( 6 marks ) Consider three point charges at the corners of a trian- gle, as shown at right, where q, = 6.00 x 10" C, q2= -2.00 x 10 " C, and 93= 5.00 x 10" C. Find the magni- tude and direction of the resultant force on q3. 93 3.00 m 5.00 m4. Two charged objects are near each other. One has a charge of -2.0 x 10" C and the other has a charge of -4.0 x 10" C. If the first charge doubles to -4.0 x 10-5 C, and the second charge doubles to -8.0 x 10 5 the force between the charges changes by a factor of a. 16 c. 2 b. 4 No change occurs