大家覺得...故意把球打很高給對場... - 排球
By Emma
at 2008-07-03T18:10
at 2008-07-03T18:10
Table of Contents
一層樓約3公尺 7層樓約20公尺
球往上方打到最高點落下 物理學簡單計算如下
單向 20 = 0.5 * 9.8 * t^2, t = 2 約兩秒
一上一下 約四秒鐘
真的拿個碼表去計時 就可以得到球的高度
晚上去球場量一下
--
球往上方打到最高點落下 物理學簡單計算如下
單向 20 = 0.5 * 9.8 * t^2, t = 2 約兩秒
一上一下 約四秒鐘
真的拿個碼表去計時 就可以得到球的高度
晚上去球場量一下
--
Tags:
排球
All Comments
By Steve
at 2008-07-07T07:11
at 2008-07-07T07:11
By Margaret
at 2008-07-09T23:29
at 2008-07-09T23:29
By Jessica
at 2008-07-10T13:16
at 2008-07-10T13:16
By Erin
at 2008-07-14T07:54
at 2008-07-14T07:54
By Edith
at 2008-07-17T00:09
at 2008-07-17T00:09
By Joe
at 2008-07-19T05:25
at 2008-07-19T05:25
By Andy
at 2008-07-22T08:18
at 2008-07-22T08:18
By Gary
at 2008-07-26T07:17
at 2008-07-26T07:17
By Lily
at 2008-07-27T21:57
at 2008-07-27T21:57
By Belly
at 2008-08-01T10:29
at 2008-08-01T10:29
By Sarah
at 2008-08-02T02:51
at 2008-08-02T02:51
By Caroline
at 2008-08-04T23:15
at 2008-08-04T23:15
By Puput
at 2008-08-09T16:10
at 2008-08-09T16:10
By Kama
at 2008-08-11T23:41
at 2008-08-11T23:41
By Rachel
at 2008-08-12T18:02
at 2008-08-12T18:02
By Victoria
at 2008-08-14T16:01
at 2008-08-14T16:01
By Connor
at 2008-08-19T14:51
at 2008-08-19T14:51
By Sierra Rose
at 2008-08-24T09:39
at 2008-08-24T09:39
Related Posts
排球立志在沙場!感謝父親對場地的維護
By Franklin
at 2008-07-03T14:22
at 2008-07-03T14:22
有人要去看大獎賽嗎?
By Ophelia
at 2008-07-03T12:47
at 2008-07-03T12:47
排球立志在沙場!感謝父親對場地的維護
By Kama
at 2008-07-03T12:16
at 2008-07-03T12:16
沙灘排球,原來如此(六之四)
By Iris
at 2008-07-03T11:53
at 2008-07-03T11:53
大家覺得...故意把球打很高給對場...
By Caitlin
at 2008-07-03T01:03
at 2008-07-03T01:03