The Period P of a Simple Pendulum - That Is

question 79

Multiple Choice

The period P of a simple pendulum - that is, the time required for one complete oscillation - is directly proportional to the square root of its length l. Express P in terms of l and a constant of proportionality k. If a pendulum 3.5 feet long has a period of 1.3 seconds, find the value of k.

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Definitions:

Break-even Point

The point at which total costs equal total revenue, meaning the business makes neither a profit nor a loss.

Variable Cost

Costs that change in proportion to the level of production or business activity, such as materials, labor, and utility costs.

Fixed Costs

Costs that do not vary with the level of production or sales, such as rent, salary, or insurance, providing stability to a company's expense structure.

Margin of Safety

The difference between actual or projected sales and the break-even point, often expressed as a percentage.