Friday
May 24, 2013

# Homework Help: Computers: Operating Systems

Recent Homework Questions About Operating Systems

physics
Your projectile launching system is partially jammed. It can only launch objects with an initial vertical velocity of 42.0 m/s, though the horizontal component of the velocity can vary. You need your projectile to land 214 m from its launch point. What horizontal velocity do ...
Monday, October 22, 2012 at 5:42am

physics
A particle of mass 0.350 kg is attached to the 100-cm mark of a meter stick of mass 0.175 kg. The meter stick rotates on a frictionless, horizontal table with an angular speed of 6.00 rad/s. (a) Calculate the angular momentum of the system when the stick is pivoted about an ...
Monday, October 22, 2012 at 1:27am

pre-calc.
Answers for Determine The Minimum Distance From The Point (18,20) To The Line 5x+8y=120 Include: Graph, Algebra Of Any Equations, Algebra Of System, Set-up & Steps Of Final Calculations.
Sunday, October 21, 2012 at 11:59pm

p
A 16.0 g bullet is fired horizontally into a 87 g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring having spring constant 168 N/m. The bullet becomes embedded in the block. The bullet block system compresses the spring by a ...
Sunday, October 21, 2012 at 10:46pm

physics
A 16.0 g bullet is fired horizontally into a 87 g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring having spring constant 168 N/m. The bullet becomes embedded in the block. The bullet block system compresses the spring by a ...
Sunday, October 21, 2012 at 10:17pm

Chemistry problem
The volume of an ideal gas contracts from 5.68 L to 2.35 L as the result of a constant applied pressure of 1.48 atm. The system releases 733 J of heat during this process. Calculate deltaU (internal energy) for this process. Express answer in Joules. Please help, thank you ...
Sunday, October 21, 2012 at 9:59pm

