Question

A wave has a wavelength of 12 meters and a frequency of 10 hz. What is its velocity.

Answer 1

120 m/s

Step-by-step explanation:

v = wl * f = 12 m * 10 /s = 120 m /s

Answer 2

`\huge{ \bold{120 \: m/s}}`

Step-by-step explanation:

The velocity of the wave given it's wavelength and frequency can be found by using the formula

`\bold{c = f * \lambda}`

c is the velocity

f is the frequency

`\lambda` is the wavelength

From the question

f = 10 Hz

`\lambda` = 12 m

We have

`c = 10 * 12 = 120`

We have the final answer as

120 m/s

Hope this helps you