Phyc3200 Thermodynamics - Assignment 6
Assigned Sun. 25 Oct., due lecture, Fri. 30 Oct.
Applicable problems in Callen are spread too far across topics to be covered or are too hard for topics
we have covered. To start off, here are two. More assigned afte

Phyc3200 Thermodynamics - Assignment 6 (updated)
Assigned Sun. 25 Oct., Mon. 26th , due Fri. 30 Oct. (evening)
Problem 1 Callen 3.9-6 ‘
Nb. Expansions required for (b,_c); results derive from one expression so it will pay to tidy it ﬁrst.
Include the orde

Tuesday, March 07, 2017
8:42 AM
Term 2 test next class
Energy
Ek=1/2 mv2
Eg=mgh = - GMm/r2
w=Energy = area under the F-d graph
W=Fdcos
energy is conserved
Momentum
p=mv is a vector
impulse = p = Fnett = area under Fnet-t graph
momentum is conserved in col

Monday, March 27, 2017
8:57 AM
Electrochemical cells and current
Galvani - late 1700s
dissected frogs - and found when an iron spike
and copper spike touched frogs, the leg muscles
would contract.
Thought he had discovered "the life force"
Volta - the obs

Monday, November 14, 2016
12:21 PM
Hecht questions, Hooke's Law activity,
Q75
N14 Hooke Page 1
N14 Hooke Page 2
N14 Hooke Page 3
Lab activity
Hooke's Law
pull on a spring and an elastic band with a
force scale. Record the extension (change
in length) of t

Thursday, January 12, 2017
12:25 PM
p468 Q87
rms - root mean square
square all the values, take the average and
square root the average
Jan 12 Thermal Page 1
Watch out,
Book definition of Thermal energy is not the same
as IB
Jan 12 Thermal Page 2
as IB
IB

Wednesday, March 01, 2017
8:48 AM
Review for Test Next Class:
Statics
c=cc
=Frsin
Fup=Fdown
Fright=Fleft
Electrostatics
like charges repel
opposite charges attract
Fe = kQq/r2
k=9.00x109Nm2/C2
E=F/q general equation
point charge E=kQ/r2
multiple point cha

Wednesday, November 09, 2016
8:40 AM
Go over Force problems
You stand on a scale in an elevator from the test.
What does the scale read in every section.
(say the scale reads in Newtons)
1. Determine the net force, acceleration and tension
in the string b

Tuesday, November 15, 2016
8:47 AM
1. a 200 g and 250 g mass connected over a pulley.
Determine the acceleration and tension in the
strings when you let them go.
a) hang freely
Atwood Machine
s=1.0m t=1.4s a=? u=0
s=1/2at2 + ut
a=2s/t2 = 2(1.0m)/(1.4s)2
2

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 the stairs
c) the distance sideways of the stairs
d= 2

Tuesday, January 17, 2017
12:23 PM
p239
q26 m=28kg h=4.8m vf = 3.2m/s
p235
Q14 bullet hits block of wood embeds inelastic collision - stick together
Q15
Perfectly elastic collision- bounce off each
other - total kinetic energy of the objects is
conserved

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 efficiency of the pulley?
efficiency = Wout/Win x 100%
= Fo

Wednesday, January 25, 2017
11:19 AM
Thermal Energy Chapter 12
Define:
Temperature, Thermal Energy, Heat, C, Kelvin,
Absolute Zero, Specific Heat Capacity, Latent Heat
Explain How:
1. I got the balloon inside the Erlenmeyer flask.
2. The drinking duck wor

Friday, March 31, 2017
10:15 AM
complete the decay equation:
electron anti-neutrino
positron neutrino
anti-matter has the same mass as corresponding
matter but opposite charge and quantum
numbers
Radioactive Half-life
Some Isotopes are unstable and decay.

Friday, November 04, 2016
12:28 PM
Test Short Answer Problems:
Nov 4 elevators and pulleys Page 1
Nov 4 elevators and pulleys Page 2
Nov 4 elevators and pulleys Page 3
Elevators
2 student volunteers - one to stand on the
scale, the other to push up/down o

Tuesday, March 28, 2017
1:34 PM
Waves (ch 14)
Define:
wave, an oscillation that transmits energy from
one point to another.
physical waves - medium oscillates
Electromagnetic (EM) waves - waves of electric
and magnetic fields (don't require a medium)
medi

Tuesday, November 01, 2016
10:11 AM
Newton's 3 Laws Return test
Newton's First Law - Law of Inertia
Objects stay at constant velocity (constant speed
and linear motion) unless acted upon by
unbalanced forces.
Net force , Fnet = F = vector sum of all force

Friday, February 17, 2017
8:43 AM
Nucleus and Radiation (chapter 30 and 31)
Rutherford found that there must be a dense
positive part of the atom, the nucleus.
The nucleus is composed of protons and
neutrons.
The atomic number, Z, is the number of protons

Physics 11 Laboratory Report Guidelines + Sample Lab on Precision
Purpose: A brief description of the relationship under investigation.
e.g. Measure the density of a material using a ruler, vernier caliper and a micrometer. Note the
relative benefits of e

Tuesday, November 15, 2016
1:14 PM
Friction Lab
Name block
Purpose: Determine factors that influence the
coefficient of friction, = Ff/FN.
Hypothesis:
Free body diagram:
Factor
applied force, Fa=Ff weight,
Nov 15 Friction Lab and pulleys Page 1
=Ff/FN=Fa/

Wednesday, November 02, 2016
8:44 AM
Dynamics (chapter 5 + 8.1 universal gravitation +
Hooke's Law)
Dynamics - study of Forces.
Force - something that causes acceleration changes in motion or shape
- a push or a pull
units: Newton, N = kgm/s2
force is a v

Wednesday, January 18, 2017
8:37 AM
Collision Lab p19
http:/physicspages.wikispaces.com/file/view/physics%2012%
20Lab%20Manual.pdf/561149823/physics%2012%
20Lab%20Manual.pdf
Drop the ball 3 times with no collision to find the
velocity and momentum of the

Tuesday, November 08, 2016
12:24 PM
But, if you stood on an elevator what would the
scale read if
If you stand on a scale, it usually gives your weight,
the force of gravity pulling you down.
But if someone pushes you down, the scale doesn't
read your wei

Monday, March 27, 2017
10:42 AM
Homework:
correct the test
questions:
1. Why learn about history of science?
2. Calculate the deBroglie wavelength of a 50.0 kg
student running at 4.0 m/s. Compare to an
electron, mass 9.11 x 10-27kg moving at
2.0x106m/s. h

Friday, January 20, 2017
12:25 PM
Big Test Next Class
Momentum, p=mv units: kgm/s vector
impulse p=Fnett = area under Fnet -t graph
Collision or explosion - think conservation of
momentum pi=pf (vector sums) if there are no
external force (close, isolated

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
up of quarks).
The atomic number, Z, is the number of

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 act upon it.
Therefore, an object in uniform circular
m

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 gravitational energy)
Current, I is the amount of charge passing p

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 collision - both momentum
and kinetic energy are conserv

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 is usually a switch that can be closed (on) to allow ele

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, I have high hopes for her.
I superimposed her face on

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. How would you do it?
I'm thinking that your only chance i

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, the glare can just about blind you!
The same sort of th

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 for
numerical response questions, it has become necessar