Physics 220 SFSU
Instructor: Violeta Grigorescu
Student name:_ Seat:
Exam 2
1) The force on a particle of mass m depends on position such that F(x) = ax2+ bx when the particle is
constrained to move a
Physics 220 SFSU
Instructor: Violeta Grigorescu
Student name:_ Seat:
Exam 1
Part I: Multiple Choice and/or Short Answer:
1. For some strange reason, you decide to weigh yourself in an elevator. You kn
26.4 Energy Stored in a Charged Capacitor
Stanley Liu
Summary of what happens when open/close a switch connected to a capacitor and battery.
Work must be done to move a charge from one
plate to anothe
Surname 1
Name
Professor
Course
Date
The most important features of Beijings physical and cultural environment during the
Mao period (1949-1976), how Beijing changes after Maos death and the end of Cu
Fundamental of Electrical
Engineering
EMT 113/4
CHAPTER 1:
TRANSFORMER
Electrical Machines
Device that can convert either mechanical energy
to electrical energy or vice versa.
TRANSFORMER: Device that
Kg
5. A car moving at a velocity of 20.0 mir's is behind a truck moving at a constant velocity of I.-
18.0 Infs. When the car is 50.0 In behind the 'ont of the truck, the car accelerates uniformly at
Significant Figure: Addition and Subtraction
Rules:
For addition and subtraction, look at the decimal portion (i.e., to the right of the decimal
point) of the numbers ONLY. Here is what to do:
1) Coun
Significant Figure: Addition and Subtraction
Rules:
For addition and subtraction, look at the decimal portion (i.e., to the right of the decimal
point) of the numbers ONLY. Here is what to do:
1) Coun
Significant Figures
Rules:
1) ALL non-zero numbers (1,2,3,4,5,6,7,8,9) are ALWAYS significant.
2) ALL zeroes between non-zero numbers are ALWAYS significant.
3) ALL zeroes which are SIMULTANEOUSLY to
Significant Figures
Rules:
1) ALL non-zero numbers (1,2,3,4,5,6,7,8,9) are ALWAYS significant.
2) ALL zeroes between non-zero numbers are ALWAYS significant.
3) ALL zeroes which are SIMULTANEOUSLY to
Problem 1
(a) Write a declaration for a two-dimensional array named
temperature_readings that stores one month of hourly
temperature readings. For simplicity, assume that a month
has 30 days. The rows
Code Dynamic Websites
with PHP
Lecture #2
Brad Hussey
codecollege.ca
lecture 2: what is php?
Hey everybody! Welcome to Code Dynamic Websites with PHP.
This lecture is called "What is PHP"?
PHP is one
8. it A particles trajectory is described by x 3 (13 w 2?) m and
.V : (fz 2r) m, where t is in s
a. What are the particles position and speed at $3 0 s and
1 W 4 3?
b. What is the particles direction
1.
(a) Write a declaration for a two-dimensional array named
temperature_readings that stores one month of hourly
temperature readings. For simplicity, assume that a month
has 30 days. The rows should
Significant Figures: Multiplication and Division
Rules:
The LEAST number of significant figures in any number of the problem determines the
number of significant figures in the answer.
This means you