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An Object Attached to the End of a String Swings

Question 2

Multiple Choice

An object attached to the end of a string swings in a vertical circle (R = 1.2 m) ,as shown.At an instant when θ = 30°,the speed of the object is 5.1 m/s and the tension in the string has a magnitude of 20 N.What is the mass of the object? An object attached to the end of a string swings in a vertical circle (R = 1.2 m) ,as shown.At an instant when θ = 30°,the speed of the object is 5.1 m/s and the tension in the string has a magnitude of 20 N.What is the mass of the object? A) 2.0 kg B) 1.5 kg C) 1.8 kg D) 1.2 kg E) 0.80 kg


A) 2.0 kg
B) 1.5 kg
C) 1.8 kg
D) 1.2 kg
E) 0.80 kg

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