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77777
77777
Instructor(s):
A. Hebard/J. Klauder
PHYSICS DEPARTMENT
PHY 2048
Final exam
December 8, 2007
Name (print, last ﬁrst):
Signature:
On my honor, I have neither given nor received unauthorized aid on this examination.
YOUR TEST NUMBER IS THE 5DIGIT NUMBER AT THE TOP OF EACH PAGE.
(1)
Code your test number on your green answer sheet (use 76–80 for the 5digit number)
. Code your name on
your answer sheet. Darken circles completely. Code your UF ID number on your answer sheet.
(2) Print your name on this sheet and sign it also.
(3) Do all scratch work on this exam to the right of the questions, and anywhere else on this exam that you like. At the end
of the test, this exam printout is to be turned in. No credit will be given without both the answer sheet and printout,
with the scratch work which most questions demand of anyone.
(4) You will receive one point for each correct answer and zero points for an incorrect answer or no answer.
(5) Use a number 2 pencil on the answer sheet. Do not make any stray marks, or the answer sheet may not be read properly.
>>>>>>>>
BEFORE YOU FINISH
<<<<<<<<
Fold the exam so that your name is on top, include any ﬁgure sheet inside the printout. Hand in the answer sheet separately.
Possibly Useful Equations:
~
A
·
~
B
=
A
x
B
x
+
A
y
B
y
+
A
z
B
z
~
A
·
~
B
=

~
A

~
B

cos
θ

~
A
×
~
B

=

~
A

~
B

sin
θ
~
F
=
m~a
~x

~x
0
=
~v
0
t
+
1
2
~at
2
~v
=
~v
0
+
~at
~
V
AC
=
~
V
AB
+
~
V
BC
g
= 9
.
8m
/
s
2
1
2
(
v
2

v
2
0
) =
~a
·
(
~x

~x
0
)
v
=
√
2
ax
f
k
=
μ
k
N
f
s
≤
μ
s
N
sin(
A
±
B
) = sin(
A
)cos(
B
)
±
sin(
B
)cos(
A
)
~v
avg
=
~
r
f

~
r
i
Δ
t
~a
avg
=
~v
f

~v
i
Δ
t
(
f
= ﬁnal,
i
= initial)
Rotational kinematics (
α
constant):
translation
↔
rotation
θ
=
θ
0
+
ω
0
t
+
1
2
αt
2
,
ω
=
ω
0
+
αt
s = r
θ
,
v = r
ω
,
a = r
α
ω
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 Summer '08
 Field
 Physics

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