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An ideal Otto cycle has a compression ratio of 7. At the beginning of the compression process, P1 = 90 kPa, T1 = 27°C, and V1 = 0.004 m3. The maximum cycle temperature is 1167°C. For each repetition
answered
Sep 16, 2020
Chemistry
college
3
votes
160k
views
In his book The Elusive Quest for Growth, development economist William Easterly discusses the relationship between foreign aid and investment in poor countries. He posits that to establish the effectiveness
answered
May 19, 2020
Social Studies
high-school
3
votes
214k
views
State if the three numbers can be the measures of the sides of a triangle. 1) 12,26, 11 2) 10, 3, 9 3) 2, 8, 9 4) 21, 10, 11 5) 11, 25, 12 6) 8, 8, 8 7) 11, 3, 8 8) 7, 1, 8 9) 10, 13, 10 10) 6, 7, 9 yes/no
answered
Apr 18, 2020
Mathematics
middle-school
4
votes
177k
views
Hammond likes his daily routine that involves eating the same breakfast while reading the newspaper, and taking the same route to work. Every year he vacations at his favorite beach resort. Which of the
answered
Feb 13, 2020
Social Studies
high-school
7
votes
215k
views
Which best describes the first intifada launched by Palestinians in the 1980s?
answered
Jan 30, 2020
History
middle-school
5
votes
214k
views
You are asked to help the staff in the arena during the Fist Bump gig. You will work: 2 1 /4 hours preparing the arena. 2 1/2 hours in ticket office. 3 3/5 hours during the gig. How many hours will you
answered
Dec 15, 2019
Mathematics
middle-school
4
votes
132k
views
What is a negative externality of a cell phone? an inability to use it in some places, such as tunnels a conversation that annoys people nearby its size it needs to be charged
answered
Nov 7, 2019
History
high-school
2
votes
125k
views
What polynomial should be subtracted from the polynomial y^2–5y+1 to get the difference equal to 5
answered
Sep 16, 2019
Mathematics
college
3
votes
38.8k
views
the volume of a rectangle gift box is 98 cubic inches. the height is 4 inches and the width is 3 1/2 inches.what is the length of the gift box
answered
Jun 7, 2019
Mathematics
middle-school
3
votes
202k
views
What is 4 - 3 2/10 =
answered
Nov 9, 2018
Mathematics
middle-school
4
votes
64.8k
views
Name the layers of the earth from smallest to largest! help?
answered
Oct 27, 2018
Biology
middle-school
3
votes
214k
views
What is the product in lowest terms? 8/15 x -3/10
answered
Aug 19, 2018
Mathematics
middle-school
2
votes
208k
views
When water freezes,it contracts true or false
answered
Mar 1, 2018
Chemistry
high-school
4
votes
220k
views
¿Por qué __________ Juan Miguel (hablar) por teléfono?
answered
Dec 24, 2017
Spanish
high-school
6
votes
115k
views
In a direct democracy, who holds the majority of political power
answered
Jul 20, 2017
History
high-school
6
votes
65.2k
views
Explain why a spinning top will not remain in motion forever
answered
Jul 1, 2017
Mathematics
middle-school
4
votes
221k
views
What is the element Ar classified as in the periodic table?
answered
Mar 30, 2016
Chemistry
high-school
2
votes
32.1k
views
Find midpoint M of AB. Solve the diagram below
answered
Feb 13, 2015
Mathematics
high-school
1
vote
173k
views
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