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April 20, 2014

Homework Help: Computers: Operating Systems

Recent Homework Questions About Operating Systems

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Solar Energy Please Help
f) Solar thermal system
Sunday, October 27, 2013 at 4:47am

Chemistry
delta E = q + w 7.02 is negative since the system does work. q is + since the system absorbs heat.
Saturday, October 26, 2013 at 11:25pm

Chemistry
What is the change in internal energy of a system that does 7.02 kj of work and absorbs 888 j of heat?
Saturday, October 26, 2013 at 11:04pm

chemistry
An aqueous solution of copper (II) sulfate is a thermodynamic system under study. What typer of system is this if the solution is contained in a beaker on a laboratory table?
Saturday, October 26, 2013 at 11:04pm

Math
http://www.google.com/search?q=earth+sys​tem&rlz=1C1AVSX_enUS414US423&oq=earth+sy​stem&aqs=chrome..69i57j0l5.4362j0j8&sour​ceid=chrome&espv=210&es_sm=122&ie=UTF-8#​es_sm=122&espv=210&psj=1&q=10%2C000++-+4​%2C564
Saturday, October 26, 2013 at 3:21pm

Solar Energy Please Help
a) Family Smith has already installed PV in their house. Now, they also want to cover their needs for warm water with solar energy. For this, they consider having a solar thermal water heating system. Considering that the need for warm water is 100L/day, the water has to be ...
Saturday, October 26, 2013 at 2:51pm

science
why do scientists use the international system of units(SI)? a) because the SI is based on the metric system b) because the tools scientists use only measures in SI units c) so they can communicate their results without confusion d) so all scientist are guaranteed to come up ...
Saturday, October 26, 2013 at 2:49pm

Science
How is earth like a system?
Saturday, October 26, 2013 at 11:51am

HSM/220
PLEASE HELP!!!!!!...FOR LACK OF CERTAIN VARIABLE TYPE MATH SKILLS AND A NEED IN ASKING THIS: IS IT IN FACT THAT 1.5 IS THE SAME AS MULTIPLYING BY 0.50 IN FINDING THE ANSWER? IF MY ASSUMPTION RING TRUE, THEN I HAVE NO FEASIBLE REASON FOR CONSISTENTLY COMING UP WITH THE WRONG ...
Saturday, October 26, 2013 at 4:32am

chemistry
dE = q+w q = 100 watts for 10 minutes converted to joules. work is pdV. p is 1 atm and dV is 14L so work is 14 L*atm. Convert that to joules by 14 L*atm x 101.325 = ?J. Since this is work done by the system make it a negative number so it becomes dE = q + (-)1*14*101.325 = xJ.
Friday, October 25, 2013 at 11:33pm

Science
How is Earth like a system?
Friday, October 25, 2013 at 6:10pm

Math
Use elimination to solve the system of equations. -x + 2y = 18 x + 8y = -38
Friday, October 25, 2013 at 11:48am

Mathhh
Use substitution to solve the system of equations given below. 8x - 4y = 16 2x - y = 4
Friday, October 25, 2013 at 11:32am

Math
Solve the system of equations. 2x - 4y = 3 -3x + 5y = 1
Friday, October 25, 2013 at 11:31am

Physics
A 0.490-kg block is attached to a horizontal spring that is at its equilibrium length, and whose force constant is 25.0N/m . The block rests on a frictionless surface. A 6.00×10−2-kg wad of putty is thrown horizontally at the block, hitting it with a speed of 2.10m...
Friday, October 25, 2013 at 2:29am

Physics
a) Family Smith has already installed PV in their house. Now, they also want to cover their needs for warm water with solar energy. For this, they consider having a solar thermal water heating system. Considering that the need for warm water is 100L/day, the water has to be ...
Thursday, October 24, 2013 at 5:13pm

College Anatomy
Within the nervous system, the (a) are to the ganglia as a tract is to a (b).
Thursday, October 24, 2013 at 3:35pm

