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February 28, 2015

Homework Help: Computers: Operating Systems

Recent Homework Questions About Operating Systems

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math
15. What is the solution of the linear-quadratic system of equations? y=x^2+5x-3 y-x=2
Tuesday, November 18, 2014 at 10:32am

Health help please!!!
Your body can get antibodies from A. immunizations B. being exposed to the virus or antibody and having your immune system make it C. none of the above D. all of the above I want to say the answer is D but the none of the above is throwing me off? Am I wrong?
Monday, November 17, 2014 at 11:52pm

Bio 11
How is lifestyle related to nervous system development?
Monday, November 17, 2014 at 8:32pm

Business: Help Is Needed ASAP
Help Is Needed ASAP Hi, Please help me! I need to know is these is the correct answer for these questions. Thanks for your help! Some countries try to hold the value of their currency within some range against an important reference currency. This is referred to as what? a. A ...
Monday, November 17, 2014 at 6:19pm

physica
help A thermally insulated vessel containing 100 grams of ice at 0 degrees Celsius . Water at 55 degrees celsius is poured and after some time , the system reaches the equilibrium at a temperature of 10 degrees Celsius. That amount of water in grams was placed . ( heat fusion...
Monday, November 17, 2014 at 5:39pm

Pre-Calculus
The solution of the system of three inequalities is given by a polygonal convex set. 8x + 2y ≥ 36 -3x + 6y ≤ 27 -7x + 5y ≥ -18 The function f(x,y) = 9x + 5y passes through this set. What values of (x,y) give f(x,y) its maximum value? A)(-3, 2) B)(-3, 6) C)(9...
Monday, November 17, 2014 at 1:47pm

Science
Which of the following displays the correct order of structures urine passes through as it is processed by the urinary system? nephron, ureter, urinary bladder, urethra ureter, urinary bladder, nephron, urethra urinary bladder, urethra, nephron, ureter urethra, nephron, ureter...
Monday, November 17, 2014 at 1:12pm

AP Chemistry
Which of the following statements is true regarding two points within a system? A. They will have different types of particles. B. They cannot interact with each other. C. They have different boundaries. D. They have the same internal energy. Im think the answer is d.
Monday, November 17, 2014 at 12:33pm

Math
Solve the nonlinear system by substitution {2x+y=5 {x^2+y^2=50
Monday, November 17, 2014 at 2:40am

P.E. help please
Your body gets antibodies from A. immunizations B. being exposed to the virus or antibody and having your immune system make it. C. none of the above D. All of the above I'm a little confused on which answer to pick between A and D.
Sunday, November 16, 2014 at 11:21pm

Statistics
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 eight shelves per ...
Sunday, November 16, 2014 at 8:51pm

law
What is the context of the juvenile justice system
Sunday, November 16, 2014 at 7:55pm

law
Are the juvenile courts doing enough to change the treatment of juveniles in the justice system?
Sunday, November 16, 2014 at 6:24pm

physics grade 11
1) In 2011, the total of all residential customers in Halton Region used 54 540 000 m3 of water. Halton Region has a population of around 500 000 people and Milton (part of Halton Region) has a population of around 85 000 people. Assuming all people in Halton use the same ...
Sunday, November 16, 2014 at 5:22pm

physics
1) In 2011, the total of all residential customers in Halton Region used 54 540 000 m3 of water. Halton Region has a population of around 500 000 people and Milton (part of Halton Region) has a population of around 85 000 people. Assuming all people in Halton use the same ...
Sunday, November 16, 2014 at 11:05am

physics
1) In 2011, the total of all residential customers in Halton Region used 54 540 000 m3 of water. Halton Region has a population of around 500 000 people and Milton (part of Halton Region) has a population of around 85 000 people. Assuming all people in Halton use the same ...
Saturday, November 15, 2014 at 5:34pm

physics
1) In 2011, the total of all residential customers in Halton Region used 54 540 000 m3 of water. Halton Region has a population of around 500 000 people and Milton (part of Halton Region) has a population of around 85 000 people. Assuming all people in Halton use the same ...
Saturday, November 15, 2014 at 5:33pm

