Calculate the Minimum Average Power Output Necessary for a 55

question 3

Multiple Choice

Calculate the minimum average power output necessary for a 55.8 kg person to run up a 12.0 m long hillside, which is inclined at 25.0° above the horizontal, in 3.00 s. You can neglect the person's kinetic energy. Express your answer in horsepower. (1 hp = 746 W)

• A) 1.24 hp
• B) 2.93 hp
• C) 1.86 hp
• D) 0.740 hp

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Definitions:

Incremental Costs

Costs that change as a result of a decision to increase or decrease the level of an activity or operation.

Sunk Costs

Costs that have already been incurred and cannot be recovered or altered by future actions, and therefore should not influence current or future business decisions.

Out-of-pocket Cost

Expenses that are paid out directly and result in a financial outlay.

Contribution Margin

The amount remaining from sales revenue after variable expenses have been deducted, indicating how much contributes to covering fixed costs and generating profit.