Wednesday
September 28, 2016

Homework Help: Computers: Operating Systems

Recent Homework Questions About Operating Systems

body system
7.)During the exchange of air in your lungs, your body seeks to keep oxygen and release ____________which will then exit your body A.)Microorganisms B.)Carbon Dioxide C.)Plasma D.)
Friday, March 11, 2016 by #FreeGucci

Check answers?
Your elbow and knee are examples of ligaments. joints.**** cartilage. angles. The muscular system allows our bones to strengthen. contract. lengthen. move.**** This muscle helps to transport blood to and from the heart. smooth muscle cardiac muscle**** skeletal muscle ...
Friday, March 11, 2016 by MsHemmoPenguin

Social Studies HELP
2. Which was a part of the Populist Party’s platform? (1 point) tax breaks for farmers*** civil rights for all Americans higher tariffs on foreign goods increased industrial development 3. Whom did Rebecca Latimer Felton replace when she was appointed a senator in the ...
Thursday, March 10, 2016 by James

physics
A binary star consists of two dense sphereaty masses of 10rest power 30 kg and 2 x 10rest power 30kg. Whose centres are 10rest power7km apart and which rotate togethe with angula velocity w about an axis which intersects a line joining their centres - show that if the only ...
Thursday, March 10, 2016 by ugochukwu

chem 12
for the equilibrium 2HI(g)--- H2(g) + I2 k eq = 8.0 2.0 mol of HI are placed in a 4.0 L container, and the system is allowed to reach equilibrium. Calculate the equilibrium concentration of all three gases. Inital 2HI 0.5mol/l H2 =0 I2=0 change 2HI= -2x H2=+x I2=+x equilibrium...
Thursday, March 10, 2016 by George

Biology
Multicellular organisms use a variety of communication methods to coordinate cell function. Choose ONE of the following examples below and describe the cell-to-cell communication that occurs, and then describe the types of responses that result from this communication. ...
Thursday, March 10, 2016 by nan

Biology
Describe the G protein receptor system and the tyrosine-kinase receptor system. Explain how these two systems are similar and how these two systems are different, in terms of structure and function please.
Thursday, March 10, 2016 by nan

MATH
The LRT trolley system 10 miles long is fed by two substations that generate 600 volts and 560 volts, respectively. the resistance of the trolley wire and rail return is 0.3 ohm per mile. if the car located 4 miles from the 600-volt station draws 200A from the line, how much ...
Thursday, March 10, 2016 by TOMMY

Physics
The melting point of aluminum is 660°C, its latent heat of fusion is 4.00 × 105 J/kg, and its specific heat is 900 J/kg • K. If 300 kJ of heat are added to 442 g of aluminum at 100°C, what is the final state of the system? That is, how much is liquid, how ...
Thursday, March 10, 2016 by MB

science
what is the number of cycles an oscillator completes in one second is known? what is a force that always acts to pull a system back toward its equilibrium position? what is the distance from one point on a wave to the same point in the next cycle of the wave called? what is ...
Wednesday, March 9, 2016 by arianna

physics
A charge q1 = 5 nC is located at the origin of xy copedinate system, and a charge of q2 = -2 nC is located on the y-axis at y =.30m. Find the components of the electric field and its magnitude and direction at a point P with coordinates (.40m, .30m).
Wednesday, March 9, 2016 by micah

Social Studies
2. The new boundary line set by the Adams-Onis Treaty had which of these effects? A.) It created a system of dual governance in Florida. B.) It represented the completion of Manifest Destiny.**** C.) It began the decline of Spain's New World empire. D.) It allowed the ...
Wednesday, March 9, 2016 by James

chem 12
2H2S(g)---2H2(g) + S2 delta H=220KJ k eq is 0.40 a 10.0L vessel containing 2.0 mol of H2S, 2.2 mol of H2, and 2.5 mol of S2 Calculate a trail k eq value to see whether the reaction is at equilibrium. trail k eq =(h2)^2(S2)/(H2S)^2 = (0.22)^2(0.25)/(0.2)^2 = 0.3025 therefor keq...
Wednesday, March 9, 2016 by George

