This is Not Truetvb now,tvbnow,bttvb E/ B6 d# X# `1 x4 M; h. E) g
(a) Unless you are travelling in extremely slow speed (5Km or less), otherwise your jump off speed is so slow in comparison to your forward speed. The counter ! d( o* F/ O7 t+ Nwww3.tvboxnow.comeffect is not significant. OK this explain the speed aspect. * @6 o9 V& ]4 {( b, ~(b) Jumping direction: if you were in a car or a train carriage, you do not have a " k% v2 @1 N2 ?* c5 q+ X# O Awww3.tvboxnow.comchoice whether you are jumping forward or backward. You can only jump iside way or best a 45 degree against the forward angle. Either angle will affect your + F% u3 R% k4 k& a/ \7 z8 nwww3.tvboxnow.comlanding impact. Do not forget to Roll when the body hit the ground. ' f0 {7 [1 C6 |公仔箱論壇(c) Make sure when you jump, you are facing the forward direction. If you are / _2 g U8 x4 B8 E6 hfacing the away direction, the forward momentum will make you fall on the back 6 o5 A, [- {* }' |2 }+ rtvb now,tvbnow,bttvbof your head first, it could be a fatal hit.www3.tvboxnow.com; @0 L" ~4 Q2 e3 o1 T7 M) q
This is my 2 cents worth.作者: mamasing 時間: 2007-4-25 03:31 PM
"向前跳的話,著地的時候,身體會向後仰,後腦撞到的危機性較大,死亡率亦較高" + D* n3 V/ U9 q y" H% ]" {I doubt this is true.& T L" k- f/ O+ T1 I' d
If you are carrying a forward momentum and when the body/ object landed, theTVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。. h$ P$ Y+ U8 `( L
momentum will continue its direction unless affect by other external force. (Baisc - G! ?0 z. o1 m/ C( _tvb now,tvbnow,bttvbNewton Law) ie. The body will continue to move forward, your forehead will hit 3 P2 w# C# n& ?. m9 pTVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。the ground first unless you lean back when you jump off the moving object.作者: 光明的迷途 時間: 2007-4-25 09:03 PM