A 20-Kg Stone Is Tied to a 0

question 7

Multiple Choice

A 2.0-kg stone is tied to a 0.50-m long string and swung around a circle at a constant angular velocity of 12 rad/s.The net torque on the stone about the center of the circle is:

• A)0 N∙m
• B)6.0 N∙m
• C)12 N∙m
• D)72 N∙m
• E)140 N∙m

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Definitions:

Margin of Error

An expression of the amount of random sampling error in a survey's results, indicating the confidence in the accuracy of the findings.

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A term referring to individuals identified in public opinion polling as not only eligible to vote but who also are considered probable to vote in an upcoming election, based on specific criteria.

Majority of Votes

A situation in which more than half of the voting population votes in favor of a particular option or candidate.