:)]]>

It relies on stating object in modern triangle mesh method. The NIH...

EGS4 Monte Carlo Simulator Geometry Method Proposal]]>

Total energy of free electron gas]]>

I have been trying to understand what is enthalpy (H = U + PV). What has been my current understanding is it is the energy content in a system. And this nicely brings together the energy contents in terms of the 3 state variables, Temperature, Pressure and Volume.

If enthalpy is the...

enthalpy and mass energy]]>

Let's assume we have a copper column resting on an insulated table.

Copper is an electric conductor, which means that some electrons within the copper column move freely throughout the column, subject to electromagnetic...

Gravitationally induced electric voltage in conductor]]>

I got question regarding PV cell.

The current at maximum power I

Furthermore, the...

Current at maximum power - PV cell]]>

https://www.physicsforums.com/threads/hookes-law-for-a-balloon.670566/

First of all, can you please explain this function? σ=σ(λ)....

Questions about this question on Hooke's Law in Balloons]]>

Formulas, websites, anything helpful, just to let you know I haven't taken any high level physics classes so i don't know any of the fancy stuff lol. Thanks for the help]]>

Question about understanding conductors for EM course]]>

Suppose I have a conducting wire secured to a table so it's completely stationary. Suppose I attach a resister of some small amount of resistance, perhaps a light bulb.

Then I take a magnet and slowly move the magnet near the conductor so that a...

Moving Magnet Along a Conductor]]>

Is this correct

thanks]]>

1/x(sqrt(R^2+1/(x^2)))

Just to show the limits as x approaches 0 and infinity, where x is frequency.]]>

Vapor pressure in open container]]>

Imagine a standard water bottle that angles inwards near the top. Now imagine a point on the...

Relation of shape of bottle to water pressure]]>

Solenoid B field lines question]]>

First, if we were to shoot or fling a bullet to low earth orbit, what would the muzzle velocity have to be??

Second, instead of a bullet, if we used a capsule with one passenger...

Fictional physics problem -- Firing projectiles into Earth orbit]]>

Need a formula for this scenario...]]>

Help me solve this mystery.

Today, while walking across the bridge in my local park, I noticed a high-pitched tone coming from the corner of the bridge. It probably wouldn't have been noticed by most unless it was pointed out, but I just happened to be...

Can a bridge sing?]]>

Electromagnetic Waves]]>

Quantum computers]]>

"Braking distance refers to the distance a vehicle will travel from the point when its brakes are fully applied to when it comes to a complete stop."

I'd like to know...

Braking Distance, Skids & ABS]]>

Two dimensional plane equal absolute nothing]]>

Can I think of this in terms of the fact that the boundary conditions for the solution of the TISE are fixed, such...

Energy levels generally invariant under fixed V, changing T]]>

θ = sinθ or θ = θ?

Let's say if the angle of displacement = 45° do I just plug 45° as θ into the equation below or should it be sin(45°)?

Or is it θ = S/R ?

ω

Need help with Newtonian equations with angular momentum]]>

And, one more question: When we say that displacement or velocity varies with change in...

why is acceleration independent of reference frames?]]>

I would think that it would, because if the wire is longer there is more of a chance of their being foreign objects interfering, which could cause resistance, right? Or no?]]>

Is the energy a photon carries with respect to its frequency the same as that of its momentum energy? My understanding is that it is by the energy relations,

$$hf=E$$

$$E^2=p^2c^2+m^2c^4=p^2c^2$$ for a photon with ##m=0##, frequency ##f## and plank constant ##h## . So we have from both,...

Photon Momentum/Energy]]>

As environmental physics isn't my forte, I have a problem that has been annoying me for about a month now at work and I am still getting no where with it... so any help with this head ache is much appreciated. The problem at hand is as follows.

A sealed metal housing is purged with...

Relative Humidity Inside a not so Perfectly Sealed Housing]]>

move around a bit.

Work done on the charge q

F.dl=q(E+v×B).vdt=qE.vdt

dW/dt= qE.v

Now the question is q has also contribution in the field E. How the charge is exerting...

power delivered to a charge]]>

where d'=the apparent depth of the object, d=the actual depth, n1= the index of refraction of the medium in which the refracted light travels, and n1= the index of refraction of the medium in...

Apparent Depth Equation]]>

Difference between Partial pressure and vapor pressure]]>

How water flows even after adverse pressure gradient?]]>

Coefficient of Drag on a model rocket]]>

Generating Water Hammer]]>

Tension (and Frequency) with Change in Temperature]]>