1. 1. Two charged spheres,10.0cm apart,attract eachother with a force of magnitude 3.0 x 10^-6 N. What force results from each of the following changes, con- sidered separately? (a) Both charges are doubled, while the distance remains the same. (b) An uncharged,identical sphere istouched to one of the spheres and is then taken far away. (c) The separation is increased to 30.0 cm.