By definition, work is a force that's applied over a specific
a. weight.
b. period of time.
c. amount of horsepower.
d. distance.

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.

beta is electron from nucleus

something from nucleus has changed, but charge must be same for cons of charge

what is the actual question though?