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
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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
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
3/23/09
Systems of Particles
Center of Mass
Center of Mass
Complete the following statement: The center of mass is
a) the region of an object where the density has the largest value.
b) the region of an object where most of the mass is located.
c
Phys 211
3/25/09
Chapter 9 - Systems
Center of Mass
Momentum
Conservation of Momentum
Review
Center of Mass - (CM, COM) - Point that moves as though
(1) all of the systems mass were concentrated there
(2) all external forces were applied there
In general