The Period of a Pendulum Is the Time It Takes

question 28

Multiple Choice

The period of a pendulum is the time it takes the pendulum to swing back and forth once.If the only dimensional quantities that the period depends on are the acceleration of gravity,g,and the length of the pendulum,ℓ,what combination of g and ℓ must the period be proportional to? (Acceleration has SI units of m ∙ s^-2.) .

• A)g/ℓ
• B)gℓ²
• C)gℓ

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Definitions:

Fixed Costs

Costs that do not change with the level of output or sales, such as rent, salaries, or insurance premiums.

Cost-volume-profit Chart

A graphical representation that shows the relationships between an organization's costs, sales volume, and profits, used for making strategic business decisions.

Total Fixed Cost

The sum of all costs required to produce any goods or services that do not change with the level of production.

Unit Contribution Margin

The difference between the selling price per unit and the variable cost per unit. It measures how much each unit sold contributes to fixed costs and profit.