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5 votes
Need help........ AGAIN!!!!

Need help........ AGAIN!!!!-example-1

2 Answers

2 votes
when u tap the cup the paper is light so it would fall
User Wrath
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8.4k points
4 votes
simply because of gravity, the paper was used as a support to keep it up but once the support was gone, it fell into the cup.
User San
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