Practice Midterm 2
Physics 1B - Name: - ID number: - Lecture (1 or 2): Section (A-F): -
1. A nonconducting spherical shell, with an inner radius R1 = 4 cm and an outer radius R2 = 6 cm, has charge spread non-uniformly through its volume between its
Moment of Inertia
Moment of inertia is the name given to rotational inertia, the rotational analog of mass for linear
motion. The moment of inertia must be specified with respect to a chosen axis of rotation. For a
point mass the moment of inertia is just
Review for Final Exam
The rst section covers reection and transmission in a string, while the second section covers how to derive and explain the Doppler eect, both of which were mentioned to me in conjunction with your nal exam. However, theres much more
Chapter 27
Heres an important point to keep in mind regarding magnetic forces. Consider a closed loop of any shape in a uniform magnetic eld, carrying a current I . The magnetic force on the loop is zero. This can be shown mathematically as follows: F=
lo
Chapter 26
There are two main types of resistor congurations: series and parallel. For each of these, heres how the currents and voltages across each resistor are related, and how to compute the equivalent resistance. Resistors in series: Suppose we have
Chapter 24
There are two main types of capacitor congurations: series and parallel. For each of these, heres how the charges and voltages across each capacitor are related, and how to compute the equivalent capacitance.
Capacitors in Series: Consider capa
Chapter 23
As before, the diculty is listed immediately after each problem, ranging from 1 (least dicult) to 10 (most dicult). Problem 1 (Diculty: 5) Consider a collection of N point charges cfw_Q1 , Q2 , ., QN , where each charge Qj is located at a point
Chapter 22
Here are sample problems that illustrate how to nd electric elds using Gauss law. First, we show generally how to nd electric elds due to spherically symmetric and then cylindrically symmetric charge distributions. Consider rst a spherically sy
Chapter 10: Phase Transformations
ISSUES TO ADDRESS.
Transforming one phase into another takes time.
Fe
3 Eutectoid transformation (cementite)
Fe C +
(Austenite)
C
FCC
(ferrite)
(BCC)
How does the rate of transformation depend on time and T?
Chapter 9: Phase Diagrams
ISSUES TO ADDRESS.
When we combine two elements.
what equilibrium state do we get?
In particular, if we specify.
-a composition (e.g., wt% Cu - wt% Ni), and -a temperature (T )
then.
How many phases do we get? What is th
CHAPTER 2: BONDING AND PROPERTIES
ISSUES TO ADDRESS.
What promotes bonding?
What types of bonds are there? What properties are inferred from bonding?
1
Intro
Roman poet Lucretius wrote in De Rerum Natura (On the Nature of Things)
some things c
DETERM INI NG POTENTIAL ENERGY VALU ES
We first consider a particle with mass m moving vertically along a y axis (the
positive direction is upward). As the particle moves from point Yi to point Yf' the
gravitational force Fg does work on it. To find the c
Phys 1B - Set 1 - Solutions
1. Two massspring systems A and B oscillate so that their total mechanical energies are
equal. The force constant of spring A is two times the force constant of spring B.
Express the relation between the two amplitudes AA and A
Physics 1B: Oscillations, Waves, Electric and Magnetic Fields
Spring 2016
Discussion: Week 1
Agnieszka Wergieluk
Graduate TA
[email protected]
Office hours: Wednesdays 4-7 pm, Fridays 3-6 pm by appointment!
(Alternatively, just e-mail me your questions.
I
I
I
I
I
I
I
I
I
I
One of the primary subjects of physics is waves. To see how important
waves are in the modern world, just consider the music industry. Every piece of
music you hear, from some retro-punk band playing in a campus dive to the most
eloque
Physics 1B: Oscillations, Waves, Electric and Magnetic Fields
Spring 2016
Syllabus
Agnieszka Wergieluk
Graduate TA
[email protected]
O ce hours:
by appointment, preferably on Wednesdays 4-7 pm, Fridays 3-6 pm
Solutions:
sent out on Mondays / handed out
Physics 1B
Eighth Week
W. Gekelman
Current and Resistors
G. Ohm 1787-1854
Friday, May 21, 2010
A simple circuit Battery + -
i
i
Resistor
i
Friday, May 21, 2010
Ohms Law
Length of resistor
Area of resistor
Resistance
Electrical Resistivity (depends upon th