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Answer on Acoustics Question for Bristina

Question #14312
The average sound intensity inside a busy restaurant is 4.9 x 10-5 W/m2. How much energy goes into each ear (area = 1.9 x 10-3 m2) during a one-hour meal?
Expert's answer
Energy = Power * time;
time = 3600 seconds, Power = Area *
Energy = 1.9 * 10^-3 * 4.9 * 10^-5 * 3600 = 33516 * 10^-8 (J).

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