accounting
In its first month of operations, Danielle Company made three purchases of merchandise in the following sequence: (1) 161 units at $17, (2) 414 units at$18, and (3) 115 units at $19. Assuming there are 271 units on hand, compute the cost of the ending inventory under the FIFO... Sunday, October 21, 2012 at 8:38pm physics A object-spring system undergoes simple harmonic motion with an amplitude of A. Does the total energy change if the mass is doubled but the amplitude is not changed? Do the kinetic and potential energies depend on the mass? Explain. Thanks in advance Sunday, October 21, 2012 at 5:46pm Physics A 28 kg canoe has a 24 kg passenger. The passenger is 2.0 m from the left end of the canoe and the center of mass of the canoe by itself is 2.9 m from the left end. a. Calculate the position of the center of mass of the canoe/passenger system. b. if we neglect any horizontal ... Sunday, October 21, 2012 at 2:33pm Chemistry problem The volume of an ideal gas contracts from 5.68 L to 2.35 L as the result of a constant applied pressure of 1.48 atm. The system releases 733 J of heat during this process. Calculate deltaU (internal energy) for this process. Express answer in Joules. Please help, thank you ... Sunday, October 21, 2012 at 11:06am Criminal Justice How does the structure of the government relate to the criminal justice system? Sunday, October 21, 2012 at 2:10am chemistry name the following compound by the stock system (international systemic naming system: 1)Li2CO3 2) MnO2 3) HBrO4 4) (NH4)2 S 5) H3PO3 6) P2O5 Sunday, October 21, 2012 at 1:47am i need help ss 1. Because there was a reawakening of interest in art, literature, and science between 1300 and 1600, it is fitting to call this period the Renaissance, since it means _____. (1 point)learning knowledge "out with the old" rebirth 2. During the Middle Ages, why was ... Saturday, October 20, 2012 at 9:46pm soical studys 1. Because there was a reawakening of interest in art, literature, and science between 1300 and 1600, it is fitting to call this period the Renaissance, since it means _____. (1 point)learning knowledge "out with the old" rebirth 2. During the Middle Ages, why was ... Saturday, October 20, 2012 at 9:45pm College Physics A uniform horizontal rod of mass M and length l rotates with angular velocity w (omega) about a vertical axis through its center. Attached to each end of the rod is a small mass m. Determine the angular momentum of the system about the axis. Write you're answer in terms of... Saturday, October 20, 2012 at 8:55pm Physics Consider the system of blocks in the figure below, with m2 = 5.0 kg and è = 33°. If the coefficient of static friction between block #1 and the inclined plane is ìS = 0.24, what is the largest mass m1 for which the blocks will remain at rest? Friday, October 19, 2012 at 8:38pm 2012faCJC-111-NWB1 Why is public order necessary? Do we have enough public order or too little? How can we tell? What might a large, complex society such as ours be like without laws and without a system of criminal justice? Would you want to live in such a society? Why or why not? Friday, October 19, 2012 at 12:24pm Accounting Financial Accounting 1. The following information was made available from the income statement and balance sheet of Meranda Company: ITEM 12/31/2010 12/31/2009 Accounts Receivable$ 42,000 $45,100 Accounts Payable 27,900 24,500 Merchandise Inventory 68,000 63,000 Sales (2010... Friday, October 19, 2012 at 9:41am science[physics] three masses 3kg,4kg,5kg are located at corners of an equilateral triangle of side 1m.locate the centre of mass of the system Friday, October 19, 2012 at 1:41am ap chemistry ! i am so lost 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 5.8 liters against a constant external pressure of 0.0100 atm? answer in units of J Thursday, October 18, 2012 at 11:39pm ap chemistry ! i am so lost 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 5.8 liters against a constant external pressure of 0.0100 atm? answer in units of J Thursday, October 18, 2012 at 11:38pm ap chemistry :( consider the reaction C6H14 + 9.5O2 yields 6CO2 + 7H2O at constant pressure. which response is true? 1. work may be done on or by the system as the reaction occurs, depending upon the temperature. 2. work is done on the system as the reaction occurs. 3. no work is done as the ... Thursday, October 18, 2012 at 11:36pm ap chemistry :( consider the reaction C6H14 + 9.5O2 yields 6CO2 + &H2) at constant pressure. which response is true? 1. work may be done on or by the system as the reaction occurs, depending upon the temperature. 2. work is done on the system as the reaction occurs. 3. no work is done as the ... Thursday, October 18, 2012 at 11:34pm Physics- Elena please help! A 20.0 g bullet is fired horizontally into a 85 g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring having spring constant 156 N/m. The bullet becomes embedded in the block. The bullet block system compresses the spring by a ... Thursday, October 18, 2012 at 5:01pm Physics A wooden block with mass 0.26{\rm kg} rests on a horizontal table, connected to a string that hangs vertically over a friction-less pulley on the table's edge. From the other end of the string hangs a 0.20{\rm kg} mass. What minimum coefficient of static friction \mu _{{\... Thursday, October 18, 2012 at 4:52pm Physics: Rotational Motion A 0.005kg bullet travelling horizontally with a speed of 1000m/s enters an 18kg door, embedding itself 10cm from the side opposite the hinges as in figure. The 1m wide door is free to swing on the hinges. a) Before it hits the door, does the bullet have angular momentum ... Thursday, October 18, 2012 at 11:48am 7th grade science help the solar system Ms. Sue 1. Most likely, ____ were formed when lava from the moon's interior flooded bowl-like regions on the moon's surface. (1 point) maria highlands craters basins 2. Depressions on the moon formed by large meteorites are called ____. (1 point) maria mountains craters ... Wednesday, October 17, 2012 at 10:49pm english The following arguments contain various kinds of fallacies. Evaluate each and identify the fallacy using the matching list at bottom. 