A Ball Is Tied to the End of an 80

question 11

Multiple Choice

A ball is tied to the end of an 80.0-cm string and swings in a vertical circle about a fixed center under the influence of gravity. The speed of the mass at the bottom of the swing is 6.00 m/s. Which of the following statements is true?

• A) The ball does not have enough energy to reach the top of the circle.
• B) The ball has enough energy to reach the top of the circle but the string becomes slack before it can reach that point.
• C) The ball has enough energy to continue revolving in a complete vertical circle.
• D) This question cannot be answered without knowing the mass of the ball.
• E) This question cannot be answered without knowing the tension in the string.

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Definitions:

Cutting Pattern

The designed arrangement or plan for cutting materials in order to minimize waste or maximize efficiency.

Scrap

Waste material or any unwanted item that can be removed from a process, often recycled or sold to reclaim value.

End Items

Final products ready for sale or consumed as a completed part of a project or commodity.

Sheet Metal

Sheet Metal is thin, flat metal pieces of varying thickness, often used in metalworking to fabricate products or structures.