A Ball Is Whirled on the End of a String

question 51

Multiple Choice

A ball is whirled on the end of a string in a horizontal circle of radius R at constant speed v. Complete the following statement: The centripetal acceleration of the ball can be increased by a factor of 4 by

• A)keeping the speed fixed and increasing the radius by a factor of 4.
• B)keeping the radius fixed and increasing the speed by a factor of 4.
• C)keeping the radius fixed and increasing the period by a factor of 4.
• D)keeping the radius fixed and decreasing the period by a factor of 4.
• E)keeping the speed fixed and decreasing the radius by a factor of 4.

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Definitions:

Units Produced

The total number of units of product completed by a manufacturing process in a specific period.

Manufacturing Overhead

Indirect costs associated with manufacturing, including utilities, depreciation, and salaries of non-direct labor, that are not directly traceable to specific units of product.

Units Produced

The total number of complete products that a manufacturing facility has finished producing during a specified period.

Period Costs

Expenses that are incurred on a regular basis and are not directly tied to the production process, such as selling, general, and administrative expenses.