A Pendulum of Length L Is Suspended from the Ceiling

question 66

Multiple Choice

A pendulum of length L is suspended from the ceiling of an elevator.When the elevator is at rest the period of the pendulum is T.How does the period of the pendulum change when the elevator moves upward with constant velocity?

• A)The period does not change.
• B)The period increases.
• C)The period decreases.
• D)The period becomes zero.
• E)The period increases if the upward acceleration is more than g/2 but decreases if the upward acceleration is less than g/2.

---

Definitions:

Sample Sizes

The number of observations or units chosen from a larger population for the purpose of statistical analysis.

Weighted Average

An average resulting from the multiplication of each component by a factor reflecting its importance.

Z-score

A numerical metric indicating how a particular value compares to the average of a dataset, expressed by the number of standard deviations it lies from the mean.

P-value

The likelihood of encountering experimental results that are at least as significant as the actually observed results, given the null hypothesis is assumed to be accurate.