Question

1. Estimate the net force exerted on your eardrum due to the water above when you
swimming at the bottom of a pool that is 5.0 m deep. The pressure inside the eardrur
atmospheric. [5N, Because a force on the eardrum of this magnitude is uncomfortal
swimmers often "pop their ears” by swallowing or expanding their jaws while underwater,
action that pushes air from the lungs into the middle ear. Using this technique equalizes t
pressure on the two sides of the eardrum and relieves the discomfort)
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Answer 1

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