chem12
1.0 mol of each of the gases, CO, H20, CO2 and H2 are placed in a 2.00L container and allowed to reach equilibrium. It is found at equilibrium 0.40 mol of CO is present. Calculate the value of K eq for the system. C0(g) + H20(g)--- CO2(g) + H2(g) Intial CO= 0.5 mol/L H20= 0.5 ...
Wednesday, March 9, 2016 by George

health
What does BRFSS stand for? A. Behavioral Risk Formulation Sensation System B. Behavioral Risk Factor Sensation System C. Behavioral Rumination Factor Surveillance System D. Behavioral Risk Factor Surveillance System
Wednesday, March 9, 2016 by Martin1162

PHYSICS ( PERIODIC MOTION)
In a lab, a student measures the unstretched length of a spring as 12.9 cm. When a 113.6-g mass is hung from the spring, its length is 26.3 cm. The mass-spring system is set into oscillatory motion, and the student observes that the amplitude of the oscillation decreases by ...
Wednesday, March 9, 2016 by MUSTAFA GHANIM

chem12
for the equilibrium 2HI(g)--- H2(g) + I2 k eq = 8.0 2.0 mol of HI are placed in a 4.0 L container, and the system is allowed to reach equilibrium. Calculate the equilibrium concentration of all three gases. Inital 2HI 0.5mol/l H2 =0 I2=0 change 2HI= -2x H2=+x I2=+x equilibrium...
Tuesday, March 8, 2016 by George

health
1. The skeletal system is created to ____________ internal organs. A) protect <------------------- B) maintain C) support D) hide 2. Your elbow and knee are examples of A) ligaments. B) joints. <-------------------- C) cartilage. D) angles. 3. The muscular system allows ...
Tuesday, March 8, 2016 by Jake

Physics 1
A golf ball of mass 125 g hits a billiards ball of mass 172.5 g that is initially at rest. After the collision, the golf ball moves to the right at a speed of 10 cm/s. The billiards ball moves to the left with a speed of 58 cm/s. (a) What was the velocity of the golf ball ...
Tuesday, March 8, 2016 by David

History
1.)which describes a belief of the progressive movement ? A.) the belief that government could correct ills of society B.) the belief that idividual citizens could work to improve social problems C.) the belief that business and the free enterprise system could best improve ...
Tuesday, March 8, 2016 by Sammy

physics
A 12.0-g piece of clay is launched horizontally at a 102-g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring having spring constant 52 N/m. The piece of clay sticks to the side of the block. If the clay-block system ...
Tuesday, March 8, 2016 by sherry

physics
Consider the system shown in the diagram. The pulley is a uniform cylinder with mass m3 = 0.60 kg and radius R = 4.0 cm, the other two masses are m1 = 2.5 kg and m2 = 1.0 kg, and á = 30o. Assume the rope is massless, there is no slipping of the rope on the pulley, and ...
Tuesday, March 8, 2016 by sam

phy 231
A block of mass 0.39 kg connected to a spring with spring constant 30 N/m is oscillating on a frictionless horizontal surface. Its speed as it passes through its equilibrium position is 0.5 m/s. What is the total energy of the system in J?
Tuesday, March 8, 2016 by Andrea

History
1.)which describes a belief of the progressive movement ? A.) the belief that government could correct ills of society B.) the belief that individual citizens could work to improve social problems C.) the belief that business and the free enterprise system could best improve ...
Monday, March 7, 2016 by Sammy

Calculus
The City Electric System(CES) recently constructed a major transmission line along parts of South Street in the city. The transmission lines are strung between power poles and the hanging lines form a catenary curve. For this Problem we will use the following equation y=(T/w)...
Monday, March 7, 2016 by Jay

Social Studies
Why did democracy develop during the Roman Republic? Members of lower social classes began to demand representation in government. Romans wanted to prevent one leader from gaining too much power. Romans wanted to model their system of government after ancient Athens. Members ...
Monday, March 7, 2016 by Sam

