Recitation 5 (week of September 27nd)
Fall 2010
1. What do UNC graduates do?
Melissa is a UNC graduate who became a New York City supermodel. She
is down on her luck. She is not making any money and her latest purchase of Manolo
Blahnik shoes sends her cr
Recitations #4.
Fall 2010.
1. Crooked rocket.
Engineers from NC State constructed a rocket ship. Due to
certain subtle design flaw the floor of the rocket intended to be flat
is instead placed at angle with the horizontal.
A box of pepperoni and mushrooms
Recitation Problems #3
Fall 2010
1. Rotating astronaut.
You are a NASA engineer designing a Super-Merry-Go-Round (SMGR) apparatus
capable of subjecting prospective astronauts to centripetal accelerations exceeding 5 g.
The radius of the arm of SMGR is abo
Recitations #1
PHYS 116 Recitation #1 (Week of August 30th 2010)
Please read the problems, think about them, work on them and come to class ready to contribute.
Problem #1.
The position, x (in m), of Darryl The Beaver moving along a straight line is chang
Math 548 Preview Problems
This series of problems will be separate from the other series of problems
for this course in every respect:
Nature: Nearly all of the preview problems will ask you to find the number of
objects which satisfy certain conditions b
EM image of an animal mitochondrion
http:/library.thinkquest.org/C004535/media/mitochondrion_em.gif
Classical view of the mitochondrion
Voet/Voet Fig. 22-2
Three-dimensional image reconstruction of a
rat liver mitochondrion.
Voet/Voet Fig. 22-4
Filamentou
Optional Math 548 Survey
Last Name
Nickname or First Name
Anticipated graduation date:
Although I'd like to get to know all of the students in both of my classes this
semester, to be realistic in two traditional math lecture settings I probably won't be
a
Predicted secondary structure and
membrane orientation of the glucose
transporter
Voet/Voet Fig. 20-9
Outside
Model for the
structure of the
human GLUT1
transporter
Inside
Zuniga F A et al. J. Biol. Chem. 2001;276:44970-44975
Model of GLUT1
shows a channe
Chem 241H -Spring 2011
Chemistry 241
Professor: Gary L. Glish
Office: Caudill 320
Phone: 962-2303
962
email: chem241glish@unc.edu
Office Hours:
Chemistry 241 Prerequisites
Chem 102 or 102H
It is an Honor Code violation to enroll
in a course for which you
Chem 241H Spring 2011
Definitions
Definitions - Electricity
Electrochemistry
is the use of
Basics
electricity to:
make chemical measurements
chemical measurements
drive chemical reactions
1
Definitions - Electricity
- quantity of charge flowing
through
Chem 241H Spring 2011
Spectrophotometry
Spectrophotometry is the use of
light in chemical measurements
Spectrophotometry
Electromagnetic radiation consists of
perpendicular oscillating electric and
magnetic fields
Light = electromagnetic radiation
Des
Chem 241H Spring 2011
Analytical Separations
Why separate compounds?
to isolate or concentrate component(s)
from a mixture
to separate a component(s) from other
species that would interfere in the
analysis
Methods of Separation
Extraction
washing clot
Recitations #6
Fall 2010
1. Julie the Gopher in the well.
Julie who is treated as a particle is moving in her den under the
influence of a potential energy U(x). In the region of x>0 the potential is
described by
U(x) = UO (b/x +x/b),
where U0 is equal to
Recitations problems #7.
Fall 2010
1. Beavers in a bowl.
Darryl (mass mD) and Lucy (mass mL ) are playing in a spherical
bowl of radius R=1m with the left side frictionless and the right side rough.
For more on beavers see
http:/www.ncwildlife.org/Wildlif
Chapter1,2
3.
37
36
24
13
5
1
B
A
B
E
C
2
E
B
A
B
E
3
A
C
D
C
A
4
C
D
E
A
D
5
D
E
C
D
B
7.
(a)5+5+3+3+3+2=21
(b)11
c)C(zerolastplacevotes)
10.225+675=900=100%(20%+40%)=40%ofvotes
then40%=900
and20%=450
12.
(a)D
(b)1.D2.A3.B4.C
17.
a)A
b)1.A2.C(fewerlastpl
Test 1
MA 141-002, Summer Session I, 2013
May 29, 2013
Name:
Please show work to receive partial credit.
Calculators, notes, books, and any other outside source are NOT allowed on this test.
There are 4 pages and 6 problems.
If you use extra paper to work
Test 2
MA 141-002, Summer Session I, 2013
June 7, 2013
Name:
Please show work to receive partial credit.
Calculators, notes, books, and any other outside source are NOT allowed on this test.
There are 4 pages and 7 problems.
You have one hour to complete
Test 3
MA 141-002, Summer Session I, 2013
June 18, 2013
Name:
Please show work to receive partial credit.
Calculators, notes, books, and any other outside source are NOT allowed on this test.
There are 3 pages and 7 problems.
You have one hour to complete
Recitations Problems #10 - Physics 116
Fall 2010
Problem #1. Gyroscope.
Please read the section in your textbook and the notes on the Bboard about gyroscopes.
There will be a discussion of gyroscopes and the demo of gyroscopes in action.
You can see one h
Recitations problems for the week of Oct 25th.
Fall 2010.
1. Some simple questions on rotational motion:
A. A thin ring and a sphere of the same mass roll down the inclined plane.
Which one will reach the bottom first?
B. A projectile of mass m is launche
Metabolisms
central role
in the cell
The omic cascade
The metabolome = the collection of small molecules produced by
cells. The metabolome is not constant and depends on many factors
including cell type, state of differentiation, diseases and nutrient
ava
Homework Problems #9 due Friday Nov 5th
Fall 2010
Please separate problems 1, 4 and 7.
1. Goblin on the beam.
A uniform horizontal beam of length L and mass M is attached by a
frictionless pivot to the wall. A cable making an angle ! is attached to the
be
Physics 116. HW #8
Please separate problems 2, 4 and 7.
Fall 2010.
Due Oct 29th.
Please note: Your solutions of this HW are supposed to be the result of your
work. If you consulted with anyone, got help from a tutor, TA or a friend please
state this clear