âWhere long-term costs are considered, roundabouts eliminate hardware, maintenance and electrical costs associated with traffic signals, which can cost between $5,000 and $10,000 per year.âEngineers also consider how the improvement affects the capacity of the intersection, and how the improvement affects traffic flow.Where long-term costs are considered, roundabouts eliminate hardware, maintenance and electrical costs associated with traffic signals, which can cost between $5,000 and $10,000 per year.
P. G. Part E. Now find the magnitude of the force on an electron placed at point P. Recall that the charge on an electron has magnitude e = 1.60 * 10 -19 C. Enter your answer numerically in newtons. The force is just the electric effect of two charges.
You know the wave is moving in the negative y direction and the electric field is orientated in the positive x direction so it follows that the magnetic field is orientated in the positive z direction. And the orientation of the magnetic field will follow te same sign as the electric field. sc0ttocs Â· 9 years ago.