mamasing

This is Not True
4 B( }. `( N3 A' `" q3 `5 bTVBNOW 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。(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 公仔箱論壇; z5 o5 d# D, @
effect is not significant.  OK this explain the speed aspect.5.39.217.77- m# Q3 S6 c+ |' ~
(b) Jumping direction: if you were in a car or a train carriage, you do not have a
: ]5 [9 R5 i. ~- {, [! eTVBNOW 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
( S4 W* H* P7 l; L- |公仔箱論壇landing impact.  Do  not forget to Roll when the body hit the ground.
. W: j. {. D) `4 d# ^) \: ?公仔箱論壇(c) Make sure when you jump, you are facing the forward direction. If you are
: |2 l  U. f( w: C/ f3 s公仔箱論壇facing the away direction, the forward momentum will make you fall on the back
9 z' s0 z! G1 L% J% F  [of your head first, it could be a fatal hit.
+ f# P2 e6 L9 x7 w8 P6 V. a7 t公仔箱論壇This is my 2 cents worth.

mamasing

"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"
3 A8 S1 _' Z' X' \% O4 ?' TTVBNOW 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。I doubt this is true.
( t4 Y$ K. b; _: ]7 `/ p: |If you are carrying a forward momentum and when the body/ object landed, the
$ `# }1 W8 Z. x* Amomentum will continue its direction unless affect by other external force. (Baisctvb now,tvbnow,bttvb) d- k% f2 A; a  j, R5 k5 y9 {2 _
Newton Law) ie. The body will continue to move forward, your forehead will hit 5.39.217.778 n, o2 K0 F( E  W" e
the ground first unless you lean back when you jump off the moving object.