1. We can recognize that athletes who participate in sports must be given special consideration in our grading system, or we can let the ... Wednesday, October 17, 2012 at 6:19pm physics A 1.16 kg block and a 2.32 kg block are initially at rest on a frictionless, horizontal surface, with a compressed spring of negligible mass between them. When the blocks are released, they move off in opposite directions. If the final velocity of the 1.16 kg block is 3.20 m/s... Wednesday, October 17, 2012 at 5:22pm History Lenin advocated a modified form of Marxism because A.Russia had little in the way of industry B.He had some latent Capitalist inclinations C.Russia had been so financially devastated by WWI that there was no capital to redistribute C? Britain's interest in WWI was ... Wednesday, October 17, 2012 at 3:18pm History Lenin advocated a modified form of Marxism because A.Russia had little in the way of industry B.He had some latent Capitalist inclinations C.Russia had been so financially devastated by WWI that there was no capital to redistribute C? Britain's interest in WWI was ... Wednesday, October 17, 2012 at 1:54pm CIS 210 Your sister owns a small clothing store. During a conversation at a family dinner, she mentions her frustration with having to manually track and reorder high demand items. She would like an automated system but has a very small budget. Write a 4-5 page paper in which you ... Wednesday, October 17, 2012 at 1:04pm U.S History Okay so i have the answers but i would like to know if i have them right. may someone tell me which ones are right and wrong ? Which of the following describes Loyalists? (1 point) A. They decided to fight against the British. B. They supported British taxation. C. They ... Wednesday, October 17, 2012 at 11:00am Science Which of the following represents a decimal system of measurement? 1 quart = 16 fluid ounces 1 mile = 5,280 feet 1 kilometer = 1,000 meters 1 pound = 16 ounces Wednesday, October 17, 2012 at 6:56am Physics An amusement park ride consists of a rotating circular platform 8.00 m in diameter from which 9.5 kg seats are suspended at the end of 2.50 m massless chains. When the system rotates, the chains make an angle θ = 31.0° with the vertical. Assume the average mass of a ... Wednesday, October 17, 2012 at 1:47am physics The shock absorbers in the suspension system of a car are in such bad shape that they have no effect on the behavior of the springs attached to the axles. Each of the identical springs attached to the front axle supports 294 kg. A person pushes down on the middle of the front ... Wednesday, October 17, 2012 at 1:44am Astronomy Which one support the solar nebula theory of the origin of the solar system? Tuesday, October 16, 2012 at 8:43pm Health care Information System 3 "Quality Improvement and Measurement" Analyze the AHIMA characteristics of data quality and discuss what additional factors could be brought into the model to improve the quality of health care data even further. Tuesday, October 16, 2012 at 4:50pm Health care Information System 4 "Quality Improvement and Measurement" Discuss the challenges associated with measuring the quality of health care data and ways that those challenges may be addressed. Provide specific examples to support your response. Tuesday, October 16, 2012 at 4:48pm Health care Information System 2 Discuss ways that information systems could assist in preventing the problems. Provide specific examples to support your response Tuesday, October 16, 2012 at 4:44pm Health care Information System Analyze the causes of poor quality health care data and determine the single most significant cause, as well as an innovative solution that is addressed in the text. Tuesday, October 16, 2012 at 4:41pm Physics- Elena please help! A 20.0 g bullet is fired horizontally into a 85 g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring having spring constant 156 N/m. The bullet becomes embedded in the block. The bullet block system compresses the spring by a ... Tuesday, October 16, 2012 at 4:16pm Physics HELP! A 20.0 g bullet is fired horizontally into a 85 g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring having spring constant 156 N/m. The bullet becomes embedded in the block. The bullet block system compresses the spring by a ... Tuesday, October 16, 2012 at 12:05pm Chemistry 1. According to the collision theory of chemical reactions: A. High energy collisions result in few successful reactions as there isn’t sufficient time for the products to react. B. High energy collisions lead to the successful formation of products. C. Low energy ... Tuesday, October 16, 2012 at 1:00am Chemistry 1. For the reaction 2N2O(g) ⇋ O2(g) + 2N2(g), what happens to the equilibrium position if the pressure decreases? A. Shift to the right B. Shift to the left C. Doubles D. Does nothing E. Halves 2. if an equilibrium reaction shifts to the right when the system is cooled, ... Tuesday, October 16, 2012 at 12:58am geometry draw the triangle into a coordinate system of (-7) to 7. Designating cathetes and hypotenuse. a)A(1/1);B(3/1);C(1/6) b)D(-3/1);E(1/-2);F(1/1) Monday, October 15, 2012 at 12:19pm Algebra 2 x+2y+5z=-1 2x-y+z=z 3x+4y-4z=14 solve the system using linear combination method. Sunday, October 14, 2012 at 7:50pm Anntarctic What is the Antarctic Treaty System? Saturday, October 13, 2012 at 2:42pm Physical Science You submerge 100 grams of steel in 200 grams of water. If the steel has an initial temperature of 80°C and the water has an initial temperature of 10°C, what is the final temperature of the system? The specific heat capacity of the steel is 0.15 cal/g•°C Friday, October 12, 2012 at 5:19pm physics four particles each of mass 1kg at rest of four corners of a square as shown in the fig . find the coordinates of the mass of the system Friday, October 12, 2012 at 11:47am physics determine the tension in each cable