Computer Programming using python
You'll notice that in Problem 2, your monthly payment had to be a multiple of $10. Why did we make it that way? You can try running your code locally so that the payment can be any dollar and cent amount (in other words, the monthly payment is a multiple of $0.01). Does ...
Thursday, October 24, 2013 at 10:29am

English
Hello, I am french and I have some english homework for tomorrow, Can you correct my English please ? Thank ou During the Victorian era, the middle class growth quickly. Moreover, the social divide was very important ( To illustrate this gap, the underworld was characterized ...
Thursday, October 24, 2013 at 5:29am

World History
City-States Essay Assignment In what ways were the Indus Valley people an advanced civilization? In what ways did their civilization compare to an advanced modern civilization today? The Indus people were always a step ahead in a lot of their achievements. They were very ...
Wednesday, October 23, 2013 at 2:22pm

history
Which of the following was true of the Judiciary Act of 1801? A. It packed the Supreme Court with Democratic Republicans. B. It was opposed by the Federalists. C. It expanded the federal court system. D. It reduced the power of the federal courts. I put a but its not right .-.
Wednesday, October 23, 2013 at 12:52pm

Physics Classical Mechanics
@ss01 hey man could you plz answer this double star system ones answer..plzz!
Wednesday, October 23, 2013 at 11:56am

Physics Classical Mechanics
Double star system answer - 9.859*10^17 seconds; keep on getting bungee jump wrong; I might be using the wrong equation. setting the equations to: 1/2*k*x^2=m*g*h; k = 2*m*g*h/x^2
Wednesday, October 23, 2013 at 10:55am

science
Consider a double star system under the influence of the gravitational force between the stars. Star 1 has mass m1 = 1.72 × 1031 kg and Star 2 has mass m2 = 1.60 × 1031 kg. Assume that each star undergoes uniform circular motion about the center of mass of the ...
Wednesday, October 23, 2013 at 10:44am

Physics Classical Mechanics
i got this one anyone got the moon and double star system????
Wednesday, October 23, 2013 at 9:07am

Physics
Consider a double star system under the influence of the gravitational force between the stars. Star 1 has mass m1 = 2.42 × 1031 kg and Star 2 has mass m2 = 2.32 × 1031 kg. Assume that each star undergoes uniform circular motion about the center of mass of the ...
Wednesday, October 23, 2013 at 9:06am

Physics
A particle of mass m moves in a x-y plane. the coordinates of the particle at any instant are given by x=acos(wt) y = bsin(wt). where a,b,w, are constants. determine angular momentum ofthe particle with respect to the origin of the coordinate system.
Wednesday, October 23, 2013 at 2:28am

MathJ.C.
Solve the system using matrices 4x+2y=2 5x+8y=30
Tuesday, October 22, 2013 at 8:53pm

World History
Taoism: advocating a simple honest life and noninterference with the course of natural events.it is philosophical system developed by Lao-tzu and Chuang-tzu as-well
Tuesday, October 22, 2013 at 6:28pm

Chemistry
An 80.0 g sample of a gas was heated from 25 degree C to 225 degree C. During this process, 346 J of work was done by the system and its internal energy increased by 7495 J. What is the specific heat of the gas? J/(g∗C)
Tuesday, October 22, 2013 at 6:16pm

science
Consider a double star system under the influence of the gravitational force between the stars. Star 1 has mass m1 = 1.72 × 1031 kg and Star 2 has mass m2 = 1.60 × 1031 kg. Assume that each star undergoes uniform circular motion about the center of mass of the ...
Tuesday, October 22, 2013 at 11:03am

Finance
The U.S. financial system is composed of: (1) policy makers, (2) a monetary system, (3) financial institutions, and (4) financial markets. Indicate which of these components is associated with each of the following roles
Monday, October 21, 2013 at 7:40pm

