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August 30, 2014

Homework Help: Computers: Operating Systems

Recent Homework Questions About Operating Systems

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

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

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

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

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

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

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

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

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

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

physics
Consider an ideal spring that has an unstretched length l0 = 3.9 m. Assume the spring has a constant k = 20 N/m. Suppose the spring is attached to a mass m = 6 kg that lies on a horizontal frictionless surface. The spring-mass system is compressed a distance of x0 = 1.7 m from...
Friday, October 11, 2013 at 9:46am

physics
Consider an ideal spring that has an unstretched length l0 = 3.9 m. Assume the spring has a constant k = 20 N/m. Suppose the spring is attached to a mass m = 6 kg that lies on a horizontal frictionless surface. The spring-mass system is compressed a distance of x0 = 1.7 m from...
Friday, October 11, 2013 at 4:40am

Physics
At low speeds (especially in liquids rather than gases), the drag force is proportional to the speed rather than it's square, i.e., F = -c_1*r*v , where c_1 is a constant. At time t = 0, a small ball of mass is projected into a liquid so that it initially has a horizontal ...
Thursday, October 10, 2013 at 8:01pm

physics
Object A is moving due east, while object B is moving due north. They collide and stick together in a completely inelastic collision. Momentum is conserved. Object A has a mass of mA = 17.5 kg and an initial velocity of = 8.50 m/s, due east. Object B, however, has a mass of mB...
Thursday, October 10, 2013 at 6:27pm

accouing
When sales are constant, but the production level fluctuates, net operating income determined by the variable costing method will:
Thursday, October 10, 2013 at 6:25pm

Physics
Consider an ideal spring that has an unstretched length l0 = 3.9 m. Assume the spring has a constant k = 20 N/m. Suppose the spring is attached to a mass m = 6 kg that lies on a horizontal frictionless surface. The spring-mass system is compressed a distance of x0 = 1.7 m from...
Thursday, October 10, 2013 at 3:31pm

statistics
Find the operating characteristics of this system. An airport ticket counter has a service rate of 180 per hour, exponentially distributed, with Poisson arrivals at the rate of 120 per hour
Thursday, October 10, 2013 at 11:44am

physics
Consider an ideal spring that has an unstretched length l0 = 3.9 m. Assume the spring has a constant k = 20 N/m. Suppose the spring is attached to a mass m = 6 kg that lies on a horizontal frictionless surface. The spring-mass system is compressed a distance of x0 = 1.7 m from...
Thursday, October 10, 2013 at 10:34am

FEEDBACK CONTROL SYSTEM
Figure below shows the block diagram of a dc-motor control system (note the dc-motor is represented by G(s)= K(s+3)/s(s+1)(s+2).The signal N(s) denotes the frictional torque at the motor shaft. a) Find the transfer function H(s) so that the output Y(s) is not affected by the ...
Thursday, October 10, 2013 at 4:33am

Physics
A block of mass m1 = 27 kg rests on a wedge of angle θ = 54∘ which is itself attached to a table (the wedge does not move in this problem). An inextensible string is attached to m1, passes over a frictionless pulley at the top of the wedge, and is then attached to ...
Thursday, October 10, 2013 at 1:35am

finance
Based on data from 1999 to 2001, the net sales (revenue) of Gatorade/Tropicana North America is R(t) = -107t2+496t+3452 million dollars and the operating profit is P(t) = −18.5t2 + 85.5t + 433 million dollars - where t is the number of years since 1999Profit = Revenue &#...
Wednesday, October 9, 2013 at 10:38pm

physics
You testify as an expert witness in a case involving an accident in which car A slid into the rear of car B, which was stopped at a red light along a road headed down a hill (see the figure). You find that the slope of the hill is θ = 14.0°, that the cars were ...
Wednesday, October 9, 2013 at 2:15pm

physics (elena)
A block of mass m1 = 28 kg rests on a wedge of angle θ = 47∘ which is itself attached to a table (the wedge does not move in this problem). An inextensible string is attached to m1, passes over a frictionless pulley at the top of the wedge, and is then attached to ...
Wednesday, October 9, 2013 at 1:05pm

