The Period of a Pendulum Is the Time It Takes

question 16

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

---

Definitions:

Canadian Dollars

The official currency of Canada, represented by the symbol CAD.

Trading Securities

Financial instruments like stocks or bonds held by a firm, primarily for the purpose of selling them in the near term to realize a gain.

Long-term

Pertaining to or occurring over an extended period, often exceeding one year, in the context of investments, loans, or planning.

Profit Margin

A financial ratio that measures the percentage of revenue remaining after all expenses have been deducted from sales.