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Find specific weight of an unknown liquid.

1437_u tube.jpg

The U-tube manometer shown to the right is used to measure the exact weight of a liquid. The manometer tube has an internal diameter of 0.5cm and it is initially filled with water. Accurately 2 cm3 of an unknown liquid is after that poured into one leg of the manometer, and a displacement of 5 cm between the surfaces is measured as shown. What is the specific weight of the unknown liquid?

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