如何知道是否達到終端速度以及算樓高?? - 羽球
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By Edwina
at 2009-12-11T00:00
at 2009-12-11T00:00
Table of Contents
請問是不是質量越輕,就越容易達到終端速度??如果一顆排球、一顆網球、一顆乒乓球、一顆羽球,從四樓高自由落體拋下並做兩次,落地時間分別為:排球1秒8及1秒8網球2秒及1秒8桌球2秒及2秒3羽球2秒8及2秒7哪些已達終端速度,為何??求樓高應該怎麼計算??...Showmore
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By Mason
at 2009-12-12T05:12
at 2009-12-12T05:12
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By Skylar DavisLinda
at 2009-12-14T19:16
at 2009-12-14T19:16
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By Candice
at 2009-12-14T09:37
at 2009-12-14T09:37
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By Isabella
at 2009-12-10T00:00
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國內外有名的排球.田徑選手.
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By Freda
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at 2009-12-10T00:00
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By Michael
at 2009-12-09T00:00
at 2009-12-09T00:00
該怎麼選羽球拍?
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By Callum
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at 2009-12-08T00:00