a solid cubic centimeter of platinum weighs 21.5 N. if this cube of platinum is placed under water, what volume of water is displaced? what

Question

a solid cubic centimeter of platinum weighs 21.5 N. if this cube of platinum is placed under water, what volume of water is displaced? what weight of water is displaced? (Hints: 1 cm3 of water has a mass of 1 gram; 1 gram weighs 0.0098 N; density of platinum = 21.5 g/cm3.)

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Neala 4 years 2021-08-10T09:21:25+00:00 1 Answers 35 views 0

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    2021-08-10T09:22:31+00:00
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    Answer:

    Mp =Pp g    where p = density of solid Platinum

    Wp  = Mp Pp g     weight of mass M

    Volume displaced is 1 cm^3

    Weight of water = .0098 N   since 1 cm^3 displaced

    Or Ww = 1 cm^3 * .001 kg / cm^3 * 9.8 N/kg = .0098 N

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