推 air0909:小弟亂猜的:given P1,P2,Z1and degree=40 ,can get Z2 03/25 22:45
→ air0909:ues bernoulli maybe can get V . then use Q=AV find Q 03/25 22:48
→ Jesuscrash:Z2可以直接求出 Z2=10sin40 03/30 07:51
→ Jesuscrash:不好意思~單位cm Z2=0.1sin40 03/30 07:53
→ Jesuscrash:我是帶入bernoulli 只能求出v1.v2的平方差, 03/30 07:57
→ Jesuscrash:然後再用Q=VA去代V1.V2發現必須兩截面要不一樣才能求Q 03/30 07:57