A Rock Is Thrown Straight Down with an Initial Velocity

question 43

Multiple Choice

A rock is thrown straight down with an initial velocity of 17.5 m/s from a cliff.What is the rock's displacement after 2.0 s? (Acceleration due to gravity is 9.80 m/s². )

• A) 28 m
• B) 49 m
• C) 55 m
• D) 64 m

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Definitions:

Accounting Profit

The difference between total revenue and explicit costs; it does not account for implicit costs, unlike economic profit.

Total Revenue

The entire amount of income generated by the sale of goods or services before any costs are subtracted.

Economic Costs

The total cost of choosing one action over another, consisting of both explicit costs (direct monetary outlays) and implicit costs (the value of opportunities foregone).

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