I am too old to be a student. By the way, appeal to authority is a logic fallacy.
What is your point? Of course I am not a physics student
所有跟帖:
• 能量守恒:係統變化前的能動矢量=係統變化後的能動矢量。 -人類拯救計劃- ♂ (0 bytes) () 05/11/2010 postreply 12:51:09
• 那是能量守恒加動量守恒,能動矢量的每一個分量也都是守恒的. -cys254- ♂ (17 bytes) () 05/11/2010 postreply 13:22:03
• 能量是最標準的標量。不是矢量。 -radiology- ♂ (0 bytes) () 05/21/2010 postreply 15:42:21