CHAPTER 2.1 NOTES
Physics 195 Lecture (part one)
1/5/11
MAGNITUDE
A vector A i s a d d e d t o B = 6 i-8 j. Th e r e su lt a n t ve ct or is in the positive x direction and has a magnitude equal to A. What is the magnitude of A ? a. 11 b. 5 .1 c. 7 . 1 d
1
Physics and Measurement
CHAPTER OUTLINE
1.1 1.2 1.3 1.4 1.5 1.6 1.7 Standards of Length, Mass, and Time Matter and Model-Building Density and Atomic Mass Dimensional Analysis Conversion of Units Estimates and Order-ofMagnitude Calculations Signific
3-D Kinematics
G
The position, velocity, and acceleration of a particle in 3 dimensions can be expressed as: r= xi+yj+zk v = vx i + vy j + vz k a = ax i + ay j + az k
(i , j , k unit vectors )
G
We have already seen the 1-D kinematics equations:
x = x(t )
Physics 195 Lecture (part two) Click to edit Master subtitle style
CHAPTER FIVE NOTES
1/5/11
Frictional Force
Friction
Opposes motion between systems in contact Parallel to the contact surface Depends on the force holding the surfaces together
Normal forc
CHAPTER EIGHT NOTES
Physics 195 Lecture (part one)
Conservation of Energy
If only conservative forces are present, the total kinetic plus potential energy of a system is conserved, i.e. the total mechanical energy is conserved.
E=K+U E = K + U = W + U =
Midterm 2
Physics 195
$16 Anders on
M ex; 7%
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
1) A 615 N student standing on a scale in an elevator notices that the scale reads 645 N. From this 1) C
in
CHAPTER EIGHT NOTES
Physics 195 Lecture (part two)
Power
q
Power is the rate of doing work:
dW P= dt
If the force does not depend on time: dr dW d P= = ( F dr ) = F = F v dt dt dt
q
Orthe speed in which energy is transformed is also power.
E dE P= = t dt
W or k/K inet ic Ener gy T heor em:
cfw_N et Wor k done on object Wor = cfw_cha nge i n k i neti c ener gy of object
WF = K = 1/ 2mv22 - 1/ 2mv12
v1 F v2 m WF = F x
x
1
A ir Tr ack
A car t on an air t r ack is moving at 0.5 m/s when t he air is suddenly
1. A person with a remote mountain cabin plans to install her own hydroelectric plant. A nearby stream is 3.00 m wide and 0.500 m deep. Water flows at 1.10 m/s over the brink of a waterfall 4.70 m high. The manufacturer promises only 25.0% efficiency in c
Chapter 16
Eects of Gravitation
16.1 16.2
16.2.1
Curvature around a Massive Bo dy The Geometry and Evolution of the Universe
Background Ideas
After 1916, Einstein and others applied the General Theory of Relativity, the modern theory of gravity to the ent
Chapter 15
Intro duction to General Relativity
15.1 The Problem
After 1905 and the success of the Special Theory of Relativity, Einstein turned his attention to the problem of making the other known fundamental force of his time, gravitation, consistent w
Chapter 14
Dynamics
14.1 Relativistic Action
As stated in Section 4.4, all of dynamics is derived from the principle of least action. Thus it is our chore to nd a suitable action to produce the dynamics of ob jects moving rapidly relative to us. It will b
Uniform Circular Motion
G
What does it mean? How do we describe it? What can we learn about it?
G
G
09/15/2010
Physics 201, Fall 2006, U.Wisconsin
1
What is UCM?
Motion in a circle with: Constant Radius R Constant Speed |v| Velocity is NOT constant (direc
Newtons laws
09/24/2010
Physics 201, Spring 2006, U.Wisconsin
1
Contact and Field Forces
Gravity
Electromagnetic force
09/24/2010
Physics 201, Spring 2006, U.Wisconsin
2
Dynamics due to force
Isaac Newton (1643 - 1727) published Principia Mathematica in 1
Midterm 1
Physics 195
Anderson Sp 2016
Vet 23
Name \ \
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
1) A airplane that is ying level needs to accelerate from a speed of 2.00 x 102 m/ s to a spe
Syllabus
Principles of Physics
Physics 195
Spring 2014
Welcome to Physics! Ill be your tour guide as we discover interesting things about the
world in which we live (such as how rockets take off or how anti-lock brakes work).
Dont be afraid to ask questio
CHAPTER FOUR NOTES
Physics 195 Lecture (part one)
1/5/11
3D KINEMATICS
-The position, velocity, and acceleration of a particle in 3 dimensions can be expressed as: r=xi+yj+zk v = vx i + vy j + vz k a = ax i + ay j + az k
(i , j , k unit vectors )
-We have
Chapter Three Notes Physics 195
1/5/11
VECTORS
-In 1dimension, we could specify distance with a real number, including + or - sign. e.g., a = -g -In 2or 3dimensions, we need more than one number to specify the distance: -To illustrate this, consider the p
Frictional Force
Friction Opposes motion between systems in contact Parallel to the contact surface Depends on the force holding the surfaces together Normal force (N) Static friction Force resisting motion of a stationary object fs is less than or equal
Chapter 13
Uniform Acceleration
13.1 Events at the same prop er distance from some event
Consider the set of events that are at a xed proper distance from some event. Locating the origin of space-time at this event, the equation for this set of events is:
Chapter 12
The nature of space-time
12.1 The problem of co ordinates
The basic problem of physics is to track in space and time the development of elements of a system. This requires that we have some method to communicate where and when something took pl
Final Exam Study Guide Anderson Physics 195 Spring 2008
Chapter 1 Physics and Measurement
1. Which of the following products of ratios gives the conversion factor to convert miles & mi # &m# per hour $ ! to meters per second $ ! ? % h " % s " a. b.
Midterm3_study_guide_Ch9 3. A 1.5-kg playground ball is moving with a velocity of 3.0 m/s directed 30 below the horizontal just before it strikes a horizontal surface. The ball leaves this surface 0.50 s later with a velocity of 2.0 m/s directed 60 a
Midterm3_study_guide_Ch10 1. At t = 0, a wheel rotating about a fixed axis at a constant angular acceleration has an angular velocity of 2.0 rad/s. Two seconds later it has turned through 5.0 complete revolutions. What is the angular acceleration of