Computer hardware
What circumstance would be the only reason for one to toil with processor and system bus frequencies? A. Purchasing a multi core processor B. Purchasing a chip with static ram C. Overclocking a processor D. Purchasing an AMD chipset I think it's c, but I am not sure
Monday, October 21, 2013 at 7:33pm

Physics
A ball whirls around in a vertical circle at the end of a string. The other end of the string is fixed at the center of the circle. Assume that the total energy of the ball-Earth system remains constant. (a) What is the tension in the string at the bottom? (Use the following ...
Monday, October 21, 2013 at 6:01pm

Physics Classical Mechanics
Consider a double star system under the influence of the gravitational force between the stars. Star 1 has mass m1 = 2.32 × 10^31 kg and Star 2 has mass m2 = 1.76 × 10^31 kg. Assume that each star undergoes uniform circular motion about the center of mass of the ...
Monday, October 21, 2013 at 10:07am

physics
a particle of mass m moves in a x-y plane. The coordinates of the particle at any instant are given by x = acos(wt) and y = bsin(wt). where a,b,w, are constant. Determine the angular momentum of the particle with respect to the origin of the coordinate system.
Monday, October 21, 2013 at 5:45am

Stats
A car rental agency currently has 43 cars available, 27 of which have a GPS navigation system. Two cars are selected at random from these 43 cars. Find the probability that both of these cars have GPS navigation systems. Round to four decimal places.
Monday, October 21, 2013 at 12:19am

math 9
Identify the solution(s) of the system of equations, if any. 3x-2y=6 5x=5-25y A) (28/13, 3/13) B) (-3/17, 32/17) C) (32/17, -3/17) D) (32/9, 7/3) I think the answer is D but i did my check and still comes out incorrect
Sunday, October 20, 2013 at 10:22pm

College Physics
A 27.7-cm-by-27.7-cm checkerboard has a mass of 103.1 g. There are four 27.7-g checkers located on the checkerboard, as shown in the figure. Relative to the origin located at the bottom left corner of the checkerboard, where is the center of mass of the checkerboard-checkers ...
Sunday, October 20, 2013 at 9:51pm

math 8
Identify the solution(s) of the system of equations, if any. 5x + 2y = 2 4x - 2y = 8 A) (9/10, -5/4 ) B) (–6, 16) C) (10/9, -16/9 ) D) (10, –24)
Sunday, October 20, 2013 at 9:41pm

math 5
Identify the solution(s) of the system of equations, if any. 3x+2y=4 5x-4y=3 A) (1, 0.5) B) (0.5,1) C) (5, 5.5) D) 5/11, -2/11)
Sunday, October 20, 2013 at 9:39pm

Math 6
Identify the solution(s) of the system of equations, if any. -3x-4y=2 8y=-6x-4 A) infinitely many solutions B) (-16/9, 5/6) C) (-2/3, 0) D) no solution
Sunday, October 20, 2013 at 9:36pm

math 4
Identify the solution(s) of the system of equations, if any. 6x + 2y = 0 y = 1 - 5x A) (–1.5, –0.5) B) (–1.5, 0.5) C) (–0.5, –1.5) D) (0.5, –1.5)
Sunday, October 20, 2013 at 9:33pm

Math 3
Identify the solution(s) of the system of equations, if any. x + 2y = 6 3x - 6y = 0 A) (3, 2/3) B) (3,3/2 ) C) (2/3, 3) D) (3/2, 3)
Sunday, October 20, 2013 at 9:32pm

