A Child Is Riding a Merry-Go-Round Which Completes One Revolution

question 31

Multiple Choice

A child is riding a merry-go-round which completes one revolution every 8.36 s. The child is standing 4.65 m from the center of the merry-go-round. What is the magnitude of the centripetal acceleration of the child?

• A) 6.84 m/s²
• B) 3.94 m/s²
• C) 2.63 m/s²
• D) 0.0664 m/s²
• E) 0.696 m/s²

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Definitions:

Weighted Average

A mathematical calculation that takes into account the varying degrees of importance of the numbers in a data set, providing a measure that reflects the relative importance of each value.

Unlevered Cost

The cost of an investment or project without considering the effects of debt financing, focusing solely on equity-financed expenses.

Cost of Debt

The effective rate a company pays on its current debt, incorporating the tax shield benefits of interest payments.

Asset Beta

A measure of the risk of an asset held in isolation, compared to the market as a whole.