99. Flat sine wave propagates along the line, which coi

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99. Flat sine wave propagates along the line, which coincides with the positive direction of the x-axis in the medium does not absorb energy at a speed υ = 10 m / s. Two points on this line at a distance of x1 = 7 m and x2 = 10 m from the source of vibrations varies with the phase difference Δφ = 3π / 5. The amplitude of the wave A = 5 cm. Determine: 1) wavelength λ; 2) wave equation; 3) displacement ξ2 second point at time t2 = 2 s.

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Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)


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