physics
1) In 2011, the total of all residential customers in Halton Region used 54 540 000 m3 of water. Halton Region has a population of around 500 000 people and Milton (part of Halton Region) has a population of around 85 000 people. Assuming all people in Halton use the same ...
Saturday, November 15, 2014 at 5:29pm

physics
In the figure, a 4.3 kg block is accelerated from rest by a compressed spring of spring constant 660 N/m. The block leaves the spring at the spring's relaxed length and then travels over a horizontal floor with a coefficient of kinetic friction μk = 0.260. The ...
Saturday, November 15, 2014 at 1:03pm

marhs
A wheel is free to rotate about its fixed axle. A spring with constant k = 290 N/m is attached to one of its spokes a distance r = 23 cm from the axle, as shown in the figure. (a) Assuming that the wheel is a hoop of mass m = 490 g and radius R = 0.97 m, what is the angular ...
Saturday, November 15, 2014 at 11:04am

economics
A transport company purchased a truck for $40,000. The operating cost was $2,000 per month, with average revenues of $4,000 per month. The truck was sold for $16,000 after two years. The company's monthly rate of return was closest to: 3% 5% 7% 10%
Saturday, November 15, 2014 at 8:38am

HEALTH
1. during the exchange of air in your lungs, oxygen is being taken into your bloodstream while this substance is being released microorganisms** carbon dioxide plasma mucus 2. the gas exchange of oxygen to the bloodstream takes place in what part of respiratory system? pharynx...
Friday, November 14, 2014 at 12:36pm

Science
Fill in the blank... 1. ------ digestion occurs in the small intestine through the action of enzymes. 2. ------ can cause infections by injecting the DNA or RNA into hosts 3. The human immune system produces ------- in response to a vaccine, which later can bind to destroy a ...
Friday, November 14, 2014 at 11:52am

Stuck! Help!
Fill in the blank... 1. ------ digestion occurs in the small intestine through the action of enzymes. 2. ------ can cause infections by injecting the DNA or RNA into hosts 3. The human immune system produces ------- in response to a vaccine, which later can bind to destroy a ...
Friday, November 14, 2014 at 11:45am

Math
Which term best describes the solution of the situation represented by the system of inequalities? (Assume that x >= 0 and y >= 0.) 3x + 4y <= 8 2x + 4y <= 6 Answer choices given are: a. alternate optimal solutions b. one optimal solution c. unbounded d. infeasible...
Friday, November 14, 2014 at 9:03am

Finance
Are investors and speculator activities necessary to the system of production, or could businesses function just fine without them? Because I feel like sometimes businesses dont really have to resort to having to sell portions of there business to investors and stuff...
Thursday, November 13, 2014 at 5:40pm

Health
1. The muscular system is essential because it allows our bones to strengthen contract lengthen move 2. which muscle is attached to a bone by tendons? smooth muscle cardiac muscle skeletal muscle involuntary muscle 3. To prevent injury, each time you participate in a vigorous ...
Thursday, November 13, 2014 at 2:37pm

Physics help
A blacksmith at a historical reenactment is making an iron hinge. after placing the iron (0.750 kg) in the fire and shaping it with his hammer it is still at 200 C. he puts the iron piece in an 8 L bucket of water at 25 C. what is the final temp. of the iron (assume it is in ...
Thursday, November 13, 2014 at 1:16pm

Health
a main function of the skeletal system is to protect internal organs allow your body to move store and produce materials all of the above
Thursday, November 13, 2014 at 12:41pm

astronomy/physics
If the Solar System had formed right after the Big Bang, it would have lacked oxygen (O), and therefore water (H2O). Using the solar nebula theory, describe what would have been most different about the planet formation process and the planets formed in this alternative Solar ...
Thursday, November 13, 2014 at 8:47am

Chemistry (Equilibrium)
Consider the following equilibrium system at 900°C: H20(g) + CO(g) <==> H2(g) + CO2(g) Initially 5.0 moles of H2O and 4.0 moles of CO were reacted. At equilibrium, it is found that 2.0 moles of H2 are present. How many moles of H2O remain in the mixture? Would be ...
Wednesday, November 12, 2014 at 9:15pm

