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19-04-2018
Physics

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What happens to the density when water is poured into a empty glass?

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19-04-2018

-- The density of the glass alone doesn't change.

-- The density of the water alone doesn't change.

-- The density of (the entire glass + everything IN IT) increases,
because the part that used to be air (with very low density) is
changed to water (with much higher density than the air had).

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