A sound wave generated as a frequency of 440 Hz has a wavelength of 2.3 m as it travels to Solomon

the answer is neither ball has a charge.

because if they were both positively charged, they will repel each other.

if they were positively and negatively charged, they will seek.

i would say

one "light year" is the distance that light travels, through vacuum, in one julian year.   that's 365.25 days, of 24 hours each.