Can some one check my finance answers please
Which of the following best states the difference between seed capital and startup capital? Seed capital is for research and planning while startup capital is for operating expenses. Seed capital is provided by venture capitalists while startup capital is provided by banks. ...
Wednesday, November 12, 2014 at 8:36pm

Finance
Which of the following best states the difference between seed capital and startup capital? Seed capital is for research and planning while startup capital is for operating expenses. Seed capital is provided by venture capitalists while startup capital is provided by banks. ...
Wednesday, November 12, 2014 at 6:14pm

Physics
In a horizontal spring-mass configuration, the position of the 0.52 kg mass is described by [x = (1.09 m) sin(2.70t)] a) What is in meters the amplitude of these oscillations? b) What is in m/s the maximum speed of the mass under these conditions? c) What is in Joules the ...
Wednesday, November 12, 2014 at 5:57pm

Financing and Budget
Which of the following financial statements includes the assets, liabilities, and equity accounts of a business? A. Income statement B. Balance sheet C. Form W4 D. Operating budget B.
Tuesday, November 11, 2014 at 3:19pm

History
What are some aspects of the modern American political party system that began during the Jackson era? A.beginnings of political action committees and fundraising B.widespread campaigns for the popular vote, including fliers, slogans, and songs C.of campaign tours and town ...
Monday, November 10, 2014 at 11:26pm

History *PLEASE*
The ideas described in Group B would most likely be the beliefs of which political party? Group A - Favored higher protective traffis - supported a national banking system - wanted federal funds for internal improvement Group B -feared a mixed economy - were proponents of ...
Monday, November 10, 2014 at 10:32pm

History
The ideas described in Group B would most likely be the beliefs of which political party? Group A - Favored higher protective traffis - supported a national banking system - wanted federal funds for internal improvement Group B -feared a mixed economy - were proponents of ...
Monday, November 10, 2014 at 8:01pm

Ap History (Stuck on one last question , Please !
What are some aspects of the modern American political party system that began during the Jackson era? A) beginnings of political action committees and fundraising B) widespread campaigns for the popular vote, including fliers, slogans, and songs C) start of campaign tours ...
Monday, November 10, 2014 at 7:28pm

Physics
An green hoop with mass mh = 2.4 kg and radius Rh = 0.14 m hangs from a string that goes over a blue solid disk pulley with mass md = 2.2 kg and radius Rd = 0.1 m. The other end of the string is attached to a massless axel through the center of an orange sphere on a flat ...
Monday, November 10, 2014 at 3:10pm

college algebra
how to solve equation in the real number system, x^4 +12x^3 +10x^2-9x+9x+22=0
Sunday, November 9, 2014 at 6:36pm

college algebra
hw to solve equation in the real number system, x^4 +12x^3 +10x^2-9x+9x+22=0
Sunday, November 9, 2014 at 6:35pm

Physics
Two masses ( 2.3 kg and 4.2 kg) connected by a massless rope hung over opposite ends of a frictionless pulley. Each mass is initially 1.50 m above the ground, and the top of the pulley is 6.5 m above the ground. What maximum height does the lighter object reach after the ...
Sunday, November 9, 2014 at 6:07pm

Physics
Two objects are moving in the xy-plane. Object A has a mass of 3.2 kg and has a velocity of Va= (2.3 m/s)i + (4.2m/s)j and object B has a mass of 2.9 kg and has a velocity of Vb= (-1.8m/s)i + (2.7m/s)j. What is the total momentum of the system? (should I use dot product here?)
Sunday, November 9, 2014 at 4:28pm

Physics
An interacting system of two objects has no external force acting on the system. The first has a mass of 2.00kg and is moving with a velocity (2.00m/s)i + (1.00m/s)j at time t=0s. The second object has a mass of 3.00kg and is moving with a velocity (-1.00m/s)i + (1.00m/s)j at ...
Sunday, November 9, 2014 at 4:22pm

science
Why is the system of sun and planets called the solar system
Sunday, November 9, 2014 at 8:49am

