Friday Homework 3 Electric Field Friday k is due at the beginning of the Friday

Question

Friday Homework 3 Electric Field Friday k is due at the beginning of the Friday lecture. It must be handwritten. not typeset. The multiple- homewor a of the answer is answers must be space the problem, short justification The open response answers must be worked out cleary using good Pesentation and wan be gaded problem on the assignment printout, additional paper may be used if needed. No credit will be given for without appropriate supporting work. Minimum good presentation requires the following (1) Symbolic expression for formula. (2) Manipulation of symbolic not numeric (3) Substitution of numbers any correct units and vector expressions, (5) Enough English description with units, (4) Reporting answers with doing without looking at the math. to allow the reader to have some idea what you Multiple-Choice Problems Friday Homework Problem 3.1 13 pt(s) J Consider the system of point charges drawn to the right. Two objects with charge +g and -2g are placed near the origin, lem apart on the of the field at a point w axis. What is the approximate direction P a distance m along the r axis? Select One of the Following (a) positive r direction (b) negative r direction (c) positive y direction (d) negative y direction (e) The field is zero at point P. Friday Homework Problem 3.2 13 pt(s) J The figure to the right shows a uniform electric field. Compare the magnitude of the acceleration of a charged particle with charge +y placed at points A and B. B. Select One of the Following:

Explanation / Answer

3.1] negative x axis.

It is because the net charge at origin will be -q which will cause field at P towards -xaxis

3.2] option a, acceleration is same at both location as mass and forces are same. a=F/m = qE/m

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