In the Figure, a Ball Hangs by a Very Light

question 11

Multiple Choice

In the figure, a ball hangs by a very light string. What is the minimum speed of the ball at the bottom of its swing (point B) in order for it to reach point A, which is 1.0 m above the bottom of the swing?

• A) 2.2 m/s
• B) 3.1 m/s
• C) 4.4 m/s
• D) 4.9 m/s

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Definitions:

Tying

A sales practice where a seller requires the purchase of additional goods or services as a condition for buying a given product.

Profit-Maximizing Price

The profit-maximizing price is the price point at which a business can sell its product or service to maximize its profit margin, given its cost structure and market demand.

Narthex

The entrance or lobby area, typically located at the west end of an early Christian or medieval church, used for gathering before services.

Atrium

The central reception room of a Roman domus that is partly open to the sky. Also, the open, colonnaded court in front of and attached to a Christian basilica.