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Physics, 28.04.2021 15:00 ander67061

What is a wave's speed if it has a wavelength of 3.2x10^-7 m and a period of 2.8x10^-12s​

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What is a wave's speed if it has a wavelength of 3.2x10^-7 m and a period of 2.8x10^-12s​...
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