Trig sum please help
Write the augmented matrix, and then solve the system, using Gauss Jordan elimination on the augmented matrix. x + 2y - z = 4 -2x + y - 4z = -6 4x - 3y + 2z = -10
Monday, March 7, 2016 by Crystal

physics
A 12.0-g piece of clay is launched horizontally at a 102-g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring having spring constant 52 N/m. The piece of clay sticks to the side of the block. If the clay-block system ...
Monday, March 7, 2016 by sherry

Social Studies
Which of the following is a example of how the government of the roman republic contribute to the democratic? It was based on a Dictatorship It was based on a tripartite system It was based on a triumvirate system It was based on a written set of laws I think it is the second one
Monday, March 7, 2016 by Sam

histoy please help
Which of the following happened in the S.C during reconstruction? a. The state developed an oil industry ** b. The state stopped cotton production c. The state built an iron industry d. The state rebuilt its railroad system Which of the following was a cause of tremendous ...
Monday, March 7, 2016 by cutie

Social Studies
Which describes a belief of the progressive movement? (1 point) the belief that government could correct the ills of society the belief that individual citizens could work to improve social problems the belief that business and the free enterprise system could best improve ...
Monday, March 7, 2016 by Anonymous

English
I thought it was C for this Victor Frankenstein recounts the influences that lead to his great experiment: I feel exquisite pleasure in dwelling on the recollections of childhood, before misfortune had tainted my mind and changed its bright visions of extensive usefulness ...
Sunday, March 6, 2016 by Henry

History
Q: The Gadsden Purchase enabled the United States to do which of the following? A. Gain access to important natural resources in the Southwest B. Increase crop production in the Southwest C. Link to the Southwest by railway system D. Provide better defenses against Mexico
Sunday, March 6, 2016 by jai

trig gauss jordan
Write the augmented matrix, and then solve the system, using Gauss Jordan elimination on the augmented matrix. x + 2y - z = 4 -2x + y - 4z = -6 4x - 3y + 2z = -10
Sunday, March 6, 2016 by shawn

physics
. 0.30m ....|______|_________________________ ....|...../\ ...|_| <-- box with unknown mass In the figure, the meterstick's mass is 0.200 kg and the string tension is 2.50 N . The system is in equilibrium. Find the (a) unknown mass m and (b) the upward force the fulcrum...
Sunday, March 6, 2016 by lizbeth

Operations Management
Consider the following system: -> 0.73 -> 0.73 -> Determine the probability that the system will operate under each of these conditions: (Round your final answers to 4 decimal places, not your intermediate calculations.) a.) The system as shown b.) Each system ...
Sunday, March 6, 2016 by Grace

Math
Solve the system of equations using substitution, elimination by addition, or augmented matrix methods (your choice). Show work. 3𝑥 − 2𝑦 = 5 5𝑥 + 3𝑦 = 21
Sunday, March 6, 2016 by Ted

Physics
Does the total kinetic energy of an isolated system necessarily have to be conserved when its total momentum is conserved?
Saturday, March 5, 2016 by Terry

Physics 2
Two boxes are connected by a light string that passes over a light, frictionless pulley. One box rests on a frictionless ramp that rises at 30° above the horizontal (see the Figure below), and the system is released from rest. (a) Which way will the 50kg box move, up the ...
Friday, March 4, 2016 by David

Physics
Two boxes are connected by a light string that passes over a light, frictionless pulley. One box rests on a frictionless ramp that rises at 30° above the horizontal (see the Figure below), and the system is released from rest. (a) Which way will the 50kg box move, up the ...
Friday, March 4, 2016 by David

health
Drugs work in the brain by tapping into the brain’s communication system and ________ with the way nerve cells normally send, receive, and process information. A. Exploring B. Assisting C. Interfering D. All of the above
Friday, March 4, 2016 by angelboo

US history
The gadsden purchase enabled the united states to do which of the following? A. gain access to important natural resources in the southwest B. increase crop production in the southwest C. link to the southwest by railway system D. provide better defenses against mexico
Friday, March 4, 2016 by jai

