Asteel beam has a rectangular cross section (b mm and h mm) with a length, l m. for steel, e in gpa and p in kg/m3. the beam supported in : fixed-free determine a) list the boundary conditions b) compute the three lowest temporal frequencies. lenth, l (m) b (m) h (m) e (gpa) density, p (kg/m3) 1.50 ,0.155, 0.060, 200, 7750 respectivley

The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force

I'm thinking it's 2 you are asked to explain the earth's magnetic field. which is the best reply? 1. the earth's magnetic south is similar to the north pole of a magnet. 2. the earth's core has a strong magnetic charge similar to the south pole of a magnet. 3. the earth's geomagnetic south is similar to the south pole of a magnet. 4. the earth's magnetic charge is not centered at either pole; it varies based on location.

At the negative terminal of the battery the electron has electric potential energy. what happens to this energy as the electron jumps from the negative to the positive terminal?