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簡(jiǎn)單的連桿運(yùn)動(dòng)問題 |
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點(diǎn)評(píng)
同意
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點(diǎn)評(píng)
你畢業(yè)晚,我信你233
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點(diǎn)評(píng)
Vb對(duì)角度的關(guān)系就是Vb=Va·cotθ,,如果要轉(zhuǎn)化成對(duì)時(shí)間的關(guān)系則可帶入
cotθ=(X0-Va·t)/√[L^2-(X0-Va·t)^2]
(假設(shè)AC初始長(zhǎng)度為X0,斜桿長(zhǎng)度為L(zhǎng))
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點(diǎn)評(píng)
這不是瞬時(shí)速度啊,。,。。這是得T時(shí)間段內(nèi)的平均速度
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