SP212‐Spring‐2016 CH‐22‐A Assignment First do the following Wiley‐Plus assignment: Assignment #22a After completing the Wiley‐Plus, in your homework notebook, complete the following problems: CH22 Question # 2 CH22 Problems #2 and 7 To check your work, the answers to the odd problems are in the back of the book. The answers to the even problems are: #2) a) FE 6.4 x1018 N b) 20 Homework Then complete the attached worksheets: (Note: the above problems were designed to ensure you have the skills to solve the worksheet problems. It is imperative to your learning of the problem solving technique to do the above problems BEFORE attempting the worksheet problems. You are graded on both! Homework notebooks are graded.) CH‐22‐A‐1: For each of the equations below, 1) State what each term is in your own words … 2) What the units of each term are… 3) What is the general use of that equation in your own words? kq E 2 rˆ r A. B. p qd C. D. ,includewhatthemostimportantinformationthatisdetermined fromthisdefinitionofelectricfield?Hint,lookatpages631and632. CH‐22‐A‐2: Three point charges are arranged in a line as shown. If Q = 80 nC and a = 4.0 m , what is the magnitude and direction of the electric field at point P? Show all work including vector diagrams! CH‐22‐A‐3: Figure below shows a particle with charge +9q at the origin of an x axis and a particle with charge ‐q at x = L. At what x‐coordinate is the net electric field due to these two charges zero? Show all work including vector diagrams! CH‐22‐A‐4: A Physicist places an electron in an electric field of magnitude| | 1.4 10 She measures the acceleration of the particle. (a) What is the value of the acceleration magnitude she measures? Show all work: (b) How long would the particle take, starting from rest, to attain a speed of . Show all work: ? .