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This is Not True: a1 q$ t0 {/ j  }0 D& H
(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 tvb now,tvbnow,bttvb/ L! x- u7 H# r- h& k; p, u
effect is not significant.  OK this explain the speed aspect.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。1 h. D- a4 ?% S% e$ m
(b) Jumping direction: if you were in a car or a train carriage, you do not have a
( I4 S# ]" e7 ]0 Q1 B5.39.217.77choice 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 tvb now,tvbnow,bttvb& J3 [! I, R- B1 f0 D
landing impact.  Do  not forget to Roll when the body hit the ground.
( q# V8 B" Z. v  k公仔箱論壇(c) Make sure when you jump, you are facing the forward direction. If you are tvb now,tvbnow,bttvb/ i' J5 _0 B2 g/ R
facing the away direction, the forward momentum will make you fall on the back
8 D0 y8 K* z% c; s! B+ rtvb now,tvbnow,bttvbof your head first, it could be a fatal hit.
+ g8 F: u' {; ~4 G9 X4 C公仔箱論壇This is my 2 cents worth.
"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"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。; P- J  O8 X$ F, \; e# {1 |
I doubt this is true.
) j* I+ n2 q8 @7 E& b+ s& U) h( VTVBNOW 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。If you are carrying a forward momentum and when the body/ object landed, the5.39.217.77% G* J4 L% W; D( ^( X% {' _: }% W
momentum will continue its direction unless affect by other external force. (Baisc
2 n. {( c( v, ^Newton Law) ie. The body will continue to move forward, your forehead will hit
5 d$ l- u2 B) Lthe ground first unless you lean back when you jump off the moving object.
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