Tuesday
July 22, 2014

# Homework Help: Computers: Operating Systems

Recent Homework Questions About Operating Systems

technology
a small piston in a hydraulic system has a force of 10 n and moves a distance of 100mm.calculate the force reqiured to move the large piston if it moves 20mm
Wednesday, May 28, 2014 at 3:39am

English III
Franklin Roosevelt's "State of the Union Address, 1941," excerpt ( ) For there is nothing mysterious about the foundations of a healthy and strong democracy. The basic things expected by our people of their political and economic systems are simple. They are: ...
Tuesday, May 27, 2014 at 6:52pm

physics
What work is done by a friction force acting on an object? Select one: a. Always negative b. Always positive c. May be positive or negative depending on the choice of coordinate system d. Always zero
Monday, May 26, 2014 at 1:47pm

college physics
What work is done by a friction force acting on an object? Select one: a. Always negative b. Always positive c. May be positive or negative depending on the choice of coordinate system d. Always zero
Monday, May 26, 2014 at 1:03am

Physics
A 50kg mass and a 85kg mass are hung over a frictionless pulley what is the acceleration of the system
Monday, May 26, 2014 at 12:17am

Hi, could someone help me please with the following questions? Thanks 1. Carmen Santiago works for a number of businesses as a “consultant.” She has helped design accounting systems, provided accounting services, and analyzed the financial strength of her clients&#...
Sunday, May 25, 2014 at 7:29pm

physics
You are in the supermarket, pushing a cart with a force of 79 Newtons in the horizontal direction. There is a constant force of kinetic friction operating on the cart of 14.2 Newtons. Calculate the net work done on the cart, if the cart is displaced 1.2 metres in a straight line.
Sunday, May 25, 2014 at 6:36pm

algebra1a
Identify the solution(s) of the system of equations, if any. -2x - 6y = 4 24y = -8x - 16
Saturday, May 24, 2014 at 7:59pm

economics
A New Hampshire resort offers year-round activities: in winter, skiing and other cold-weather activities; and in summer, golf, tennis, and hiking. The resort’s operating costs are essentially the same in winter and summer. Management charges higher nightly rates in the ...
Saturday, May 24, 2014 at 11:02am

Math
What are the solutions of the system? y = x2 + 3x – 4 y = 2x + 2 Don't understand
Friday, May 23, 2014 at 9:23pm

math
1. Gina wrote this system of linear equations: 2x + y = 7 4x + 5y = 11 Which of the following shows the first four steps that Gina could have used to correctly solve this system for x? a) y = 7 – 2x 4x + 5(7 – 2x) = 11 4x + 25 – 10x = 11 25 – 6x = 11 b) y...
Friday, May 23, 2014 at 2:07pm

Statistics
A hotel chain is interested in evaluating processes. Guests can reserve a room by using either a telephone system or an online system that is accessed through the hotel's web site. Independent random samples of 80 guests who reserved a room by phone and 60 guests who ...
Friday, May 23, 2014 at 1:01am

science
which of the following allows a plant's vascular system to work as a transport system? A. a plant's vascular system is made up of specialized cells that move around the plants as it grows. B. a plant's vascular system is made up of specialized cells that are ...
Thursday, May 22, 2014 at 12:40pm

Biology
14. The layer of skin that contains nerves and blood vessels is the _________ 15. ________ digestion occurs in the small intestine through the action of enzymes. 16. Urea, excess water, and other waste materials are eliminated in a water fluid called ______________. 17. ...
Thursday, May 22, 2014 at 12:06pm

Help me? Thanks~
14. The layer of skin that contains nerves and blood vessels is the _________ 15. ________ digestion occurs in the small intestine through the action of enzymes. 16. Urea, excess water, and other waste materials are eliminated in a water fluid called ______________. 17. ...
Thursday, May 22, 2014 at 11:26am

Science--worked hard, check my answers sum1?
1. What do bone marrow and the epidermis have in common? They are both sites of new cell formation. They both contain structures that assist the body in cooling down if overheating occurs. They both contain or are associated with sensory neurons. They are both involved in ...
Thursday, May 22, 2014 at 5:20am

