Find the speed of propagation of the wave if the frequency of oscillation of the particles in it is 400 Hz, and the wavelength is 2 m.
| November 29, 2020 | education
Given: l = 2 m, v = 400 Hz
Find: u- denote as speed
Decision:
by the formula u = l • v we find the speed u: u = 2m • 400Hz = 800 m / s
Answer: 800 m / s
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