Exam 2 solutions
Name:
Physics 193
Instructions:
Score
The responsibility is yours to show me that you understand what you are doing so please
show all your work. If you feel you are stuck on a particular
Lab 4 Homework Solutions
1. I can find the area of a circle in terms of its diameter using:
= ! =
2
!
But, I need to use the average value of the diameter:
=
98.5
+ 100.0
+ 97.8
= 98.8
3
Which gives an ar
V. Homework: please complete the homework before coming to lab 3.
This homework will prepare you for the third lab where you will have to design and conduct a
testing experiment. Read the following passage focusing
Exam 1 solutions
Physics 193
Name:
Instructions:
Score
The responsibility is yours to show me that you understand what you are doing so please
show all your work. If you feel you are stuck on a particular part explain as much of your
thinking as you can s
Lab HomeWork 1 solutions
Physics 193
1. The absolute uncertainty is equal to half the smallest increment of the measuring device.
a.
0.05cm (half a millimeter)
b.
0.5
c.
0.5s
d.
0.5 g (probably the weights are meas
Practical 1
Physics 193
Page 1 of 2
IMPORTANT: This is a group practical. Each group hands in a single copy of their work, but each group member needs
to do an equal amount of the writing. All group member
Lab 4 Homework Solutions
1. Each measurement was made with a meter stick which has an instrumental uncertainty of .05 cm (.5
mm) since the smallest unit on a meter stick is 1 mm.

For all 3 measurements the abso
Exam 1 solutions
Name:
Physics 193
Instructions:
Score
The responsibility is yours to show me that you understand what you are doing so please
show all your work. If you feel you are stuck on a particular
Homework 4 solutions
Notes: Please keep in mind that most of the problems in MasteringPhysics with numerical answers are
randomized for each student. The solutions below correspond to the version of the problem that
Exam #1 practice problems solutions
Physics 193
1. During the Apollo 14 missions short stay on the surface of
the moon astronaut Alan Sheppard, Jr. decided to play a
little golf. The second ball he hit went miles and miles and
miles he claimed jokingly (h
Lab HomeWork 9 solutions
Physics 193
There are two mugs on a table. One is half
full of hot water, the other is half
full of cold water. You pour the hot water
into the cold water and mix them together using a
Practical 1
Physics 193
Page 1 of 2
IMPORTANT: This is a group practical. Each group hands in a single copy of their work, but each group member needs
to do an equal amount of the writing. All group member
III. HOMEWORK
This homework will help you review how scientists construct knowledge. This particular discovery is also an example of
how those who deserve an award sadly are not always the ones who receive it. Rea
Exam #1 practice problems
Physics 193
1. Answer the following questions about the kinds of experiments you performed in lab. Be as brief as you can, a few
sentences each at most!
a. What is the goal of an observational experiment?
b. In a testing experime
Exam #2 practice problems solutions
Physics 193
1. Design an experiment to test the following hypothesis:
The momentum of a system is always constant.
Available equipment: Everyday items easily found around your house,
Exam #2 practice problems
Physics 193
1. A schematic diagram of the human arm is shown holding a heavy
iron ball (mass 5.0 kg). The triceps muscle connects to the
forearm 3.0 cm to the left of the elbow joint, while the biceps
muscle connects 5.0 cm to th
1
LHW 5 Solution
1. What was Dr. Semmelweis rst step in his quest for a way to reduce the
large postpartum death rate?
He tabulated the deliveries and deaths by month and year in each of the
Clinics.
2. What observation did Dr. Semmelweis conduct? Were th
Lab HomeWork 9 solutions
Physics 193
There are two mugs on a table. One is half
full of hot water, the other is half
full of cold water. You pour the hot water
into the cold water and mix them together using a
Physice lec 9 textbook notes
2.5 Inertial Reference Frames and Newton's 1st Law
o
Inertial Reference Frames
Inertial Referene Frame: obsevers who can explain the behavior of the mug and
the computer by using the rule relating the sum of the forves and cha
Homework 4 solutions
Notes: Please keep in mind that most of the problems in MasteringPhysics with numerical answers are
randomized for each student. The solutions below correspond to the version of the problem that is in the
paper copy of the textbo
Homework 5 solutions
Notes: Please keep in mind that most of the problems in MasteringPhysics with numerical answers are
randomized for each student. The solutions below correspond to the version of the problem that is in the
paper copy of the textbo
Physics Lecture 3 and Textbook Notes
1.3 Quantities for Describing Motion
o
Motion diagram represents motion QAULITATIVELY
o
Time and Time Interval
Time: reading on a clock or some other time measuring isntrument
Time interval (t2t1): difference of 2 ti
2.6 Newton's 2nd Law
An object does NOT change velocity and does NOT accelerate when the sum of all forces
exerted on it is zero
Object's velocity change and acceleration are in the same direction as the sum of the
forces that other objects exert on it
Physics Lecture 2 /Textbook Notes
Summary
After class, use this space to summarize the main points of this Lecture Topic.
1.1 What is Motion
o
Motion (2 main things)
Motion of interest
The observer
o
Motion: change in an object's position relative to a gi
Physics Lecture 6 Textbook Notes
3.1 Force Components
o
Newton's 2nd Law
The acceleration of a system object is proportional to the vector sum of all
forces being exerted on the object and inversely proportional to the mass m of the
object
So basically, a
Physics lecture 7 textbook notes
3.4 Friction
o
Static Friction
This force is parallel to the surfaces of 2 objects that are not moving in relation
to each other and opposes the tendency of one object to move across the other
It changes magnitude to preve
Physics lec 8 textbook notes
4.1 Qualitative Velocity Change Methof for Circular Motion
o
Object has acceleration if velocity changes in magntiude or in direction or both
o
Velocity change method
When an object is moving in a circle at constant speed, its
Homework 2 solutions
Notes: Please keep in mind that most of the problems in MasteringPhysics with numerical answers are
randomized for each student. The solutions below correspond to the version of the problem that
Lab 5: Circular Motion
Physics 193
Page 1 of 5
Lab 5: Circular Motion
LEARNING GOALS OF THIS LAB:
1. Use your knowledge of Newtons laws and circular motion to make a prediction about the outcome of an
experiment.
2. Apply your knowledge of Newton
Exam #2 practice problems solutions
Physics 193
1. The space shuttle is one of the most sophisticated machines ever
built. It consists of a planelike orbiter, a large external fuel tank
(beneath the orbiter), and two solid rocket boosters (on either
Exam #2 practice problems
Physics 193
1. The space shuttle is one of the most sophisticated machines ever
built. It consists of a planelike orbiter, a large external fuel tank
(beneath the orbiter), and two solid rocket boosters (on either side
of t
Recitation ClassWork 8
Physics 193
I. Observation experiment: Representing motion with a motion sensor
You have a motion sensor that uses ultrasound waves (sound with higher frequency that the human ear can hear) to
detect the position of an object in
Exam 1 solutions
Name:
Physics 193
Instructions:
Score
The responsibility is yours to show me that you understand what you are doing so please
show all your work. If you feel you are stuck on a particular part explain as much of your
thinking a