Physics 240 Fall 2005: Exam #2 Solutions
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Form #1
Instructions
1.
Fill in your name above
2.
This will be a 1.5 hour, closed book exam. The exam includes 20 questions.
3.
You may use a calculator, please do not share calculators
4.
You may use two 3”x5” note cards (one from the first exam, plus one new one) with
notes and equations you think may be useful. You can write on both sides of the card
if you like.
5.
You will be asked to show your University student ID card when you turn in your
exam.
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Table of constants:
ε
0
= 8.85 x 10
-12
C
2
/Nm
2
k = 1/(4
πε
0
)
q
electron
=-1.6 x 10
-19
C
q
proton
=1.6 x 10
-19
C
m
electron
=9.1 x 10
-31
kg
m
proton
=1.67 x 10
-27
kg
μ
0
= 4
π
x 10
-7
Tm/A
G = 6.67 x 10
-11
Nm
2
/kg
2

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