26.40. Model: The electric ﬁeld is that of a line of charge of length L.
Visualize:
The origin of the coordinate system is at the center of the rod. Divide the rod into many small segments of charge Aq
and length Ar'.
Solve: (a) Segment 1' creates a sma
27.26. Model: The excess charge on a conductor resides on the outer surface.
Visualize: Please refer to Figure EX27.26.
Solve: Point 1 is at the surface of a charged conductor, hence
_ (5.0><101°)(1.60><10‘19 C/mz)
'° 77 
E = —, erpendlcular to surface :
25.37. Model: The charges are point charges.
Visualize:
y (cm)
Solve: The electric force on charge ql is the vector sum of the forces F2 on 1 and F3 on 1. We have
2
F2 on 1 = [Klil—“qzl, away from qz]
_ (9.0x10" N mz/C2)(5x10'9 (:)(10><10‘9 C)
(4.0x10‘2
'H 5 I51 Homewwk [0 SoLU'Iwns
I Dr (cabana
1101

I a We 3'39. SW13 ut'LLIvi so [P 1;") J21 'Ik:
I 4iL&1= 2JLI"=zu.
. cf _' ctrcm C L/"'.
JMW: L'. H ' 1 \5 ch. 06M:
e L+L
I 1 ML. ' a 1
Sum HMS (RS6 'L=' 1: =l'Ca
t _"' L 2 L : AL; 2t
90; \
All we ever wanted to do is go to work, he said. Thats why we
had to buy that stable. It was very expensive property at the time
and nobody really had much at that time. And we all scrimped and
scrapped and theres a big mortgage to be carried there, and w
Todays correspondent is just one voter. Future opinion polls will say much
more about how typical Trump supporters relate to political correctness and
white identity. If it turns out that there are a significant number of people
who are reacting to social
High European tax rates also allow for free college tuition such as in
Germany where tuition was completely ended in 2014. Other
European countries also have free or low tuition, and a comprehensive
system ofvocational education. If a family does not have
In some regions with significant wind power most of its energy is produced late at night
and early in the morning when electricity demand is low. Base load plants, facing these
increasing economic challenges, were not designed to be cycled up and down to
Gerontology 501: Applied Legal and Regulatory Issues in Aging
Professor: Julia Walsh, J.D.
Email: juliarwa@usc.edu
Phone: 9492925199 (Cell, you can call or text)
Fridays: 10:00 a.m. to 12:50 p.m.
Office Hours: Fridays from 1:00 p.m. to 2:00 p.m. or by a
Syllabus
Course: GERO 589
Instructor: Dean Emeritus Edward L. Schneider
We are reconstructing GERO 589 to introduce students to careers in gerontology. Each
week will focus on a specific career path that graduates of the Leonard Davis School of
Gerontolog
28.22. Solve: Outside a charged sphere of radius R, the electric potential is identical to that of a point charge Q at
the center. That is,
V;2 rZR
_ 4M0 r
The potential of the ball bearing is the potential right on the surface of the ball bearing. Thus,
PHYS 152 Homework 9 Solutions
Dr. MacDonald
26 points
Conceptual Questions: (+6 points, 1 point each part)
*These questions are from the Conceptual Questions (CQ) section of Knight, Chapter 33.*
(a) The induced current will be counterclockwise (ccw). As t
PHYS 152 Homework 6 Solutions
Dr. MacDonald
36 points
Conceptual Questions: (+4 points, 1 point each part)
(a)
a)
. Due to conservation of current, the current everywhere in the wire is the same. The
number of charges passing per unit time must be the sam
PHYS 152 Homework 12
Dr. MacDonald
36 points
Due: Friday, April 29th 2016 at 2:00pm in mailbox labeled "PHYS 152 HW DROP OFF Dr. MacDonald",
located in the 2nd floor hallway of SSC (Seaver Science Center), near the bottom right of the mailboxes.
*Remember
PHYS 152 Homework 8
Dr. MacDonald
26 points
Due: Tuesday, March 22nd 2016 at 8:00am in class
*Remember to include your name, lab day, and lab time at the top of your solutions.*
Conceptual Questions: (+6 points, 1 point each part)
*The questions this time
PHYS 152 Homework 4
Dr. MacDonald
24 total points
Due: Tuesday, February 9th at 8:00 am in class. Remember to put your name, lab day, and lab time at the
top of your homework solutions.
Problem 1 (+2 pts):
Find the potential inside and outside a spherical
PHYS 152 Homework 1
Dr. MacDonald
21 total points
Due: Tuesday, January 19th, 2016 at 7:59am in class.
*Remember to write your name, lab day, and lab time on the top of your HW so that the grader
can return it to you in the proper mailbox slot in the lab
PHYS 152 Homework 9
Dr. MacDonald
26 points
Due: Tuesday, March 29nd 2016 at 8:00am in class
*Remember to include your name, lab day, and lab time at the top of your solutions.*
Conceptual Questions: (+6 points, 1 point each part)
*These questions are fro
PHYS 153 Homework 5
Dr. MacDonald
22 total points
Due: Tuesday, February 16th at 8:00 am in class. Remember to put your name, lab day, and lab time at
the top of your homework solutions.
Problem 1: (+3 points)
Four positive and four negative point charges
PHYS 152 Homework 10
Dr. MacDonald
37 points
Due: Tuesday, April 12th 2016 at 8:00am in class
*Remember to include your name, lab day, and lab time at the top of your solutions.*
Conceptual Questions: (+6 points, 1 point each part)
*All but part (f) are q
PHYS 152 Homework 11
Dr. MacDonald
28 points
Due: Tuesday, April 19th 2016 at 8:00am in class
*Remember to include your name, lab day, and lab time at the top of your solutions.*
Conceptual Questions: (+6 points, 1 point each part)
*All are questions are
PHYS 152 Homework 7
Dr. MacDonald
36 points
Due: Tuesday, March 8th 2016 at 8:00am in class
*Remember to include your name, lab day, and lab time at the top of your solutions.*
Conceptual Questions: (+7 points, 1 point each part)
*These are in the "Concep