$\lambda = 8 \: m \\ T = 2 \: s \\ but \: f = (1)/(T) \\ f = (1)/(2) = 0.5 \: Hz \\ from \: wave \: equation \\ V = f \lambda \\ V = 8 * 0.5 \\ V = 4 \: m {s}^( - 1)$

Jack Pan answered Jun 25, 2022

by Jack Pan

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The wavelength of a wave is 8 m. The period of the wave is 2 seconds. What is the velocity of the wave?

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