Wednesday

October 1, 2014

October 1, 2014

**Recent Homework Questions About Operating Systems**

Post a New Question | Current Questions

** college English**

Discuss the manner in which the theories expressed by John Winthrop are in some degree evident in American government and culture today. Can someone tell if my answer is right. In Prospero's America, Walter W. Woodward looks at the exchange of catalytic society to America ...
*Friday, July 25, 2014 at 8:42pm*

**English**

Discuss the manner in which the theories expressed by John Winthrop are in some degree evident in American government and culture today. Can someone tell if my answer is right. In Prospero's America, Walter W. Woodward looks at the exchange of catalytic society to America ...
*Friday, July 25, 2014 at 7:31pm*

**English**

Is this a good thesis Students should not be required in public schools, the education system should focus more on education, rather than what the student is wearing.
*Thursday, July 24, 2014 at 8:17pm*

**Math**

Solve the following quadratic-linear system of equations. y=-x^2-x-6 y=2x-2 A. (3, 6) and (–1, 2) B. (4, 6) and (–1, –4) C. (3, –6) and (2, 4) D. (–4, 3)
*Thursday, July 24, 2014 at 6:22pm*

**eCONIMIC**

2. The Theory of the Firm document, the Friedman article, and the information in chapter 4 argue that the main goal of a firm in a market economy is to maximize profit (shareholder wealth) over the long term. However, SEC regulations require U.S. corporations to publish ...
*Thursday, July 24, 2014 at 6:06pm*

**science**

You know that a collision must be "elastic" if: The momentum of the two-object system doesn't change The sum of the final kinetic energies equals the sum of the initial kinetic energies There is no change in the internal energies of the objects (thermal energy, ...
*Thursday, July 24, 2014 at 5:50pm*

**Biology/ a&p**

Which of the following parts of the circulatory system carries oxygenated blood? A. An artery moving blood from the heart to the lungs B. A vein moving blood to the heart from the body C. An artery moving blood from the heart to a muscle cell D. A venule moving blood to the ...
*Thursday, July 24, 2014 at 3:02pm*

**Government**

Political Parties have organizations at the a) state level. b) national level c) local level. d) all of the above I think it d America utilizes a three party system comprised of the Democratic Party, Republican Party, and Green Party. a)true b) false I think False Ronald Regan...
*Thursday, July 24, 2014 at 11:55am*

**calculating statistical data**

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. calculated the number of new shelving units needed for medical record filing system based on 8 shelves per unit at...
*Wednesday, July 23, 2014 at 5:59pm*

**science**

A mass m=5.2 kg is attached to the end of a spring with a spring constant of k=15.6 N/m. The mass moves through a viscous damping medium with a damping constant b=1.8 kg/s giving a velocity dependent damping force Fdamp= -bv. The motion occurs in zero gravity so set the force ...
*Wednesday, July 23, 2014 at 3:32pm*

**science**

three point charges are located on the positive y-axis of a coordinate system.charge q1 = -2.09 nC is 2.05 m from the origin and charge q2 = +2.70 nC is 3.25 m from the origin, and the third charge q3 = -2.56 nC is located 5.03 m on the positive y-axis.the fourth charge q4 = -...
*Wednesday, July 23, 2014 at 9:27am*

**physics**

A horizontal slingshot consists of two light, identical springs (with spring constants of 23.7 N/m) and a light cup that holds a 1.97-kg stone. Each spring has an equilibrium length of 50 cm. When the springs are in equilibrium, they line up vertically. Suppose that the cup ...
*Monday, July 21, 2014 at 10:42am*

**Microeconomics**

A monopoly firm is faced with the following demand function P = 26 – 0.5Q. The Marginal Cost function for the firm is given by 6 + 6Q and the total fixed cost is 4. Determine a) The profit maximizing output. b) The level of supernormal profit if any. c) The output level ...
*Monday, July 21, 2014 at 6:01am*

**logic crtical thinking**

Explain why it is important to analyze each financial transaction of a business and to report it in the Accounting Information System.
*Sunday, July 20, 2014 at 7:40pm*

**Physics**

An ideal gas is contained within closed box behind a removable wall. The walls of the container are insulated, so that no heat may be transferred from the system. Initially, the gas has an initial pressure P and an initial temperature T. The gas is then allowed to freely ...
*Sunday, July 20, 2014 at 5:51pm*