finance
hey i cant figure this out can someone please help me Gatorade/Tropicana North America, a subsidiary of PepsiCo, produces fruit juices and other flavored beverages. Based on data from 1999 to 2001, the net sales (revenue) of Gatorade/Tropicana North America may be modeled by R...
Wednesday, October 9, 2013 at 12:40pm

physics
A block of mass m1 = 28 kg rests on a wedge of angle θ = 47∘ which is itself attached to a table (the wedge does not move in this problem). An inextensible string is attached to m1, passes over a frictionless pulley at the top of the wedge, and is then attached to ...
Wednesday, October 9, 2013 at 12:38pm

physics
A block of mass m1 = 28 kg rests on a wedge of angle θ = 47∘ which is itself attached to a table (the wedge does not move in this problem). An inextensible string is attached to m1, passes over a frictionless pulley at the top of the wedge, and is then attached to ...
Wednesday, October 9, 2013 at 9:56am

FEEDBACK CONTROL SYSTEM
Figure below shows the block diagram of a dc-motor control system (note the dc-motor is represented by G(s)= K(s+3)/s(s+1)(s+2).The signal N(s) denotes the frictional torque at the motor shaft. a) Find the transfer function H(s) so that the output Y(s) is not affected by the ...
Wednesday, October 9, 2013 at 7:47am

PHYSICS
A block of mass m1 = 28 kg rests on a wedge of angle θ = 47∘ which is itself attached to a table (the wedge does not move in this problem). An inextensible string is attached to m1, passes over a frictionless pulley at the top of the wedge, and is then attached to ...
Wednesday, October 9, 2013 at 5:38am

physics
A block of mass m1 = 28 kg rests on a wedge of angle θ = 47∘ which is itself attached to a table (the wedge does not move in this problem). An inextensible string is attached to m1, passes over a frictionless pulley at the top of the wedge, and is then attached to ...
Tuesday, October 8, 2013 at 6:22pm

physics
A block of mass m1 = 28 kg rests on a wedge of angle θ = 47∘ which is itself attached to a table (the wedge does not move in this problem). An inextensible string is attached to m1, passes over a frictionless pulley at the top of the wedge, and is then attached to ...
Tuesday, October 8, 2013 at 5:47pm

physics
A block of mass m1 = 28 kg rests on a wedge of angle θ = 47∘ which is itself attached to a table (the wedge does not move in this problem). An inextensible string is attached to m1, passes over a frictionless pulley at the top of the wedge, and is then attached to ...
Tuesday, October 8, 2013 at 3:29pm

physics
A block of mass m1 = 28 kg rests on a wedge of angle θ = 47∘ which is itself attached to a table (the wedge does not move in this problem). An inextensible string is attached to m1, passes over a frictionless pulley at the top of the wedge, and is then attached to ...
Tuesday, October 8, 2013 at 3:06pm

U.S. Government and Politics
Can anyone help me on this question?? Describe how our Federalist system works in America. /:)
Tuesday, October 8, 2013 at 8:46am

operating system
A database structure can be changed by?
Tuesday, October 8, 2013 at 12:07am

Math
THC, the active ingredient in marijuana, is said to have a half-life of about one day. If someone ingests 3 grams of THC, write an equation to represent M, the amount of marijuana in his system when he tested d days later.
Monday, October 7, 2013 at 6:29pm

Algebra, help needed
I need help I don't know how to solve this system Solve the following system. Show all your work 3x-2y+2z= 30 -x+3y-4z= -33 2x-4y+3z= 42
Monday, October 7, 2013 at 10:24am

Algebra
I need help I don't know how to solve this system Solve the following system. Show all your work 3x-2y+2z= 30 -x+3y-4z= -33 2x-4y+3z= 42
Monday, October 7, 2013 at 9:53am

Chem
An 80.0-gram sample of a gas was heated from 25 °C to 225 °C. During this process, 346 J of work was done by the system and its internal energy increased by 6635 J. What is the specific heat of the gas?
Sunday, October 6, 2013 at 9:19pm

Chem
An 80.0-gram sample of a gas was heated from 25 °C to 225 °C. During this process, 346 J of work was done by the system and its internal energy increased by 6635 J. What is the specific heat of the gas?
Sunday, October 6, 2013 at 9:19pm

