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

Question

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The Answer of 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

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