For a circular pipe with diameter D, the minimum velocity is at O D/2 O D/4 O at the boundary at the same location where the average velocity is acting
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Q: In the “red shift” of radiation from a distant galaxy, the light H y , known to have a wavelength of…
A: Given: The observed wavelength λobs = 462 nm. The known wavelength λknown = 434 nm.
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