Physics with Calculus
The system shown in the figure is in static equilibrium. The rod of length L and mass M is held in an unpright position. The top of the rod is tied to a fixed vertical surface by a string, and a force F is applied at the midpoint of the rod. The coefficient of static friction ...
Saturday, November 8, 2014 at 10:45pm

Physics help please
A blacksmith at a historical reenactment is making an iron hinge. after placing the iron (0.750 kg) in the fire and shaping it with his hammer it is still at 200 C. he puts the iron piece in an 8 L bucket of water at 25 C. what is the final temp. of the iron (assume it is in ...
Friday, November 7, 2014 at 9:36pm

Physics
A pendulum consists of a 2.1 kg stone swinging on a 3.6 m string of negligible mass. The stone has a speed of 7.9 m/s when it passes its lowest point. (a) What is the speed when the string is at 60° to the vertical? (b) What is the greatest angle with the vertical that the...
Friday, November 7, 2014 at 6:23pm

Signals & Systems
The suspension system of a car is modelled by the following differential equation: M*((d^2*y)/(d*t^2) + D*(dy/dt) + Ky( t ) = x( t ) where y(t) is the vertical position of the car body, x(t) is the external force coming from the ground acting on the car body, M is the mass of ...
Friday, November 7, 2014 at 3:22am

Chemistry due soon
What is enthalpy? A. Enthalpy is the kinetic energy of a system. B. Enthalpy is the heat involved in a reaction. C. Enthalpy is the temperature of a reaction. D. Enthalpy is the mass involved in a reaction. I think the answer is a or b
Thursday, November 6, 2014 at 10:45pm

Science 8A
Umm, can someone give me an example of a stable system? Also, how were you able to determine whether or not this system is stable? Please help! Urgent!
Thursday, November 6, 2014 at 1:13pm

science
brain central nervous system human being nerve tissue neurons Organize the parts of this body system in the CORRECT order according to the levels of organization in a multicellular organism, simplest to most complex..
Thursday, November 6, 2014 at 11:03am

College physics
In this problem you will estimate the heat lost by a typical house, assuming that the temperature inside is T(in) = 20 degrees celcius and the temperature outside is T(out) = 0 degrees celcius. The walls have fiberglass insulation, which dominates the heat conduction ...
Thursday, November 6, 2014 at 3:40am

physics
A ball is shot out of a spring and into a hollow ballast which then swings upwards 2.5 cm. The ball has a mass of 0.10 kg, the ballast has a mass of 0.50 kg and the spring constant is 500 N/m. How fast was the ballast-ball system moving immediately after impact? How fast was ...
Wednesday, November 5, 2014 at 10:19pm

ecnomics
4.During the energy crisis of the 1970s, and again in the last 5 years, Congress bemoaned the “price gouging” and “windfall” profits of the major oil companies. In the 1970s Congress imposed an “excess profits tax” on these companies. It did not ...
Wednesday, November 5, 2014 at 8:48pm

Math
A gardener grows roses, tulips, and sunflowers in an 18-acre public garden. This year, she wants to plant twice as many acres of sunflowers as acres of tulips. She also wants wants to plant 6 more acres of roses than of sunflowers. How many acres of each flower should the ...
Wednesday, November 5, 2014 at 6:28pm

Thermodynamics
12 kg of water in an insulated container is at 30 C. Initially, only 18 percent of the water is in the liquid phase. An electric heater, connected to a 120-V source and 9 A, is used to heat the system. Determine the time required to vaporize the entire water. Express your ...
Wednesday, November 5, 2014 at 12:09pm

Science
brain central nervous system human being nerve tissue neurons Organize the parts of this body system in the CORRECT order according to the levels of organization in a multicellular organism, simplest to most complex..
Wednesday, November 5, 2014 at 11:04am

