Lecture 1-disp2456542234566.2456655555ppt

1. slide 1
Physics 1401 - L 1 Frank Sciulli
Introductory Physics Courses Designed for
Engineering and Science Students
 Three different introductory sequences for people with
differing preparations, interests, and goals
 1400 sequence: emphasizes basics, connections in the world,
and college level physics problem solving
 1600 sequence: + more abstract and theoretical; approach
more mathematical; order of topics slightly different
 2800 sequence: the three semesters of the 1600 sequence in
two semesters; specifically for students with advanced
placement in mathematics and strong background in physics
 All courses incorporate calculus at early stage
 You are now in Physics 1401(1) … if you are well
prepared in Physics, you are probably in the wrong
course

2. slide 2
Physics 1401 - L 1 Frank Sciulli
Science/Engineering
Sequences
Sequence Points
Recommended
Median Grade
Separate
Lab Course
Physics 1401-2-3 3.0 B/B+ 1493 or
1494
Physics 1601-2,
and 2601
3.5 mid B+ 1493 or
2699
Physics 2801, 2802 4.5 B+/A- 3081

3. slide 3
Physics 1401 - L 1 Frank Sciulli
1400 Sequence
 Three semester sequence (no labs included)
 1401-Mechanics and Thermodynamics
 1402-Electricity/Magnetism and Optics
 1403-Wave motion and Quantum Mechanics
 Each is worth 3.0 points
 Recommended median grade at B-B+ interface
 Separate Lab courses (when appropriate)
 If 1401-02 only, take 1493 in 3rd semester
 If all 3 semesters, take 1494 in 4th semester
 Emphasizes basics, connections in the world,
and college level physics problem solving

4. slide 4
Physics 1401 - L 1 Frank Sciulli
Text and Topics
 Text is Halliday, Resnick, Walker;
"Fundamentals of Physics", 6th ed.
(with metromedia CD)
Chapters 1-15, 19-21
 Mechanics: includes linear motion, forces,
energy, rotations, thermodynamics
 Note that chapters 16 – 18 are not
covered this semester.
 These include topics on harmonic motion,
waves, …
 These topics are part of the third semester
(1403) in the sequence

5. slide 5
Physics 1401 - L 1 Frank Sciulli
Mechanics of this Course
 No handouts
 All information transmitted on the web!
 Grades (I hate them, but …responsibility to be FAIR!) …
detailed policy at website
 you MUST be able to do problems in exams
 homework, though only a small component of the final grade in
itself, is an ESSENTIAL tool to assure yourself you know the
concepts and how to do problems.
 College course: assume all are mature adults
 Check out the home page and links – all information that
I thought useful is written there …
 http://www.nevis.columbia.edu/~sciulli/Physics1401/Ph1401.html
sorry for the pun!

6. slide 6
Physics 1401 - L 1 Frank Sciulli
History (Big Picture)

7. slide 7
Physics 1401 - L 1 Frank Sciulli
Physics – Matter and Forces
This course is meant to begin the study!!
Physics 1401

8. slide 8
Physics 1401 - L 1 Frank Sciulli
Predictive Nature of Physics Useful
 And deadly if neglected !!!!

9. slide 9
Physics 1401 - L 1 Frank Sciulli
History (people oriented)
13 109
BCE Universe started
5 109
BCE Solar system & Earth formed
2 -1 106
BCE Man precursors with small brains
105
BCE Homo Sapiens with BIG brains
104
BCE Writing (for business)
1000 BCE Bible written down
400 BCE -400 Greeks, Romans … ideas … many wrong
1400-1650 DaVinci, Brahe, Copernicus, Galileo
1650-1900 Newton, … -- Classical Mechanics
1750-1900 Franklin,…Maxwell --Electricity&Mag
1900- "Modern" Physics

10. slide 10
Physics 1401 - L 1 Frank Sciulli
Mathematics
x=x0+vt
Every formula
carries a
concept!
Read them
that way
The math (algebra,
trigonometry, calculus)
are tools to ends!

11. slide 11
Physics 1401 - L 1 Frank Sciulli
Immediate Future
 I assume you know (reviewed in text)
 algebra and trigonometry well!!
 vector familiarity (review elementals as we go.)
 calculus simultaneously (know fundamentals!.)
 All assignments and due dates are posted. See
website.
 Chapter 1 (Measurement, numbers, ...) should
be a review of what you know. Read it and
make sure.
 Chapters 2 (1D motion) and 3 (vectors) also
should be largely review.
 I will go quickly through first few chapters (so
we have time to get through the topics
programmed for the semester).

12. slide 12
Physics 1401 - L 1 Frank Sciulli
Simple problem (like sample 1 – 4)
Earth spherical? Measure radius!
1. Mark lake level at location of ship
and place meter stick on ship side
2. Go to lake shore (d = 4.4km) and
sight along lake; find that sighting
is on ship side at h = 2.0m.
3. What is the radius, R, of the
earth?

Eratosthenes (300 BCE) measured
radius of the Earth to 5% using
geometry, angle between Aswan
and Alexandria.
See NY Times, Sept 24,2002
Science’s 10 most beautiful expts.

13. slide 13
Physics 1401 - L 1 Frank Sciulli
Definitions of velocity and acceleration
Average velocity
Average acceleration
x
v
t
v
a
t







14. slide 14
Physics 1401 - L 1 Frank Sciulli
Velocity
 Average velocity
 Interval dependent
 Instantaneous velocity
 Limit of interval = 0
0
6
Case shown 2 /
li
3
m
 

 
  
 



 




i
avg
nst
t
x dx
v v
x
v v
t
m
s
t
v m s
dt

15. slide 15
Physics 1401 - L 1 Frank Sciulli
In the Beginning
 Chapter 1: Units, Dimensions, powers of ten,
idea of mass. Should be mostly a review. Make
sure you can do the problems in the text. (None
assigned.)
 Chapter 2: Position, velocity, acceleration in one-
dimension (1D). Should also be largely a review.
Some discussion here. Problems assigned.
 Chapter 3: Vectors -- essential for discussion of
more than 1D. We will discuss.
 Next lecture, review chapters 2 & 3. Read them
and start on assigned homework problems soon.
Finish the day with a pretty description of
the scales of physics … Phillip Morrison