1. Which of the following effects would you expect if red blood cells were shaped like neurons? They would not be able to move as easily through capillaries. **** They would more easily carry out gas exchange in the alveoli. They would not need to be transported through the ...
Thursday, May 22, 2014 at 1:06am

biology
Human immunodeficiency virus (HIV), the virus that causes AIDS, is unique because its main genetic instructions are in the form of RNA instead of DNA. Because of this, it’s called a(n) (A) __________. When a person is infected with HIV, the immune system mounts a normal ...
Thursday, May 22, 2014 at 12:20am

1. Which of the following effects would you expect if red blood cells were shaped like neurons? They would not be able to move as easily through capillaries. **** They would more easily carry out gas exchange in the alveoli. They would not need to be transported through the ...
Wednesday, May 21, 2014 at 10:50pm

1. Name the components of the respiratory system in the order incoming air would encounter them during breathing. A. trachea, pharynx, larynx, alveoli, bronchi B. bronchi, larynx, alveoli, trachea, pharynx C. larynx, trachea, bronchi, pharynx, alveoli D. pharynx, larynx, ...
Wednesday, May 21, 2014 at 3:37pm

Which of the following best summarizes the function of the respiratory system? A. to transport oxygen to cells and wastes away from cells. B. to protect the organs in the chest cavity C. to move oxygen from the air into the body and carbon dioxide from the body into the air D...
Wednesday, May 21, 2014 at 3:16pm

Science
1. Name the components of the respiratory system in the order incoming air would encounter them during breathing. A. trachea, pharynx, larynx, alveoli, bronchi B. bronchi, larynx, alveoli, trachea, pharynx C. larynx, trachea, bronchi, pharynx, alveoli D. pharynx, larynx, ...
Wednesday, May 21, 2014 at 3:13pm

Math help plz
The human endocrine system is made up of which of the following structures? (1 point) vessels receptors glands chambers 2. Which of the following best describes the function of the endocrine system? (1 point) It secretes chemical messengers that travel through the blood to ...
Tuesday, May 20, 2014 at 3:25pm

algebra
Gina wrote this system of linear equations: 2x + y = 7 4x + 5y = 11 Which of the following shows the first four steps that Gina could have used to correctly solve this system for x? a.) y = 7 – 2x 4x + 5(7 – 2x) = 11 4x + 25 – 10x = 11 25 – 6x = 11 b.) y = ...
Tuesday, May 20, 2014 at 11:52am

English
What's a good introduction on this topic? Should the Canadian health-care system be privatized?
Monday, May 19, 2014 at 9:09pm

Social Studies
1. In a typical rural village in Mexico, you might expect to find that most people living on farms get their food by a. growing their own. b. buying what they need at large supermarkets. c. buying what they need at small supermarkets. d. gathering nuts and wild berries. 2. ...
Monday, May 19, 2014 at 2:53pm

Science
the ventricle in a single-loop circulatory system is responsible for A. receiving blood from the body. B. pumping blood out to the gills. C. pumping blood out to the body. D. receiving blood from the gills. I think it is A or C. Thank You.
Monday, May 19, 2014 at 12:32pm

components of sense and smell Olfactory receptors in the nose travel directly to the olfactory (A)__________ before arriving at the olfactory cortex in the frontal area of the brain. This part of the brain has a direct link with the amygdala, which is involved with emotion and...
Sunday, May 18, 2014 at 3:37pm

Evaluate the integral. integral 1/((x-2)(x+2)) Note: Use an upper-case "C" for the constant of integration. I keep getting 1/4[log(2-x)-log(x+2)]+C and the system is saying its wrong... Please help!
Friday, May 16, 2014 at 10:30pm

Biology
Proteins are manufactured through the "blueprints" found on DNA. After they are translated, they are moved through a system of internal membranes before being distributed throughout the rest of the cell. At some point in the process, they are modified to their ...
Friday, May 16, 2014 at 9:39pm

