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PHYS 1211
University of Georgia
February 10, 2011
Prof. Steven P. Lewis
Midterm Exam #1
Instructions:
This is a closedbook, closednotes exam.
You may consult the colored
sheet of formulas and numerical data that you’ve been provided with, but it is
not
part of
the exam.
Do not hand it in with your exam, as nothing written on it will be graded.
Space is provided after each question to show your work.
If you need more space, you
may use the back of the page or request more paper.
Please clearly indicate where your
work for each problem is.
Underline or draw a box around your final answer.
The exam consists of
five sections
.
I recommend that you read all the questions at the
start, so that you can allocate your time wisely.
You may use a scientific calculator for arithmetic only.
Your calculator must be
non
graphing
,
nonprogrammable
, and
nonalgebraic
.
You may
not
share your calculator.
The use of cell phones, PDAs, or any other electronic devices (besides calculators) is
prohibited.
All such gadgets must be turned off and put away throughout the exam.
•
Do not open the exam until told to begin.
•
You have one class period (75 minutes) to finish the exam.
•
You should put your initials or last name on
every page
of the exam.
•
You
must
provide explanations and/or show work
legibly
to receive full credit on
Sections IIIV.
•
Make sure your answers include appropriate units and significant digits.
(
Note
:
For
intermediate steps, it is wise to carry around more significant digits.)
•
Assume that air resistance is negligible for all questions.
By signing below, you indicate that you understand the instructions for this exam and
agree to abide by them.
You also certify that you will personally uphold the university’s
standards of academic honesty for this exam and will not tolerate any violations of these
standards by others.
Unsigned exams will not be graded.
Print name:
SOLUTION
Signature:
UGA Card #:
I
II
III
IV
V
Bonus
Raw
Total
Scaled
Total
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View Full DocumentPHYS 1211, Exam #1
February 10, 2011
Initials:
(2)
Section I
:
[15 points]
A slowspeed movie, with 1 second between frames, was taken of six balls (AF) moving
from left to right.
The diagram below shows the location of each sphere for each frame
of the movie, starting at
t
= 0 s with the leftmost sphere.
The total time intervals shown
vary among the spheres.
All displacements are in meters.
Rank these spheres on the ba
sis of
greatest average velocity over the first 3 seconds
.
Place the letter corresponding to
the sphere with the greatest average velocity in the leftmost box below the diagram, and
continue in decreasing rank order to the right.
If two diagrams indicate the
same
average
velocity for the 3second interval, put their letters in the
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 Spring '08
 Suggs
 Chemistry, pH

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