(Answered) 040-kg mass attached to the end of a string swings in a

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0.40-kg mass attached to the end of a string swings in a vertical circle having a radius of 1.8 m. At an instant when the string makes an angle of 40 degrees below the horizontal, the speed of the mass is 5.0 m/s. What is the magnitude of the tension in the string at this instant?

a. 9.5 N

b. 3.0 N

c. 8.1 N

d. 5.6 N

e. 4.7 N

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