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Huh, can't you float a thumbtack in water? If it sinks, it means that the amount of water displaced weighs less than the tack.

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Wiki User

9y ago
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Ariel Jarrells

Lvl 2
2y ago

Dose a thumbtack float

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Rosetta Pollich

Lvl 1
2y ago
love this answer!
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Adah Doyle

Lvl 1
2y ago
Are you sure?

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Q: Why does a thumbtack sink inwater?
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