A student removed a wool hat from her head. Her hair stood up from static electricity. What did her hat do to cause this
1 answer:
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Complete Question
When you ascend or descend a great deal when driving in a car yours 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 .50 cm2 if a change in altitude of 950 m takes place?
Answer:
The value is
Explanation:
From the question we are told that
The area of the ear drum is
The change in altitude is
Generally the change in pressure is mathematically represented as
This can also be mathematically represented as
So
=>
=>
Here is the density of dry air with value
So
=>