paolacorazza
22.08.2020 •
Physics
Rainwater draining from a neighborhood street initially travels at 4 ft/s through a pipe with a cross-sectional area of 15.7 ft2. This pipe connects down the street to another pipe with a cross-sectional area of 65.4 ft2. What would be the speed of the water as it moves through this larger pipe?
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Ответ:
The velocity is
Explanation:
From the question we are told that
The initial speed is
The cross -sectional area of the first pipe is
The cross -sectional area of the second pipe is
Generally from continuity equation we have that
So
=>
=>
Ответ:
atoms transfer electrons to form cations and anions
ions transfer electrons to form cations and anions
anions and cations donate electrons