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Calculating Nozzle Flow Rate - Physics Forums Calculating Nozzle Flow Rate To work out the flow rate of water from a nozzle we need to work out the volume in a given period of time To do this we work out the area of the nozzle and then multiply it by the velocity of the water coming from the nozzle to give us volume per unit of time
Calculating velocity of a particle if distances are constant In that case, A and B are satellites of C, and when the three particles become collinear (distance between A and B is 10 m), A stops moving "towards B with velocity 5 m s and B" stops moving "towards A with same speed as A" Indeed The equations will lead to the y coordinate (distance from C to the line AB) becoming imaginary
Converting velocity to pressure - Physics Forums I am trying to work with the simplified Bernoulli equation to determine how to convert a drop in flow velocity across a stenosis (narrowing) into a change in hemodynamic pressure Radiologists often use Doppler ultrasound to measure flow velocity change in a blood vessel with a stenosis- but I
Addition of Velocities (Velocity Composition) in Special Relativity The “Addition of Velocities” formula (more correctly, the “Composition of Velocities” formula) in Special Relativity is a non-intuitive result that arises from a “hyperbolic-tangent of a sum”-identity in Minkowski spacetime geometry, with its use of hyperbolic trigonometry However, I claim it is difficult to obtain this by looking at the Galilean version of this formula and then
Permeability of Metglas and Propagation Velocity The first is the velocity of wave propagation along the boundary between the material and air or space That will be close to the speed of light, slowed down by the dielectric constant of the surface coating The second is the velocity of propagation into the material, perpendicular to the surface, which is much slower
How can the average velocity in laminar fully developed pipe flow be . . . Here it is! We wand to find average velocity Now let's start from basics:- Average velocity means average velocity of all the particles in a unit cross-section of the tube So consider a ring of radius r having a differential are equal to 2*Pi*r*dr So multiplying this by velocity gives the sum of velocity of all the particles in that differential tube So if we integrate from 0 to R, we get
Velocity of Fluid flow due to gravity - Physics Forums Energy conservation is sufficient to get a good estimate - if some mass m leaves the pipe at a height h below the water surface of the tank, its kinetic energy is m*h*g, this allows to find the velocity Finding the speed of the wheel is trickier if you do not want to waste huge amounts of water And you probably want some method to keep the height of the water in the tank constant
Minimum angular velocity of a point mass on a rotating rod Because the system has no friction, when the point mass falls, I think both angular momentum and energy are conserved Further because the rod is massless, there cannot be a vertical force from mass on the rod The difficulty is to determine the property of tension It determines the subsequent