Solve the Problem $\mathrm { P } = \frac { \mathrm { W } } { \mathrm { t } }$

question 88

Multiple Choice

Solve the problem.
-Power is the time rate of doing work and is commonly measured in watts. Power is given by the formula $\mathrm { P } = \frac { \mathrm { W } } { \mathrm { t } }$ where P is power, W is work (in joules) , and t is time in seconds. If 800 watts of power are used in 27 seconds, how much work (in joules) was done?

• A) 3 joules
• B) 2160 joules
• C) 21,600 joules
• D) 30 joules

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Definitions:

Domestic Price

The price of goods or services within a country's borders, as opposed to their price in international markets.

World Price

The internationally agreed upon price of a commodity, influenced by global supply and demand dynamics.

No-International-Trade Price

The price level of goods within a country in the absence of international trade, often influenced solely by domestic supply and demand.

Export Supply Curve

A graphical representation showing the relationship between the price of a good on the international market and the quantity that domestic producers are willing to export.