Recent content by rodriguez1gv

Using a cylinder seems to give me a dependence on both x and y. I feel like there should be a simpler choice of surface, but I cannot seem to think of it. I have also tried a sphere centered at the origin. I am not sure how I would apply a plane.

x appears to be a scalar. Does this mean that the charge only exists along the x axis? Or is it also distributed through the y-z plane? And the q_{enc} can be written as \int \rho(x) I believe. So I should be able to just integrate my charge distribution from -x to x and consider the area...

Homework Statement I am to find the electric field for a charge distribution of $$ \rho(x)= e^{-\kappa \sqrt{x^2}} $$ Homework Equations I know that gauss law is $$ \int E \cdot da = \frac{q_{enc}}{\epsilon_0} $$ The Attempt at a Solution I am not sure what the charge...

What do you have for the drag forces?

im not sure I tried using vf^2=vi^2+ 2as to find distance from the earth but the number didnt make sense to me. I think I got 88 m from Earth to reach terminal velocity... not sure... This equation only works if you have a constant acceleration, but do you have that in this case? What about...

The two distances refer to two separate cases as well, it looks like you need to solve for each case.

Where is your question? It looks like you have found the thickness of your film (110nm) you need to have destructive interference at the surface of the film.

So, to reiterate, the cos squared is accounting for the perpendicular energy and a reduced incident flux due to the tilt of a surface? That makes sense I think, Thanks for the help!

Hi, I am just trying to understand the basis of radiation pressure. I understand radiation pressure due to absorption, but I am having a hard time understanding the radiation pressure due to reflection. From what I understand there will be an incoming photon with momentum p = E/c. The normal...