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19 July, 20:30

Which has the greatest mass, box of rocks box of paperclips or empty box

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  1. 19 July, 22:15
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    The density of an ordinay rock is close to 3 g/cm^3 wihle the density of the paper clips is close to 8 g/cm^3 (the density of steel), then equal apparent volumes (same box) will contain different mass, being of course the mass of the box with paper clips much higher than that of the box with rocks.
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