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vovikov84 [41]
3 years ago
12

When you stifle a sneeze, you can damage delicate tissues because the pressure of the air that is not allowed to escape may rise

by up to 45 kPa. If this extra pressure acts on the inside of your 8.4-mm-diameter eardrum, what is the outward force
Biology
1 answer:
masya89 [10]3 years ago
3 0

Answer: The outward force is 5934.6N.

Explanation: Pressure is force per area. As the eardrum is a circular organ and has 4.2·10^{-3}m of radius, the area of the organ will be:

Area = π·r²

Area = 3.14·(4.2.10^{-3})²

Area = 13.2·10^{-2}m²

To calculate force:

P = F/A

F = P·A

F = 45.10^{3}·13.2·10^{-2}

F = 5934.6N

The outward force is F=5934.6N.

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