The flywheel has a radius of 600mm.a mass of 144kg.and a radius of gyration of 450mm. An 18kg block A is attached to a wire that wrapped around the flywheel.and the system is released from rest.neglecting the effect of friction. Determine the acceleration of block A and ...
Friday, May 16, 2014 at 5:55am

History
1. How did new England's textile industry affect both children and women? a) It allowed them to earn a living wage until the age of 25. ***** b) It gave them opportunities not available on family farms. c) It permitted them to complete their schooling. d) It provided long-...
Thursday, May 15, 2014 at 10:50am

History
I got the question "In what ways did Canada become a welfare state between 1931 and 1982? How did this affect the way Canadians saw themselves? In what ways do you think the economic and social inequalities continued?" and I wanted someone to check over my answer, to...
Thursday, May 15, 2014 at 2:28am

SCI 275
Resource: Chapter 18 Select one case study or an example, from Chapter 18 that describes the impacts of a toxic substance on human health. Answer the following questions based on the risk assessment principles presented in Ch. 18, and in Figure 18-10 in section 18.7 Risk and ...
Thursday, May 15, 2014 at 1:25am

You have just been appointed as the new court administrator for a medium-sized court system with approximately 75 employees and 5 full-time courts. This is a new position for the courts. In the past, each individual court has primarily managed itself, except for the employee ...
Wednesday, May 14, 2014 at 6:30pm

