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13.05.2021 •
Physics
Wave traveling at 330 m/sec has a wavelength of 4.3 meters. What is the frequency of this wave?
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Ответ:
76.74 Hz
Explanation:
Given:
Wave velocity ( v ) = 330 m / sec
wavelength ( λ ) = 4.3 m
We have to calculate Frequency ( f ):
We know:
v = λ / t [ f = 1 / t ]
v = λ f
= > f = v / λ
Putting values here we get:
= > f = 330 / 4.3 Hz
= > f = 3300 / 43 Hz
= > f = 76.74 Hz
Hence, frequency of sound is 76.74 Hz.
Ответ:
The outer core, about 2,200 kilometers (1,367 miles) thick, is mostly composed of liquid iron and nickel. the outer core is very hot, between 4,500° and 5,500° Celsius (8,132° and 9,932° Fahrenheit)
Explanation: