Air Pressure Is 1

question 24

Multiple Choice

Air pressure is 1.0 * 10⁵ N/m², air density is 1.3 kg/m³, and the density of soft drinks is 1.0 * 10³ kg/m³. If one blows carefully across the top of a straw sticking up 0.080 m from the liquid in a soft drink can, it is possible to make the soft drink rise half way up the straw and stay there. How fast must the air be blown across the top of the straw?

• A) 76 m/s
• B) 27 m/s
• C) 25 m/s
• D) 0.99 m/s

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Definitions:

Income

The total money received by an individual or household from various sources like wages, investments, and benefits, over a specified period, often used to fund expenditures.

Price

The price one must pay to obtain a good, service, or asset.

Claret

A term often used in Britain to refer to red Bordeaux wine.

Utility Function

A representation of how individual preferences are ranked for different bundles of goods.