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How Long Would it Take to Fall through the Earth
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Aug 26, 2016 14:17:18   #
jerryc41 Loc: Catskill Mts of NY
 
aammatj wrote:
Interesting. wonder how long it would take if there were air in the hole.


I don't think it would work with air resistance. You would reach terminal velocity, and you wouldn't have enough momentum to carry you very far past the center of the earth.

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Aug 26, 2016 22:10:54   #
WB9DDF Loc: Knoxville, IL
 
jerryc41 wrote:
I don't think it would work with air resistance. You would reach terminal velocity, and you wouldn't have enough momentum to carry you very far past the center of the earth.


Correct! Any kind of friction would cause the traveler to eventually oscillate to a stop in the center of the earth.

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Aug 27, 2016 08:24:37   #
boberic Loc: Quiet Corner, Connecticut. Ex long Islander
 
aammatj wrote:
Interesting. wonder how long it would take if there were air in the hole.


No way to know, because the density of the air in such a tunnel woud vary in an uncontrolable fashion. The hole (pun intended) thing is an interesting excersize in math and physics. Most of which I have almost totally forgotten.

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