Ahome electrical system is joined to the electric company's system at the junction of the
a. service entrance head and service drop.
b. panelboard and service drop.
c. neutral strip in the panelboard.
d. black and red wires in the meter.

Amoving electron has kinetic energy k1. after a net amount of work w has been done on it, the electron is moving one-quarter as fast in the opposite direction. (a) find w in terms of k1. (b) does your answer depend on the final direction of the electron's motion?