Fluid Dynamics

22.4 L. At STP 1 mole of any gas will always be equal to 22.4 L.

It depends on several factors, including the shape of the buildings and the direction of the wind. Very generally speaking, the air near the surfaces of the building will slow down, due to drag and resulting turbulent flow, and that farthest from the building(s) will move the fastest.

Swimming. Knowing I would not sink made feel safe.

Taking off in an aircraft: I felt heavier.

Air and friction both being fluids, the resistive forces between them are more related to drag than friction.

It reduces the acceleration of the falling object due to friction.

The key factor is not whether they're entering or exiting, but the speed they're travelling. The escape velocity for reaching Earth orbit is some 11.2 km/s, but vehicles leaving Earth will typically reach that speed only after they've already left the upper layers of the atmosphere. Vehicles enteringthe atmosphere, however, will not have the benefit of huge engines with which to slow their approach to subsonic speeds, and will rely on atmospheric friction to do that for them. Meaning they will hit atmosphere at speeds in excess of 10 km/s.

They move quickly past neighboring particles.

Usually a fluid gradient refers to the pressure gradient in any kind of fluid. It is a quantity that shows which direction and how fast the pressure changes around a location.

Yes, aerial tumbling is a good example of the projectile principle for height. This is because the performer launches themselves vertically, experiences a free-fall phase, and then lands back on the ground. The height achieved during the tumbling routine is a result of the initial vertical launch and the influence of gravity on the performer's trajectory.

2.4 GPa is the same as 2400 MPa. So yes, it's almost 100 times higher.

CFD stand for computational fluid dynamics. Basically, the purpose of CFD analysis is to determine some specific parameters that are needed for a project.

The Nusselt number is the ratio of convective to conductive heat transfer across the boundary layer.

Nu=(hL)/k

h is heat transfer coefficient

L is the characteristic length

k is the thermal conductivity

old equation was : work done = force * distance

lift 100kg up 10m (assume a = 10 (m/s)/s) then wd= 1000n * 10m =10000 n-m

also consider si version : energy change = mgh = 100*10*10=10000joules

Both the can in the pan of water and the mercury barometer function based on the principle of atmospheric pressure. In both cases, changes in atmospheric pressure will cause a corresponding change in the level of water or mercury in the device. The height of the water or mercury serves as an indicator of the atmospheric pressure at that moment.

compressible fluid changes its volume when external pressure is applied and in-compressible fluid does not change its volume due to external pressure

The spiral shape you are observing is a result of a vortex current which has formed as a result of the pressure difference inside the device and the relatively higher air pressure outside the device. The area closest to the air opening will have a higher atmospheric pressure than area further away from the opening resulting in the rising spiral you see. It is a very similar phenomena to the spiral you also see when you flush a toilet, the only difference is instead of the crap going into a sewer it goes into your lungs.

Its the weight of the liquid above the point where you are measuring it, for instance at a depth of 100 feet, find the weight ( in pounds) of water of a column of cross sectional area 1 sq. in. by 100 feet high, this would represent the pressure in pounds per square inch ( PSI )

If your body is not absorbing liquids properly, it could be due to several reasons, including gastrointestinal conditions like celiac disease, Crohn's disease, or irritable bowel syndrome, which can affect nutrient and fluid absorption. Dehydration, infections, or medications might also impact absorption. Additionally, if you are experiencing symptoms like diarrhea or vomiting, these can lead to fluid loss and hinder proper absorption. It's important to consult a healthcare professional for a thorough evaluation and appropriate diagnosis.

A physical equation is a mathematical expression that describes the relationship between physical quantities or properties in a given system. These equations are derived based on fundamental physical principles and are used to predict or quantify how these quantities interact under different conditions. Examples include Newton's second law of motion (F = ma) or Ohm's law (V = IR).

1. The heat produce in the moving pqrt of machinery due to friction result in wear and tear of the part.

2. Friction cause waste of energy.

3. Tyres of vehicle and soles of shoes wear ot in a few month due to friction.

Written by: Gaurav kumar

Class=8th

Well since it is buoyant, it rises until it cools enough to begin falling again.

5 times as much as in one liter. The U.S. gallon has about 3.785 liters. If you multiply that out, you get about 18.9 liters.