# PHY108_T2_2010_answers - PHY108 Fall 2010 EXAM 2 October...

This preview shows pages 1–3. Sign up to view the full content.

1 PHY108 Fall 2010 EXAM 2 October 23, 9:00 – 11:00 a.m. Circle your instructor’s name : Prof. Ia Iashvili ( T,Th 12:30-1:45 pm) Prof. Athos Petrou ( M,W,F 2:00-2:50 pm) PRINT YOUR NAME LAST NAME FIRST NAME SIGN YOUR NAME STUDENT ID NUMBER Useful Constants o = 8.85 10 -12 C 2 /N.m 2 k = 8.99 10 9 kg.m 3 .s -2 .C -2 e = 1.60 10 -19 C m p = 1.67 10 -27 kg m n = 1.67 10 -27 kg m e = 9.11 10 -31 kg N A = 6.02 10 23 atoms/mol INSTRUCTIONS This is a closed book exam except that you are allowed one 8.5”x11” sheet with whatever you wish to write on it. There are 4 problems – you must attempt them all. Allow approximately 20 minutes for each problem. You must show ALL your work to receive full credit. Numerical answers must have SI units and the appropriate number of significant figures. Use the back of the problem page if you need more space and mark OVER on the front side to indicate that there is material at the back side. Enter your answers in the box at the bottom of each page. PROBLEM NUMBER MAXIMUM SCORE YOUR SCORE GRADER 1 25 2 25 3 25 4 25 TOTAL 100

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
2 P1. Consider the square shown in the figure that has side length a =14.0 cm. A charge 1 2.00 C q is placed at point (0 cm, 0 cm). A charge 2 3.00 C q 
This is the end of the preview. Sign up to access the rest of the document.

## PHY108_T2_2010_answers - PHY108 Fall 2010 EXAM 2 October...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online