Physics, 03.03.2021 01:30 maritzamartinnez

Why do you think using dry pennies (instead of wet ones) is important when you use a tinfoil boat

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Physics, 22.06.2019 12:30

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Physics, 22.06.2019 18:00

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Why do you think using dry pennies (instead of wet ones) is important when you use a tinfoil boat...

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