Lab 3
Permeability Test
12-336
Soil Mechanics Lab
October 22, 2010
1. Introduction
The purpose of this lab is to determine the permeability of soil with different size soil grains
by the constant head test. Permeability is the capability of porous soil to
21-270
Introduction to Mathematical Finance
Homework #2
Spring 2009
Due in class on Wednesday, January 28. All problems should be turned in.
1. This problem refers to Example 1.22 in the text. In class, we used a replicating portfolio
40
to compute the in
21-301 Combinatorics
Homework 7
Due: Monday, November 12
1. Let rn = r(3, 3, . . . , 3) be the minimum integer such that if we n-color the edges of the
complete graph KN there is a monochromatic triangle.
(a) Show that rn n(rn1 1) + 2.
(b) Using r2 = 6, s
21-301 Combinatorics
Homework 6
Due: Monday, November 5
1. Let G be a bipartite graph with bipartition A, B where |A| = |B | = n. Let m be the
number of edges of G. Show that if r 2 and
n
m/n
2
> (r 1)
n
2
(1)
then G contains a copy of K2,r . Here K2,r is
21-301 Combinatorics
Homework 6
Due: Monday, November 5
1. Let G be a bipartite graph with bipartition A, B where |A| = |B | = n. Let m be the
number of edges of G. Show that if r 2 and
n
m/n
2
> (r 1)
n
2
then G contains a copy of K2,r . Here K2,r is a b
21-301 Combinatorics
Homework 5
Due: Monday, October 29
1. Let S1 , S2 , . . . , Sm and T1 , T2 , . . . , Tm be two partitions of the set X into sets of size k .
Show that there is a set cfw_s1 , s2 , . . . , sm that is a set of distinct representatives
21-301 Combinatorics
Homework 7
Due: Monday, October 29
1. Let S1 , S2 , . . . , Sm and T1 , T2 , . . . , Tm be two partitions of the set X into sets of size k .
Show that there is a set cfw_s1 , s2 , . . . , sm that is a set of distinct representatives
21-270
Introduction to Mathematical Finance
Homework #1
Spring 2009
Problem 4 is due in class on Wednesday, January 21.
1. Assume the following exchange rates are valid:
1. US Dollar = 0.68 British Pound
1 US Dollar = 1.22 Canadian Dollars
1 US Dollar = 1
Writing Assignment #1
How Do Societal Choices Affect Our Human
Ecological Footprint?
12-351
Environmental Engineering
Daria Wong
March 4, 2011
Subways: A lifestyle for the city-dweller
The time is 5 oclock, and rush hour is here again. Instead of relaxing
Lab 4
Consolidation
12-336
Soil Mechanics Lab
November 12, 2010
1. Introduction
The purpose of this lab is to observe the effects of consolidation on a specific soil and to
predict soil settlement. Consolidation is defined as the transfer of loads from th
12-301 Civil and Environmental
Engineering Projects
FALL 2010
SAFETY REPORT
NOVEMBER 23, 2010
EVAN ACEVEDO
SERGIO GUINDON
TIM PIANKA
LIONEL SEIDMAN
DARIA WONG
SAFETY ISSUE OF HOOVER DAM
The Hoover Dam was designed to generate hydroelectric power and to co
12-301 Civil and Environmental
Engineering Projects
FALL 2010
PROFESSIONAL ETHICS AND RESPONSIBILITY
CHERNOBYL DISASTER
DARIA WONG
NOVEMBER 2, 2010
CAUSES OF FAILURE
After the technical test at Chernobyl power plant failed, researchers heavily debated on