Uniform Circular Motion: 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 in the string if the angle ? 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
Answer: D
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