A 40-Kg Mass Attached to the End of a String Swings

question 45

Multiple Choice

A 4.0-kg mass attached to the end of a string swings in a vertical circle of radius 2.0 m.When the string makes an angle of 35° with the vertical as shown,the speed of the mass is 5.0 m/s.At this instant what is the magnitude of the force the string exerts on the mass?

• A)50 N
• B)82 N
• C)89 N
• D)11 N
• E)61 N

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A service or product offered to every member of a society for free, by either a governmental entity or a private organization or person, with no intention of making a profit.

Tennessee Valley Authority

A U.S. government corporation established in 1933 to address issues related to flooding, electricity generation, and economic development in the Tennessee Valley region.

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The system in which the forces of supply and demand determine the prices of goods and services in a market economy.