PHYS2014/Fall 2010/Exam No. 2
OSU Physics Dept./Benton
Name:_
Recitation TA _Recitation Time:_
Physics 2014: General Physics I
Solutions to Exam No. 2
19 October 2010
r=2
0m
1. Mr. Halitosis drives a car that is so old it doesnt even have cup holders. As
PHYS2014/Fall 2010/Exam No. 3
OSU Physics Dept./Benton
Name:_
Recitation TA _Recitation Time:_
Physics 2014: General Physics I
Solutions to Exam No. 3
16 November 2010
rc=9.4 cm,
mc=8.6 kg
rp=4.5 cm, mp=0.55kg
mw=4.8 kg
=220
1. A 4.8 kg weight, mw, slides
PHYS2014
Benton
Fall 2010
OSU Physics Dept.
Physics 2014: General Physics I
Sample Exam No. 1
1. Two billiard balls are rolling on a flat table. The first ball has a velocity of 2 m/s in the x
direction and 1 m/s in the y direction. The second ball has a
PHYS2014
Benton
Fall 2010
OSU Physics Dept.
Physics 2014: General Physics I
Solutions to Sample Exam No. 1
1. Two billiard balls are rolling on a flat table. The first ball has a velocity of 2 m/s in the x
direction and 1 m/s in the y direction. The secon
PHYS2014
Benton
Fall 2010
OSU Physics Dept.
0.5 m
Physics 2014: General Physics I
Solutions to Sample Exam No. 2
M
1. A 0.5 m long spring, having a spring constant of 380 N/m, is suspended from the ceiling by a
hook. It can be stretched by an amount s = 0
PHYS2014
Benton
Fall 2010
OSU Physics Dept.
Physics 2014: General Physics I
Solutions to Sample Midterm Exam No. 3
1. Embrace in Space: Remember that little marital spat in space we analyzed for Homework
Assignment 7? Well this husband and wife astronaut
PHYS2014/Fall 2010/Sample Final Exam
OSU Physics Dept./Benton
Name:_
Recitation TA and Time:_
Physics 2014: General Physics I
Sample Final Exam
= 5
1. While driving down a hill of constant slope = 5 in a 1600 kg car at a speed of 25 m/s, you
slam on the
PHYS2014/Fall 2010/Sample Final Exam
OSU Physics Dept./Benton
Name:_
Recitation TA and Time:_
Physics 2014: General Physics I
Solutions to Sample Final Exam
= 5
1. While driving down a hill of constant slope = 5 in a 1600 kg car at a speed of 25 m/s, you
PHYS2014/Fall 2010/Sample Final Exam
OSU Physics Dept./Benton
Name:_
Recitation TA and Time:_
Physics 2014: General Physics I
Solutions to Sample Final Exam
= 5
1. While driving down a hill of constant slope = 5 in a 1600 kg car at a speed of 25 m/s, you
PHYS2014
Benton
Fall 2010
OSU Physics Dept.
Information Useful in Solving Physics Problems
1. Greek Alphabet
(in case you forget what those strange-looking characters are.)
lower case
upper case
Letter
Alpha
Beta
Gamma
Delta
Epsilon
Zeta
Eta
Theta
Iota
Ka
PHYS2014
Benton
Fall 2010
OSU Physics Dept.
Use Of The Scientific Calculator
1. Scientific Notation: to enter an exponent, you need to use the key labeled EXP . This key is
located above the 7 key.
To enter 3 104 , press 3 EXP 4.
(This does NOT mean 3 to
Lecture 1: Learning Physics
The goal of Physics is to understand the physical world
around us and how it works.
Physics is about how stuff interacts with other stuff in time
and space.
In this sense, we often consider physics to be the
fundamental scie
Lecture 2: Introduction to the
Study of Motion
There is a time and a place for everything.