math
for the month of january, an engine parts supplier company had the following financial information: merchandise inventory, january 1, $322,000, merchandise inventory january 31$316,400, grooss purchases, $243,460, purchase returns and allowances$26,880 and frieght in $3,430 ... Wednesday, May 14, 2014 at 4:51pm Differential Equations Consider the spring - mass system, shown in Figure 4.2.4. consisting of two unit masses suspended from springs with spring constants 3 and 2, respectively. Assume that there is no damping in the system. Show that the displacements u1, and u2 of the masses from their respective... Tuesday, May 13, 2014 at 12:58pm Plz, Ms.Sue/anyone check my answers? 1. Which of the following best explains why it is necessary for the body to eliminate waste? to allow the body to maintain a certain size to keep the body’s internal environment in balance to make room for nutrients coming in *** to reduce unpleasant odors 2. What happens... Tuesday, May 13, 2014 at 11:44am Astronomy Put the following in order from earliest to latest. In doing so, assume that the Nice model occurred as described and that the Grand Tack model also occurred as described. 1) The formation of Jupiter 2) The inward migration of Jupiter due to gas forces 3) The instability "... Tuesday, May 13, 2014 at 10:04am Science What is the mechanical advantage of the pulley system? The weight is being moved requires a force of 180n. This is the output force. The hand is providing the input force, and is pulling w/45 of force. Monday, May 12, 2014 at 7:18pm (2-8) Chemistry - Science (Dr. Bob222) Which of the following statements is correct? A) The internal energy of a system increases when more work is done by the system than the heat that flows into the system. B) The system does work on the surroundings when an ideal gas expands against a constant external pressure... Sunday, May 11, 2014 at 3:59pm chemistry Consider the following system, which is at equilibrium, 3C(s) + 3 H2(g) mc020-1.jpg CH4(g) + C2H2(g) The result of removing some C(s) from the system is that a) more CH4(g) and C2H2(g) are produced to replace that which is removed. b) Kc decreases. c) more C(s) is produced. d... Sunday, May 11, 2014 at 8:50am Science help please 1. Name the components of the respiratory system in the order incoming air would encounter them during breathing. trachea, pharynx, larynx, alveoli, bronchi bronchi, larynx, alveoli, trachea, pharynx larynx, trachea, bronchi, pharynx, alveoli pharynx, larynx, trachea, bronchi... Saturday, May 10, 2014 at 11:18pm Chemistry - Science (Dr. Bob222) Liquid chloroform (CHCl3) is placed in a closed container and allowed to equilibrate with chloroform vapor. With the temperature held constant, additional chloroform is introduced into the system, and the vapor-liquid equilibrium is reestablished. Following this, the ... Saturday, May 10, 2014 at 7:12pm Plz, check my answers. 1. Which of the following is not a function of the circulatory system? breaks down large molecules delivers oxygen to body cells **** takes carbon dioxide away from body cells fights infection 2. Which of the following explains why the heart is organized so that it pumps blood... Saturday, May 10, 2014 at 5:54pm Science 1. Which of the following describes the correct sequence of the movement of food during digestion? stomach, large intestine, small intestine *** mouth, esophagus, small intestine esophagus, stomach, small intestine small intestine, stomach, large intestine 2. Compare the two ... Saturday, May 10, 2014 at 4:26pm Science-3 question 1. Which of the following is not a function of the circulatory system? breaks down large molecules delivers oxygen to body cells **** takes carbon dioxide away from body cells fights infection 2. Which of the following explains why the heart is organized so that it pumps blood... Saturday, May 10, 2014 at 4:14pm H.E.L.P 1. Which of the following describes the correct sequence of the movement of food during digestion? stomach, large intestine, small intestine *** mouth, esophagus, small intestine esophagus, stomach, small intestine small intestine, stomach, large intestine 2. Compare the two ... Saturday, May 10, 2014 at 3:37pm (1-11) Chemistry - Science (Dr. Bob222) Liquid chloroform (CHCl3) is placed in a closed container and allowed to equilibrate with chloroform vapor. With the temperature held constant, additional chloroform is introduced into the system, and the vapor-liquid equilibrium is reestablished. Following this, the ... Saturday, May 10, 2014 at 8:12am MATH PLS HELP CHECK ANSWERS 3. What is the rule for the function shown in the table? (1 point) x = -1, 0, 1, 2 y = -2, 1, 4, 7 A.y = 1/3x + 1 B.y = 3x + 1 C.y = 1/3x D.y = 1/2x + 1 4. What is the function rule for the following situation? rex paid$20 for a membership to the pool and pays $3.00 each time... Thursday, May 8, 2014 at 5:19pm World Regional Geography Which of the following is true of the Antarctic Treaty System? A. It was established specifically to enforce ecological regulations. B. It bans commercial mining in Antarctica. C. It's actually the Society for the Geographic Exploration of Antarctica. D. It provides the de... Thursday, May 8, 2014 at 7:38am world regional geography Which of the following is true of the Antarctic Treaty System? Thursday, May 8, 2014 at 7:34am Algebra 2 help!!! Which system is represented by the matrix equation below? [-7 -2] [x] [14] [15 8] [y] = [-8] Wednesday, May 7, 2014 at 2:35pm Science In which way does the circulatory system rely on the skeletal system? Glucose is secreted by compact bone as an energy source for blood. Spongy bone stores minerals needed by blood cells. Bones provide a source of oxygen to blood. Blood cells are produced in bone marrow. Tuesday, May 6, 2014 at 7:24pm chemistry The mean activity coefficients of HBrin 5.0 and 20.0 mmol kg –1 are 0.930 and 0.879, respectively. Consider a hydrogen electrode in HBr(aq) solution at 25 °C operating at 1.15 atm. Calculate the change in the electrode potential when the molality of the acid solution ... Tuesday, May 6, 2014 at 2:21pm Accounting Use the following information to answer questions 8-10. The Boxcar Corporation has paid a total of$1 million in cash bonuses to its officers for 8 consecutive years. The board’s policy requires that, for this bonus to be paid, net cash provided by operating activities ...
Tuesday, May 6, 2014 at 11:41am

algebra
solve the system of equation 2x+y=5 y^2-2y=-3x+5
Tuesday, May 6, 2014 at 12:47am

Accounting
NOTE: I NEED HELP WITH THESE 10 QUESTIONS,IT IS AN EMERGENCY PLEASE! Use the following information to answer questions 1-4. The Bayside Company uses the LIFO cost flow method to value inventory. In the current year, profit at Bayside is running unusually high. The corporate ...
Monday, May 5, 2014 at 10:43pm

