Physics
posted by Kristy .
Identical points on two harmonic waves with the same wavelength (0.65 meters) and frequency are the separated by a distance of 0.15 meters. What is the phase difference between the waves?

Δφ=2•π•Δx/λ=2•π•0.15/0.65=0.46 π (rad)=
=1.45 (rad)
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