Intext example I — task. Science State Board, Class 8.

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A sound has a frequency of $50$ $Hz$ and a wavelength of $10$ $m$ . What is the speed of the sound?

The formula to find the speed of the sound is

$v = n λ$
$v = nm$

By applying the known values in the formula, we get

$v$

$=$

$m/s$

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