mbandzzz mbandzzz
  • 22-03-2021
  • Physics
contestada

a sound wave has a frequency of 400 hz and a wavelength of 20 meters what is the speed

Respuesta :

lafleurbella2050 lafleurbella2050
  • 24-03-2021

Answer:

8000m/s

Explanation:

Speed is the measure of ratio of distance to time taken to cover that distance.

So speed of wave is calculated as the product of wavelength and frequency.

As the wavelength is given as 20 m and the frequency is given as 400 Hz, then the speed will be

Speed = wavelength × Frequency = 20 × 400

Speed of wave = 8000 m/s.

So speed of wave is 8000 m/s.

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