Materials Science & Physics
Consider a tetragonal phase of which the lattice parameters satisfy c = 2a. Diffusivities of the phase were measured in two different directions as: 6.0x10-12 cm2/sec along [101] and 8.0x10-12 cm2/sec along [001]. (a) Determine the diffusivity tensor (Dij) expressed with ...
Sunday, October 6, 2013 at 12:58am

Civics
What countries (if there is any) avoid the US's manufacturing because they do not want to switch Imperial system to the metric system?
Saturday, October 5, 2013 at 7:55pm

Civics or S.S
What countries (if there is any) avoid the US's manufacturing because they do not want to switch Imperial system to the metric system? Thanks for the help! ~Kimmy
Saturday, October 5, 2013 at 7:10pm

CONTROL SYSTEM
HELP,PLS HELP..I NEED ANSWER FOR ECEN 4413 AUTOMATIC CONTROL SYSTEMS SPRING 2005 MIDTERM EXAM..I CANNOT FIND ANSWERS IN THE INTERNET.PLS HELP IF YOU KNOW WHERE TO DOWNLOAD THE SOLUTION MANUAL..OR YOU KNOW THE ANSWER!!THANK YOU
Saturday, October 5, 2013 at 5:38am

Math
A paddle on an antique windmill needs to be visually inspected by a repairmen while the windmill is operating. The paddle can be seen by the repairman when it is at a height of 1.9m on its downward path. If the height of the paddle can be represented by the function, y=1.2764 ...
Friday, October 4, 2013 at 3:59pm

Algebra
Which ordered triple is a solution of this system? 2x+y-z=7 -x-2y+4z=-15 x+2y=5z=17 (-2, 6, -5) (1, 3, 2) (2, 5, -2) (3, 1, 0)
Friday, October 4, 2013 at 12:30pm

Algebra
What is the value of x in the solution of this system? -3x-y+2z = 7 2y+z= -5 3x+6y= -21 4 2 1 3
Friday, October 4, 2013 at 12:26pm

Thermodynamics
The initial state consists of a closed system containing one mole of water (liquid) at 85°C and 1 atmosphere pressure. The immediate surroundings are also at 85°C and 1 atmosphere pressure. The change in state is described as this one mole of liquid forming vapor at 85...
Thursday, October 3, 2013 at 3:33pm

physics
In the apparatus shown in the figure (Figure 1) , m1 = 10kg and the coefficients of static and kinetic friction between m1 and the table are 0.69 and 0.32, respectively. Part A What mass of m2 will just barely set the system in motion?
Thursday, October 3, 2013 at 3:13pm

Electricity and Electronics
1. A transformer has a primary voltage of 115 V and a secondary voltage of 24 V. If the number of turns in the primary is 345, how many turns are in the secondary? A. 8 B. 690 C. 72 D. 1,653 2. To use your left hand to determine the direction of the voltage developed in a ...
Thursday, October 3, 2013 at 1:47pm

Health
Which of the following lipoproteins carries dietary fat that is absorbed into the digestive system to the liver and body cells for use? a. Chylomicrons b. High density lipoprotein c. Micelle d. Low density lipoproteins I think its A is that correct?
Wednesday, October 2, 2013 at 7:23pm

Science- Ms. Sue or DrBob222?
A student measures a rectangular room to be 20.0 m X 17.16 m. Which of the numbers below represents the room’s area with the correct number of significant figures? a. 340 m^2 b. 343 m^2 c. 343.2 m^2 d. 343.20 m^2 B Which component of the technological system is activated ...
Wednesday, October 2, 2013 at 3:48pm

Science
A student measures a rectangular room to be 20.0 m X 17.16 m. Which of the numbers below represents the room’s area with the correct number of significant figures? a. 340 m^2 b. 343 m^2 c. 343.2 m^2 d. 343.20 m^2 B Which component of the technological system is activated ...
Wednesday, October 2, 2013 at 12:32pm

Science
Why do scientists use models of natural systems? a. Scientists use models of natural systems because these systems are often too large, too small, or too complex to study directly. b. Scientists use models of natural systems because they like to use art in science. c. ...
Wednesday, October 2, 2013 at 12:01pm

