5. A fluid flows in a pipe from a region with the radius R₁ = 2 Ro to one with the radius R₂ = Ro as shown in the figure below. (The fluid flow is laminar with no viscosity). Determine the ratio between the average speeds in these regions, v₂2/V₁. Show your work. (Note: Ratio is a number, the result of the division of two values.), A₁ V₁ A₂ R₂ = Ro 2

University Physics Volume 1
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ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
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Chapter14: Fluid Mechanics
Section: Chapter Questions
Problem 79P: What is the fluid speed a hose a 9.00-cm diameter 80.0 L of water per second? (b) What is the flow...
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5. A fluid flows in a pipe from a region with the radius R₁ = 2 Ro to one with the radius R₂ = Ro,
as shown in the figure below. (The fluid flow is laminar with no viscosity). Determine the ratio
between the average speeds in these regions, V₂/V₁. Show your work. (Note: Ratio is a number,
the result of the division of two values.).
A₁
R₁ = 2R 1
V₂
A₂
R₂ = Ro
6.
Determine the final temperature of the liquid when you mix:
m₁ = 1.00 kg unknown liquid with specific heat cx at t₁ = 10.0 °C
and
m₂ = 2.00 kg unknown liquid with specific heat cx at t₂ = 40.0 °C.
Assume that no heat is lost to the environment.
2
V₂
Transcribed Image Text:5. A fluid flows in a pipe from a region with the radius R₁ = 2 Ro to one with the radius R₂ = Ro, as shown in the figure below. (The fluid flow is laminar with no viscosity). Determine the ratio between the average speeds in these regions, V₂/V₁. Show your work. (Note: Ratio is a number, the result of the division of two values.). A₁ R₁ = 2R 1 V₂ A₂ R₂ = Ro 6. Determine the final temperature of the liquid when you mix: m₁ = 1.00 kg unknown liquid with specific heat cx at t₁ = 10.0 °C and m₂ = 2.00 kg unknown liquid with specific heat cx at t₂ = 40.0 °C. Assume that no heat is lost to the environment. 2 V₂
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