Which has more pressure, FIRST one gets all the points.
1 answer:
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Answer:
The fluids speed at a) and b)
are
and
respectively
c) Th volume of water the pipe discharges is:
Explanation:
To solve a) and b) we should use flow continuity for ideal fluids:
(1)
With Q the flux of water, but Q is using this on (1) we have:
(2)
With A the cross sectional areas and v the velocities of the fluid.
a) Here, we use that point 2 has a cross-sectional area equal to , so now we can solve (2) for
:
b) Here we use point 2 as :
c) Here we need to know that in this case the flow is the volume of water that passes a cross-sectional area per unit time, this is , so we can write:
, solving for V: