Answer: When you ascend or descend a great deal when
Chapter 4, Problem 70GP(choose chapter or problem)
Problem 70GP
When you ascend or descend a great deal when driving in a car, your ears “pop,” which means that the pressure behind the eardrum is being equalized to that outside. If this did not happen, what would be the approximate force on an eardrum of area 0.50 cm2 if a change in altitude of 950 m takes place?
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