View Policies Current Attempt in Progress Identical point charges of +3.1 UC are fixed to three of the four corners of a square. What is the magnitude |q of the negative point charge that must be fixed to the fourth corner, so that the charge at the diagonally opposite corner experiences a net force of zero? llql = Number Units e Textbook and Media Save for Later Attempts: 0 of 4 used Submit Answer Using multiple attempts will impact your score. 50% score reduction after attempt 3