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Physics, 04.02.2020 16:59 hsjsjsjdjjd

1) a sound wave with a frequency of 300 hertz is traveling through a medium at a speed of 320 meters/second. what is its wavelength?

2) a sound wave has a wavelength of 0.450 meters. if its speed in cold air is 330 meters/second, what is the wave's frequency?
a.0.890hertz
b.100hertz
c.230hertz
d.733

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