Problem B14:
Consider the conical pendulum shown above. A bob of mass m is attached to a massless
string. The bob moves in a horizontal circle, and the string makes an angle
&theta with respect to the vertical. If the tangent of the angle &theta equals
tan &theta =
√ (n_{1}/n_{2})^{2}-1 ,
what is the tension T in the string. If T = n_{3} mg,
what is n_{3}? Note that n_{1}, n_{2} and n_{3} are
unitless.

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