Chapter 4 homework and partial answers
1) Let Xi be a random variable denoting the average wind speed during a February day in Lincoln.
Twoparameter Weibull and oneparameter Rayleigh (special case of Weibull) distributions are
often used to model wind s
Contemporary Civilization C1101x, Section 57
Fall 2012, Tuesdays and Thursdays 4:106 pm
313 Hamilton Hall
Suzanne Schneider
Department of Middle East, South Asian and African Studies
sls2001@columbia.edu
Office Hours: Wednesday and Thursday, 34 pm. 907
Harold Bloom Abstract
Harry Wheeler
In Harold Blooms book The Anxiety of Influence, written in 1997, the author discusses a
theory on the history and evolution of poetry. In his theory, Bloom discusses how all poets are
products of precursor texts. He not
Matlab Homework Submission Guide

READ THIS FIRST
All assignments are due before the start of the project session each week
All assignments are to be completed individually
You may submit the solution more than once. We will only grade the latest
submiss
Matlab Homework Submission Guide

READ THIS FIRST
All assignments are due before the start of the project session each week
All assignments are to be completed individually
You may submit the solution more than once. We will only grade the latest
submiss
Matlab Homework Submission Guide

All assignments are due before the start of the project session each week
All assignments are to be completed individually
You may submit the solution more than once. We will only grade the latest
submission that was sub
Matlab Homework Submission Guide

All assignments are due before the start of the project session each week
All assignments are to be completed individually
You may submit the solution more than once. We will only grade the latest
submission that was sub
Notes: due 12/12 Monday at 5pm
ch 15
5 41 44 51 57
ch 18
15 19 27 29 31 43 45 51 55 60
Chapter 15:
5. (a) The amplitude is half the range of the displacement, or xm = 1.0 mm.
(b) The maximum speed vm is related to the amplitude xm by vm = xm, where is the
Notes: due 12/12 Monday at 5pm
ch 15
5 41 44 51 57
ch 18
15 19 27 29 31 43 45 51 55 60
Chapter 15:
5. (a) The amplitude is half the range of the displacement, or xm = 1.0 mm.
(b) The maximum speed vm is related to the amplitude xm by vm = xm, where is the
Notes: chapter 13 problems, due 12/5, Monday, 5pm
8 13 22 24 25 34 39 45 47 50 56 58 70 72 79
Chapter 13:
8. Using F = GmM/r2, we find that the topmost mass pulls upward on the one at the origin with
1.9 108 N, and the rightmost mass pulls rightward on th
Notes: chapter 13 problems, due 12/5, Monday, 5pm
8 13 22 24 25 34 39 45 47 50 56 58 70 72 79
Chapter 13:
8. Using F = GmM/r2, we find that the topmost mass pulls upward on the one at the origin with
1.9 108 N, and the rightmost mass pulls rightward on th
Notes: chapter 13 problems, due 12/5, Monday, 5pm
8 13 22 24 25 34 39 45 47 50 56 58 70 72 79
Chapter 13:
8. Using F = GmM/r2, we find that the topmost mass pulls upward on the one at the origin with
1.9 108 N, and the rightmost mass pulls rightward on th
Notes: Chapter 11 due Monday 11/14 at 5pm
problems 7, 12, 16, 40, 50, 53, 60, 68, 71, 79
Chapter 11:
7. (a) We find its angular speed as it leaves the roof using conservation of energy. Its initial
kinetic energy is Ki = 0 and its initial potential energy
HW 7 due Friday Nov 4 at 5pm
chapter 10 problems
6 14 22 30 40 43 51 53 56 66 71 87 90 93 98
Chapter 10:
6. If we make the units explicit, the function is
but generally we will proceed as shown in the problemletting these units be understood. Also,
in our
due Friday 10/28 at 5pm
chapter 9 problems
2 13 22 24 26 52 57 58 64 68 102 106
Chapter 9:
2. Our notation is as follows: x1 = 0 and y1 = 0 are the coordinates of the m1 = 3.0 kg particle; x2 =
2.0 m and y2 = 1.0 m are the coordinates of the m2 = 4.0 kg p
Matlab Homework Submission Guide

READ THIS FIRST
All assignments are due before the start of the project session each week
All assignments are to be completed individually
You may submit the solution more than once. We will only grade the latest submiss
Matlab Homework Submission Guide

READ THIS FIRST
All assignments are due before the start of the project session each week
All assignments are to be completed individually
You may submit the solution more than once. We will only grade the latest submiss
Matlab Homework Submission Guide

READ THIS FIRST
All assignments are due before the start of the project session each week
All assignments are to be completed individually
You may submit the solution more than once. We will only grade the latest submiss
Matlab Homework Submission Guide

READ THIS FIRST
All assignments are due before the start of the project session each week
All assignments are to be completed individually
You may submit the solution more than once. We will only grade the latest submiss
Matlab Homework Submission Guide

READ THIS FIRST
All assignments are due before the start of the project session each week
All assignments are to be completed individually
You may submit the solution more than once. We will only grade the latest submiss
Matlab Homework Submission Guide

READ THIS FIRST
All assignments are due before the start of the project session each week
All assignments are to be completed individually
You may submit the solution more than once. We will only grade the latest submiss
Assignment 4 Solutions
HW 4 due Monday 10/10 at 5 pm
chapter 6 problems
25 34 36 40 49 56 57 60 61 88
Chapter 6:
25. The freebody diagrams for block B and for the knot just above block A are shown below.
is the tension force of the rope pulling on block
Assignment 4 Solutions
HW 4 due Monday 10/10 at 5 pm
chapter 6 problems
25 34 36 40 49 56 57 60 61 88
Chapter 6:
25. The freebody diagrams for block B and for the knot just above block A are shown below.
is the tension force of the rope pulling on block
Matlab Homework Submission Guide

READ THIS FIRST
All assignments are due before the start of the project session each week
All assignments are to be completed individually
You may submit the solution more than once. We will only grade the latest submiss
Assignment 2:
ch 2 problems
15 17 18 23 3o 32 44 51
ch 3 problems
27, 28
Chapter 2:
15. We use Eq. 24 to solve the problem.
(a) The velocity of the particle is
Thus, at t = 1 s, the velocity is v = (12 + (6)(1) = 6 m/s.
(b) Since v 0, it is moving in the
Assignment 1:
Chapter 3:
problems 6,9,15,22,30,34,38,41,60,63
6. (a) The height is h = d sin, where d = 12.5 m and = 20.0. Therefore, h = 4.28 m.
(b) The horizontal distance is d cos = 11.7 m.
9. All distances in this solution are understood to be in mete
1
Introduction to Differential Equations
Exercises 1.1
1. Secondorder; linear. 2. Thirdorder; nonlinear because of (dy/dx)4 . 3. The dierential equation is rstorder. Writing it in the form x(dy/dx) + y 2 = 1, we see that it is nonlinear in y because of
CENTER FOR SUSTAINABLE ENERGY
Research Experience for Undergraduates (REU)
in Sustainable BioEnergy at the Center For Sustainable Energy (CSE)
May 28, 2013  August 2, 2013
CSEREU participants contribute to one of many collaborative, interdisciplinary re