Calculation of Period of Pendulum:Conical Pendulum.

Keyword Physics Formulas,Period,Conical Pendulum,Length of Inextensible cord,Acceleration of Gravity,Half angle,Suspension angle.

Reference [1]：Graham Woan著･堤正義訳：『ケンブリッジ物理公式ハンドブック』,共立出版,pp.74,2007. [2]：Conical_pendulum：Wikipedia

Remarks ・In the calculation process of the period, air resistance,friction,mass of wire and size of bob are disregarded. ・LaTeX： P=2\pi \sqrt{\left ( \frac{l}{g} \cos\alpha \right )} ・Making above Equation Image is powered by CODECOGS

History ・2010/04/04：Upload.