MATH
Use the matrix method to solve the system of equations 2x + 4y = 8 and 6x + 3y = -3.
Wednesday, November 5, 2014 at 9:33am

physics
a standard coordinate system (+x to the right, +y upwards and +z out of the page) a particle with a positive charge is travelling in the +x direction when it encounters a magnetic field in the −y direction. In which direction will the magnetic force act on the particle?
Tuesday, November 4, 2014 at 8:41pm

Physics
A wheel is rotating freely with an angular speed of 4840rad/s on a shaft whose moment of inertia is negligible. A second wheel, initially at rest and with 8 times the rotational inertia of the first is suddenly coupled to the same shaft. a) What is the angular speed of the ...
Tuesday, November 4, 2014 at 6:07pm

physics
A 1100- kg car collides with a 1500- kg car that was initially at rest at the origin of an x-y coordinate system. After the collision, the lighter car moves at 20.0 km/h in a direction of 35 o with respect to the positive x axis. The heavier car moves at 23 km/h at -50 o with ...
Tuesday, November 4, 2014 at 5:45pm

physics
A one-piece cylinder is shaped as in the Figure, with a core section protruding from the larger drum. The cylinder is free to rotate around the central axis shown in the drawing. A rope wrapped around the drum, of radius 2.70 m, exerts a force F1 to the right on the cylinder. ...
Tuesday, November 4, 2014 at 4:01pm

physics
A block of mass m = 1.02 kg is suspended above the ground at a height h = 14.4 m by a spool with two arms. The spool-with- arms arrangement is a combination of a solid uniform cylinder of mass M = 3.43 kg and radius R = 0.440 m, and two rods, each of length l = 0.559 m and ...
Tuesday, November 4, 2014 at 3:18pm

physics
Two masses are connected by a light string passing over a frictionless pulley as shown on Figure. The M2= 6.1 kg mass is released from rest at height h = 2.8 m . We are given that M1=2.7 kg and I, the moment of inertia of the pulley is I = 0.198 kg m2 and its radius is R = 0....
Tuesday, November 4, 2014 at 2:50pm

Physics
A 1100- kg car collides with a 1500- kg car that was initially at rest at the origin of an x-y coordinate system. After the collision, the lighter car moves at 20.0 km/h in a direction of 35 o with respect to the positive x axis. The heavier car moves at 23 km/h at -50 o with ...
Tuesday, November 4, 2014 at 2:01pm

physics 1403
10kg mass is attached to a 5kg mass by a 20cm cord. The 5 kg mass is attached by a 30cm cord to a motor that rotates the entire mass/cord system 5rev/s in the horizontal plane. What is the tension in each cord?
Monday, November 3, 2014 at 11:22pm

Physics
Consider the rods plus disc system shown in the Figure. The rod has a length L =0.50 m, and mass M = 0.270kg. The large disc has a radius of R = 0.130m and mass m=0.810kg. The second disk should be treated as a point mass of 0.405kg. It is glued to the rod at position X = 0....
Monday, November 3, 2014 at 7:22pm

physics
Please help I cant breath with this qn, due today exam pending, thanks for taking your time to help. The human outer ear contains a more-or-less cylindrical cavity called the auditory canal that behaves like a resonant tube to aid in the hearing process. One end terminates at ...
Monday, November 3, 2014 at 5:55pm

Accounting
Hanover Corp. obtained the following information from its absorption costing accounting records: Operating Income = $24,000 Total Product Costs Incurred During The Period = $16,000 Value of Beginning Work-In-Process and Finished Goods Inventories = $0 Value of Ending Work-In-...
Monday, November 3, 2014 at 10:28am

criminal justice
how each player in the criminal justice system impacts the decision-making process.
Saturday, November 1, 2014 at 9:42pm

chemistry
The antacid in question (with an active ingredient of Ca(HCO3)2), upon treatment with excess hydrochloric acid, a 0.413 g sample gives 92.85 mL of CO2 at 25.00oC and 1.000 atm. What percentage of the antacid is active ingredient? Assume a perfect system (i.e. the yield is 100%)
Saturday, November 1, 2014 at 5:36pm

criminal justice
what is the impact of discretion with respect to the major players (prosecutor, defense attorney, judge, defendant and victim) in the judicial system
Saturday, November 1, 2014 at 3:41pm

