years, In Bou speeds of 45 100 mi/h) when the jet stream descends during early spring. Approximately s the force due to the Bernoulli effect on a roof having an area of 220 m²? | air density in Boulder is 1.14 kg/m³, and the corresponding atmospheric re is 8.89 × 104 N/m². (Bernoulli's principle as stated in the text assumes r flow. Using the principle here produces only an approximate result, because

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Chapter12: Fluid Dynamics And Its Biological And Medical Applications
Section: Chapter Questions
Problem 15PE: Water emerges straight down from a faucet with a 1.80-cm diameter at a speed of 0.500 m/s. (Because...
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Every few years, winds in Boulder, Colorado, attain sustained speeds of 45.0 m/s
(about 100 mi/h) when the jet stream descends during early spring. Approximately
what is the force due to the Bernoulli effect on a roof having an area of 220 m?
Typical air density in Boulder is 1.14 kg/m³, and the corresponding atmospheric
pressure is 8.89 × 10ª N/m². (Bernoulli's principle as stated in the text assumes
laminar flow. Using the principle here produces only an approximate result, because
there is significant turbulence.)
Select the correct answer
O 1.45 × 105 N
O 2.54 × 105 N
O 6.08 × 104 N
O 8.44 x 104 N
O 9.78 × 104 N
Transcribed Image Text:Every few years, winds in Boulder, Colorado, attain sustained speeds of 45.0 m/s (about 100 mi/h) when the jet stream descends during early spring. Approximately what is the force due to the Bernoulli effect on a roof having an area of 220 m? Typical air density in Boulder is 1.14 kg/m³, and the corresponding atmospheric pressure is 8.89 × 10ª N/m². (Bernoulli's principle as stated in the text assumes laminar flow. Using the principle here produces only an approximate result, because there is significant turbulence.) Select the correct answer O 1.45 × 105 N O 2.54 × 105 N O 6.08 × 104 N O 8.44 x 104 N O 9.78 × 104 N
Water emerges straight down from a faucet with a 2.50-cm diameter at a speed of
2.18 m/s. (Because of the construction of the faucet, there is no variation in speed
across the stream.) What is the diameter of the stream 0.200 m below the faucet?
Neglect any effects due to surface tension.
Select the correct answer
O 1.79 cm
O 2.15 cm
O 2.81 cm
O 1.38 cm
O 1.21 cm
Transcribed Image Text:Water emerges straight down from a faucet with a 2.50-cm diameter at a speed of 2.18 m/s. (Because of the construction of the faucet, there is no variation in speed across the stream.) What is the diameter of the stream 0.200 m below the faucet? Neglect any effects due to surface tension. Select the correct answer O 1.79 cm O 2.15 cm O 2.81 cm O 1.38 cm O 1.21 cm
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