below. draw a force diagram for the system before solving the problem. Case A- ball suspended on one cable Case B- ball suspended on by two cables Thursday, October 11, 2012 at 8:40pm physics please help :/ Three charges are fixed to an xy coordinate system. A charge of +25C is on the y axis at y = +2.7 m. A charge of -16C is at the origin. Lastly, a charge of +66C is on the x axis at x = +2.7 m. Determine (a) the magnitude and (b) direction of the net ... Thursday, October 11, 2012 at 8:11pm cost and management accounting Choice any company and explain the five ways of applying cost and management in company process system. Thursday, October 11, 2012 at 4:32pm Linear algebra Show that the origin is the only equilibrium point of the system? X=ax+by Y=cx+dy Wherea,b,c and d are constants, with ad-bc not aqual to 0(zero) Please show me how to do this problem Please show me the work Thursday, October 11, 2012 at 9:36am 7th grade science help Ms.Sue please help 1. A behavioral adaptation in which animals undergo a period of greatly reduced activity in winter is _____. (1 point) clusters hibernation burrows estivation 2. Climatologists use a classification system developed in 1918 by _____. (1 point) Köppen Einstein Galileo ... Wednesday, October 10, 2012 at 10:33pm 7th grade health question 1. What does smart snacking mean? (1 point) Eat while you are studying Eat what your brain tells you to eat Eat nutrient dense foods Read a cookbook 2. What is NOT a way to keep foods safe? (1 point) If it looks and smells okay, it is safe to eat Wash hands with warm soapy ... Wednesday, October 10, 2012 at 9:45pm phsyics An accelerometer in a control system consists of a 4.70 g object sliding on a horizontal rail. A low-mass spring is connected between the object and a flange at one end of the rail. Grease on the rail makes static friction negligible, but rapidly damps out vibrations of the ... Wednesday, October 10, 2012 at 8:52pm physics A small ball of mass 2.00 kilograms is moving at a velocity 1.50 meters/second. It hits a larger, stationary ball of mass 5.00 kilograms. What is the kinetic energy of the system after the collision if the collision is elastic? Wednesday, October 10, 2012 at 7:09pm Science Why are aboriginal clan systems considered a human social system? Wednesday, October 10, 2012 at 6:53pm Chem Three bulbs are connected by tubing, and the tubing is evacuated. The volume of the tubing is 32.0 mL. The first bulb has a volume of 78.0 mL and contains 2.72 atm of argon, the second bulb has a volume of 250 mL and contains 2.83 atm of neon, and the third bulb has a volume ... Wednesday, October 10, 2012 at 6:42pm Health care Information System, Question 4 From your own Internet research, to find a report card for one or more of your local hospitals. From the e-Activity, discuss how you would use the information you found on the report card if you or a family member needed health care. Describe the effect these types of Websites... Wednesday, October 10, 2012 at 3:46pm Health care Information System, Question 3 From your own Internet research, to find a report card for one or more of your local hospitals. "Using Information" Please respond to the following: Create a very brief scenario (1-2 sentences) in which specific information should be collected. Determine which two of... Wednesday, October 10, 2012 at 3:45pm Health care Information System, Question 2 Collecting Information Predict ways that the collection of patient information will become more efficient, expansive, and accurate during the next 20 years. Provide specific examples to support your response. Wednesday, October 10, 2012 at 3:43pm Health care Information System Analyze the points at which information is collected during an in-patient encounter, determine the most likely point (or points) at which mistakes in that collect could occur, and recommend steps to avoid the mistake you identified. Wednesday, October 10, 2012 at 3:40pm time and stress management once you've determined your long and short term goals you can use ?to determine how to best use your time (a)filing system (b)tickler file (c)monthly calendar (d)to do list really not sure if its c or d could someone please help me Wednesday, October 10, 2012 at 8:03am math In order to make the most accurate calendar, the following system was devised. Leap years occur every 4 years except for years ending in 00, but years divisible by 400 are leap years. In this case, the year is a leap year if it is divisible by 400. Which of the following years... Wednesday, October 10, 2012 at 12:16am Physics URGENT!!! An accelerometer in a control system consists of a 2.42 g object sliding on a horizontal rail. A low-mass spring is connected between the object and a flange at one end of the rail. Grease on the rail makes static friction negligible, but rapidly damps out vibrations of the ... Tuesday, October 9, 2012 at 8:20pm Physics- PLEASE HELP An accelerometer in a control system consists of a 2.42 g object sliding on a horizontal rail. A low-mass spring is connected between the object and a flange at one end of the rail. Grease on the rail makes static friction negligible, but rapidly damps out vibrations of the ... Tuesday, October 9, 2012 at 6:17pm Algebra A natural food store makes its own brand of trail mix out of dried apples, raisins, and peanuts. One pound of the mixture costs 3.18. It contains twice as much peanuts by weight as apples. One pound of dried apples cost$4.48, a pound of raisins costs $2.40, and a pound of ... Tuesday, October 9, 2012 at 5:22pm us history What is a feature of the american political system not adopted from practice in england? Monday, October 8, 2012 at 10:27pm time and stress management if you have to many tasks to complete at work ,you should (a)take a deep breath and start at the top of the pile and work your way down as quickly as possible (b)complain to your boss that its an inreasonable amount of work (c)decide for yourself what is the most important ,... Monday, October 8, 2012 at 11:17am Physics Consider