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Lollipop1287
18.01.2020 •
Physics
Two tuning forks produce sounds of wavelengths of 3.4 meters and 3.3 meters.
given that the speed of sound in air is 340 m/s, approximately what is the beat frequency produced by these two tuning forks?
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Ответ:
Explanation:
wavelength, λ = 3.4 m
wavelength, λ' = 3.3 m
Speed, v = 340 m/s
f = v / λ = 340 / 3.4 = 100 Hz
f' = v / λ' = 340 / 3.3 = 103.03 Hz
Frequency of beat, n = f' - f = 103.03 - 100 = 3.03 Hz
Ответ:
the potential energy is higher as the object when it falls will have more room to accelerate using kinetic energy