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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Monthly Returns

The profit or loss generated by an investment over the course of a month, typically expressed as a percentage.

Sample Size

The count of data points or observations gathered for a study or utilized in statistical evaluation.

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The fraction or percentage of members in a population that are part of a particular subset, reflecting a characteristic or attribute.

Population Proportion

The fraction or percentage of individuals in a population that have a particular characteristic.