-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...
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.