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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