作者chieh0206 (ming chieh)
看板NTUBIME102HW
标题[普物] 简谐那题
时间Wed Jan 13 01:26:48 2010
力矩 = mgLsin(Q) + F*h
= mgL*Q + (khQ)*h
= m(L^2)*a (ps:a为角加速度)
=> w^2 = (mgL+kh^2)/(mL^2)
=> T = 2pi*((mL^2)/(mgL+kh^2))^0.5 ......#
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