Determine the intensity (in W/m 2 ) of a harmoniclongitudinal wave with a pressu

Question

Determine the intensity (in W/m2) of a harmoniclongitudinal wave with a pressure amplitude of 7 x 10-3N/m2 propagating down a tube filled with helium. (= 0.179 kg/m3, v = 972 m/s) A.) 0.6 x 10-9 B.) 2.2 x 10-8 C.) 2.6 x 10-8 D.)1.4 x 10-7 E.) 1.0 x 10-7 Determine the intensity (in W/m2) of a harmoniclongitudinal wave with a pressure amplitude of 7 x 10-3N/m2 propagating down a tube filled with helium. (= 0.179 kg/m3, v = 972 m/s) A.) 0.6 x 10-9 B.) 2.2 x 10-8 C.) 2.6 x 10-8 D.)1.4 x 10-7 E.) 1.0 x 10-7

Explanation / Answer

The intensity of the sound is given as

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