Biology
Multicellular organisms use a variety of communication methods to coordinate cell function. Choose ONE of the following examples below and describe the cell-to-cell communication that occurs, and then describe the types of responses that result from this communication. ...
Friday, March 4, 2016 by nan

Biology
Describe the G protein receptor system and the tyrosine-kinase receptor system. Explain how these two systems are similar and how these two systems are different, in terms of structure and function please.
Friday, March 4, 2016 by nan

geography
Because of her reform activities, which group would not have supported Rebecca Latimer Felton? (1 point) supporters of educational opportunities for all citizens of the state supporters of the suffrage movement to gain voting rights for women supporters of the convict lease ...
Thursday, March 3, 2016 by Anonymous

Astronomy
Newton’s version of Kepler’s third law is P^2 = 4pi^2/(G(M_1+M_2)) a^3. Since the square of the period P varies inversely with the sum of the masses (M_1 + M_2), the period itself depends on the inverse square root of the object masses. If a solar system has a star ...
Thursday, March 3, 2016 by Annonymous

health
What are examples of being physically active? A. Baking a cake with the family B. Playing Xbox gaming system while sitting in front of the television C. A brisk walk in the morning D. Planning an exercise regimen
Thursday, March 3, 2016 by nelly

Physics
The system of nine small 3 kg objects is rotating at an angular speed of 6 rev/s. The objects are connected by light, flexible spokes that can be lengthened or shortened. What is the new angular speed if the spokes are shortened from 6 m to 2 m?
Wednesday, March 2, 2016 by Anonymous

Pre-Calc
Solve this system of linear equations. 5x+2y-7z=-13 9y+z=29 z=2 Is this -1, 3, 2?
Tuesday, March 1, 2016 by Anonymous

Physics
Block B in the figure weighs 739 N. The coefficient of static friction between block and table is 0.34; angle θ is 26°; assume that the cord between B and the knot is horizontal. Find the maximum weight of block A for which the system will be stationary.
Tuesday, March 1, 2016 by Daisy

Math
Find all points on the x-axis of a Cartesian coordinate system that are 20 units from the point (0,12) The point (0,12) would just be 12 points up on the y axis, so wouldn't I just count 20 spaces to the left and right so it would be (20, 12) and (-20, 12)?
Tuesday, March 1, 2016 by Carly

math
the units of a number is 4 more than the tens digit. If the digits are reversed the new number is 1 less than twice the original number. Use a system of equations and substitution to find the number. I'm stuck?!?!
Tuesday, March 1, 2016 by Rachel

Algebra
6. y = 2x - 1 and y = x + 3 ***A. (4,7) B. (7, 4) C. (-7, -4) D. infinite solutions 7. y = 4x and y + x = 5 A. (-4, 1) B. (1, 4) C. (-3, 2) ***D. (2,3) 8. What will the graph look like for a system of equations that has no solution? A. The lines will be perpendicular. ***B. ...
Tuesday, March 1, 2016 by Leet Speaker

Check My Answers for Science!
1: Which of the following is the minimum level of structure needed to perform the function of waste removal? A: Body System B: Tissue C: Cell*** D: Organ 2: Which two systems work with the muscular system to allow the body to move? A: Digestive and Urinary systems B: Skeletal ...
Tuesday, March 1, 2016 by Andrew G.

Science/Biology
the vessels that contain the largest volume in the vascular system are? I think Arteries
Tuesday, March 1, 2016 by Anonymous

Fluid Mechanics
I am trying to work a problem to find flowrate, and a time to reach equilibrium. It sets up like this: I have a tank with a volume of 400 cubic feet full of compressed air at 50psi. The tank has an 8" schedule 40 carbon steel pipe coming off of it with a valve at the tank...
Tuesday, March 1, 2016 by Grant

