Answers

2014-06-17T20:52:23+08:00
It will not move because of the friction untill the cardboard was upside down then the gravitational force pull the coin downwards to the glass.
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2014-06-17T22:38:48+08:00
THE CARDBOARD WILL GONNA SPLASHING BUT THE COIN IS NOT CHANGE IN POSITION AND NOT MOVED!!!!
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