Math 1
Consider the following system of equations. y = 4x - 4 y - 4x = 3 What can you conclude about the system of equations? A) The system of equations is inconsistent. B) The system of equations is dependent. C) The system of equations is independent. D) none of these
Sunday, October 20, 2013 at 9:31pm

math
Identify the solution(s) of the system of equations, if any. -4x - 4y = 4 4y = -4x - 4 A) no solution B) (0, -1) C) (-1, 0) D) infinitely many solutions
Sunday, October 20, 2013 at 9:26pm

math
Identify the solution(s) of the system of equations, if any. -4x - 4y = 4 4y = -4x - 4 A) no solution B) (0, -1) C) (-1, 0) D) infinitely many solutions
Sunday, October 20, 2013 at 9:25pm

chem thermo
consider a system consisting of 2.0mol co2(g) initially at 25c and 10atm and confined to a cylinder of cross section 10.0cm2. it is allowed to expand adiabatically against an external pressure of 1.0atm until the piston has moved outwards through a 20cm. assume that co2 is a ...
Sunday, October 20, 2013 at 12:26pm

science
Now assume that we are working in units such that ℏ=1. If the state of the system at time t=0 is ψ(0)=|0⟩, what is the state of the system at time t=π2? What about at t=π? t=π2:
Sunday, October 20, 2013 at 11:06am

Quantum Physics
I discourage cheating, I haven't even given the final exam, I'm just auditing the course. (just to learn) I'm just proving that your ideology and methodology is wrong. You could really mess up the EdX system if you decided to do it your way. You can't see what ...
Saturday, October 19, 2013 at 4:39pm

statistics
Community Health center, a new patient clinic in your town serving only underinsured and uninsured patients, has asked you to help its health information management department get started. calculate the number of new shelving units needed for a medical record filing system ...
Saturday, October 19, 2013 at 3:41pm

Water - Math Question
This question is related to water footprint calculation. I have no idea how to go about this, if anyone could point me in the right direction, I'd be forever grateful! Background info: The water footprint of the resident of a Blue Sea riparian country (92 million residents...
Saturday, October 19, 2013 at 3:10pm

physics
A cardiologist uses an ultrasound scanner with an operating frequency of 3.5 MHz that can detect Doppler frequency shifts as small as 0.1 kHz. What is the smallest flow velocity detectable with this device? Two frequencies are given so I know I have to convert the units but ...
Saturday, October 19, 2013 at 9:31am

chem
A 30.5 g sample of an alloy at 92.4°C is placed into 52.9 g water at 24.1°C in an insulated coffee cup. The heat capacity of the coffee cup (without the water) is 9.2 J/K. If the final temperature of the system is 31.1°C, what is the specific heat capacity of the ...
Friday, October 18, 2013 at 11:03pm

biology 2 (?)
What system did you pick?
Friday, October 18, 2013 at 8:04pm

U.S. History
Keep track of which website you get each piece of information from. You can create a kind of coding system, making sure you number the websites you use for each person you're researching. Here's an idea: #1 = http://www.biography.com/people/john-d-r​ockefeller-...
Friday, October 18, 2013 at 3:43pm

math
You and your friend are saving for college. You have $50 and are added $10 each week to your savings. Your friend has $20 and he is adding $20 each week to his savings. a. what system of equations would be a good model for this situation? Let x be number of weeks and y be the ...
Friday, October 18, 2013 at 1:14pm

Telecommunications
1. System A consists of a single ring with 100 stations, one per repeater. System B consists of four 25 stations rings linked by a bridge. If the probability of a link failure is , a repeater failure is , and a bridge failure is , derive an expression for parts (a) to (d). a) ...
Friday, October 18, 2013 at 10:51am

chem
A 30.5 g sample of an alloy at 90.7�C is placed into 48.8 g water at 22.3�C in an insulated coffee cup. The heat capacity of the coffee cup (without the water) is 9.2 J/K. If the final temperature of the system is 31.1�C, what is the specific heat capacity...
Thursday, October 17, 2013 at 11:55am

math
the system of linear equations below has a unique solution for all but one value of a : 5 x - 5 y = 25 48 x + a y = 240 What is this exceptional value for a ?
Thursday, October 17, 2013 at 11:12am

Science
What part of the circulatory system moves the blood through your body?
Wednesday, October 16, 2013 at 7:17pm

