A Body of Mass M Is Whirled at a Constant

question 83

Multiple Choice

A body of mass m is whirled at a constant angular velocity on the end of a string of length R. To double the kinetic energy of the body as it whirls while maintaining the angular velocity, the length of the string must be changed to

• A) 2R
• C) R/2
• D) 4R

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Definitions:

Maker

In financial terms, the party that promises to pay a certain amount of money in a promissory note or check.

Signature Liability

The legal responsibility that comes from the act of signing a document, indicating agreement or consent to its terms and conditions.

Liable

Responsible by law; legally answerable for one's actions or inactions.

Personally

Refers to something done by a person directly, without the involvement of anyone else or any intermediaries.