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December 22, 2014

Homework Help: Computers: Operating Systems

Recent Homework Questions About Operating Systems

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chem 211
If 100.0mL water of at 50.0C is added to 100.0 mL of water at 20.0C. What temperature would the mixture of water reach? Assume the system is perfectly sealed and no heat is lost to the calorimeter or to the outside environment. 2)
Tuesday, November 5, 2013 at 3:33pm

algerbra 2
1. Marissa is a photographer. She sells framed photographs for $100 each and greeting cards for $5 each. The materials for each framed photograph cost $30, and the materials for each greeting card cost $2. Marissa can sell up to 8 framed photographs and 40 greeting cards each ...
Tuesday, November 5, 2013 at 3:26pm

Criminal Justice
Create a series of two advertisements "selling" different sentencing options to the many and varied stakeholders in Oklahoma's Criminal Justice system. What are some examples I can go off of?
Tuesday, November 5, 2013 at 2:32pm

Health (Ms. Sue)
1. Describe what happens during NREM and REM sleep. A: In the beginning of a sleep cycle, we enter NREM sleep. The body recovers from the stress of the day's activities during this part of the sleep. Then, about 1.5 hours into sleep, we enter REM sleep, or dream sleep. Our...
Monday, November 4, 2013 at 9:53pm

Psych T/F Questions
1. Some hearing losses experienced by middle-aged adults are due to exposure to noise? True 2. A combination of progesterone and estrogen (HRT) is commonly used to treat immune system disorders? False 3. Men experience the same sudden downward shift in reproductive ability as ...
Monday, November 4, 2013 at 7:07pm

physics
How is dust in operating theatres controlled?
Monday, November 4, 2013 at 2:08am

Healthcare Statistics
In deciding whether to purchase or lease a new dictation system, the HIM supervisor calculates the payback period. The hospital's required payback period is three years. If the equipment costs $ 28,000 and generates $3,500 per year in savings, what would be the payback ...
Sunday, November 3, 2013 at 8:56pm

Healthcare Statistic
In deciding whether to purchase or lease a new dictation system, the HIM supervisor calculates the payback period. The hospital's required payback period is three years. If the equipment costs $ 28,000 and generates $3,500 per year in savings, what would be the payback ...
Sunday, November 3, 2013 at 6:56pm

Healthcare Statistic
Community Health Center, a new patient clinic in your town serving only underinsured and uninsured patients, has asked you to help its HIM department get started. Calculate the number of new shelving units needed for a medical record filing system based on 8 shelves per unit ...
Sunday, November 3, 2013 at 6:12pm

electronics
when an ac signal is applied to a common emitter amplifier, the input moves the operating point along the dc load line.
Sunday, November 3, 2013 at 8:07am

Biochem
The Na –glucose symport system of intestinal epithelial cells couples the \"downhill\" transport of two Na ions into the cell to the \"uphill\" transport of glucose, pumping glucose into the cell against its concentration gradient. If the Na ...
Saturday, November 2, 2013 at 9:57pm

health
What indicators would warn you that the team that is planning this transition to an electronic health information management system is not functioning well
Saturday, November 2, 2013 at 5:02pm

Medical Billing & Coding
The ICD-PCS system uses a tool coders have never used before. What is it? a. Incisional biopsy b. excisional biopsy
Thursday, October 31, 2013 at 11:10pm

Science
1. Why do scientists use models of natural systems? (1 point) Scientists use models of natural systems because these systems are often too large, too small, or too complex to study directly. Scientists use models of natural systems because they like to use art in science. ...
Thursday, October 31, 2013 at 11:17am

science
1. Why do scientists use models of natural systems? (1 point) Scientists use models of natural systems because these systems are often too large, too small, or too complex to study directly. Scientists use models of natural systems because they like to use art in science. ...
Wednesday, October 30, 2013 at 7:18pm

intro to computers
what overriding philosophy of the windows 8operating system makes it unique compared to earlier Microsoft operating systems? a.it is a universal operating system for all types of devices? b.it can host both 32-and 64- bit applications c.up to 192 users can have a separate ...
Wednesday, October 30, 2013 at 5:45pm

intro to computers
which of the selections below is not a benefit of imaging the computers on your network. a. it saves time of having to install the required computer applications. b.it saves the time of having to install the desired operating system c.there are fewer licensing fees because the...
Wednesday, October 30, 2013 at 5:39pm

intro to computers
which of the statements below is false? a.you can install a 64-bit operating system on a 64- bit machine. b. you can install a 64-bit operating system on a 32-bit machine. c.you can install a 32-bit operating system on a 64-bit machine. d.you can install a 32-bit operating ...
Wednesday, October 30, 2013 at 5:34pm

Science
1. Why do scientists use models of natural systems? (1 point) Scientists use models of natural systems because these systems are often too large, too small, or too complex to study directly. Scientists use models of natural systems because they like to use art in science. ...
Wednesday, October 30, 2013 at 5:30pm

Physics Classical Mechanics
The mean distance from the center of the earth to the center of the moon is rem = 3.84 × 108 m. The mass of the earth is me = 5.98 × 1024 kg and the mass of the moon is mm = 7.34 × 1022 kg. The mean radius of the earth is re = 6.37 × 106 m. The mean ...
Monday, October 28, 2013 at 6:10am

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 ...
Monday, October 28, 2013 at 5:56am

Physics
A 0.52kg mass at the end of a spring vibrates 4.0 times per second with an amplitude of 0.15m . a. Determine the velocity when it passes the equilibrium point. b.Determine the velocity when it is 0.12m from equilibrium c.Determine the total energy of the system.
Sunday, October 27, 2013 at 1:58pm

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

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

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

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
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

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

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

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

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 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

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)
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
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

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