sgirlh3agGiulliBuo sgirlh3agGiulliBuo

14-10-2016
Physics

contestada

A wavelength is moving at the rate of 40 cm/s. If the wavelength is 8 cm then what is the frequency of the wave?
A. 5 cm
B. 320 cm
C. 320 hz
D. 5 hz

Respuesta :

scme1702 scme1702

22-10-2016

We divide the speed of the wave by its wavelength to obtain how many waves will pass in a second, also known as the frequency.
40 / 8
= 5 waves/sec
= 5 Hz
The answer is D

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