The Two Water Reservoirs Shown in the Figure Are Open

question 60

Multiple Choice

The two water reservoirs shown in the figure are open to the atmosphere, and the water has density 1000 kg/m³. The manometer contains incompressible oil with a density of 820 kg/m³. What is the difference in elevation h if the manometer reading m is 25.0 cm?

• A) 0.045 m
• B) 0.025 m
• C) 0.065 m
• D) 0.115 m
• E) 0.205 m

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Definitions:

Life Expectancies

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The number of live births per thousand people in a population within a given year.

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The total number of people living on Earth at a given time, continuously changing due to birth rates, death rates, and migration patterns.

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A small, cup-shaped contraceptive device made of silicone or latex that fits over the cervix to prevent pregnancy by blocking sperm from entering the uterus.