In a first experiment, a sinusoIdal sound wave is sent through a long tube of air, transporting energy at the average rate ofP_{a}vg, 1In a second experimen, two otner souna waves, ldenucal to the TIrst one, are to de sent sinmultaneously througn the tube with a phase difference ⧸ 0 of either 0, 0.2 wavelength, or 0.5 wavelength between the waves. (a) With only mental calculation, rank those choices of ⧸ 0 according to the average rate at which the waves will transport energy, greatest first (b) For the first choice of ⧸ 0 , what is the average rate in terms of

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In a first experiment, a sinusoIdal sound wave is sent through a long tube of air, transporting energy at the average rate ofP_{a}vg, 1In a second experimen, two otner souna waves, ldenucal to the TIrst one, are to de sent sinmultaneously througn the tube with a phase difference             ⧸            0   of either 0, 0.2 wavelength, or 0.5 wavelength between the waves. (a) With only mental calculation, rank those choices of             ⧸            0   according to the average rate at which the waves will transport energy, greatest first (b) For the first choice of             ⧸            0  , what is the average rate in terms of

Claire Love · Accepted Answer

Givens:The phase difference is 0, 0.2   λ , or 0.5   λ between the waves.Part a:since the amplitude of the wave is directly proportional to the average rate so that the waves ill transport greater energy when   ϕ  =  0  ϕ  =  0Part b:The two waves are identical to the first wave, the net amplitude is twice the first waves and the travel in the same tube thus      P          a      v      g        =  2      P          a      v      g      ,      1      Result:(a)  ϕ  =  0(b)       P          a      v      g        =  2      P          a      v      g      ,      1

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