2. Water is moving with a speed of 4 m/s through a pipe with a cross-sectional area of 5 cm2. The water gradually descend 10 m as the pipe increases in area to 10 cm2. If the pressure at the upper level is 1.5 x105 Pa, what is the pressure at the lower level? (g=10 m/s2)
詳解 (共 2 筆)
Liou
詳解 #3423433
因為水流在單位時間內的體積是固定的,因此...
(共 201 字,隱藏中)
前往觀看
鍾侑恩
詳解 #3416753
為什麼是英文