General Physics 203 1
Practice Exam 2
1. A car is traveling at 7.0 m/s when the driver applies the brakes. The car moves 1.5 m before it
comes to a complete stop. If the car had been moving at 14 m/s, how far would it have continued
to move after the brak
General Physics
10/6/2013
IMPULSE AND MOMENTUM
Linear Momentum
Linear momentum (p) is defined as the product of an objects mass
(m) and its velocity (v).
Momentum is a vector quantity and the direction of momentum
vector is the same as the velocity vec
General Physics
10/13/2013
ROTATIONAL KINEMATICS
Circular Motion
Angular displacement () is measured in degrees, revolutions or
radians. The radian is used most often.
The angular displacement is given by
s
r
where r is the radius and s is the length
General Physics
9/15/2013
FORCES AND NEWTONS LAWS OF MOTION
Newtons Laws of Motion
Dynamics is the study of the causes of motion. The basic causes of
motion can be explained by using Newtons three laws of motion.
The net force refers to the vector sum
General Physics
9/22/2013
DYNAMICS OF UNIFORM CIRCULAR MOTION
Angular velocity
The average angular velocity () is measured by dividing the
angular displacement () by the time of travel (t). The angular
velocity is measured in radians per second
t
The S
General Physics 203
8/31/2013
KINEMATICS IN ONE DIMENSION
Kinematics
Kinematics is the study of the motion of objects and involves the
study of the following concepts: displacement, velocity,
acceleration, and time.
In this chapter we will discuss only
General Physics 203
8/31/2013
MATHEMATICAL CONCEPTS
Addition of Vectors
The resultant of two vectors that point in the same direction will be
the arithmetic sum of the magnitudes, and the direction of the
resultant will be the direction of the original
Lecture 16. Amperes Law
To all students in Physics 227: The second common hour exam will be held on
Thursday NIGHT Nov 13, 9:50-11:10 PM in 4 locations on 2 campuses. The
assignment to exam room is based on the first letters of your last name:
Allison Roa
NEXT MIDTERM EXAM
The second common hour exam will be held on Thursday NIGHT Nov 13, 9:5011:10 PM in 4 locations on 2 campuses. The assignment to exam room is based
on the first letters of your last name:
Allison Road Classroom 103 (Busch)
Physics Lecture
NEXT MIDTERM EXAM
The second common hour exam will be held on Thursday NIGHT Nov 13, 9:5011:10 PM in 4 locations on 2 campuses. The assignment to exam room is based
on the first letters of your last name:
Allison Road Classroom 103 (Busch)
Physics Lecture
General Physics
10/21/2013
ELASTICITY AND SIMPLE HARMONIC
MOTION
Hookes Law and Ideal Springs
Hookes Law states that stress is
directly proportional to strain.
Hookes law is found to hold for most
materials, e.g., a wire, rubber band or a
spring up to
General Physics
10/27/2013
1
FLUIDS
Mass density
The density () of a substance is defined as the quality of mass (m)
per unit volume (V) and is given by.
Pressure
m
V
Pressure (P) is defined as the ratio of the force acting perpendicular
to a surface
Extended General Physics 201
12/2/2012
THE PRINCIPLE OF LINEAR SUPERPOSITION
Principle of superposition
Two wave pulsed passing through the
same region of space at the same time
exhibit interference. The result of the
interference is predicted by the pr
General Physics
11/28/2012
WAVES AND SOUND
1
Wave Motion
A wave is , in general, a disturbance which moves through a
medium. It carries energy from location to another without
transporting the material of the medium.
Example: Water waves, waves in a st
General physics
11/18/2012
THERMODYNAMICS
Thermodynamics is the study of energy transformations
and natural processes and involves relations between heat,
work, and energy.
Zeroth Law of Thermodynamics
Two systems individually in thermal equilibrium wi
GeneralPhysics203 1
PracticeFinal
1. City A lies 30 km directly south of city B. A bus, beginning at city A travels 50 km at 37 north
of east to reach city C. How far and in what direction must the bus go from city C to reach city
B?
a. 20 km, west
b. 40
Solutions Practice Final
Question 1:
CB CA BC
CB x CAx BC x 0 (50 cos 37) 40km
CB y CAy BC y 30 50 sin 37 0km
2
2
CB CB x CB y 40km
Since the x-component is negative and the y-component is zero, therefore, the direction is
WEST.
Question 2:
2
v 2 v0 2ax v
General Physics
11/11/2012
TEMPERATURE AND HEAT
Temperature
Temperature is a measure of relative hotness
and coldness. The temperature of a substance
is measured with a device called thermometer.
The thermometer is usually calibrated in terms
of degree
General Physics
11/14/2012
THE IDEAL GAS LAW AND KINETIC
THEORY
The ideal Gas
The change in volume of a gas cannot be described by the
equation given for solid or liquid. However, within a certain range
of temperature and pressure, many gases have been
Final Exam Formula Sheet
Motion:
x
Vaverage
t
a0
Constant velocity
x vt
v v o at
1
x (v o v)t
2
Constant accelerati on
1 2
x v o t at
2
2
v 2 v 0 2ax
Projectile Motion:
x - axis points toward the right
y - axis points upward
v0 x v0 cos
v0 y v0 sin
General Physics
10/13/2013
1
ROTATIONAL DYNAMICS
Torque
Torque () is a measure of effectiveness of
a force in producing rotation of an object
about an axis.
The Toque is measured by the product of
the force and the perpendicular distance
from the axis
General Physics
11/4/2013
TEMPERATURE AND HEAT
Temperature
Temperature is a measure of relative hotness
and coldness. The temperature of a substance
is measured with a device called thermometer.
The thermometer is usually calibrated in terms
of degrees
Lecture 13. Magnetic Field, Magnetic Forces on Moving Charges.
Outline:
Intro to Magnetostatics.
Magnetic Field Flux, Absence of Magnetic Monopoles.
Force on charges moving in magnetic field.
Our goal: to describe the magnetostatic field the same way weve
Lecture 15. Magnetic Fields of Moving Charges and Currents
Outline:
Magnetic Field of a Moving Charge.
Magnetic Field of Currents.
Interaction between Two Wires with Current.
Lecture 14:
Hall Effect.
Magnetic Force on a Wire Segment.
Torque on a Current-C