**Math**

I need some help with solving this problem: Find the solution set for the system of linear inequalities. x – y ≥ 3 x + 2y ≥ 6
*Sunday, July 20, 2014 at 3:07pm*

**Math**

So I've been working on solving this system by addition/subtraction and I just can't get the right answer. Her is the system of equations I was given to solve by add/sub: 3x – y = –12 x + 2y = –18
*Sunday, July 20, 2014 at 3:04pm*

**Algebra**

I need some help solving this system of equations: 5x - y = 18 –4x – 2y = –6
*Sunday, July 20, 2014 at 3:02pm*

**Math**

I need to use the Gaussian Elimination to solve a system of equations, but I have no idea on how to do that. I remember doing these in high school, but since its been a while I can't remember exactly how to do it. Here's the system of equations I need to solve using it...
*Sunday, July 20, 2014 at 2:33pm*

**physics**

A copper container of mass 100g contains 500g of water. A steel paddle of mass 85g stirs the water. A pulley system operates the paddle. A) the mass (15kg) drops 2,4m, turning the steel paddle. Assume heat lost to surrounding is negligible. 1. Find the energy transfered to the...
*Sunday, July 20, 2014 at 8:41am*

**History**

In Uncle Tom's Cabin, (the book) did blacks have a racial caste system? Please explain
*Saturday, July 19, 2014 at 6:45pm*

**Anatomy**

How does coronary artery disease affect the normal homeostasis of the cardiovascular system
*Friday, July 18, 2014 at 11:31am*

**science**

A runner whose mass is 49 kg accelerates from a stop to a speed of 6 m/s in 3 seconds. (A good sprinter can run 100 meters in about 10 seconds, with an average speed of 10 m/s.) (a) What is the average horizontal component of the force that the ground exerts on the runner'...
*Thursday, July 17, 2014 at 4:40pm*

**science**

How does coronary artery disease affect normal homeostasis of the cardiovascular system
*Thursday, July 17, 2014 at 9:00am*

**anatomy**

How does coronary artery disease affect normal homeostasis of the cardiovascular system
*Wednesday, July 16, 2014 at 2:59pm*

**science**

A horizontal spring-mass system has low friction, spring stiffness 210 N/m, and mass 0.6 kg. The system is released with an initial compression of the spring of 11 cm and an initial speed of the mass of 3 m/s. suppose that there is energy dissipation of 0.02 J per cycle of the...
*Wednesday, July 16, 2014 at 2:57pm*

**Biology**

. Which of the following parts of the circulatory system carries oxygenated blood? A An artery moving blood from the heart to the lungs B. A vein moving blood to the heart from the body C. An artery moving blood from the heart to a muscle cell D. A venule moving blood to the ...
*Monday, July 14, 2014 at 7:27pm*

**Public Organization Management**

Can someone read over my case paperI cannot add a file so i just copied and pasted it...I did not add my references at the end either or the tables since they wont show up right here just need to see if this makes sense and flows and my in paper citations are correct. ...
*Monday, July 14, 2014 at 10:03am*

**physics**

A ski slope drops at an angle of 24 degrees with respect to the horizontal and is 500 m long. A 60 kg skier skis down from the top to the bottom of the slope. A.) Determine the change in gravitational potential energy of the skier+earth system. b.) If 20% of the gravitation ...
*Monday, July 14, 2014 at 9:36am*

**physics**

A 1000 kg rocket without an internal propulsion system is launched with an initial speed of 7.00 x 10^2 m/s. Determine the maximum height attained by the rocket
*Sunday, July 13, 2014 at 6:37pm*

**Education/College**

In what ways does understanding the origins of the educational system in the U.S. be useful to me as a future educator?
*Saturday, July 12, 2014 at 2:10pm*

**Accounting**

I have completed all of my assignment except this one last question. I am having a heck of a time figuring out where to even start. Can anyone help me? The comparative year-end balance sheets of Sign Graphics, Inc., revealed the following activity in the company's current ...
*Saturday, July 12, 2014 at 3:31am*

**Physics**

Actually, I have 3 questions to solve. I know the 1st one requires Coulomb's constant, but I just can't get the formula to work. Ditto for the formulas for the other 2 questions. 1) A 6.3 μC point charge and a −1.7 μC point charge are separated by a ...
*Thursday, July 10, 2014 at 10:35pm*

