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A rock is suspended by a light string. When the rock is in air, the tension in the string is 40.6 N. When the rock is totally immersed in water, the tension is 26.6 N. When the rock is totally immersed in an unknown liquid, the tension is 19.1 N.

What is the density of the unknown liquid?

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Category:- Physics
Reference No.:- M91033111

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