Much of Physics is concerned with determining the time and
place (position or location), and the relation between time and
place, of the myriad stuff that make up t
Lecture 3: Motion in 2 and 3 Dimensions
average speed:
v=
average velocity:
x the change in position
=
t
the change in time
v=
x
x
or v =
t
t
instantaneous velocity:
x dx
v = lim
=
t 0 t
dt
average acceleration:
v
v
a=
or a =
t
t
instantaneous acceleratio
Lecture 4: 2-D Kinematics Continued
Example: I release a Billiard Ball and allow it to rool down an
inclined track.
s
3
0.1 m
If = 20 and the distance between the track and the table is
a maximum of 0.1 m, what is the velocity of the ball when
it reaches
Leture 5: Projectile Motion
(or shooting stuff)
h
v0
R
If I shoot an arrow into the air with initial velocity v0 and at angle
, it follows a parabolic trajectory. The horizontal (x) distance it
travels is called the range, R. The maximum vertical (y) dist
Lecture 6: Force and Motion
Newtons 1st Law of Motion:
A body in uniform motion remains in uniform motion,
and a body at rest remains at rest, unless acted on by a
nonzero net force.
Newtons 2nd Law of Motion:
F
Fall 2010
Oklahoma State University
ma
PHYS
Lecture 7: Circular Motion
v
r
I swing a ball attached to a string of length r over my head.
The path that the ball takes is a circle of radius r with my hand
at the origin. At any given instant, the velocity, v , of the ball
is a vector tangent to the ci
About Exam No. 1
Tuesday, 21 September 2010, 5:30 7:00 pm
The class will be divided into three groups based on their
recitation TA. Each group will take the exam in a
different room as shown in the table below. Please go
directly to your designated room.
Lecture 11:
Introduction to the Conservation Laws
1. Kinematics: description of motion
2. Newtons Three Laws of Motion: explanation of motion
in terms of forces
3. Conservation Laws: explanation of motion in terms of
conserved mathematical quantities: Lin
Lecture 12: Energy and Work
Energy can be transformed from one form into the other and
back again.
Ki + U i = K f + U f
1 mv 2 + mgy = 1 mv 2 + mgy
i
f
2i
2f
A Pendulum transforms
U = mgh
Gravitational Potential
Energy to Kinetic Energy K = 0
and back to
Mid-term Exam on 19 Oct. 2010 5:30 - 7:00 pm
The class will be divided into three groups based on their
recitation TA. Each group will take the exam in a different
room as shown in the table below. Based on your recitation
section, please go directly to y
Mid-term Exam on 19 Oct. 2010 5:30 - 7:00 pm
The class will be divided into three groups based on their
recitation TA. Each group will take the exam in a different
room as shown in the table below. Based on your recitation
section, please go directly to y
Lecture 17: Review for Mid-term Exam 2
Mid-term Exam on 19 Oct. 2010, 5:30 - 7:00 pm
The class will be divided into three groups based on their
recitation TA. Each group will take the exam in a different
room as shown in the table below. Based on your rec
Lecture 19: Rotational Motion, Torque
Torque is the rotational analog of force.it is the extension
of force to rotational motion.
= r F
= rF sin
r
F
For a force to cause rotation, three factors are important:
1. The magnitude of the force F.
2. The dis
Lecture 20: More on Rotational Motion
Torque:
dL
= r F =
dt
For a rigid body rotating about a fixed axis:
= I
Where I is the Moment of Inertia:
Angular Momentum:
I = mn rn 2
L=rp
L = I
Angular Momentum is conserved in the same way as Linear
Momentum and
Mid-term Exam No. 3 on
16 November 2010, 5:30 - 7:00 pm
The class will be divided into three groups based on their
recitation TA. Each group will take the exam in a different
room as shown in the table below. Based on your recitation
section, please go di
Lecture 25 Review for Mid-term Exam No. 3
16 November 2010, 5:30 - 7:00 pm
The class will be divided into three groups based on their
recitation TA. Each group will take the exam in a different
room as shown in the table below. Based on your recitation
se
Lecture 26: Wave Motion 2
y ( x, t ) = A cos ( kx t )
where k is the wave number k =
2
2
= 2 f
T
the sign designates whether the wave is moving to the left (+)
or right (-)
F
v=
= =f =
k
T
is called the angular frequency =
Fall 2010
Oklahoma State Univer