the figure below. (Let w1 = 150 N and w2 = 38.0 N.) (a) What is the minimum force of friction required to hold the system of the figure in equilibrium? N (b) What coefficient of static friction between the 150-N block and the table ensures equilibrium? (c) If the ... Sunday, October 7, 2012 at 11:30pm Public Administration Explain the budget system model, its consistency with democratic theory, and the importance of data measures. Sunday, October 7, 2012 at 9:41pm pre calculus Algebraically solve the system of equations using any method you wish 3x-10y+z=5 -4x+9y-z=-6 -13y+z=2 Sunday, October 7, 2012 at 5:08pm QNT/351 The names of the positions in a corporation, such as chief operating officer or controller, are examples of what level of measurement? Sunday, October 7, 2012 at 2:42pm Physics- Elena please help! An accelerometer in a control system consists of a 2.42 g object sliding on a horizontal rail. A low-mass spring is connected between the object and a flange at one end of the rail. Grease on the rail makes static friction negligible, but rapidly damps out vibrations of the ... Sunday, October 7, 2012 at 2:13pm Algebra A rectangle is 4 inches longer than it is wide. It's perimeter is 28 inches. Write a system of two equations in two variables that describes this information. Then solve the system graphically. Sunday, October 7, 2012 at 1:38pm algebra 2 i'm trying to solve this system of equations with 3 variables 5a-b+3c=5 2a+7b-2c=5 4a-5b-7c=-65 i tried to make the first equation like a=something so i could substitute it in to the 2nd equation, however i get decimals so it doesnt work how do i do this problem? Sunday, October 7, 2012 at 1:29pm Statistic I’m having problems creating the flow chart, so I am unable to insert the numbers. This is what I have done this far, and I’m not sure if I’m accurate with the calculations. (1) A school cafeteria is operated by five persons performing the activities listed ... Saturday, October 6, 2012 at 10:23pm Physics A 2.285 kg object is held in place on an inclined plane that makes an angle of 40 degrees with the horizontal. The coefficient of static friction between the plan and the object is 0.552. A second object that has a mass of 4.75 kg is connected to the first object with a ... Saturday, October 6, 2012 at 8:10pm time and stress management progessive mmuscle relaxation is a technique used for (a)falling asleep (B)becoming aware of tension in muscles (C)prepping surgery patients (d)raising blood pressure my answer is b to achieve a low state of arousal,you need to (a)control breathing,thought ,and tension within ... Friday, October 5, 2012 at 9:54pm Alg 2 Today we learned how to solve systems of equations with 3 variables, however my teacher didn't go over how to do a problem where not every single equation in the system has the 3 variables. Can someone point me to a place that explains this? the kind of problem im talking ... Friday, October 5, 2012 at 9:29pm Skeletal System what type of bone cell is very important in the healing of fractures? osteoclasts osteocytes osteoblasts osteosomas Friday, October 5, 2012 at 4:58pm phys Two concentric circular wire loops in the same plane each carry a current. The larger loop has a current of 8.62 A circulating clockwise and has a radius of 6.09 cm. The smaller loop has a radius of 4.42 cm. What is the current in the smaller loop if the total magnetic field ... Thursday, October 4, 2012 at 11:35pm physics The region of the solar system between Mars and Jupiter contains many asteroids that orbit the Sun. Consider an asteroid in a circular orbit of radius 5.7 1011 m. Find the period of the orbit. Thursday, October 4, 2012 at 10:19pm physic A man is running at speed c (much less than the speed of light) to catch a bus already at a stop. At t=0, when he is a distance b from the door to the bus, the bus starts moving with the positive acceleration a. Use a coordinate system with x=0 at the door of the stopped bus. ... Thursday, October 4, 2012 at 4:50pm chemistry a sample of sodium-24 with an activity of 12 mCi is used to study the rate of blood flow in the circulatory system. If sodium-24 has a half-life of 15 h, what is the activity of the sodium after 2.5 days. please show work. Thursday, October 4, 2012 at 2:43pm Physics 1 The region of the solar system between Mars and Jupiter contains many asteroids that orbit the Sun. Consider an asteroid in a circular orbit of radius 5.8 1011 m. Find the period of the orbit. _____s Thursday, October 4, 2012 at 11:19am statistics . For the table that follows, answer the following questions: x y 1 -1 2 -5 3 -9 4 - Would the correlation between x and y in the table above be positive or negative? - Find the missing value of y in the table. The missing value of y = How would the values of this table be ... Thursday, October 4, 2012 at 11:03am Physics 1 The region of the solar system between Mars and Jupiter contains many asteroids that orbit the Sun. Consider an asteroid in a circular orbit of radius 5.8 1011 m. Find the period of the orbit. _____s Wednesday, October 3, 2012 at 9:53pm Physics A box of mass m2 = 3.1 kg rests on a frictionless horizontal shelf and is attached by strings to boxes of masses m1 = 1.6 kg and m3 = 2.6 kg as shown below. Both pulleys are frictionless and massless. The system is released from rest. After it is released, find the tension in ... Wednesday, October 3, 2012 at 7:14pm American Government The term "public opinion" is frequently used in reference to all of American society. This perspective is? A. accurate, since Americans are one people and indivisible B. less accurate than view of public opinion based on majority, since the political system operates ... Tuesday, October 2, 2012 at 10:32pm chemistry A piece of a newly synthesized material of mass 25.0 g at 80.0 ◦ C is placed in a calorimeter containing 100.0 g of water at 20.0 ◦ C. If the ﬁnal temperature of the system is 24.0 ◦ C, what is the speciﬁc heat capacity of this material? Tuesday, October 2, 2012 at 8:53pm Math Solve the system