Five 16 resistors are connected in series across a 120 v generator. what is the equivalent resistance of the circuit?

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

Along the line connecting the two charges, at what distance from the charge q1 is the total electric field from the two charges zero? express your answer in terms of some or all of the variables s, q1, q2 and k =14ï€ïµ0. if your answer is difficult to enter, consider simplifying it, as it can be made relatively simple with some work.

Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?