English
Identify the sentence that is punctuated correctly. A. The operating costs, as he probably told you, are too high. B. The operating costs, as he probably told you are too high. C. The operating costs as he probably told you, are too high. D. The operating costs as he probably ...
Monday, May 5, 2014 at 10:01pm

English
Identify the sentence that is punctuated correctly. A. The cost and size of computers decreased, as rapidly as processing power increased. B. An operating system is the set of instructions, that directs the overall operations of the computer. C. While database management ...
Monday, May 5, 2014 at 8:18pm

physics
Which of the following statements is not true about resonance? Answer It is easy to get an object to vibrate at its resonant frequencies but difficult to get it vibrate at other frequencies. A simple pendulum has many resonant frequencies called harmonics. A spring-mass system...
Monday, May 5, 2014 at 6:12pm

chemistry
The cell shown above is a concentration cell. Both cells contain a copper solution and have copper electrodes. The only driving force for this cell is the difference in the concentration of the copper solutions. The system will react to equalize the concentration of the ions ...
Monday, May 5, 2014 at 5:49pm

Science help ASAP
1. In which way does the circulatory system rely on the skeletal system? Glucose is secreted by compact bone as an energy source for blood. Spongy bone stores minerals needed by blood cells. Bones provide a source of oxygen to blood. Blood cells are produced in bone marrow. 2...
Monday, May 5, 2014 at 5:42pm

Accounting; Emergency
NOTE: I NEED HELP WITH THESE 10 QUESTIONS,IT IS AN EMERGENCY PLEASE! Use the following information to answer questions 1-4. The Bayside Company uses the LIFO cost flow method to value inventory. In the current year, profit at Bayside is running unusually high. The corporate ...
Monday, May 5, 2014 at 5:01pm

Chemistry
A system initially has an internal energy U of 493 J. It undergoes a process during which it releases 107 J of heat energy to the surroundings, and does work of 225 J. What is the final energy of the system, in J?
Monday, May 5, 2014 at 4:28pm

physics
An american system of communication is based on the radio frequency of 76 Hz. Compute the wavelength of theses waves and compare it to the diameter of the earth.
Monday, May 5, 2014 at 11:37am

algebra
solve each system of equations 1.4x-0.5y=1.3 0.4x+1.1y=4.1
Monday, May 5, 2014 at 12:09am

Algebra
I have to identify the system of equations, if any for: -2x-4=1, 12=-6x-3 no solution? infinitely many solutions? (0,-1)? or (-1,0)?
Sunday, May 4, 2014 at 11:27pm

Accounting
NOTE: I NEED HELP WITH THESE 10 QUESTIONS,IT IS AN EMERGENCY PLEASE! Use the following information to answer questions 1-4. The Bayside Company uses the LIFO cost flow method to value inventory. In the current year, profit at Bayside is running unusually high. The corporate ...
Sunday, May 4, 2014 at 11:02pm

CRJ
1. Which of the following was an impact on policing as a result of WWII? (Points : 1) The Pendelton Act An increase in educational requirements for police A shortage of experienced officers The adoption of residency requirements for police Question 2. 2. The Pendelton Act of ...
Sunday, May 4, 2014 at 8:38pm

physics
A 0.25 kg{\rm kg} object is suspended on a light spring of spring constant 35N/mN/m . The spring is then compressed to a position 17cmcm above the stretched equilibrium position.How much more energy does the system have at the compressed position than at the stretched ...
Sunday, May 4, 2014 at 8:30pm

chemistry
The chemical reaction for dissociation of an acid is: HA + H2O → H3O+ + A- Assuming all of the hydronium ion (calculated in in the previous problem) comes from this reaction, what is the concentration of conjugate base, [A-], in this system?
Sunday, May 4, 2014 at 7:34pm

algebra
Which of the following ordered pairs is included in the solution set of the system, y < 2 - 2x and y > 2x -3? (4, 0) (0, 0) No Solution (3, 4) 2. Choose all correct answers. Which of the following are solutions of the system? x < 3 and x + y < 5 (2, 2) (4, 2) (2, -...
Sunday, May 4, 2014 at 1:17pm

