ForruptedHrek ForruptedHrek

12-12-2022
Physics

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A 20-g bead is attached to a light 120 cm-long string as shown in the figure. If the angle a is measured to be 18°, what is the speed of the mass?

A) 1.3 m/s
B) 3.8 m/s
C) 0.55 m/s
D) 1.1 m/s

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