### Calculate the intensity of the speaker

Assignment Help Physics
##### Reference no: EM13320549

1) A fisherman notices that wave crests pass the bow of his anchored boat every 3.20 s. He measures the distance between two crests to be 6.46 m. How fast are the waves traveling?

2) A stereo speaker has a surface area of 0.043 m^2. The acoustic power output of the speaker is 1.7 W. Calculate the intensity of the speaker.

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