Accounting Questions
NOTE: I NEED HELP WITH THESE 10 QUESTIONS,IT IS AN EMERGENCY PLEASE! Use the following information to answer questions 1-4. The Bayside Company uses the LIFO cost flow method to value inventory. In the current year, profit at Bayside is running unusually high. The corporate ...
Saturday, May 3, 2014 at 10:14pm

math
A company's sales revenue decreased by 15% from one operating period to the next. Assuming no change in the prices of its inputs and outputs, by what percentage did: Fixed costs change? Unit variable costs change? Total variable costs change?
Saturday, May 3, 2014 at 8:53pm

chemistry
I have two questions regarding enthalpy of reactions: 1.) Care must be taken when dissolving NaOH pellets in water because the temp. can rise dramatically. Taking NaOH as system, what can be deduced about the signs of the entropy of system and surroundings? Am I correct in ...
Friday, May 2, 2014 at 9:07pm

chemistry
Construct a galvanic (voltaic) cell from the half reactions shown below. Au3+ + 3 e- → Au (s) ξo= 1.420 V Br2 (l) + 2 e-→ 2 Br- (aq) ξo= 1.087 V Calculate the equilibrium constant (K) for this cell. Assume that the temperature is 298K. First, consider ...
Friday, May 2, 2014 at 4:46pm

Medical Reimbursement
Dr. M is receiving reimbursement based on actual charges after the patient has been treated. She's being reimbursed on a A. retrospective, fee-for-service payment system. B. prospective payment system. C. indemnity system. D. usual, customary, and reasonable charges ...
Friday, May 2, 2014 at 3:55pm

economics (4)
Assume that the following data describe the condition of the banking system: Total reserves $200 billion Transactions deposits$800 billion Cash held by public $400 billion Reserve requirement 0.20 By how much could the banks increase their lending activity?$ billion = ?
Thursday, May 1, 2014 at 10:04pm

Constituion
what article of the Constitution clarify the federal system of government?
Thursday, May 1, 2014 at 7:45pm

History8
Which of the following was NOT a reason the United States needed a stronger national government system? A.States maintained control over their own currency. B.The Articles of Confederation based the number of votes a state had in Congress on the size of its population. C....
Thursday, May 1, 2014 at 6:06pm

Please do Civics Essay thanks so much
Please Help with essay question. thanks!! In a federal system of government (also known as a federation), the local and state governments share power with the central government, though the central government has final authority. Eplain how this is different from a confederation.
Thursday, May 1, 2014 at 4:29pm

Which one of these statements is true about a "bumper-to-bumper" warranty. A. Normal wear and tear is NOT covered by the warranty. B. All expenses except gasoline and routine oil changes are covered by the warranty. C. Every part and system is covered without ...
Thursday, May 1, 2014 at 1:39pm

Economics (4)
Assume that the following data describe the condition of the banking system: Total reserves $200 billion Transactions deposits$800 billion Cash held by public $400 billion Reserve requirement 0.20 By how much could the banks increase their lending activity?$ billion = ?
Thursday, May 1, 2014 at 11:46am

economics (4)
Assume that the following data describe the condition of the banking system: Total reserves $200 billion Transactions deposits$800 billion Cash held by public $400 billion Reserve requirement 0.20 By how much could the banks increase their lending activity?$ billion = ?
Wednesday, April 30, 2014 at 10:31pm

Constituion: Check? Thanks
After 1788, states had no control over a.local government and education. b.the chartering of corporations. c.the development and administration of civil and criminal law. d.issuing legal currency. c? In Congress’s first session after the ratification of the Constitution, ...
Wednesday, April 30, 2014 at 6:34pm