History!!
PLEASE PLEASE PLEASE HELP ME!! <3 1. Which of the following describes the role of an anthropologist? (1 point) a person who studies the origin and development of humans*** a person who searches for artifacts from prehistoric people a person who excavates remains from early ...
Tuesday, October 1, 2013 at 2:39pm

History!
***IGNORE THE CHARTS/GRAPH QUESTIONS!! UNLESS YOU KNOW THE ANSWER OR HAVE SEEN THE CHARTS! THANKS!! :) *** For whom was South Carolina named? (1 point) Queen Caroline King Charles I**** King Charles II Queen Elizabeth 2. What is an important reason to study the history of a ...
Tuesday, October 1, 2013 at 9:49am

physics
A block of mass m1 = 13.5 kg rests on a wedge of angle θ = 27∘ placed over a table.. An inextensible string is attached to Block M1, passes over a frictionless pulley at the top of the wedge, and is then attached to another block of mass M2 = 3 kg. The coefficient ...
Tuesday, October 1, 2013 at 2:15am

science please help
Also why don't we accept the Metric System as it in now used in other countries?
Monday, September 30, 2013 at 7:57pm

Science
Which statement best describes the relationship between science and technology? A. The goal of science is to gain an understanding of the natural world, while the goal of technology is to use that understanding to improve people's lives. B. The goal of science is to create...
Monday, September 30, 2013 at 7:54pm

AP Chemistry
What would be the final temperature of the system if 20 g of lead at 100◦C are dropped into 20 g of water at 30 ◦C in an insulated container?
Monday, September 30, 2013 at 4:34pm

Math (College Pre-Cal)
The exact conversion between the English measurement system and the metric system is given by the equation 1 inch= 2.54 cm. Let f(x) be the number of miles in x meters. Find a formula for f(x). Give an exact answer.
Sunday, September 29, 2013 at 11:06pm

Math
Solve the system by substitution or elimination. x^2 + 2y^2 = 8 x^2 - y^2 = 1
Sunday, September 29, 2013 at 10:26pm

delftx
We are going to build a PV system on a roof of 10m2, and we have two possible PV modules: (1) A first generation module with efficiency η=17% and cost of 0.80€/Wp. (2) A second generation PV module with efficiency η=10% and cost of 0.40€/Wp. The non-modular...
Sunday, September 29, 2013 at 9:54pm

science
which component of the technological system is achieved when your camera takes a photograph ? a) input b) feedback c) goal d) constraint
Sunday, September 29, 2013 at 8:23pm

physics
In the system shown in the figure below, a horizontal force Fvecx acts on the 7.00 kg object (m1). The horizontal surface is frictionless. (a) For what values of Fx does the 1.00 kg object (m2) accelerate upward?
Friday, September 27, 2013 at 6:17pm

Economics
Suppose that there are 1,000 hot-pretzel stands operating in Toronto. Each stand has the usual U-shaped average total cost curve. Both the market demand curve and the supply curve for pretzels are linear, and the market for pretzels is in long-run competitive equilibrium. a) ...
Friday, September 27, 2013 at 11:20am

Chemistry
At room temperature, 80.0 ml of 0.125 M AgNO3(aq) and 20.0 ml of 0.500 M Fe(NO3)2(aq) are mixed together, generating the following equilibrium system Ag+ (aq) + Fe2+(aq) Ag(s) + Fe3+(aq). At equilibrium, the concentration of Fe3+ is 0.00505 M. (a) (4 pts) Calculate the initial...
Friday, September 27, 2013 at 12:54am

Physics
A plane, diving with constant speed at an angle of 52.0° with the vertical, releases a projectile at an altitude of 790 m. The projectile hits the ground 6.00 s after release. (Assume a coordinate system in which the airplane is moving in the positive horizontal direction...
Thursday, September 26, 2013 at 8:00pm

Physics
A plane, diving with constant speed at an angle of 52.0° with the vertical, releases a projectile at an altitude of 790 m. The projectile hits the ground 6.00 s after release. (Assume a coordinate system in which the airplane is moving in the positive horizontal direction...
Thursday, September 26, 2013 at 7:21pm

Science
1) Which of the following is a valid reason why a scientist might reject a scientific theory? (1point) Some people disagree with it. It covers too broad a topic. New evidence contradicts it.*** It is too old. 2) A scientific hypothesis must be (1point) Correct Able to be ...
Thursday, September 26, 2013 at 2:35pm

