In Figure an electron (e) is to be released from rest on the central axis of a uniformly charged disk of radius R. The surface charge density on the disk is + 4.00?C/m2. What is the magnitude of the electron's initial acceleration if it is released at a distance?(a) R,(b) R/100, and(c) R/1000 from the center of the disk?(d) Why does the acceleration magnitude increase only slightly as the release point is moved closer to the disk?