At a Pressure of 1 Atmosphere a Column of Mercury

question 47

Multiple Choice

At a pressure of 1 atmosphere a column of mercury in a barometer is supported to the height h = 0.76 m.The density of mercury is 13.6 × 10³ kg/m³.A barometer of similar design filled with water would support a column of water how high at a pressure of 1 atmosphere?

• A) more than ten times h
• B) about 1.36 h
• C) less than one tenth h
• D) the same height h

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Definitions:

Net Profit Margin Percentage

A financial metric that shows the percentage of revenue remaining as net income after all expenses, taxes, and costs have been deducted.

Return on Total Assets

measures a company's efficiency in using its assets to generate profit, calculated by dividing net income by total assets.

Total Assets

The sum of all current and non-current assets owned by a company, including cash, inventory, property, and equipment.

Gross Margin Percentage

A financial metric that represents the gross margin as a percentage of total sales revenue, indicating the efficiency of a company in producing and selling goods.