Quick English help
Select the term that is best represented by each statement below. The words are: acknowledgement, acquiesce, comprise, hierarchy, parity, potentate, subjugate, subservient, tyrant, usurp. Correct me if I'm wrong! 1. "I am equality and balance." (PARITY) 2. "...
Monday, February 29, 2016 by Anonymous

biology
I got a biology project that's about the excretory system & I have to write the word excretory & draw pictures inside of the word that compares it to real life. What pictures can something be compared that involves with the system?
Monday, February 29, 2016 by Clarissa

computing
You are advising one of your neighbors about the HomeGroup feature of Microsoft. He wants to make sure that all of his computers support this feature. Which one of the operating systems below does not support HomeGroup? A. Windows 7 B. Windows RT C. Windows Vista D. Windows 8
Monday, February 29, 2016 by carol

Physics
Block A is 4.5 kg and Block B is 2.25 kg. a. determine the mass of block C that must be placed on block A to keep it from sliding if the coefficient of static friction between block A and the table is 0.2 b. If the coefficient of kinematic friction between the surface and ...
Monday, February 29, 2016 by Diana

physics
While the pressure remains constant at 689.5 kpaa the volume of a system of air changes from 0.567 m3 to 0.2283 m3. Determine (a) ΔU, (b) ΔH, (c) Q, (d) ΔS. (e) If the process is nonflow and internally reversible, what is the work? Cp = 0.24Btu/(lbm.° R), Cv...
Monday, February 29, 2016 by silent

thermodynamics
While the pressure remains constant at 689.5 kpaa the volume of a system of air changes from 0.567 m3 to 0.2283 m3. Determine (a) ΔU, (b) ΔH, (c) Q, (d) ΔS. (e) If the process is nonflow and internally reversible, what is the work? Cp = 0.24Btu/(lbm.° R), Cv...
Monday, February 29, 2016 by abuan

math
Find the amount of money that Keaton and Jana Smith must set aside today so that they will have $5,000 available to buy a home security system to one year if the annual interest reate is 5% compounded annually.
Monday, February 29, 2016 by Michael

Math
A class went on a field trip to see a play. Adult tickets cost $18 each and student tickets cost $12 each. There were 10 more students than adults that went to the play. If the trip cost $240 in all, how many adults and students went to see the play? Write and solve a system ...
Monday, February 29, 2016 by Unknown

halp
3. What are the solutions of the system? y = x + 5 y = x^2 - x + 2 A. (3,14) and (-1,0) B. (3,8) and (-1,4) C. (3,8) and (-1,0) D. (-3,2) and (1,6) 4. What are the solutions of the system? y = x^2 - 2x - 8 y = x + 2 A. (5,7) and (-2,0) B. (5,3) and (-2,4) C. (-5,-3) and (2,4) ...
Sunday, February 28, 2016 by leo

physics
You throw a 0.15 kg ball straight upward from ground level with an initial speed of 15 m/s. (Yes, from ground level. This is to make the calculations easier. If it bothers you, imagine you are standing in a dugout.) Your friend throws a 0.09 kg lump of clay upward after it. ...
Sunday, February 28, 2016 by Shelby

physics
An automotive suspension system consists of a combination of strings and shock absorbers, if you were an automotive engineer, would you design a suspension system that was underdamped, critically damped, or overdamped? Discuss each case.
Sunday, February 28, 2016 by Baseeruh

Physics
A 20.0 kg block is connected to a 30.0 kg block by a string that passes over a light, frictionless pulley. The 30.0 kg block is connected to a spring that has negligible mass and a force constant of 260 N/m, as shown in the figure below. The spring is unstretched when the ...
Saturday, February 27, 2016 by JJ

World History
These documents(Declartion of the rights of man and the citizen, English bill of rights, Marna carta , declaration of independence) established a system in which: a.The power of a leader came straight from God b. The individual was more important than the state <<< c...
Saturday, February 27, 2016 by Boberto

Math
17) solve this linear system using the method of substitution. 2y-x=-10 y= -3/2x-1 20) simplify then solve by substitution 2(x-4)+y=6 3x-2(y-3)=13 just need help with these 2.
Saturday, February 27, 2016 by Ma names Jeff

physics
calculate the maximum working current of an appliance rated at 2.4kw with an operating voltage of 240v
Saturday, February 27, 2016 by ruth

Alg2
How can (1/4)x-3=(1/2)x+8 be setup as a system of equations? 4y + 4x = −12 2y + 2x = 16 4y − x = −12 2y − x = 16 4y + x = −12 2y + x = 16 4y − 4x = −12 2y − 2x = 16
Saturday, February 27, 2016 by ?

