Name: Solution Last
, Solution First
DL Section: Sol'n
Solution Office Use
Physics 7B(A/B) Winter March 7, 2012 1. (7 points) Three disks of mass M and radius R are shown. Each disk has a different 2012
Quiz 4
configuration of three heavy steel balls glue

Last name
First name
DL Sec



p2
First three initials of last name
grade (for office use only)
1. Consider the present effort to cap the gushing oil well in
the Gulf of Mexico. We can imagine the situation as
shown in the diagram with a cap over the
Name:
,
Last
Quiz 3
First
DL Section:
1 3 letters of
Last Name: ___
st
Physics 7B(A/B) Winter 2013
Office Use
February 20, 2013
Helpful HINT for both Problems Draw well labeled pictures
1.( 3 points) You are texting while riding your bike (traveling eas
Name: Last
, First
DL Section: 1 3 letters of Last Name: ___
st
Office Use
Quiz 3
Physics 7B(C/D) Winter 2013
February 21, 2013
Helpful HINT for both Problems Draw well labeled pictures 1. (4 points) A large truck and small car crash head on. The mass o
Physics 7B Winter 2012 Practice Questions/Problems for Quiz 4 A Physics 7B student is riding on a spinning disc at an angular velocity of initial . When the student is standing at the edge of the disc, his moment of inertia around the axis of the disc's r
!
!
!
!
!A v = A v
!
!V = IR
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Physics 7B Section C!
Quiz #1
4/16/2014
Student ID
1 1
1.
2 2
Last Name
First Name
_
DL Section/TA
P +
First 3 Letters of Last Name!
E pump
KE PE
E
+
= th +
V
V
V
V
_
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Rubric Letters (grader use only)
KE =
1 2
Eth
L P = I 2
Lecture 8: Moment of Inertia and Newtons Laws
March 2, 2017
1
Moment of Inertia
P 2
Moment of Inertia I =
mr
This is a small table with moment of inertia of some of the most used objects.
In class(lecture and DL) we did several demos showing and explainin
Lecture 5: Vectors, Linear Momentum and Forces
Feb 9, 2017
1
Vectors
Chapter 6 in the book deals with vectors, forces, momentum, torque etc.
1, 2, 3, 3.14159., 74 , . etc are scalars just like some physics quantities we have talked about : Energy,
Pressur
Lecture 9: Newtons Laws and Kinematic Equations
March 9, 2017
1
Newtons Laws, Linear and Angular motion
Example 1: The demo we did in class, with a wooden block (m1 ) being pulled by a mass (m2 ) hanging
on a string, going through a pulley (mp ). Force di
Lecture 3: Circuits continue
January 26, 2017
1
Complicated Circuits
Ohms Law
V = IR
Resistors in Series :
I is the same through each resistor.
V changes (drops) for each.
Rseries = R1 + R2 + R3 + .
Resistors in Parallel:
I splits up (junction rule).
V sa
Lecture 6: Conservation of Momentum in 1D and 2D
February 16, 2017
1
Conservation of Momentum 1D
~ = pf~inal
The change in momentum is the impulse of the system caused by the external(net) forces. p
pinitial
~ = J~
Impulse is: J~ = F~ext time
Conserva
Lecture 4: Linear Transport and Capacitors
February 2, 2017
1
Linear Transport
An important concept in science is Linear transport which means that there is a linear relationship.
Fluid dynamics (Volume)
Electric circuits (Voltage, Current, Capacitor char
Name: Last
, First
DL Section: Office Use
Quiz 3
REMEMBER VECTORS HAVE A DIRECTION AS WELL AS A MAGNITUDE
1. (4 points) In order to win a prize you have to knock over a large heavy brick with something you throw. Should you choose to use a rubber ball, th
Physics 7B W14 Practice Quiz 4B Solutions
1.(4 points) A disc is spinning with an angular velocity of initial when a large
amount of diethyl goop is dropped onto it from above. If the goop is uniformly
distributed on the top surface of the disc and doubl
Name:
,
Last
DL Section:
First
Office Use
Physics 7B(C/D) Winter
March 8, 2012
1. (7 points) A long, light rod of negligible mass contains two heavy weights as shown. The
2012
Quiz 4
position of the weights can be adjusted, along each half of the rod, by
Fluid Transport Practice Problem Solutions
John McRaven
Figure 1: This pipe will be used for all the problems
Figure 1 will be used for the following problems. The section between MO has resistance, and the section between QS has resistance. The resistan
Fluid Transport Practice Problems
John McRaven
Figure 1: This pipe will be used for all the problems
Figure 1 will be used for the following problems. The section between MO has resistance, and the section between QS has resistance. The resistance
is not
Lecture 1
John McRaven
Physics.
It is AWESOME
7B Topics
Fluid Transport
Circuits
Linear Transport
Exponential Change
Vectors
Linear Momentum
Angular Momentum
Newtons Laws
Motion
Simple Harmonic Motion
V = E IR
Fluid Circuits
Electric Circuits
Object Flowing
Fluid
Electron (charge)
Flows Through
Pipe
Metal
Current
m3/s
C/s
Energy Density
J/m3
J/C
Driven By
Pressure Dierence
Voltage Dierence
Energy Added By
7B Lecture 3
John McRaven
What I am going to teach you
Linear Transport
Heat Flow
Diusion
Mathematically the same as uids and circuits
Capacitors
Exponential Change
The last two lectures have been more focu
Angular Momentum
Lecture 6
John McRaven
Angular Momentum
Rotating Objects are difficult to describe with
regular linear momentum
Use angular momentum to describe rotation
Angular Momentum has many analogies to
linear momentum
The Shape of the object m
Physics 7B Final Review Sheet
Fluid Circuits:
Flow rate (a.k.a. current): = . This is the volume of
fluid passing through a pipe in unit time.
Combining =
and = implies that the fluid flows
faster where the pipe is narrower and vice versa.
Three energy sy
7B C/D Syllabus
Section C Lecture: Wednesday 7:308:50AM
Section D Lecture: Wednesday 9:0010:20AM
Lecture Room: Roessler 66
DL Room: Earth and Physical Sciences (EPS) 2317
Instructor: John McRaven
[email protected]
(Please include 7B in the subject li
Physics 7B W 14 Practice Quiz 4B
1.(6 points) A disc is spinning with an angular velocity of initial when a large amount of diethyl goop is dropped onto it from above. If the goop is uniformly distributed on the top surface of the disc and doubles of mas
Physics 7B W 14 Practice Quiz 4A Solutions
1.( 4 points) A rod is made up of two halves. One end is lead (high mass), the other is wood (low mass). Shown below is that rod attached by a pin to the top of a frictionless table. First with the pin through th
Physics 7B W 14 Practice Quiz 4A
1.( 4 points) A rod is made up of two halves. One end is lead (high mass), the other is wood
(low mass). Shown below is that rod attached by a pin to the top of a frictionless table. First
with the pin through the wood end
Quiz 5D
DL sec:
Last 6 of Student ID:
Rubric Letters:Solutions
03/09/17
Name:
First 3 letters of last name:
No books or notes. Calculators OK. Show all your work below.
Question 1: (7 points)
Box 1 of mass, m1 = 2kg, and a massless rope are at the opposi