Grammar Advisor
I just cannot figure out if these answers are correct or not. Can you please help me? 78. If the sound system hadn’t failed, last night’s show would have been better. This is a correct sentence using the 1st conditional form. x This is a correct sentence using the ...
Wednesday, September 25, 2013 at 10:13pm

Geography (Ms, Sue)
How might a road system have helped to hold the Inca empire together? A: As the Inca empire was mainly located in the Andes mountains, a road system might have helped to hold the Inca empire together as it crossed mountains and deserts to link the empire.
Wednesday, September 25, 2013 at 5:43pm

Science!
1) Which statement best describes the relationship between science and technology? (1point) The goal of science is to gain an understanding of the natural world, while the goal of technology is to use that understanding to improve people’s lives.*** The goal of science is...
Tuesday, September 24, 2013 at 8:16pm

Science!
1) Which statement best describes the relationship between science and technology? (1point) The goal of science is to gain an understanding of the natural world, while the goal of technology is to use that understanding to improve people’s lives.*** The goal of science is...
Tuesday, September 24, 2013 at 7:49pm

language
1.which factor is most helpful in helping technology to progress? a) unintended consequences b) a better understanding of the natural world c) risk-benefit analysis d)obsolete technologies 2. an oven is a technological system. which of the following describes into this system...
Tuesday, September 24, 2013 at 3:51pm

Mathematics
Anna burned 15 calories per minute running for x minutes and 10 calories per minute hiking for y minutes. She spent a total of 60 minutes running and hiking and burned 700 calories. The system of equations shown below can be used to determine how much time Anna spent on each ...
Tuesday, September 24, 2013 at 2:07pm

chemisry
What are the specializations of sanitary engineering? Drinking water supply Sewage Wastewater treatment 2) Name the different parts of the drinking water supply system? Production Storage Distribution 3) Which of the following three systems can be discerned when producing ...
Tuesday, September 24, 2013 at 11:55am

physics
a golf ball of mass 0.045kg is moving in the x-direction with a speed of 9.0 m/s, and a baseball with mass 0.145kg is moving in a negative y-directionwith a speed of 7m/s. what are the magnitude and direction of the total momentum of the system consisting of the two balls?
Monday, September 23, 2013 at 12:08am

physics
A .436 kg mass is attached to a spring and executes simple harmonic motion with a period of .19s. The total energy of the system is 4.6 J. find force constant of the spring. Answer in units of N/m
Sunday, September 22, 2013 at 10:40pm

physics
A puck is moving on an air hockey table. Relative to an x, y coordinate system at time t = 0 s, the x components of the puck's initial velocity and acceleration are v0x = +2.5 m/s and ax = +5.2 m/s2. The y components of the puck's initial velocity and acceleration are ...
Sunday, September 22, 2013 at 4:54pm

Science
Family Smith is interested in buying a solar energy system. After some search on internet they have found two different systems that they are considering. System A is a PV system based on multicrystalline silicon solar cells and System B is a PV system based on amorphous ...
Saturday, September 21, 2013 at 7:19pm

body system
a 63 year old man has become progressively hard of hearing. hes a retired airplane maechanic. what kind of hearing loss is this man most likely to have
Saturday, September 21, 2013 at 2:58pm

Science
Turning on the switch in a flashlight starts a chemical reaction in the batteries. The chemical energy is turned to light energy and the flashlight lights up. Which part of this system is an example of a process? Turning on the switch is a process. The conversion of chemical ...
Friday, September 20, 2013 at 10:14am

English
Decide which of the two reasons offered in each instance will be more persuasive to the specified audience.Write out the implied warrant for each "because" clause and explain whether the specific audience will likely grant it or not. 1)Audience:people who advocate a ...
Thursday, September 19, 2013 at 10:46pm

Math
In 1990, the population of Cheyenne, Wyoming, was 73,142. By 2000, the population had increased to 81,607. Write and solve an equation to find, the increase in Cheyenne’s population from 1990 to 2000. Mercury’s surface temperature has a range of 600 digress. This ...
Thursday, September 19, 2013 at 10:41pm