World History
1. Which of the following introduces the views of Locke’s thoughts? “Government should leave business alone…” “The royal power is absolute and the prince need render…” “Men are born free and remain free and equal…” <<<...
Friday, February 26, 2016 by Boberto

physics
calculate the maximum working current of an appliance rated at 2.4kw with an operating voltage of 240v
Friday, February 26, 2016 by ruth

Math (check plz)
y = 2x + 4 2x - y = 6 Solve the system of equations using substitution. A) (2,8) B) (2,-8) C) (10,24) D) no solution <-- 4x + 3y = 6 -4x + 2y = 14 olve the system of equations. A) x = 1/2, y = 3 B) x = 3, y = 1/2 <-- or D? C) x = 4, y = -3/2 D) x = -3/2, y = 4
Thursday, February 25, 2016 by Kelly

Chemistry
Consider the following reaction: CO2 (g) + H2 (g) CO (g) + H2O (g) Calculate the value of the equilibrium constant, Kc, for the above system, if 0.1908 moles of CO2, 0.0908 moles of H2, 0.0092 moles of CO, and 0.0092 moles of H2O vapour were present in a 2.00 L reaction vessel...
Thursday, February 25, 2016 by kevin

math. metric system
To convert from a smaller unit to a larger unit you divide or multiply or add by 10 ?
Thursday, February 25, 2016 by james

Physics
(a) Two boxes of different mass are at rest on a ramp. What is the minimum coefficient of static friction between the boxes and the ramp if the system is in equilibrium? Given M=(1+0.34)m (b) Suppose there is no friction between the upper box and the ramp. What is minimum ...
Thursday, February 25, 2016 by Supansa

MATH
solve each system of equation by elimination: a. 3x-4=y, 3x=y+6 b. 2x=y+1, y=6-3x c. x=5y+5, 3x=7-y Thank you :))
Wednesday, February 24, 2016 by Camz

accounting
You are a merchandiser that buys wild widgets from a vendor for $70 each, marks them up, and sells them for $100 each. Journalize the three transactions below.You use the perpetual inventory system and reduce inventory when it is sold. You sell 80 wild widgets to a customer on...
Wednesday, February 24, 2016 by John

Algebra
A car's cooling system of a car has a capacity of 15 liters. suppose that it is currently full of a 40% antifreeze mixture. you want 60% antifreeze mixture so you drain some of the current mixture and then add the pure antifreeze. How much antifreeze should be added?
Wednesday, February 24, 2016 by John's

physics of grade 11
Consider a simple pendulum consisting of a small marble of mass 10 g that can be onsidered a point mass suspended from the lower end of an inextensible string of length 80 cm and whose mass is negligible. The upperstring is connected to a fixed point O .The pendulum is shifted...
Wednesday, February 24, 2016 by angy

Physics
A block of mass m1 = 3.5 kg sits on a rough, horizontal surface and is connected to a second mass m2 by a light string over a frictionless, massless pulley. The coefficient of kinetic friction between m1 and the surface is 0.41. If the acceleration of the system is 0.25m/s^2 ...
Wednesday, February 24, 2016 by Chel

Algebra
Use a system of equations to solve the following problem. The local theater has three types of seats for Broadway plays: main floor, balcony, and mezzanine. Main floor tickets are $59, balcony tickets are $50, and mezzanine tickets are $40. One particular night, sales totaled...
Tuesday, February 23, 2016 by diane

PHYSICS
A light spring (k= 130 N/m) is compressed 15 cm between two masses (1.2 kg and 2.4 kg) on a frictionless surface. The system is released and the masses fly apart. Which mass will have the larger magnitude momentum? Why? Which mass will have more kinetic energy? What is the ...
Tuesday, February 23, 2016 by Camille

