A rock is suspended by a light string. When the rock is in air, the tension...

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Physics

A rock is suspended by a light string. When the rock is in air,the tension in the string is 52.9 N . When the rock is totallyimmersed in water, the tension is 32.6 N . When the rock is totallyimmersed in an unknown liquid, the tension is 14.4 N .

What is the density of the unknown liquid?

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3.9 Ratings (445 Votes)
Gravitational acceleration g 981 ms2Density of water 1 1000kgm3Density of the unknown liquid 2Weight of the rock Tension in the string when the rock is air W 529    See Answer
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