Phys 211
4/8/09
Chapter 13
Gravitation
Review
Keplers First Law: All planets move on elliptical orbits with
the Sun at one focus.
Keplers Second Law: The line that connects a planet to the Sun sweeps out
equal areas in equal time. (Conservation of angular
PHYS 211
Spring 2015
1/28/2015
Projectile Motion
Schedule Reminder
HW3 open, due Sun. (2/1) at 11:59 pm
Exam two Fridays from now - Formula sheet posted on blackboard
HW #2 grades
Conquering Physics 211
Supp. Inst. meetings, Student Success Center, Kha
PHYS 211
2/12/14
Force and Motion
Newtons Laws
Spring 2014
Schedule
HW4 open, due Friday Feb. 13th at 8:00 am
Exam thankfully far off
Newtons Laws
st) A
1
body at rest remains at rest, a body in motion remains in
motion, unless acted on by a net, outsi
2/20/2014
Chapter 7
Kinetic Energy and Work
!
Constant Forces
Variable Force (Spring)
Power
PHYS 211
Spring 2014
Schedule
HW 5 (2/20)
Summary
Work transfers energy - sign indicates direction of transfer
Work-KE Theorem
1 2
K = mv
2
Kinetic Energy
Co
Physics 211
Spring 2015
3/2/14
Systems of Particles
Center of Mass
Tuesday, March 17, 2015
Schedule
3/3
Loncapa issues, so HW #6 due 3/3.
The test does NOT cover todays material.
Tuesday, March 17, 2015
Center of Mass
Center of Mass - (CM, COM) Point that
Practice with speed & velocity
1) How far will Roy jog in 2.5 hours if he runs at 6 mi/hr?
2) How fast is Sally riding her bike if it takes her 6 hours to go 180 km?
3) How long will it take Frank to ride his tricycle 100 yards if he goes at 2 yd/s?
4) If
Answers!
1.
15 mi
2.
30 km/h
3.
50 s
4.
225 km
5.
60 s
6.
3 m/s
7.
8.
40 mi/h
9.
81 cm
10.
500 s
11.
8 ft/s
12.
6s
13.
-480 m
14.
7 hrs
15.
16 m
16.
8 m/s
17.
a 60 m
b 36 m
c 3 m/s
d 1.8 m/sA
PHYS 211
Spring 2014
2/13/14
Force and Motion
Newtons Laws
Schedule
HW4: Monkey units wrong, wont count problem.
Newtons Laws
Inertial Reference Frames
st) A
1
body at rest remains at rest, a body in motion remains in motion, unless acted on by a
net, o
Physics 211
Spring 2014
2/23/15
Chapter 8
Potential Energy
Conservation of Energy
Schedule
HW6 - due Firday at 11:59 pm
Lectures/Links Posted on BlackBoard
Exam less than two weeks away.
Summary
Work transfers energy - sign indicates direction of tra
PHYS 211
Spring 2014
2/16/2014
Chapter 7
Kinetic Energy and Work
!
Constant Forces
Schedule
HW 5 (2/20)
HW5 now available - due next Friday at 11:59 pm
Test scores now available (hopefully)
Newtons Laws
Inertial Reference Frames
st) A
1
body at rest
PHYS 211
Elevator
Spring 2015
03/28/2009 09:16 am
Graph 1
Acceleration where there is
change in velocity!
13.0
D Run #1
12.5
Real Elevator Data!
Top plot a vs.t
Bottom x vs t
12.0
11.5
11.0
10.5
10.0
9.5
9.0
8.5
No Acceleration where
there is constant vel
PHYS 211
Spring 2015
Chapter 2
1 Dimensional Motion
1/14/15
Wednesday, January 14, 2015
PHYS 211
Spring 2015
1) You need an iClicker2. Plain iClickers cant answer ranking
questions.
1a) I will be sure not to ask any iClicker2-only questions next week.
1b)
PHYS 211
Spring 2015
1/23/2015
Vector Multiplication
Dot Product - Scalar Product
Cross Product - Vector Product
Class Schedule
Posted on BlackBoard: latest lecture,
HW2 open, due Tues. (1/27) at 11:59 pm
Register your i>clicker2 on BlackBoard <- Of cours
PHYS 211
Spring 2015
If you have a clicker
problem, come up
now
PHYS 211
Spring 2015
On my command,
click A
PHYS 211
Spring 2015
1/21/15
Vectors
Class Schedule
Posted on BlackBoard: uploaded clicker score, science videos
HW2 open, due Tues. (1/27) at 11
PHYS 211
1/30/2015
2D and 3D Motion
Circular Motion
Monday, February 2, 2015
Spring 2015
Would
you
ride
this?
PHYS 211
1/30/2015
2D and 3D Motion
Circular Motion
Monday, February 2, 2015
Spring 2015
Would
you
ride
this?
Schedule Reminder
Posted on BlackBo
Physics 211
Spring 2015
2/25/15
Chapter 8
Potential Energy
Conservation of Energy
Thursday, February 26, 2015
Schedule
HW 5 (2/20)
HW6 - due Friday at 11:59 pm
Thursday, February 26, 2015
Review
Work transfers energy - sign indicates direction of transfer
Physics 211
Spring 2015
2/27/15 - Chapter 8
Conservation of Energy
Potential Energy Graphs
Schedule
HW7 - due next Thursday, 11:59PM
Test #2 one week from today.
Work-Energy Summary
conservative forces cause energy transfer within isolated system
Mechan
PHYS 211
Spring 2014
2/18/2014
Chapter 7
Kinetic Energy and Work
!
Constant Forces
Variable Force (Spring)
Schedule
HW 5 (2/20)
HW5 now available - due next Friday at 11:59 pm
By the end of today we will be half way to the next test, how many
proble
PHYS 211
Spring 2014
2/10/14
Force and Motion
Newtons Laws
Monday, February 9, 2015
Schedule
Posted on Loncapa: Test scores
HW4 open, due Friday Feb. 13th at 8:00 am
Exam thankfully far off
Monday, February 9, 2015
Force and Motion
Kinematics - descriptio
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Phys 211
3/20/09
Chapter 8
Conservation of Energy
Chapter 9
Systems
Center of Mass
Linear Momentum
Review
K = W = F d
Kinetic - Energy of motion of objects of a system
U = W
Potential - Energy of Arrangement of objects of a system
U ( x ) = W = F ( x )x
U