Physics, 20.11.2020 08:10 cindyc1103
7.A hiker shouts toward a vertical cliff that is 685 m away. The echo is heard 4.0 s later. (a) What is the sound wave’s speed (v)? (b) The wavelength (λ) of the sound is 0.75 m. What is the wave’s frequency (f)? (c) What is the wave’s period (T)?
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7.A hiker shouts toward a vertical cliff that is 685 m away. The echo is heard 4.0 s later. (a) What...
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