Accounting
The following unadjusted trial balance is prepared at fiscal year-end for Nelson Company. NELSON COMPANY Unadjusted Trial Balance January 31, 2013 Debit Credit Cash $ 26,150 Merchandise inventory 14,500 Store supplies 5,000 Prepaid insurance 2,100 Store equipment 42,800 ...
Wednesday, October 16, 2013 at 5:51pm

algebra 2
Solve system of equations.Describe each step if your solution. W+X+Y+Z=2 2W-X+2y-Z=1 -W+2x-y+2z=-2 3w+x+y-Z=5 Please help I only know how to do this with 3 equations.
Wednesday, October 16, 2013 at 4:15pm

Business(please help quick!)
Please don't provide any links. We are doing a project where we pick a sports team and we must calculate the revenue and salaries of the players. Then we are asked to explain how a sports team can possibly lose money. Now, I have all of that but I am stuck on this last ...
Wednesday, October 16, 2013 at 12:20am

Chemistry
If we ignore the small fraction of U-234, natural uranium has a concentration of 99.28 atom% of U-238 and 0.72% U-235. Their half-lives are, respectively, 4.68*109 and 7.038*108 years. (a) In the future, will the U-238 percentage be higher or lower? (b) In Oklo, Gabon, Africa...
Tuesday, October 15, 2013 at 9:02pm

Algebra 2
Solve the system. Then classify the system as consistent and independent, consistent and dependent, or inconsistent. 24.) 4x+5y=3 6x+9y=9 26.) 1/2x -3y=10 1/4x +2y=-2
Tuesday, October 15, 2013 at 6:01pm

Algebra 2
Graph the linear system and estimate the solution. Then check the solution algebraically. 7x+y=-17 3x-10y=24 I have to have 4 labeled points and I'm not getting the fraction thing. Any help would be great!
Tuesday, October 15, 2013 at 5:58pm

Physics
Consider an ideal spring that has an unstretched length l0 = 3.3 m. Assume the spring has a constant k = 23 N/m. Suppose the spring is attached to a mass m = 6 kg that lies on a horizontal frictionless surface. The spring-mass system is compressed a distance of x0 = 1.6 m from...
Tuesday, October 15, 2013 at 1:40pm

maths
Write the system as a matrix equation and solve using inverses. x1 + 2x2 - x3 = -3 -2x1 - x2 + 3x3 = 0 -4x1 + 4x2 - x3 = -12 A. x1 = 2, x2 = -3, x3 = 1 B. x1 = 1, x2 = -2, x3 = 1 C. x1 = 1, x2 = -2, x3 = 0 D. x1 = 1, x2 = -3, x3 = 1
Tuesday, October 15, 2013 at 11:54am

maths
Solve the system. 3x2 - 2y2 = -5 x2 + y2 = 25 A. (3, 4), (3, -4), (-3, 4), (-3, -4) B. (4, 4), (5, 4), (3, -4), (1, –4) C. (-3, 4), (1, 4), (-3, -4), (2, -4) D. (1, 4), (2, –4), (–4, 3), (–3, –3) Find the coordinates of the corner points using the ...
Tuesday, October 15, 2013 at 11:25am

Computer Architecture
A Silicon Valley company is looking to increase the performance of its workstations. Analysis of the applications that its customers are using has shown that the average response time breaks down into three main categories: CPU time, memory system time, and host/client ...
Tuesday, October 15, 2013 at 10:30am

Chm 2
The way you do these is to convert those Ka values to pKa = -log Ka. Then the best acid/conjugate base is the acid with a pKa = +/- 1 of the pH you want for the buffer. For example, pKa for acetic acid is 4.74 and that would be the best acid (conjugate base is acetate ion) to ...
Tuesday, October 15, 2013 at 12:39am

Chm 2
The question asks, Consider the following weak acids and their Ka values Acetic acid Ka = 1.8x10^-5 Phosphoric acid Ka = 7.5x10^-3 Hypochlorous acid Ka = 3.5x10^-8 What weak acid-conjugate base buffer system from the acids listed is the best chouce to prepare the following ...
Tuesday, October 15, 2013 at 12:29am

