[題目] 物理1題
[來源]考古題
[題目6]http://qqwwweee.myweb.hinet.net/36.jpg
[解答]D
[瓶頸]看到水平分量我就選cosΘ,不知道為啥是零
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以上,請知道的人提點一下,多謝
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推
04/20 11:07, , 1F
04/20 11:07, 1F
推
04/20 11:26, , 2F
04/20 11:26, 2F
推
04/20 13:37, , 3F
04/20 13:37, 3F
→
04/20 13:37, , 4F
04/20 13:37, 4F
推
04/20 13:38, , 5F
04/20 13:38, 5F
→
04/20 13:39, , 6F
04/20 13:39, 6F
幫你更正,多謝,第六題懂了
推
04/20 14:05, , 7F
04/20 14:05, 7F
※ 編輯: qqwwweee (111.254.219.56), 04/20/2014 17:40:45