This is Not True 2 e9 n' c( E1 v9 y2 }) F& k6 |" O8 v5.39.217.77(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 8 F4 H. v1 s; @$ a
effect is not significant. OK this explain the speed aspect. . g: T; {2 V% x0 S8 ytvb now,tvbnow,bttvb(b) Jumping direction: if you were in a car or a train carriage, you do not have a - a6 n- C- U8 P5 S* dTVBNOW 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。choice 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 ( t4 y0 T& y4 l! h1 @/ `" f. W7 c; Btvb now,tvbnow,bttvblanding 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。6 _7 n- P, P: Q" N
(c) Make sure when you jump, you are facing the forward direction. If you are 7 `' D4 n* P9 d |# Ltvb now,tvbnow,bttvbfacing the away direction, the forward momentum will make you fall on the back 1 e: r3 c! j) M公仔箱論壇of your head first, it could be a fatal hit.公仔箱論壇$ e u4 ?$ n8 m
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" 1 h3 \: w [0 S公仔箱論壇I doubt this is true. " ?! m! w0 v' y3 T1 w4 i公仔箱論壇If you are carrying a forward momentum and when the body/ object landed, the公仔箱論壇/ ~" m) i. r* \& \
momentum will continue its direction unless affect by other external force. (Baisc 4 u% D b% I+ kNewton Law) ie. The body will continue to move forward, your forehead will hit 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。- B1 d2 z* p2 ]* h1 L
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