Quantum Physics
7A: momentum values 2, 3, 4 State for 3 is (0 1 0) Got the seemingly correct states for 2 (1 0 -i) and for 4 (1 0 i), but the system does not accept them.
Monday, October 14, 2013 at 10:18pm

Quantum Physics
7A: momentum values 2, 3, 4 State for 3 is (0 1 0) Got the seemingly correct values for 2 (1 0 -i) and for 4 (1 0 i), but the system does not accept them.
Monday, October 14, 2013 at 10:17pm

Geography (Ms. Sue)
" Many factors appear to be operating simultaneously, including economic and social instability, high rates of tobacco and alcohol consumption, poor nutrition, depression, and deterioration of the health care system. Problems in data quality and reporting appear unable to...
Monday, October 14, 2013 at 4:55pm

PHYSICS(PLS HELP)
At low speeds (especially in liquids rather than gases), the drag force is proportional to the speed rather than it's square, i.e., F⃗ = −C1rv⃗ , where C1 is a constant. At time t = 0, a small ball of mass m is projected into a liquid so that it initially...
Monday, October 14, 2013 at 3:17pm

PHYSICS(HELP)
At low speeds (especially in liquids rather than gases), the drag force is proportional to the speed rather than it's square, i.e., F⃗ = −C1rv⃗ , where C1 is a constant. At time t = 0, a small ball of mass m is projected into a liquid so that it initially...
Monday, October 14, 2013 at 2:49pm

physics
At low speeds (especially in liquids rather than gases), the drag force is proportional to the speed rather than it's square, i.e., F⃗ = −C1rv⃗ , where C1 is a constant. At time t = 0, a small ball of mass m is projected into a liquid so that it initially...
Monday, October 14, 2013 at 1:55pm

physics
At low speeds (especially in liquids rather than gases), the drag force is proportional to the speed rather than it's square, i.e., F⃗ = −C1rv⃗ , where C1 is a constant. At time t = 0, a small ball of mass m is projected into a liquid so that it initially...
Monday, October 14, 2013 at 1:12pm

physics
At low speeds (especially in liquids rather than gases), the drag force is proportional to the speed rather than it's square, i.e., F⃗ = −C1rv⃗ , where C1 is a constant. At time t = 0, a small ball of mass m is projected into a liquid so that it initially...
Monday, October 14, 2013 at 12:46pm

physics
At low speeds (especially in liquids rather than gases), the drag force is proportional to the speed rather than it's square, i.e., F⃗ = −C1rv⃗ , where C1 is a constant. At time t = 0, a small ball of mass m is projected into a liquid so that it initially...
Monday, October 14, 2013 at 12:46pm

physics
At low speeds (especially in liquids rather than gases), the drag force is proportional to the speed rather than it's square, i.e., F⃗ = −C1rv⃗ , where C1 is a constant. At time t = 0, a small ball of mass m is projected into a liquid so that it initially...
Monday, October 14, 2013 at 11:48am

Physisc(help)
At low speeds (especially in liquids rather than gases), the drag force is proportional to the speed rather than it's square, i.e., F⃗ = −C1rv⃗ , where C1 is a constant. At time t = 0, a small ball of mass m is projected into a liquid so that it initially...
Monday, October 14, 2013 at 10:21am

biology 2
The digestive, circulatory, respiratory, immune, and excretory systems all work together to maintain homeostasis. Discuss how a minor malfunction in one of these systems could lead to major malfunctions in others. If methods were developed to improve the efficiency and ...
Monday, October 14, 2013 at 8:42am

physics
At low speeds (especially in liquids rather than gases), the drag force is proportional to the speed rather than it's square, i.e., F⃗ = −C1rv⃗ , where C1 is a constant. At time t = 0, a small ball of mass m is projected into a liquid so that it initially...
Monday, October 14, 2013 at 4:03am