Physics
Three particles X, Y, and Z of masses 2 kg, 5 kg, and 4 kg respectively are arranged in order along a straight line. Y is 5.0 m from X and 7.0 m from Z. The distance of the centre of mass of the system of mass from X is? ANS: 6.6 m Help please? I dont even know how to start :(
Saturday, November 1, 2014 at 8:57am

Management of Information Technology (IT 205)
Assignment System Evaluation Paper Write a 700- to 1,050-word paper identifying and describing how specific system used in an organization has transformed how the organization operates. Discuss how the business requirements drove the system's initial development. Describe ...
Friday, October 31, 2014 at 8:50pm

Physics
A block of mass m = 3.65 kg is attached to a spring (k = 27.5 N/m) by a rope that hangs over a pulley of mass M = 7.30 kg and radius R = 2.81 cm, as shown in the figure. a) Treating the pulley as a solid homogeneous disk, neglecting friction at the axle of the pulley, and ...
Friday, October 31, 2014 at 8:08pm

Physics
I was given this problem, and are having problems. I am taking AP Physics and I want to be able to understand the concept. Thank you for your help. A block of mass m = 3.65 kg is attached to a spring (k = 27.5 N/m) by a rope that hangs over a pulley of mass M = 7.30 kg and ...
Friday, October 31, 2014 at 12:26pm

Physics
A 3.20 kg mud ball has a perfectly inelastic collision with a second mud ball that is initially at rest. The composite system moves with a speed equal to one-half the original speed of the 3.20 mud ball. What is the mass of the second mud ball? kg
Thursday, October 30, 2014 at 8:02am

Chemistry (urgent)
1.Using Nerst, find the E of the cell for the dicromate redox system: A.under standard conditions. B.under neutral solutions instead of acid solutions. 2.Use Nerst and the hydrogen half equation to obtain an expression for pH.
Wednesday, October 29, 2014 at 10:10pm

math
A biker traveling with a velocity of 80 feet per second leaves a 100 foot platform and is projected directly upward. The function modeling the projectile motion of the biker is s(t)=-16t^2+80t+100,where s(t) is the height and t is the number of seconds the biker is in the air...
Wednesday, October 29, 2014 at 8:42pm

Chemistry
1.Using Nerst, find the E of the cell for the dicromate redox system: A.under standard conditions. B.under neutral solutions instead of acid solutions. 2.Use Nerst and the hydrogen half equation to obtain an expression for pH.
Wednesday, October 29, 2014 at 6:53pm

Hydraulic Physics
In a hydraulic system a 20.0-N force is applied to the small piston with cross sectional area 25.0 cm2. What weight can be lifted by the large piston with cross sectional area 50.0 cm2? Would I need to divide both pistons areas then mutiply the force? and or have gravity in ...
Wednesday, October 29, 2014 at 6:02pm

Fluid Mechanics
In a hydraulic system a 20.0-N force is applied to the small piston with cross sectional area 25.0 cm2. What weight can be lifted by the large piston with cross sectional area 50.0 cm2?
Wednesday, October 29, 2014 at 5:33pm

ms. sue
Multiple Choice 1. Which of the following terms refers to an object that orbits the sun and has enough gravity to be spherical but has not cleared the area of its orbit? (1 point) comet asteroid dwarf planet planet 2. Which of the following statements about the solar system&#...
Wednesday, October 29, 2014 at 4:30pm

science
Multiple Choice 1. Which of the following terms refers to an object that orbits the sun and has enough gravity to be spherical but has not cleared the area of its orbit? (1 point) comet asteroid dwarf planet planet 2. Which of the following statements about the solar system&#...
Wednesday, October 29, 2014 at 4:19pm

Physics
A 3.20 kg mud ball has a perfectly inelastic collision with a second mud ball that is initially at rest. The composite system moves with a speed equal to one-half the original speed of the 3.20 mud ball. What is the mass of the second mud ball? kg
Wednesday, October 29, 2014 at 12:52pm

