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joe foster
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Join Date: Apr 2012
Posts: 1

Weight of hourglass

04/26/2012 3:24 PM

To be hyper accurate, when hourglass first turned over, mass of sand will be very slightly less due to distance from the earth. Add this to amount of sand in midair immediately after turning over hourglass.
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Mizuti
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#1

Re: Weight of hourglass

04/26/2012 3:30 PM

This newsletter challenge had a lot of great minds thinking over this problem, with some pretty great responses.

http://cr4.globalspec.com/blogentry/19480

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Previous in Forum: Instant Cooling of Very Small Material   Next in Forum: Difference Between Tear and Tensile Strength and Their Relation with Crystality


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