by using the substitution method. y= 3/4x - 4 -x + 2y= -6 Tuesday, October 2, 2012 at 7:19pm THE AGE OF DISCOVERY TO THE AMERICAN EXPERIMENT The Articles of Confederation called for which of the following? A. A single legislative body B. A chief executive C. The right of the legislature to assess taxes D. The Northwest Ordinance 2. Jacques Cartier sailed to the New World in 1534 in search of A. Newfoundland. B. a ... Tuesday, October 2, 2012 at 10:40am statistics a manufacturer of bicycle tire has developed a new system which he claims an average life span of 5 years. with the standard deviation of 1.2 years a dealer product claims that the average life span of 150 samples is only 3.5 years. test the difference of population and sample... Tuesday, October 2, 2012 at 7:28am Uni Physics A 67 kg astronaut (Jeff), an 88 kg astronaut (Brett) and a 17 kg rock are tied together by a light rope during a space walk. The distance between Jeff and the rock is 5.0 m, the distance between Brett and the rock is 2.0 m. Find the position of the centre of mass of the system... Tuesday, October 2, 2012 at 12:00am Biology How can NaHCO3 function as both the acidic component of the NaHCO3/Na2CO3 buffer system and as the basic compnent of the H2CO3/NaHCO3 buffer system? Monday, October 1, 2012 at 10:02pm Physics A mass m1 = 5.0 kg rests on a frictionless table and connected by a massless string to another mass m2 = 5.9 kg. A force of magnitude F = 40.0 N pulls m1 to the left a distance d = 0.77 m. 1)How much work is done by the force F on the two block system? 2)What is the final ... Monday, October 1, 2012 at 8:32pm 7th grade math I need help on these two questions because i have no clue what to say.... What caused the rise of the feudal system in Japan? More than 100 years after Akbar's death, the Mughal Empire began to fall apart. What were two of the reasons that caused this to happen? Thanks, -... Monday, October 1, 2012 at 7:27pm Math Determine if the ordered pair is a solution to the system. -5x - 7y= 4 y= 1/2 x - 1 a. (2,2) b. (2, -2) Monday, October 1, 2012 at 4:52pm Accounting Accounting for a Job-Order Cost System [LO 3, 6, 7, 9] Bob and Beth Ford retired from the food services industry and began catering wedding receptions on a limited basis. The major costs in setting up their business included: linens,$1,600; two complete silver services, $1,... Monday, October 1, 2012 at 4:13pm finance Your company will generate$45,000 in cash flow each year for the next nine years from a new information database. The computer system needed to set up the database costs $260,000. Assume you can borrow the money to buy the computer system at 8.25 percent annual interest. Monday, October 1, 2012 at 1:37pm American History 1. The Articles of Confederation called for which of the following? A. A single legislative body B. A chief executive C. The right of the legislature to assess taxes D. The Northwest Ordinance 2. Jacques Cartier sailed to the New World in 1534 in search of A. Newfoundland. B. ... Monday, October 1, 2012 at 12:26pm Earth Science How energy flows through the Earth's system? Monday, October 1, 2012 at 11:56am Math A large company has a private computer network connecting 300 different sites. Each site is connected to the network independently with a switch that fails with probability 1% on any given day. 1. What is the probability that exactly two of 300 sites lose their network ... Monday, October 1, 2012 at 11:36am Physics A mass m1 = 3.3 kg rests on a frictionless table and connected by a massless string over a massless pulley to another mass m2 = 4.4 kg which hangs freely from the string. When released, the hanging mass falls a distance d = 0.87 m. 1) How much work is done by gravity on the ... Sunday, September 30, 2012 at 9:46pm physics A 44.8- child is standing on the outer edge of a merry-go-round that has moment of inertia 981 and radius 2.40 . The entire system is initially rotating at 0.180 . Find the angular velocity if the child moves to a final position 1.10 from the center of the merry-go-round. Sunday, September 30, 2012 at 6:55pm Physics A mass of m1 = 6.00 kg is sitting on an inclined plane, which meets the horizantal at an angle of 22.0, which has a coefficient of sliding friction of 0.290, which is 3.50 m = L. a string is attached to m1, it is strung over a pulley, and attached to mass m2 = 7.0kg which is ... Sunday, September 30, 2012 at 6:11pm Earth Science How energy flows through the Earth's system. Sunday, September 30, 2012 at 1:11pm College Physic can someone help me with this question? Thank you! You have taken a summer job at a warehouse and have designed a method to help get heavy packages up a 15º ramp. In your system a package is attached to a rope, which runs parallel to the ramp and over a pulley at the top ... Sunday, September 30, 2012 at 12:33pm Math (Linear Systems) 28 N + T2 sin 12 = T1 sin 42 T2 cos 12 = T1 cos 42 T2 sin 12 + T3 sin 54 = W2 T2 cos 12 = T3 cos 54 Im solving for T1,2,3 and W2 I just cant seem to get the system to work Saturday, September 29, 2012 at 10:29pm accounting Shastri Bicycle of Bombay, India, produces an inexpensive, yet rugged, bicycle for use on the city’s crowded streets that it sells for 930 rupees. (Indian currency is denominated in rupees, denoted by Picture.) Selected data for the company’s operations last year ... Saturday, September 29, 2012 at 9:13pm accounting During Denton Company’s first two years of operations, the company reported absorption costing net operating income as follows: Year 1 Year 2 Sales (@$64 per unit) $1,216,000$ 1,856,000 Cost of goods sold (@ $32 per unit) 608,000 928,000 Gross margin 608,000 928,000 ... Saturday, September 29, 2012 at 9:12pm accounting Frieden Company's contribution format income statement for the most recent month is given below: Sales (46,000 units)$ 966,000 Variable expenses 676,200 Contribution margin 289,800 Fixed expenses 231,840 Net operating income \$ 57,960 The industry in which Frieden Company ...
Saturday, September 29, 2012 at 9:10pm