**Science**

What body system does coronary heart disease affect? Also How does this disease affect normal homeostasis of the body system
*Thursday, July 10, 2014 at 11:30am*

**anatomy**

What body system does coronary heart disease affect?
*Thursday, July 10, 2014 at 10:12am*

**algebra**

solve the following systwm graphically. Be sure to check your solution. if the system has an infinite number of solutions, use set-builder notation to write no solution, state this. 4y=x+8, x=2/3y+2
*Wednesday, July 9, 2014 at 7:37pm*

**PSY/410 **

Will someone please check my answer please. Thanks in advance. Match the definitions to the correct theoretical model. 1. ___J__ Experiences as a child affect life. Child is influenced by caretaker but also has a part in development. 2. __F___ 2–3 years of age and the ...
*Wednesday, July 9, 2014 at 3:47pm*

**PHYSICS**

a 2.00kg object A is connected with a massless string across a massless, frictionless pulley to a 3.00kg object B. the smaller object rests on an inclined plane which is tilted at an angle of theta=40degrees. what are the acceleration of the system and the tension in the string?
*Tuesday, July 8, 2014 at 7:59am*

**Physics**

In a binary star system in which 2 stars orbit each other about their centre of mass, the mass of one star is 20m while the other star is m. In another binary star system, the masses of the star are 14m and m. The fixed distance between the stars in the both cases are the same...
*Monday, July 7, 2014 at 11:39pm*

**History- Confucius **

Question 1 The title Analects best translates as “____.” poems dialogues sayings fables Question 2 Which of the following does not reflect Confucian values: Replacing old traditions with modern values Exploring wisdom within yourself rather than looking for a ...
*Monday, July 7, 2014 at 8:55pm*

**american history**

Under the _______ system, Spanish conquistadores were rewarded with local villages and control over the local labor force.
*Monday, July 7, 2014 at 4:58pm*

**Physics**

A weight of 31 N is located a distance of 10.8 cm from the fulcrum of a simple balance beam. At what distance from the fulcrum should a weight of 17 N be placed on the opposite side in order to balance the system?
*Monday, July 7, 2014 at 4:12pm*

**physic**

a 2.00kg object A is connected with a massless string across a massless, frictionless pulley to a 3.00kg object B. the smaller object rests on an inclined plane which is tilted at an angle of theta=40degrees. what are the acceleration of the system and the tension in the string?
*Monday, July 7, 2014 at 7:28am*

**CHEMISTRY**

We have this following gas equilibrium : H2 + Cl2 <==> 2HCl + 184 kJ then predict the following to know Le chatlier's prediction 1) adding Cl2 2) removing HCl 3) elevation of pressure 4) lowering of the temperature 5) removing H2 and lowering pressure 6) adding ...
*Monday, July 7, 2014 at 4:31am*

**History**

Question 1 The title Analects best translates as “____.” poems dialogues sayings fables Question 2 Which of the following does not reflect Confucian values: Replacing old traditions with modern values Exploring wisdom within yourself rather than looking for a ...
*Sunday, July 6, 2014 at 8:20pm*

**PHYSICS**

a 2.00kg object A is connected with a massless string across a massless, frictionless pulley to a 3.00kg object B. the smaller object rests on an inclined plane which is tilted at an angle of theta=40degrees. what are the acceleration of the system and the tension in the string?
*Saturday, July 5, 2014 at 11:48am*

**social studies**

how does the appeal system work?
*Friday, July 4, 2014 at 11:23pm*

**Astro-Physics(Binary Star System)**

In a binary star system in which 2 stars orbit each other about their centre of mass, the mass of one star is 20m while the other star is m. In another binary star system, the masses of the star are 14m and m. The fixed distance between the stars in the both cases are the same...
*Thursday, July 3, 2014 at 12:45pm*

**computer system organization**

2. You're an IT professional, and your boss has asked you to prepare a briefing for senior staff on the comparative advantages and disadvantages of three competing tape drive technologies: Digital Linear Tape (DTL), Advanced Intelligent Tape (AIT), and Linear Tape Open (...
*Tuesday, July 1, 2014 at 12:51am*

