Please, I need help with this question.
An ion harvester is scouring deep space for isolated xenon (Xe+) ions. A xenon ion is singly ionized, and has a charge of +e. If the field meter reads 0.000000202 N/C, how far away is it from the ion?
Answer:__________ m
Thank you.
E = k (e) /r^2
r^2 = k e/E
r = sqrt ( k e/E )