Accounting
Shirts Unlimited operates a chain of shirt stores that carry many styles of shirts that are all sold at the same price. To encourage sales personnel to be aggressive in their sales efforts, the company pays a substantial sales commission on each shirt sold. Sales personnel ...
Saturday, September 29, 2012 at 9:09pm

physics
Two forces of magnitude 80n and 60n are inclinde to each other at angle 90 calculate the resultant force and obtain it direction draw the system forces.
Saturday, September 29, 2012 at 12:04pm

physics
A painter of mass 90.0 kg stands on a platform of mass 50.0 kg and pulls on two ropes which hang over pulleys, as shown. He pulls each rope with a force of 600.0 N. Assuming a coordinate system where +y is up, calculate the y-component of the acceleration ay. ay can either be ...
Friday, September 28, 2012 at 9:51pm

physics
Three charges are fixed to an xy coordinate system. A charge of +25C is on the y axis at y = +2.7 m. A charge of -16C is at the origin. Lastly, a charge of +66C is on the x axis at x = +2.7 m. Determine (a) the magnitude and (b) direction of the net electrostatic force on the ...
Friday, September 28, 2012 at 12:24pm

Earth Science
Does energy flows through the Earth's system by heat?
Friday, September 28, 2012 at 11:55am

Earth Science
Can someone five me an example of how carbon cycles through the Earth's system?
Friday, September 28, 2012 at 11:46am

psychology
Should the criminal justice system put as much emphasis as it does on eyewitness testimony? What are some possible circumstances that could influence eyewitnesses to say they saw something they might not really have seen?
Friday, September 28, 2012 at 2:30am

Can anyone help me with these two questions? How do the various interests in land and real estate differ? Where did this system originate?
Thursday, September 27, 2012 at 10:56pm

education
During the middle of the twentieth century, North American psychology was dominated by A. evolutionary theory. C. neuroscience. B. cognitive development. D. behaviorism. 8. What is a major limitation of the psychophysiological method? A. Investigators can’t be sure that ...
Thursday, September 27, 2012 at 6:32pm

How do the various interests in land and real estate differ? Where did this system originate?
Thursday, September 27, 2012 at 5:51pm

algebra
making linear equation from word problem At low altitudes, the altitude of a parachute and time in the air are linearly related. A jump at 2,880 ft use the US army T-10 parachute system last 120 sec. (A) find a linear model relating altitude a (in feet) and time in the air t (...
Wednesday, September 26, 2012 at 10:50pm

1. According to Confucius, a society will be healthy if people (1 point) choose a ruler who inspires fear. obey their rulers without question. treat each other with respect. give each other money. 2. Two key products China traded with other countries were (1 point) silk and ...
Wednesday, September 26, 2012 at 7:49pm

Economic
Who controls what is sold in a free enterprise system? it is Producers Government or Consumers
Wednesday, September 26, 2012 at 2:45pm

algebra
I'm not really getting this. complete the table. Linear system: 4x+4y=-4 x: 0,1,2
Wednesday, September 26, 2012 at 12:54pm

maths
A certain nine digit number has only ones in ones period,only two’s in the thousand period and only threes in millions period .Write this number in words in the Indian system
Wednesday, September 26, 2012 at 3:33am

LAW 302 Business Law for Managers
How do the various interests in land and real estate differ? Where did this system originate? What is the organization of your business? How does this impact your employment and how you interact with your employer? What are some the advantages and disadvantages of the ...
Tuesday, September 25, 2012 at 9:54pm

Physics
A 35.41-g sample of Cu(s) at 96.73°C was added to a constant-pressure calorimeter containing 148.3 g of H2O(l) at 25.20°C. The final temperature of the system was 26.66°C. Assuming no heat loss to the surroundings, what is the calorimeter constant? C(Cu) = 24.435 J...
Tuesday, September 25, 2012 at 9:13pm

algebra
solve the linear system from problem 1 using elimination 4x-y=5 4x+4y=-4
Tuesday, September 25, 2012 at 3:20pm

