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agray062103
16.03.2020 •
Mathematics
A liquid (r 1.65 g/cm3) fl ows through two horizontal sections of tubing joined end to end. In the fi rst section, the cross-sectional area is 10.0 cm2, the fl ow speed is 275 cm/s, and the pressure is 1.20 105 Pa. In the second section, the cross-sectional area is 2.50 cm2. Calculate the smaller section’s
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Ответ:
The question is incomplete: This is the complete Question
A liquid (ρ = 1.65 g/cm3) flows through two horizontal sections of
tubing joined end to end. In the first section the cross-sectional area is
10.0 cm2 , the flow speed is 275 cm/s, and the pressure is 1.20 x 105
Pa. In the second section the cross-sectional area is 2.50 cm2. Calculate
the smaller section’s (1) flow speed and (2) pressure.
(1) Smaller's section flow speed =![1100cm/s](/tpl/images/0548/6561/15037.png)
(2) Smaller's section pressure =![2.64*10^{5}Pa](/tpl/images/0548/6561/d4f93.png)
Step-by-step explanation:
Question 1
Using the continuity equation, we have that:
Question 2
Next, we apply Bernoulli's Equation
Let r = ρ(the density)
The pressure is given to us in its fundamental unit, Pa. So, we need to convert the speeds and density to their fundamental units.
Ответ:
2.2 + (-2.5)
Step-by-step explanation: