2SA3 @ ac2006 - Blog
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Territory : A5.6
Strength : 21
Mission : Ace the A's


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22 May 2006 - Pic-cy for the day


Pic-cy for the day




and here's one of my favourite physics question:

Which has a larger mass - A bag of feathers weighing 1kg on the bathroom scale, or a block of steel weighing 1kg on the same bathroom scale?