A Pendulum of Length L Is Suspended from the Ceiling

question 8

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 downward with constant acceleration?

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

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Definitions:

Financially Attractive

Describes opportunities or investments that are likely to provide a good return or prove to be profitable.

Discount Rate

The discount rate applied in DCF analysis to calculate the current value of future cash streams.

Total-Cost Approach

A pricing strategy that accounts for all possible costs incurred to bring a product to market, including production, marketing, and distribution costs.

Discount Rate

The rate of interest known as the discount rate is employed in discounted cash flow analysis to figure out the current value of cash flows expected in the future.