World History Answer Check (Ms. Sue)
1. What were some of the difficulties faced by the new Latin American republics? A: Some of the difficulties faced by the new Latin American republics were the domination of society by the landed elites and persistent inequality. Large estates remained a way of life in Latin ...
Wednesday, October 29, 2014 at 11:24am

AP Chem
NO2 + H2 <-> NO + H2O [H2] = .30 mol/L [NO2] = .20 mol/L [NO] = [H20] = .70 mol/L @ 1000K A. What is the mole fraction of NO in the equilibrium mixture? B. Calculate Kc C. Determine Kp in terms of Kc D. If system is cooled to a lower temperature, 35% of NO is converted ...
Tuesday, October 28, 2014 at 10:53pm

physica
Consider the rods plus disc system shown in the Figure. The rods are identical. They have a length L =0.50 m, and mass M = 0.250kg. The disc has a radius of R = 0.130m and mass m=0.750kg. Both rods are glued to the disk as shown with X = 0.25m. The system behaves as a compound...
Tuesday, October 28, 2014 at 10:28pm

physics
Consider two masses m1 and m2, connected by a spring of spring constant k and an uncompressed length L. The masses are on a frictionless surface. Initially, m2 compresses the spring to L/2 length. At t=0 the system is released. Find the position of the center of mass of the ...
Tuesday, October 28, 2014 at 10:43am

math
Identify the solution of the system of equations if any -2x-4y=1 , 12y=-6x-3 is this no solution or (o,-1) (-1,0) or infinitelt many solution
Tuesday, October 28, 2014 at 8:55am

physics
Two people (from the 1950s!) sit on opposite sides of a uniform board of length L. One person, of mass m1 = 50.0 kg, sits at a point 1.90 m to the left of the fulcrum. The fulcrum is located at the center of the board. The other person, of mass 45.0 kg, sits at a point a ...
Tuesday, October 28, 2014 at 12:24am

physics
A small block of mass m = 225 g is released from rest at point circled A along the horizontal diameter on the inside of a frictionless, hemispherical bowl of radius R = 27.5 cm as shown in the figure below. (a) Calculate the gravitational potential energy of the block-Earth ...
Monday, October 27, 2014 at 4:06pm

Business
1. After operating for 10 years, Zipcar, earlier this year (2013), was bought for $500 million by Avis, a leader in the car rental industry. With the acquisition of Zipcar, Avis will now surpass its direct competitors, Hertz and Enterprise.The deal is expected to be finalized ...
Monday, October 27, 2014 at 3:50pm

ga history
1. which economic activities are most dependent on georgia's climate? a lumber and mining b imports and exports c agriculture and tourism d transportation and telecommunications 5. Metropolitan Atlanta's rapid growth has proven to be a major strain on the area's A...
Monday, October 27, 2014 at 2:39pm

physics
A person is pulled to the right on a sled (total mass of 60.1 kg) across the surface of a frozen pond with a force of 62.9 Newtons so that they move with a constant velocity. What is the force of friction acting on the sled? Choose your coordinate system so that upward, and to...
Monday, October 27, 2014 at 2:09pm

ga history
1. which economic activities are most dependent on georgia's climate? a lumber and mining b imports and exports c agriculture and tourism d transportation and telecommunications 2. the boundary between the piedmont and the coastal plain is known as the a foothills b fall ...
Monday, October 27, 2014 at 12:33pm

PLEASE HELP! SCIENCE
The system of blocks shown in the diagram below is being accelerated to the right at 4.4 m/s2 What is the applied force Small box mass- 0.10 kg Big box mass - 0.20 kg Acceleration - 4.4 m/s2 Coefficient kinetic - 0.35
Sunday, October 26, 2014 at 8:48pm

physics
The system of blocks shown in the diagram below is being accelerated to the right at 4.4 m/s2 What is the applied force Small box mass- 0.10 kg Big box mass - 0.20 kg Acceleration - 4.4 m/s2 Coefficient kinetic - 0.35
Sunday, October 26, 2014 at 8:25pm

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