On the Earth,when an Astronaut Throws a 0

question 28

Multiple Choice

On the earth,when an astronaut throws a 0.250-kg stone vertically upward,it returns to his hand a time T later.On planet X he finds that,under the same circumstances,the stone returns to his hand in 2T.In both cases,he throws the stone with the same initial velocity and it feels negligible air resistance.The acceleration due to gravity on planet X (in terms of g) is

• A) g/4.
• B) g/2.
• C) g/
• D) g
• E) 2g.

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Definitions:

Economic Profit

The difference between a firm's total revenues and its total costs, including both explicit and implicit costs, representing the additional gain above the next best alternative investment.

Marginal Revenue

The rise in income generated by selling an extra unit of a product or service.

Maximizing Profit

The process of making business decisions that increase a firm's earnings to its highest possible level.

Total Revenue

The total income a business receives from selling its goods or services, calculated by multiplying the price per unit by the number of units sold.