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Physics
Density
Specific gravity
The density of copper is 8930 kg per cubic metre. A rod of copper is 20 cm long. What length of it will remain immersed in mercury of density 13600 kg per cubic metre
1 answer
Li = (Dc/Dm) * Lo = (8930/13,600) * 20 = 13.1 cm = Length immersed.
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