# Search results

1. ### Electromagnetic Waves

I got the answer thanks :D The second kind of caught me by surprise, i didn't really expect an answer like that haha.
2. ### Electromagnetic Waves

-Why do electromagnetic waves not readily penetrate metals? Also a question occurred in class, and they asked -"The sun emits most of its electromagnetic wave energy in the visible region of the spectrum with the peak in the yellow-green. Our eyes are sensitive to the same range, with peak...
3. ### Cable Tensions at points, help.

seriously huh, intro to structural engineering is so hard here at ucsd. nope thats all they give us for that question, everything there is evedrything provide
4. ### Cable Tensions at points, help.

Homework Statement Compute the cable tension at the midpoint, (L/2), the quarterpoint (L/4), and support for a 1600 foot span with a sag at the midpoint of 100 feet, when the cable is loaded with 10 kips/foot spread uniformly along the horizontal line. Homework Equations The...