A 20-G Bead Is Attached to a Light 120-Cm-Long String

question 85

Multiple Choice

A 20-g bead is attached to a light 120-cm-long string as shown in the figure.This bead moves in a horizontal circle with a constant speed of 1.5 m/s.What is the tension force that the string exerts on the bead if the angle α is measured to be 25°?

• A)0.089 N
• B)0.041 N
• C)0.20 N
• D)0.22 N
• E)0.46 N

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