Exam 1011
Physics 2220
Spring 2003
Examination 1
Name: _____________________________
SS#:
_____________________________
Professor/Section :
Weathers/2
(circle one)
McDaniel/3
McDaniel/4
DIRECTIONS for Bubble Sheet
Bubble in your name (last, first, MI),
SS# (A through I of identification number)
Course section # (L of special codes),
Exam # (MNOP of special codes)
To receive credit, you must show all work for all 15 problems on the pages provided.
Don’t hand in any extra sheets or other paper.
We suggest that you use the following procedure to solve the problems:
1.
Read each problem carefully and make sure you know what is being asked
before starting the problem.
2.
Draw a figure for the problem.
3.
List the parameters given.
4.
Write down the equations to be used.
5.
Solve for the answer algebraically.
6.
Substitute numbers into your final equation and circle your answer before filling
in the answer sheet.
WORK THE EASY PROBLEMS FIRST!!!
Constants:
k
= 8.99 × 10
9
N·m
2
/C
2
ε
o
= 8.85 × 10
–12
C
2
/(N·m
2
)
e
= 1.60 × 10
–19
C
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A positively charged insulating rod is brought close to an object that is suspended by
a string.
If the object is attracted toward the rod we can conclude:
a.
the object is positively charged
b.
the object is negatively charged
c.
the object is an insulator
d.
the object is a conductor
e.
none of the above
2.
A charge +3
q
is located at the origin, and another charge +
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 Spring '00
 Littler
 Physics, Charge, Magnetism, Electric charge, N/C

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