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Physics, 16.10.2020 14:01 rirnj005

A piece of polystyrene weighs 5.0 N in air, and has density of 400kg/m3.If the piece is floats completely over the surface of water, what is the magnitude of its apparent weight in water?

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A piece of polystyrene weighs 5.0 N in air, and has density of 400kg/m3.If the piece is floats compl...
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