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23-01-2018
Physics

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A rock, which weighs 1400 n in air, has an apparent weight of 900 n when submerged in fresh water (998 kg/m3). the volume of the rock is:

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zrh2sfo zrh2sfo

26-01-2018

Apparent weight = Weight - Weight of the displaced Liquid
900 = 1400 - V x 998 x 9.8
V = 5.1 x 10^-2 m^3

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