Lesson 13g: Resistors in Series and Parallel Circuits
Any path along which electrons can flow is a circuit.
For a continuous flow of electrons, there must be a complete circuit with no gaps. A
A gap i
Lesson 49: Superpositioning of Waves
Have you ever played around with pictures on your computer? Maybe you put a
picture of your brothers face on a birds body?
I did this picture of my daughter yeah,
Lesson 46: Cloud & Bubble Chambers
Imagine you're on a really stupid game show where they put a whole bunch of ping pong balls on the
floor, turn off the lights, and then send you in to count them. Ho
Lesson 31: Polarization
Polarization is something that people have known about (indirectly) for a long time, but for many years
didn't understand.
When you look at sunlight reflecting off of water, t
Linear Regression on TI-83 & 84 Calculators
Given that Alberta Ed has placed some rather heavy demands on the ability of
students to precisely calculate slopes and y-intercepts based on graphed data f
Kinematics
Waves and Simple Harmonic Motion
vave =
d
t
1 2
d = v f t a
t
2
a ave =
v
t
v v i
d= f
t
2
T =2
1 2
d = v i t a
t
2
v f 2=v i 22 a
d
T=
2 r
v 4 r
ac= = 2
v c=
T
2
2
r
T
Dynamics
a =
F ne
Thursday, November 03, 2016
10:17 AM
Go over homework circular motion
Theory for the flying pig lab next class
Banking
go over test
eg. 1. You drive a car at 20.0m/s around a
corner radius 40.0 m.
a)
Friday, March 03, 2017
10:20 AM
Two slits or two sources
in phase same wavelength
March 3 diffraction and interference Page 1
x is the distance between the centre of the
bright bands, in m.
L is the d
Friday, January 13, 2017
12:21 PM
P226 CR 1.1-1.5
10 minutes - compare your answer to your
neighbours.
- call on student to read question and answer
Q16 p235 - dynamic pendulum
Q15 perfectly elastic c
Wednesday, March 29, 2017
8:51 AM
Resistance and Electric Power
Recall:
Voltage, V is the electrical energy per unit
charge, V=energy/q in units of volts,1 V= 1J/C
(analagous to height and gravitation
Thursday, January 19, 2017
8:43 AM
p215 Q29
Jan 19 Review Page 1
Jan 19 Review Page 2
Jan 19 Review Page 3
Quiz
Jan 19 Review Page 4
Jan 19 Review Page 5
Jan 19 Review Page 6
Monday, January 16, 2017
8:43 AM
p168 Q7
inelastic collision (stick together) kinetic
energy is lost
collision - think conservation of momentum
Jan 16 2D momentum Page 1
Notes:
2-D momentum problems
L
Tuesday, March 07, 2017
10:38 AM
Review
Waves, sound, light,
refraction and interference
p949
Q89
March 7 Page 1
Thin Film interference
March 7 Page 2
Thin Film interference
why are there colours as t
Tuesday, November 08, 2016
8:39 AM
Friction and Elevator Problems
Newton's Second Law
Fnet=ma
Fnet=F
1. You pull a 2.0 kg cart with 3.0N of force.
a) if the friction of the wheels is negligible, what
Thursday, January 26, 2017
3:58 PM
How did I get the balloon inside the Erlenmeyer
flask?
How does the drinking duck work? What is the
energy source?
How does a refrigerator work?
term
IB definition
T
Tuesday, January 31, 2017
8:45 AM
Q8
p248
Q=?
m = 0.565kg
Tf=20C
Ti = 100C
c= 450 J/kgC
Q=mc(Tf-Ti) = 0.565x450x(20-100)=-20,340.0
-20 kJ
b) Big Idea
Heat given off by the metal = heat gained by the
w
Tuesday, January 17, 2017
8:40 AM
Energy Review
Q16
Jan 17 energy review Page 1
Big ideas for the test Monday:
momentum p=mv in kgm/s vector conserved in
collisions and explosions with no external for
Tuesday, November 01, 2016
11:01 AM
Uniform Circular Motion
- constant speed motion in a circular path
object in motion will tend to move at
constant speed in a straight line unless
unbalanced forces
Thursday, November 03, 2016
8:45 AM
go over questions from the board
look at pulley problems (200 and 250g masses
over a pulley)
prep for lab next class - friction
eg. You pull a 2.0 kg cart with a fo
Wednesday, March 29, 2017
10:18 AM
1. Why learn about history of science?
science is a process as well as a body of
knowledge
2. Calculate the deBroglie wavelength of a 50.0 kg
student running at 4.0
Wednesday, January 11, 2017
8:43 AM
Momentum, Impulse and Conservation of momentum
Momentum, p is the product of mass and velocity.
vector!
units: kgm/s
p=mv
Impulse - change in momentum - = Fnet t or
Monday, January 16, 2017
11:28 AM
Internal Energy Lab
Procedure:
Find mass of 3 metals
hotplate
beaker
3metals
4 cups with water
find mass and initial temp
add hot metals and ice measure final tempera
Tuesday, January 31, 2017
1:56 PM
p248 Q8
specific heat capacity, c is the energy required to
change the temperature of a kg of a substance by
1C or K.
Iron c = 450 J/kgC
water c = 4180 J/kgC
Hydrogen
Thursday, February 16, 2017
8:36 AM
Quiz next class on statics
Practice quiz:
a) 9800N b) 8.5x103N
2.
2.0 x 103 N
Feb 16 intro to electrostatics Page 1
2.0 x 103 N
Feb 16 intro to electrostatics Page
Friday, February 17, 2017
1:58 PM
Nucleus and Radiation (Chapters 30 and 31)
Rutherford found that there was a dense,
positive area in the atom, the nucleus.
The nucleus has protons and neutrons (made
Thursday, November 24, 2016
12:21 PM
eg. 1. You lift a 1.0 kg mass up 1.0m. You could
also use a pulley to lift the mass. You exert 12N on
a string to lift the mass the same distance. What is
the effi
Tuesday, January 03, 2017
12:23 PM
1. A 50.0 kg student runs up 23 stairs, 0.12 m high
and 0.24m wide in 2.5s. Determine
a) the weight of the student
Fg=mg = 50.0x9.80=490.0 =490. N
b) the distance up