What's the second Vf?

Why it's not zero like your first Vf? Wouldn't they all stop in the end？

所有跟帖： 

• 完全非彈性碰撞，兩車碰撞完後， 速度都是Vf -BDXDL- ♂ (96 bytes) () 10/07/2014 postreply 11:54:34

• Your question indicates that you forgot high school physics some -CW62- ♂ (0 bytes) () 10/07/2014 postreply 12:27:16

• Wait a minute, let's see who forgot what after I got off work -MoonRiverMe- ♂ (0 bytes) () 10/07/2014 postreply 13:23:01

• let me ask one thing -MoonRiverMe- ♂ (357 bytes) () 10/07/2014 postreply 16:10:49

• Let me tell you -CW62- ♂ (608 bytes) () 10/07/2014 postreply 17:33:14

• This subject is meaningless to begin with -MoonRiverMe- ♂ (329 bytes) () 10/07/2014 postreply 19:08:08

• 別忙著下結論。車禍受傷是因為保險帶沒拉住人，氣囊沒擋住頭，還是車身形變引起的？我看後者可能性大些。那樣的話，經撞是很重要的。 -周老大- ♂ (0 bytes) () 10/07/2014 postreply 21:19:05

• What a funny logic -CW62- ♂ (694 bytes) () 10/08/2014 postreply 07:14:35

• you don't even know under what condition CM holds true -MoonRiverMe- ♂ (515 bytes) () 10/08/2014 postreply 16:37:57

• Are you serious? -CW62- ♂ (447 bytes) () 10/09/2014 postreply 07:42:18