DEAL WITH DECEMBER NOW!
A Final Exam Preparation Workshop for Science Students
This workshop is about study techniques, not content.
Register at:
https:/secure.students.ubc.ca/workshops/study.cfm
Today
Air drag Energy and fuel consumption in transportati
Q1 You are enjoying a trip in a small boat when suddenly a big wave causes you to fall into the water. Whats the main heat loss mechanism while you are submerged fully clothed in the water? 1) Conduction 2) Convection 3) Radiation
Q2 The heat loss of a ho
Q1 (1pt) A block with an initial velocity 10m/s comes a stop on a frictional surface. Which of the following is true? 1) The total of the mechanical energy of the block and thermal energy on the surface is not conserved because the frictional force is an
"i fir*t
Phys 100 - Worksheet 3
lI
'cfw_ ,i
Name:
rl 11,
i t.
i
Enerry and Power Units
Student ID:
Instructions: You will work again in groups of 2-3 students but each student should fill out his or her own worksheet.
1) Calculate the energy per sram cont
Phys 100 - Worksheet 8
Name:
Earth Energy Balance
Student ID:
Instructions : Discuss each step in small gtoups. Write on the back or an additional sheet for more
space.
Introduction:
The basic physics that determines the Earth's climate can be understood
ATOMIC STRUCTURE
Topics you must know: 1. Calculations of wavelength and frequency 2. Wave/Particle Duality of Light 3. Calculations of atomic energy levels for one-electron atoms 4. The Quantum nature of electron orbitals 5. Orbital and subshell energy d
Chapter 6 Gases
39. A sample of gas has a volume of 4.25L at 25.6C and 748 mm Hg. What will the volume of this gas be at 742 mm Hg and 26.8C? P1V1 = P2V2 T1 T2 V2 = P1V1T2 P2T1 = 748 mm Hg x 4.25L x 299.95K = 4.30L 742 mm Hg x 298.75K
41. A constant-volum
Chapter 4 Problems
37. Iron ore is impure Fe2O3. When Fe2O3 is heated with an excess of carbon (coke) , iron metal and carbon monoxide are produced. From a sample of ore weighing 938 kg, 523 kg of pure iron is obtained. What is the % Fe2O3 by mass in the
Chapter 6 Gases
39. A sample of gas has a volume of 4.25L at 25.6C and 748 mm Hg. What will the volume of this gas be at 742 mm Hg and 26.8C? 41. A constant-volume vessel contains 12.5g of a gas at 21C. If the pressure of the gas is to remain constant as
Chapter 10 Trigonometric functions
10.1
Calculate the rst derivative for the following functions. (a) y = sin x2 (b) y = sin2 x (c) y = cot2 3 x (d) y = sec(x 3x2 ) (e) y = 2x3 tan x (f) y =
x cos x
(g) y = x cos x (h) y = e sin
21 x
(i) y = (2 tan 3x + 3
Chapter 11 Inverse Trigonometric functions
11.1
The function y = arcsin(ax) is a so-called inverse trigonometric function. It expresses the same relationship as does the equation ax = sin(y ). (However, this function is dened only for values of x between
1. Which is not an energy unit? (Choose all that apply) A) Cal B) kcal C) kWh D) Btu E) MJ/day 2. Imagine a cold winter morning with a temperature of -5 0C outside. You're not planning on being in the house during the day. If you turned the thermostat dow
Light Interacting with Matter (Supplement to Reading Assignment #5) Absorption, Transmission, and Reflection If (visible) light encounters a transparent material like a piece of clear plastic or glass, generally three things happen: Some of the lights ene
Today
Worksheet 13 continued More on transportation Electricity Announcements: Please bring your laptops to the next two lectures. Practice final exams will be posted next week. Solutions will be available a week later.
1
Worksheet 13, Q5
Calculate the
Today
A bit more on Energy Skate Park Free fall: Objects moving under the influence of gravity. Concepts to understand Lecture 1-3: Conservation of Energy Energy Transfer Mechanical Energy Friction
1
Worksheet 2 Questions
3d) What is the approximate am
T-=
fuo ^io'n
-)
*a7 F
'
& H7,/cr
'7"r^
?*
I
I I I
,' =|ff
)
(n 7t * '4a- f
K
lzT-
- hr,'-l v ,I d ,rrn-"^
F- O.7
v,*tz
t ./2 ,rr- l6y/"-.*
@- "(."^'
"(
.t('-."- ,(e^ f
,(*-t
nk ,4, n t.i
?
o
f
a4o tK" rt tl
fkQrr
;.t
*Lrr
"r4i-q=f
,_ -_-
Wt
a-
L L
h,"
'*
Today
Thermal Energy and Chemical Energy Power Transforming Energy and Efficiency Energy in the Body Energy and Power Units
Transforming Energy
Energy is generally conserved. This means that energy can neither be destroyed nor created. So how can we the
Today
First law of thermodynamics Heat transfers Home heating
Deep Questions .
If energy can never be destroyed or created where did it all come from? maybe consult: 'A Brief History of Time' and 'The Grand Design' by Stephen Hawking (Cosmologist)
Energy
Today
Home heating
PLEASE GET A WORKSHEET FROM THE CENTRE DESK
Thermal Conductivity More on heat transfers
Convection Radiation
Cabin Problem with Window
So 1000 W of heating power are needed to keep a cabin without a window at 11 0C if the temperatu
Phys 100 - Worksheet 6
Name:
Radiation
Student ID:
Instructions: Please go to http:i7Bh!-qqlet[o.eduienisirnnlation,icolor-vision and open the simulation Don't tum on the RGB lights yet. Discuss each question in small groups. Write on the back or an addit
Today
Radiation Our experience with radiation
How we see shapes and colour How we feel radiation
Thermal radiation Stefans law and Wiens law.
Heat Transfer Mechanisms
Conduction: Heat transfer due to atoms in contact or collisions in gases and liquids
Phys 100 - Worksheet 7
Name: Student ID:
Heat Transfer: Radiation
Instructions: Discuss each question in small groups. V/rite on the back or an additional sheet for more
space.
1) Radiation in Rooms (A-C: 15 min.; D,E: 15 min.) We have leamed that general
WHY go to CLASS?
conference to help YOU with your academic transition into university featuring: keynote speaker, academic workshops, mentorship opportunities, resource fair, subject specifc seminars, and alumni panelists just for YOU YOUR opportunity to
Today
Newtons 3rd Law continued Friction and air drag
1
Newtons Third Law
Weight and normal force are not an action/reaction pair. Action/reaction partners have same type, act on two different objects. Two surfaces in contact exert a normal force on eac
Chapters 9 & 10 Problems
25. (a) TRUE Frequency and wavelength are inversely proportional so radiation of shorter wavelength has the higher frequency (b) FALSE Light of wavelengths between 390nm and 790nm is visible to the naked eye (c) FALSE All electrom