Homework 4 Solutions
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Fundamental Problem 7.2:
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Fundamental Problem 7.2: (cont.)
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Problem 7.40:
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Homework 6 Solutions
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Problem 12.35:
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Problem 12.49:
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Problem 12.11:
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Problem 12.39:
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Homework 9 Solutions
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Problem 4.115:
Given:
Bolts: AB and EF are made of A992 steel with E = 200 GPa,
= 12e-6 /C, and Sy = 250 MPa
Rod: CD is made of 6061-T6 aluminum with E = 68.9 GPa,
=
Homework 3 Solutions
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Fundamental Problem 6.8:
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Problem 6.69:
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Problem 6.5:
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Problem 6.40:
Homewo
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Problem 9.52:
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Problem 9.52: (cont.)
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Problem 10.76:
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Problem 9.60:
Hom
Homework 2 Solutions
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Problem 5.118:
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Problem 6.9:
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Problem 6.9: (cont.)
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Problem 5.113:
Homework
3. Download the le beltsville temperaturetxt" from Canvas (under Files'tHomework folder).
This le was obtained from httpwww .ncdt:.noaa.goyr (the National Centers for
Environmental Information at the
3. The fellnwing data shew measurements efealeiuni cfw_Ca levels fer feur greups nf patients
with differing levels a type at hermnne. Can yau ennelude that there are differ-canes amnng
the mean Ca lev
Problems (15 pts each
]. At a certain college. it is estimated that at most 25% of the students ride bicycles to class.
a. Does it seem to be a valid estimate if, in a random sample of 90 college stud
g.
h.
Based on these data, give a 95% condence interval for the temperature in Beltsville
in July of 202?. Interpret (in words) what the interval means?
Let us now instead focus on the annual variatio
Instructions:
Written assignments should be tamed in on GRADESCOPE.
o Start each problem on a new page
' Homework must be uploaded by I 159pm on the dag.r it is due.
' lllegible scans 1will NOT be gra
4. The weights were measured in kilograms of 16 patients immediately before and ve weeks
after a signicant abdominal surgical procedure:
Patient 1 2 3 4 5 6 T 8 9 16
Before 66 8t 69 52 75 T3 65 3'? 55
ENI'Ir'LE 3'92 Fall 3013'
Homework #9
DUE: Wed NM 20', 1159PM
Instructions:
Written assignments 51de be turned in an GRADESCGPE.
*- Slart each problem an a new page
- Hunter-mt]: must be uplnaded by 5
Problems (15 pts each
1. The Youngs modulus and eld stress were measured for 7 different specimens, processed
by varying means, for a candidate material being tested to determine its suitability for a
3. The Terps racing team is 5 days away from the big race. They know they only have a very
limited time to improve the car. so they must choose what to spend their time on very
carefully. To help deci
4. In a series of experiments, an engineer is attempting to learn what factors contribute to tread
life of automobile tires. The experiments are conducted using three factors: tread width CW),
tread g
Candide
An Introduction
02/10/2014
I. The Enlightenment
a. The Age of Reason
b. A period of optimism and reform
i. Political change
ii. Declining influence of nobility and church
iii. Increase in lite