Algebra
solve the linear system using substitution 4x - y=5 4x + 4y= -4 Also by using elimination.
Tuesday, September 25, 2012 at 2:46pm

maths(statistics)
it is about the system R or R programme. Can anyone help me about the question? Urgent! Let X denote the concentration of calcium carbonate (CaCO3) in milligrams per liter. Following are 20 observations of X: 130.8 129.9 131.5 131.2 129.5 132.7 131.5 127.8 133.7 132.2 134.8 ...
Monday, September 24, 2012 at 11:07pm

accounting information system
how to make a flow diagram in bumper cars
Monday, September 24, 2012 at 10:17pm

writing
I have been trying to work on this assignment and I am not really understanding it and I try to get help from my teacher and she keeps sending me this and telling me when I do this she will help me with the rest but I don't understand this and I have told her this and she ...
Monday, September 24, 2012 at 6:45pm

physics
Two blocks m1 = 9.1 kg and m2 = 5.6 kg are connected by a homogeneous rope that has a mass of mr = 1.50 kg. A constant vertical force, F = 193.0 N, is applied to the upper block. What is the magnitude of the acceleration of the system?What is the magnitude of the tension in ...
Sunday, September 23, 2012 at 7:24pm

political science
Do you buy James Madison's argument in Federalist 10 and Federalist 51 that separating powers among various inter-connected governments is a successful cure of the "mischief of factions?" Can one faction gain control of enough of our political system to diminish ...
Sunday, September 23, 2012 at 6:47pm

physic
a golf ball of mass 0.045 kg is moving in the +x direction with a speed of 9.0 m/s, and a baseball of mass 0.145 kg is moving in the -y direction with a speed of 7.0 m/s. What are the magnitude and direction if the total momentum of the system consisting of the two balls?
Sunday, September 23, 2012 at 6:05am

finite math
A company installs different POS computer systems. POS system A requires two hours to configure and one hour for assemble. POS B requires three hours to configure and one hour to assemble. POS C requires two hours to configure and two hours to assemble. The company has up to ...
Saturday, September 22, 2012 at 3:59pm

finite math
A company installs different POS computer systems. POS system A requires two hours to configure and one hour for assemble. POS B requires three hours to configure and one hour to assemble. POS C requires two hours to configure and two hours to assemble. The company has up to ...
Saturday, September 22, 2012 at 3:40pm

Physics
I wondered if someone would check my work concerning an Atwood's Machine. (I am led to believe the answers for these two questions should be the same but I'm not coming out that way.)Thank you! 8.) Caluclate the tension in the Atwood's Machine string for the case ...
Saturday, September 22, 2012 at 1:37pm

Physics
A mass with M = 122kg is attached to the bottom of a block-and-tackle pulley system.How much tension force is needed to keep the mass at its current position?
Friday, September 21, 2012 at 9:09pm

Physics
A person climbs from a Paris metro station to the street level by walking up a stalled escalator in 96.5 s. It takes 60.0 s to ride the same distance when standing on the escalator when it is operating normally. How long would it take for him to climb from the station to the ...
Friday, September 21, 2012 at 12:45pm

Linear Algebra
Solve the following system using Gauss's algorithm (a) x1 + 2x2 + 4x3 + 6x4 = 3 2x1 + x2 + 3x3 = -6 -2x1 + x2 + 6x3 + 4x4 = -11 2x1 + x2 + x3 = 0 so the matrix will be: 1 2 4 6 3 2 1 3 0 -6 -2 1 6 4 -11 2 1 1 0 0
Friday, September 21, 2012 at 9:56am

Physics
A person climbs from a Paris metro station to the street level by walking up a stalled escalator in 96.5 s. It takes 60.0 s to ride the same distance when standing on the escalator when it is operating normally. How long would it take for him to climb from the station to the ...
Thursday, September 20, 2012 at 10:33pm

Math
The perimeter of a rectangular deck is 175 feet. The length of the deck, L, is 6 feet longer than 2 times the width, W. Which system of equations can be solved to determine the length and width, in feet, of the deck? What is the correct formula and why? a) 2L+2W=175 L=2-6W b) ...
Thursday, September 20, 2012 at 9:59pm

Math
Can You help me with this question? The distance from the earth to the sun is about 1.5 X 10^8 km, while the distance from the earth to the moon is about 3.8 X 10^5 km. If a scale model of the solar system is constructed so that the distance from the Earth to the Sun is 100 ...
Thursday, September 20, 2012 at 12:32pm

Math
Solve each system of equations using substitution. 1.) x+3y=-4 y+x=0 2.) y=2x+3 5x-y=-3 3.) 2y=-4x 4x+2=-11
Wednesday, September 19, 2012 at 10:39pm

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