A Body of Mass M Is Whirled at a Constant

question 105

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:

High-low Method

A technique used in accounting and finance to estimate variable and fixed costs based on the highest and lowest levels of activity.

Total Fixed Costs

The sum of all costs that do not change with the level of production or sales, over a specified period of time.

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