Phys 2A
Chapter 11
Homework:
Q:1-9,16,17; M: all;P: #1,3,5,7,9,11,15,19,21,27,31,35,39,41,
Responses to Questions
1.
The acceleration of a simple harmonic oscillator is momentarily zero as the mass passes through the
equilibrium point. At this point, ther
Chapter 10
Homework: Q: 1-13; M:All;
P:1,3,5,9,11,15,17,23,25,27,33,41,43,45,47,49,51,53
Extra: 57
Responses to Questions
1.
Density is the ratio of mass to volume. A high density may mean that lighter molecules are packed more closely
together and thus a
Technology And Divorce: A Correlation?
By Amy Lee
Texting, TV, and the Internet may be ruining your marriage.
These techno-distractions are at least one factor in the disintegration of civic
engagement, and as a result, in the quality and stability of mar
PHYSICS 2A. Chapter 9
Homework: Questions: all; Misconcept: all;
Problems: 1,7,9,11,13,15,17,19,21,27, 31,35,41,
43,47,49, 51,53
Extra: 29
Responses to Questions
1.
If the object has a net force on it of zero, then its center of mass does not accelerate.
PHYSICS 2A
Homework. Chapter 2.
Questions: ALL; Misconceptual questions: all
Problems: 1,3,9,13,15,19,21,23,25,27,33,35,37,39,41,47,49,53,71
Extra Credit: 59
Responses to Questions
1.
A car speedometer measures only speed. It does not give any information
PHYSICS 2A
Homework. Chapter 2.
Questions: ALL; Misconceptual questions: all
Problems: 1,3,9,13,15,19,21,23,25,27,33,35,37,39,41,47,49,53,71
Extra Credit: 59
Responses to Questions
1.
A car speedometer measures only speed. It does not give any information
PHYSICS 2A. Chapter 8
Homework: Questions: 1,2,3,5,6,10,11,12,13; Misconceptual: 1-13;
Problems: 3,5,7,9,11,17,19,21,23,25, 27,33,35,39,41,45,51,55, 57, 63,
65,67
Extra: 47
Responses to Questions
1.
The reading on an odometer designed for 27-inch wheels i
Physics 2A. Chapter 12
Homework: Q: 1,2,6,12,15,17; M:1-4,12,13;
Problems: 1,3,9,11, 13,15,57,59,61,62
Extra: 69
Responses to Questions
1.
Sound exhibits several phenomena that give evidence that it is a wave. Interference is a wave phenomenon,
and sound
PHYSICS 2A
Chapter 3
Homework: Questions:1-10; Misconceptual: All;
Problems: 1,3,5,9,13,15,17,19,21,23,27,31,35,41,43,45
Responses to Questions
1.No, the two velocities are not equal. Velocity is a vector quantity, with a magnitude and direction. If two v
Physics 2A. Chapter 14
Homework:Q:1-7;M:All; P:1,3,7,9,11,13,25,27,29,35,37
Extra: 43
Responses to Questions
1.
The work goes primarily into increasing the temperature of the orange juice, by increasing the average
kinetic energy of the molecules comprisi
Physics 2A. Chapter 5
Homework: Questions: ALL; Misconceptual: ALL;
Problems: 1,3,5,7,9,11,13,15,17,19,21,29,33,41,45,47,49,61
Extra Credit: 65
Responses to Questions
1.
The three major accelerators are the accelerator pedal, the brake pedal, and the stee
AQ 04
Return to Assessment List
Part 1 of 1 -
7.4/ 10.0 Points
Question 1 of 10
When did the 2nd migration enter into the Pacific?
1.0/ 1.0 Points
A. 6,000 bp
B. 7,000 bp
C. 8,000 bp
D. 40,000 bp
Answer Key: A
Question 2 of 10
What type of culture were th
Solar System Scale Model
[email protected] 16 Sep 2011
Many of us learn about the solar system in elementary science classes. But we don't go much
beyond learning a few facts and perhaps looking at a few of the planets in the night sky. It's
instruct
Name_
K. Hartford
Stat, Chapter 4 Practice (Probability)
Find the indicated probability. Express your answer as a simplified fraction unless otherwise noted.
1. The table below describes the smoking habits of a group of asthma sufferers.
Light Heavy
Nonsm
Last Name_First Name_
Stat
Chapter 8 Practice
Date_
K. Hartford
Express the null hypothesis and the alternative hypothesis in symbolic form. Use the correct symbol (, p, ) for the
indicated parameter.
1. A cereal company claims that the mean weight of the
Stat, Chapter 3 Practice
Find the mean for the given sample data. Unless indicated otherwise, round your answer to one more decimal place than is
present in the original data values.
1. The amount of time (in hours) that Sam studied for an exam on a sampl
Last Name_First Name_
Stat
Practice Ch6
Date_
K.Hartford
If z is a standard normal variable, find the probability.
1. The probability that z lies between -2.41 and 0
1)
2. The probability that z lies between -0.55 and 0.55
2)
Assume that the weight loss f
Last Name_First Name_
StatH
Practice Section 7.5
Date_
K.Hartford
Solve the problem.
2
1. Find the critical value R corresponding to a sample size of 9 and a confidence level of 95
1)
percent.
2
2. Find the critical value R corresponding to a sample size
Last Name_First Name_
Stat
Practice Ch 7
Date_
K.Hartford
Find the indicated critical z value.
1. Find the critical value z /2 that corresponds to a 91% confidence level.
Express the confidence interval using the indicated format.
^
2. Express the confide
Stat, Chapter 2 Practice
4. The frequency distribution below summarizes the
home sale prices in the city of Summerhill for the
month of June. Find the class boundaries for class
80.0-110.9.
Provide an appropriate response.
1. The frequency distribution be
Stat, Chapter 1 Practice
Determine whether the given value is a statistic or a
parameter.
1) A sample of 120 employees of a company is
selected, and the average age is found to be 37
years.
Perform the requested conversions. Round decimals to the
nearest
ECON 302
Introduction
I. Intro to me
A. Name, Office, Phone, Office hours
B. Extra times - please call
C. Economist, primary interests, how I use statistics
III. Intro to course
A. Intro course in stats, how many have had HS stats?
B. Applications for bus
Self-Study Assignment #C
Inventory Management
Due: 12/23/11
1. George uses 1,500 per year of a certain subassembly that has an annual holding
cost of $45 per unit. Each order placed costs George $150. He operates 300 days
per year and has found that an or
SOME STATISTICS FORMULAS
FREQUENTLY USED FORMULAS
n = sample size; N = population size
Sample mean
Population mean
Sample standard deviation
Population standard deviation
Sample mean for a frequency distribution
Sample standard deviation for a frequency d
What is Business Statistics?
Statistics is the science of data. It involves collecting, classifying, summarizing, organizing,
analyzing, and interpreting data. The main objective of Business Statistics is to make inferences
about certain characteristics o