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sukhopar [10]
2 years ago
14

I WILL MARK BRAINIEST

Physics
2 answers:
ch4aika [34]2 years ago
8 0

Answer:

i think answer b

Explanation:

TiliK225 [7]2 years ago
4 0

Answer:

I think it's B but I'm not 100% sure

Explanation:

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Every few years, winds in Boulder, Colorado, attain sustained speeds of 45.0 m/s (about 100 miles per hour) when the jet stream
siniylev [52]

Answer:

F = 260 kN

Explanation:

given,                                

speed = 45 m/s            

Area = 225 m²                    

air density = 1.14 Kg/m³                

Atmospheric pressure =  8.89 ✕ 10⁴ N/m²

Using  Bernoulli equation          

assuming the level is same        

P_1 - P_2 = \dfrac{1}{2}\rho V^2

\Delta P= \dfrac{1}{2}\rho V^2          

\Delta P= \dfrac{1}{2}\times 1.14 \times 45^2

\Delta P=1154.25\ Pa

Force = Pressure x area              

Force =1154.25 x 225        

F = 259706.25 N                              

F = 260 kN                      

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