物理問題 - 考試
By Yedda
at 2015-08-13T09:51
at 2015-08-13T09:51
Table of Contents
有一繩上的正弦波,繩上某點由平衡點振動到最大振幅處所需時間為0.15秒,若其波速為
19.5公分/秒,試求此波的波長為多少公分?(答案11.7)
請問這題0.15*19.5 之後為什麼還要*4?
跪求各位神人分享,謝謝
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19.5公分/秒,試求此波的波長為多少公分?(答案11.7)
請問這題0.15*19.5 之後為什麼還要*4?
跪求各位神人分享,謝謝
--
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