A Projectile Is Thrown from the Top of a Building

question 36

Multiple Choice

A projectile is thrown from the top of a building with an initial velocity of 30 m/s in the horizontal direction. If the top of the building is 30 m above the ground, how fast will the projectile be moving just before it strikes the ground?

• A) 35 m/s
• B) 39 m/s
• C) 31 m/s
• D) 43 m/s
• E) 54 m/s

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Definitions:

Productivity

The measure of how efficiently inputs, such as labor and capital, are converted into outputs, such as goods and services.

Market Wage

The prevailing wage rate in the labor market for a given type of work, determined by supply and demand for labor.

Labor Supply

The total hours that workers are willing and able to work at a given wage rate, within a specific economy or market.

Maximize Profits

The process of increasing the difference between total revenue and total cost to the highest possible level.