There is approximately 2.54 cm that equals to 1 inch. So your closet answer would be the first choice. :)
And.. where is the rest of the question?
Answer:
opposite charges attract each other while same charges repel each other.
~batmans wife dun dun dun.....
The magnetic force exerted by a field E to a charge q is given by F=Eq. In this case, F=4.30*10^4*(6.80mu C). 1mu C=10^-6C, so F=4.30*6.80=10^-2=0.29N. The direction is in the x direction, the direction that the field is applied because the charge is positive.
Answer:
1.23453*10^5 is scientific way
