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p1j1r1

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p1j1r1

eggtimer

if an eggtimer was sat on a set of scales with all the sand in the bottom, and it was turn around so the sand started flowing, would it weigh more, less or same than when it was originally sat there ?
23:30 Mon 23rd Mar 200913 answers, last by Bert 00:42 Sun 05th Apr 2009