An 80-Kg Football Player Travels to the Right at 8

question 45

Multiple Choice

An 80-kg football player travels to the right at 8 m/s and a 120-kg player on the opposite team travels to the left at 4.0 m/s. The total momentum is

• A) 240 kg m/s to the left.
• B) 160 kg m/s to the right.
• C) zero.
• D) 160 kg m/s to the left.
• E) 1120 kg m/s to the right.

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Definitions:

Marginal Product

The additional output resulting from the use of one more unit of a variable input, holding other inputs constant.

Optimal Employment

The level of employment where the productivity is maximized in relation to the number of employed workers.

Marginal Product

The extra output that is produced by using one more unit of a factor of production, like labor or capital, holding other factors constant.

Level of Employment

The sum of all individuals currently holding either full-time or part-time jobs within the economy.