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

Question 20

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 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


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

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