 07:30
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A 50.0 Watt stereo emits sound waves isotropically at a wavelength of 0.700 meters. This stereo is s...
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