A bob of mass = 0.200 kg is suspended from a fixed point with a massless string of length L = 22.0 cm . You will investigate the motion in which the string traces a conical surface with half-angle ( fata) = 18.0.

What tangential speed must the bob have so that it moves in a horizontal circle with the string making an angle 18.0 with the vertical?

Express your answer numerically in meters per second.


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