Social Studies (Check, Please!)
1. What were three reasons for the growth of the youth movement of the 1960s? A: The rapid increase in enrollment at colleges throughout the nation, concern about the future, and injustices in the political and social system were three reasons for the growth of the youth ...
Tuesday, February 23, 2016 by Victoria

prealgebra
a local pool charges a $6 sign up fee plus $2 per visit as as summer special. Another pool runs a summer special that only charges $3 per visit. Write a system of equations to represent this situation. Is it 6+ 2x=y 3x=y
Tuesday, February 23, 2016 by mike

u.s. history
. In 1840 the population of chicago was only 4,470. by 1990 the city's population was 1, 698,575 which factor best explains the population change A- the constructuion of railroads connecting northeastern cities and Midwestern farms B- the reduction in immigration quotas on...
Tuesday, February 23, 2016 by Anonymous

drivers ed
1. When you are going through a crosswalk on foot, which part of the highway transportation system (HTS) includes you? (1 point) -roadway users - vehicles
Monday, February 22, 2016 by patrickgevaras

Health (can someone plz check my answers??)
1. The functions of the respiratory system are... (there are two answers) A. To pump blood to the body B. To deliver oxygen to the body*** C. To remove carbon dioxide from the body*** D. To absorb nutrients 2. The dome-shaped muscle that lies below the lungs and is important ...
Monday, February 22, 2016 by Anonymous

science
This type of auto-immune disease occurs when the immune system attacks the layer of insulation that surrounds the nerves and slows nerve impulses.
Monday, February 22, 2016 by kevon

science
a 2,8kg trolley is moving to the right with a speed of 0,45m.s^-1. A 1.9kg brick is dropped from rest and lands on the trolley. the trolley and bRick move together across the horizontal surface. Assume an isolated system. determine the change in momentum of the trolley
Monday, February 22, 2016 by Nomfundo

Reading
May cause DROWSINESS ALCOHOL may intensity this effect. USE CARE when operating a car or dangerous machinery. This label appears on a bottle of medicine. Which of the following is the logical conclusion based on A. This medication must not be taken when one is tired. B. ...
Saturday, February 20, 2016 by AMGCSTRNBSN

phy 231
A mass-spring system oscillates with an amplitude of 4.00 cm. If the spring constant is 277 N/m and the mass is 573 g, a.determine the mechanical energy of the system. b.Determine the maximum speed of the object. c.Determine the maximum acceleration.
Saturday, February 20, 2016 by Andrea

general physics
A string going over a massless frictionless pulley connects two blocks of masses 5.9 kg and 9.5 kg. the 5.9 kg block lies on a 31 ◦ incline; the coefficient of kinetic friction between the block and the incline is µ = 0.22. The 9.5 kg block is hanging in the air. ...
Saturday, February 20, 2016 by David

social
why Nepal is not able to implement the federal system?
Friday, February 19, 2016 by rima

Health
1. The functions of the respiratory system are (choose 2) A. to pump blood to the body** B. to deliver oxygen to the body** C. to remove carbon dioxide from the body D. to absorb nutrients 2. ______ is a substance in tobacco products that causes stained teeth and skin A. ...
Friday, February 19, 2016 by Hanna

History
In 1846, the population of San Francisco, California, was only 200. By 1852, the city's population was 36,000. 1. Which contributed the most to San Francisco's population change? (5 points) The Gold Rush The Mexican-American War The Monroe Doctrine The Trail of Tears 2...
Friday, February 19, 2016 by #FreeGucci

Math
the sum of two numbers is 27. one number is 3 more than the other number. write and solve a system of equations to find the two numbers. i understand the first equation but i dont know the other one.
Thursday, February 18, 2016 by Kevin

Social studies
Who held the most power under the system of feudalism? Peasants. Vassals. Lords. (MY ANSWER) Knights.
Thursday, February 18, 2016 by LOVE

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Homework Help: Computers