Science
The system of three pulleys is in equilibrium, the pulleys have masses of 9kg ,5kg,8kg respectively. The pulleys are frictionless & massless.find the force T ?
Monday, October 14, 2013 at 2:44am

Science
Three masses sitting on three pulleys,the masses are 5kg,9kg,8kg.the system is in equilibrium,the pulleys are frictionless & massless
Monday, October 14, 2013 at 2:28am

Physics pls anyone can help me? its urgent
At low speeds (especially in liquids rather than gases), the drag force is proportional to the speed rather than it's square, i.e., F = -c_1*r*v , where c_1 is a constant. At time t = 0, a small ball of mass is projected into a liquid so that it initially has a horizontal ...
Sunday, October 13, 2013 at 8:37pm

Physics Urgent please help
At low speeds (especially in liquids rather than gases), the drag force is proportional to the speed rather than it's square, i.e., F = -c_1*r*v , where c_1 is a constant. At time t = 0, a small ball of mass is projected into a liquid so that it initially has a horizontal ...
Sunday, October 13, 2013 at 5:28pm

algebra
identify the solutions of the system of equations x=1 and y=1
Sunday, October 13, 2013 at 12:03pm

physics
Consider the Hamiltonian H=Z⊗3 acting on 3 qubits. What is the ground energy of the system? (I.e. the lowest eigenvalue of H?) What is the dimension of the ground energy subspace? (I.e. multiplicity of that eigenvalue?)
Sunday, October 13, 2013 at 11:51am

Psychology/ Ms Sue
Are my answers correct Ms Sue? 1. One of the characteristic features of school-age children is that they are more likely than younger children to try to conform to peer standards in such matters as clothing and language? True 2. School age children have a more elaborate ...
Saturday, October 12, 2013 at 4:41pm

Physics Urgent please help
Consider an ideal spring that has an unstretched length l_0 = 3.5 m. Assume the spring has a constant k = 36 N/m. Suppose the spring is attached to a mass m = 8 kg that lies on a horizontal frictionless surface. The spring-mass system is compressed a distance of x_0 = 1.9 m ...
Saturday, October 12, 2013 at 4:11am

Geography (Ms. Sue)
5). How has Russia moved toward a capitalist system? A: Russia has moved toward a capitalist system as it ended the tight control that the central government held over economic activity. For example, Russia remove the price controls that had been set by the Soviet government ...
Friday, October 11, 2013 at 9:56pm

Geography (Ms. Sue)
1). Some Russians have objected to the creation of new federal districts. Why might there be disagreement over the districts? A: There might be disagreement over the districts because the President of Russia hopes that the heads of the new federal districts will force regional...
Friday, October 11, 2013 at 9:39pm

AP Chemistry
w = -pdV Work done by the system is - pdV is 0.01*(9.6-6.6)
Friday, October 11, 2013 at 7:26pm

AP Chemistry
How much work is done by the system when 2.00 moles of O2 expand from a volume of 3.00 liters to a volume of 9.6 liters against a constant external pressure of 0.0100 atm answer in units of joules
Friday, October 11, 2013 at 6:23pm

Physics
ω₀=sqrt(k/m) = sqrt(20/6) =1.83 rad/s T=2π/ ω =2π/1.83 =3.43 s. (1) x=Acos (ω₀t +α) At t=0 -x₀=x v₀=v(x) v(x)= dx/dt = - ω₀Asin(ω₀t +α) … (1) If t=0 -x₀=Acos (ω₀t +α) =...
Friday, October 11, 2013 at 2:32pm

physics
ω₀=sqrt(k/m) = sqrt(20/6) =1.83 rad/s T=2π/ ω =2π/1.83 =3.43 s. (1) x=Acos (ω₀t +α) At t=0 -x₀=x v₀=v(x) v(x)= dx/dt = - ω₀Asin(ω₀t +α) … (1) If t=0 -x₀=Acos (ω₀t +α) =...
Friday, October 11, 2013 at 2:32pm

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