Four Pendulums Are Hung from a Light Rod That Is

question 10

Multiple Choice

Four pendulums are hung from a light rod that is free to rotate about its long axis. The pendulums have lengths L, 2L, L/2 and L, and masses m, m/2, 2m and 4m respectively. Pendulum 1 is set to swing at its natural frequency. Which of the other three will, over time, also oscillate at the same frequency?

• A) (2)
• B) (3)
• C) (4)
• D) (2) and (3)
• E) all three

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Definitions:

Rent Expense

The cost incurred by a company or individual for using a property or equipment owned by someone else.

Time Period Assumption

An accounting principle that allows the business operations to be divided into specific time periods for reporting purposes.

Revenue Recognition Principle

An accounting principle that dictates under what conditions revenue is recognized and determines when revenue is earned and recorded.

Expense Recognition Principle

An accounting principle that dictates the timing of reporting an expense, aligning it with the revenue it generates or when the expense is incurred, to reflect true financial performance.