| 大角度三线摆周期的近似公式 |
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| 引用本文： | 谢淼,吕丹.大角度三线摆周期的近似公式[J].江苏教育学院学报,2008(3):13-15. |
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| 作者姓名： | 谢淼 吕丹 |
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| 作者单位： | 江苏教育学院物理系,江苏南京210013 |
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| 摘 要： | 由能量方程出发，用换元的方法推导出三线摆大角度摆动时的周期的近似公式，并通过计算，确定运用该法所得的周期值更为精确．
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| 关 键 词： | 三线摆 能量方程 周期 近似公式 |
The Approximate Formula of Trifilar Pendulum Period with Large Angel |
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| Institution: | XIE Miao, Lu Dan ( Department of Physlcs, Jiangsu Institute of Education, Nanfing, Jiangsu, 210013 ) |
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| Abstract: | In this article, based on energy equation the approximation formula of large angel trifilar pendulum period is deducted using the method of substitution. Through calculation it is found that the periodic quantity got through this formula is more accurate. |
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| Keywords: | trifilar pendulum energy equation period approximate formula |
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