A 020-Kg Object Attached to the End of a String Swings

question 8

Multiple Choice

A 0.20-kg object attached to the end of a string swings in a vertical circle (radius = 80 cm) . At the top of the circle the speed of the object is 4.5 m/s. What is the magnitude of the tension in the string at this position?

• A) 7.0 N
• B) 2.0 N
• C) 3.1 N
• D) 5.1 N
• E) 6.6 N

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Definitions:

Quarterly

Pertaining to or occurring every three months.

Gross Earnings

The total income earned by an individual or organization before any deductions or taxes are subtracted.

Total Deductions

The sum of all amounts subtracted from an individual's gross income for taxes, benefits, and other expenses.

Net Earnings

The amount of income left after deducting taxes, benefits, and other expenses from gross earnings; often referred to as take-home pay.