Л.Э. Генденштейн, Л. А. Кирик, И. М. Гельфгат - ФИЗИКА
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Problem is located in the chapter dedicated to Atmospheric Pressure and the measurement of pressure (often appearing in the section "Manometers and Pumps" or "Hydraulic Machines" depending on the edition) . Problem Statement (Typical)
Ensure you are using the correct density from the table at the back of your Gendenshtein Problem Book .