Science
Turning on the switch in a flashlight starts a chemical reaction in the batteries. The chemical energy is turned to light energy and the flashlight lights up. Which part of this system us an example of a process? a. Turning on the switch is a process. b. The conversion of ...
Thursday, September 19, 2013 at 9:51pm

math
Find the ordered quintuplet (a,b,c,d,e) that satisfies the system of equations a+2b+3c+4d+5e=177, 2a+3b+4c+5d+e=154, 3a+4b+5c+d+2e=146, 4a+5b+c+2d+3e=138, 5a+b+2c+3d+4e=165 This a really hard questioon but don't give up, please.
Thursday, September 19, 2013 at 7:41pm

Science!
I rlly need to make sure these are correct. 3) Turning on the switch in a flashlight starts a chemical reaction in the batteries. The chemical energy is turned to light energy and the flashlight lights up. Which part of this system is an example of a process?(1point) Turning ...
Thursday, September 19, 2013 at 7:36pm

Science
Turning on the switch in a flashlight starts a chemical reaction in the batteries. The chemical energy is turned to light energy and the flashlight lights up. Which part of this system us an example of a process? a. Turning on the switch is a process. b. The conversion of ...
Thursday, September 19, 2013 at 7:05pm

Science
1) Why do scientists use models?(1point) Scientists use models to learn about things that are too small, too large, or to complex to observe directly. Scientists use models because doing so is always part of the scientific method. Scientists use models because they work ...
Thursday, September 19, 2013 at 6:51pm

Geography
Which statements describe the geographic theme of regions? Select all that apply. Different types of regions have little or no effect upon each other. Climate regions are defined by their average temperature and their political system. Physical regions can be formed by ...
Thursday, September 19, 2013 at 3:43pm

science
Turning on the switch in a flashlight starts a chemical reaction in the batteries. The chemical energy is turned to light energy and the flashlight lights up. Which part of this system us an example of a process? a. Turning on the switch is a process. b. The conversion of ...
Thursday, September 19, 2013 at 12:53pm

science
Turning on the switch in a flashlight starts a chemical reaction in the batteries. The chemical energy is turned to light energy and the flashlight lights up. Which part of this system us an example of a process? a. Turning on the switch is a process. b. The conversion of ...
Thursday, September 19, 2013 at 11:05am

algebra
Solve the system by substitution: -4.5x-2y=-12.15 3.25x-y=-0.75
Wednesday, September 18, 2013 at 3:26pm

INF103: Computer Literacy
Which of the following components was a significant development featured in the Macintosh LISA computer? (Points : 1) C Prompt Disk Operating System Graphical User Interface) Memory
Tuesday, September 17, 2013 at 12:18pm

physics
A .255 kg mass is attached to a spring and executes simple harmonic motion with a period of .56 s. The total energy of the system is 3.6 J. Find the force constant of the spring. Answer in units of N/m
Monday, September 16, 2013 at 7:35pm

FIN
Question 2 Archer Daniels Midland Company is considering buying a new farm that it plans to operate for 10 years. The farm will require an initial investment of $12.00 million. This investment will consist of $2.00 million for land and $10.00 million for trucks and other ...
Monday, September 16, 2013 at 10:53am

physics
(a) What is the hot resistance of a 24 W light bulb that runs on 120 V AC? (b) If the bulb's operating temperature is 2700°C, what is its resistance at 2570°C?
Sunday, September 15, 2013 at 9:46pm

physics
(a) What is the hot resistance of a 24 W light bulb that runs on 120 V AC? (b) If the bulb's operating temperature is 2700°C, what is its resistance at 2570°C?
Sunday, September 15, 2013 at 8:03pm

Park University
The number of arrivals per period is distributed according to the Poisson with an expected value of 0.75 unit per period. The cost of waiting per unit per period is $3.20. The facility cost for serving one unit per period is $5.15. What expected service rate should be ...
Sunday, September 15, 2013 at 4:51pm

Math
Suppose that the service rate to a waiting line system is 10 customers per hour (exponentially distributed). Analyze how the average waiting time is expected to change as the arrival rate varies from two to ten customers per hour (exponentially distributed)
Saturday, September 14, 2013 at 5:17pm

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