Physic
A 220 g cart moves on an air track (a one-dimensional system in which motion is friction free) at 1.3 m/s. It collides with and sticks to another cart of mass 550 g, which was moving in the opposite direction at 0.80 m/s before the collision. What is the velocity of the ...
Wednesday, April 30, 2014 at 4:47pm

Probability
In parts 1, 3, 4, and 5 below, your answers will be algebraic expressions. Enter 'lambda' for λ and 'mu' for μ. Follow standard notation. Shuttles bound for Boston depart from New York every hour on the hour (e.g., at exactly one o'clock, two o&#...
Wednesday, April 30, 2014 at 4:22am

Math
Math - Cindy, Tuesday, April 29, 2014 at 8:44pm At Bobs diner, it costs $8.00 to purchase two hamburgers and one order of fries. The "family pack" costs 30.00 and comes with six hamburgers and six orders of fries. If the prices are constant,how much does one ... Tuesday, April 29, 2014 at 8:48pm Physics The maximum kinetic energy of a mass-spring system in SHM is equal to Tuesday, April 29, 2014 at 8:32pm Math Hector has$450 and saves 20 per week. Tim has $1200and spends$30 per week.write a system equation for this situation
Tuesday, April 29, 2014 at 8:11pm

Probability
In parts 1, 3, 4, and 5 below, your answers will be algebraic expressions. Enter 'lambda' for and 'mu' for . Follow standard notation. 1. Shuttles bound for Boston depart from New York every hour on the hour (e.g., at exactly one o'clock, two o'clock, ...
Tuesday, April 29, 2014 at 7:31pm

college chem
A mixture contains H2 at 600 torr pressure, N2 at 200 torr pressure and O2 at 300 pressure. what is the total pressure of the gases in the system?
Tuesday, April 29, 2014 at 6:17pm

probability
In parts 1, 3, 4, and 5 below, your answers will be algebraic expressions. Enter 'lambda' for λ and 'mu' for μ. Follow standard notation. Shuttles bound for Boston depart from New York every hour on the hour (e.g., at exactly one o'clock, two o&#...
Tuesday, April 29, 2014 at 5:52pm

Chemistry
A system which undergoes an adiabatic change (i.e., q = 0) and has work done on it by the surroundings has a. w < 0, ΔU = 0 b. w < 0, ΔU < 0 c. w > 0, ΔU < 0 d. w > 0, ΔU > 0 e. w < 0, ΔU > 0
Monday, April 28, 2014 at 9:20pm

gfd
A 10.6 kg object oscillates at the end of a vertical spring that has a spring constant of 2.05 × 104 N m-1 . The effect of air resistance is represented by the damping coefficient b = 3.00 N .s m-1 . (a) Calculate the frequency of the damped oscillation. (b) By what ...
Monday, April 28, 2014 at 12:08am

computer literacy
1. Which of the following options would return a true statement for the sentence: The sky is bluest early in the morning. (A) Sky and blue Sky not morning Sky or dark Sky and evening 2. Famed science fiction writer H. G. Wells once envisioned something to store vast amounts of...
Sunday, April 27, 2014 at 8:27pm

Algebra 1
Can you please check my work? A city planning committee surveys 100 people waiting at a bus stop about the expansion of the public transportation system. Is this an example of a: random sample, systematic sample, self-selected sample, convenience sample, bipartisan sample, or ...
Sunday, April 27, 2014 at 6:14pm

Linear algebra
Consider for every real number a the linear system of equations: { x +( a + 1 )y + a^2 z = a^3 { ( 1 - a )x +( 1 - 2a )y = a^3 { x +( a + 1 )y + az = a^2 b)Find the values of a for which the system has no solution, infinitely many solutions, and a unique solution
Sunday, April 27, 2014 at 2:12pm

Computers
An architecture provides a framework within which to identify, design, code and test the components or subsystems required for your game. It is necessary to know the purpose of each subsystem, what they exactly do, and which other subsystems they communicate with and how they ...
Sunday, April 27, 2014 at 12:51pm

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