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by edbennion
Wed Oct 26, 2011 3:53 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 0969: "Delta-P"
Replies: 181
Views: 54513

Re: 0969: "Delta-P"

Hydrodynamics humor FTW! Fun Quiz: Kids, show your skills and estimate how long it would take to empty all the oceans! Remember, as you drain the ocean, d in Randall's equation will decrease. Rename d as h. Then: dh/dt = -k sqrt(h) You can assume water transports horizontally instantaneously so the...
by edbennion
Wed Oct 26, 2011 1:17 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 0969: "Delta-P"
Replies: 181
Views: 54513

Re: 0969: "Delta-P"

At the rate indicated in the comic, it would take [imath]1.75 x 10^{15}[/imath] seconds or 55.49 million years to empty just the Pacific Ocean.

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