Aweight of 20.0 n hangs motionless from a spring, with a spring constant of 65.0 n/m. how far is the spring stretched from its original length?

0.130 m
0.308 m
0.769 m
3.25 m

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