A380-n girl walks down a flight of stairs so that she is 2.5 m below her starting level. what is the change in the girl's gravitational potential energy?

Imagine that the rightward current flows in the rod for a short time. as a result, what will the net charge on the right and left ends of the rod become? left end negative and right end positive left end negative and right end negative left end negative and right end nearly neutral left end nearly neutral and right end positive both ends nearly neutral