This is Not True ) u4 L* U7 d9 b* \; Z5.39.217.77:8898(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 ) [, P) n# o2 m& A! d9 oTVBNOW 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。effect is not significant. OK this explain the speed aspect. * p* E4 t" l# i' X4 E3 \2 a: @* k8 hTVBNOW 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。(b) Jumping direction: if you were in a car or a train carriage, you do not have a 3 x- V- [; u/ g7 y O5.39.217.77:8898choice 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 & d# D# Y1 \! z3 ^( ~TVBNOW 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。landing impact. Do not forget to Roll when the body hit the ground.TVBNOW 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。4 m" B4 h, K5 h% [
(c) Make sure when you jump, you are facing the forward direction. If you are + X' {9 v x& O, I7 I公仔箱論壇facing the away direction, the forward momentum will make you fall on the back , i T" |& C; \# j
of your head first, it could be a fatal hit. 0 Q5 A$ L( @# p0 Q公仔箱論壇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" , w0 P5 d: k; D* B3 w9 pI doubt this is true.TVBNOW 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。: R- Y- Y7 H0 v/ S/ W M& g
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。5 \$ d$ [/ f9 f8 z# Y
momentum will continue its direction unless affect by other external force. (Baisc5.39.217.77:88981 x1 i7 ^% ]* j4 u! n: R
Newton Law) ie. The body will continue to move forward, your forehead will hit @" L3 G' h U2 }; ftvb now,tvbnow,bttvbthe 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
