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Short Answer Questions:

A. State what provides the up thrust on an object when it is immersed in a fluid.

B. The volume flow rate V of a viscous liquid undergoing steady flow through a tube of length L and radius r is V= [tex]\frac{\pi r^{4}P }{8/ηL}[/tex] where η is the viscosity of liquid, P is pressure difference between the ends of the tube


Water of density 1000kg/m³ flows out of a container through a tube of length 13em and internal diameter 1.8mm as shown in figure.

When the axis of the tube is an a depth of 9.1 cm below the water surface , water runs out of the tube at a rate of 1.5*[tex]10^{-6} m^3s^{-1}[/tex]

1) Calculate the pressure difference between ends of tube.

2)Determine the viscosity of the water.

Respuesta :

Lanuel

According to Archimede's principle, a physical object experiences an upthrust due to a difference in pressure between upper and lower  surfaces.

What is an upthrust?

An upthrust is also referred to as buoyancy and it can be defined as an upward force which is exerted by a fluid (liquid or gas), so as to oppose the weight of a partially or fully immersed physical object that is floating in it.

Based on scientific information, a physical object experiences an upthrust when it is immersed in a fluid due to a difference in height and pressure between upper (top) and lower (bottom) surfaces.

According to Archimede's principle, there is a higher pressure at the bottom of the physical object due to height, and a lower pressure at the top of the physical object.

Read more on upthrust here: https://brainly.com/question/24389514

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