downloadable incandescent spectrum
Does anyone know where I can find a spreadsheet for the spectrum of an incandescent bulb?
View Articleadding stirring force acting on the fluid
when you stir fluid in a beaker of fluid, how is the motion on the fluid by the stirring rod calculated? the fluid is represented using smoothed particle hydrodynamics lagrangian method so that I can...
View ArticleElectric field of a uniformly charged disk
Hello, I am looking at an example of finding the charge of a uniform disk with a continuous charge on the surface. They go about the problem by finding the infinitesimal charge of concentric rings dq =...
View ArticleSteam property
If i am supplying steam at a pressure of 3.8 bar (temperature at this pressure is 142 C) and the steam flow gets blocked. Does the temperature of the steam increase at the same pressure?
View ArticleRadius as a function of Uniform Circular Motion
How exactly does radius affect centripetal acceleration? In one formula we have (a=v^2/r) which implies inversely proportional, while in the other we have (a=(w^2)*r) which implies directly...
View ArticleWhy does an a moving charge spin in a magnetic field
I am very much familiar with the Lorentz force. From what I know, that is HOW a moving charge in a magnetic field gains centripetal acceleration. My question is this : Is there any explanation over why...
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Is this use of the grad function correct?
Hi, I am currently studying vector calculus, and to try and understand it I have created a question for myself, and it would be greatly appreciated if someone could verify that I have answered my...
View ArticlePolarization by Reflection
Unpolarized light falls on an angle of 37.5 ° with a plan glass surface. The reflected light polarization is examined with a Polaroid. The ratio between maximum and minimum intensity from Polaroid when...
View ArticleConservative forces and systems
I read in a book that if the constraint forces do work, the system is conservative, else it's nonconservative. In that case, consider a system of two bodies moving in an elliptical path under...
View ArticleThe translational force on a piece of iron in a magnetic field
Ok so if there be a piece of iron in a uniform magnetc field B, what will be the force on the iron? You can assume any variable you want, but i want to find the magnetic force that causes the iron...
View ArticleHow do you find terminal velocity?
So I have a limited knowledge of physics, and so every article i have attempted to read contains to much technical jargon for me to understand. Can you please explain how, if given say a sphere, what...
View ArticleThermal Conductivity of Porous Material
does anyone know where this equation regarding the thermal conductivity of porous material K=K[itex]_{}0[/itex][(1-P)[itex]/(1-B P[/itex])] comes from? I know B has to do with thermal density, but I...
View ArticleFinding Electric Potential of concentric shells
A thin spherical shell with radius = 3.00 is concentric with a larger thin spherical shell with radius 7.00 . Both shells are made of insulating material. The smaller shell has charge distributed...
View Articlea basic question: jinc function in coherent and incoherent system
I am learning Fourier optics recently and I have a problem of the jinc function. In optical systems, digital image is blurred with the kernel of jinc function [itex]h(x,y)=jinc(r)=\frac{J_1(2\pi r /...
View ArticleHelp finding this textbook (link to PDF inside)
Hi, everyone. Please help me identify this textbook. Here's the link. Thanks!
View ArticleConduction between two materials
When I have a metal object at 0 degrees and a plastic object at 0 degrees, the metal feels colder as heat is conducted away at a faster rate. The reason for that would be that the metal is a better...
View ArticleQuestion on Momentum
We know that momentum of a closed or isolated system is always conserved . Now for INELASTIC collision, lets make It simple,consider a system with only two moving particles. If they collide...
View ArticlePrinciples of a Hookah
Dear Forum Users, Please look at this diagram: http://kronicunderground.com/wp-cont...1275695035.png I know that when you suck in on the hose you create a pressure difference which pushes the air from...
View ArticleQuestion about fluid dynamics (calculating concentration)
Hi all, I have a question about calculating the concentration of continuous air and carbon monoxide flowing through a pipe. If the gas cylinder originally has 20% CO and 80% air and it will be diluted...
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