If a wave has amplitude of 2 meters, a wavelength of 5 meters, and a frequency of 60 hz, at what speed is it moving?

The velocity is 300 meters per second.

Explanation: The velocity of a wave is related to the frequency and the wavelenght by the following equation:

velocity = frequency*wavelenght

or, using the formal notation;

v = f*λ

We know that f = 60Hz (and Hz is 1/s) and λ = 5m, so we have:

v = 5m*60(1/s) = 300m/s

the answer is a)

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trig 15.3 cos