**Criminal Justice/Corrections**

Restitution does NOT help: A. an offender to accept personal responsibility. B. offset the victim's physical and emotional losses. C. the victim to feel more respected by the system. D. a victim to take revenge on his or her offender. I think it's D., but not sure.
*Monday, June 30, 2014 at 4:27pm*

**Criminal Justice/Corections**

Restitution does NOT help: A. an offender to accept personal responsibility. B. offset the victim's physical and emotional losses. C. the victim to feel more respected by the system. D. a victim to take revenge on his or her offender. I think it's D., but not sure.
*Monday, June 30, 2014 at 2:29pm*

**american government**

The federal system can be thought of as a marble cake because?
*Sunday, June 29, 2014 at 3:13pm*

**Human Services**

I have to write a paper on designing a reward system. Basic needs, competitive benefits, benefits equally dispersed, treated as individuals. Identify specific benefits and incentives that will be offered. Could someone help me with this? Thanks.
*Sunday, June 29, 2014 at 11:46am*

**Physics**

1. A ball is launched from a cliff with an initial velcity of 10 m/s at an angle of 40 degrees above horizontal. If the ball lands 24 m away, determine the height of the cliff. 2. if the mass A is 1 kg and the mass of B is 6.0 kg, determine the acceleration of the system and ...
*Friday, June 27, 2014 at 12:05pm*

**physics**

A 75.00-g sample of an unknown metal is heated to 52.00°C. It is then placed in a coffee cup calorimeter filled with water. The calorimeter and the water inside have a combined mass of 225.0 g and an overall specific heat of 2.045 J/(gi°C). The initial temperature of ...
*Friday, June 27, 2014 at 11:37am*

**Physics**

1. A ball is launched from a cliff with an initial velcity of 10 m/s at an angle of 40 degrees above horizontal. If the ball lands 24 m away, determine the height of the cliff. 2. if the mass A is 1 kg and the mass of B is 6.0 kg, determine the acceleration of the system and ...
*Thursday, June 26, 2014 at 10:35pm*

**linear algebra**

use a computer software or graphing utility to solve the system of linear equation. x₁+0.5x₂+0.33x₃+0.25x₄=1.1 0.5x₁+0.33x₂+0.25x₃+0.21x₄=1.2 0.33x₁+0.25x₂+0.2x₃+0.17x₄=1.3 0.25x₁...
*Wednesday, June 25, 2014 at 8:45am*

**Chemistry**

I need to calculate the mass of CO2 produced in the reaction of NaHCO3 + HCl Data Mass of NaHCO3 = .05g Mass of system before reaction 117.9 g Mass of system after reaction 117l98 Maxium pressure 1.4094 initial pressure 1.0094 pressure change .4 temp 299.2K
*Tuesday, June 24, 2014 at 11:35pm*

**History**

I am to write an historical investigation, and this is my first time writing something like that. Is an IB school. the question is "How did the factory system affect the life of the working class in Britain?"
*Tuesday, June 24, 2014 at 4:13pm*

**algebra**

Identify the solution of the system of equations, if any. -4x-2y+=4 8y+16x-16
*Friday, June 20, 2014 at 9:22pm*

**accounting**

Cargin Company uses the FIFO method in its process costing system. The Assembly Department started the month with 15,000 units in its beginning work in process inventory that were 50% complete with respect to conversion costs. An additional 71,000 units were transferred in ...
*Friday, June 20, 2014 at 1:06pm*

**car insurance?**

Which one of these statements is true about a "bumper-to-bumper" warranty. A. Normal wear and tear is NOT covered by the warranty. B. All expenses except gasoline and routine oil changes are covered by the warranty. C. Every part and system is covered without ...
*Friday, June 20, 2014 at 3:39am*

**physics**

1. Two similar cylindrical polished bars weighing 5.00 N each lie next to one another in contact. A third similar bar is placed on the other two in the groove between them. Neglecting friction what horizontal force on each other is necessary to keep them together? 2. Many ...
*Wednesday, June 18, 2014 at 1:38am*

**math**

Determine whether the system of equation is in row-echelon form. x-y+3z=-11 y+8z=-12 z=-2
*Tuesday, June 17, 2014 at 10:39pm*

**Math **

Use back substitution to solve the system of linear equations x-2y+z=8 y+z=5 z=2 **I tried to solve it eventho im still confused/lost. 1=3 idk ugh
*Tuesday, June 17, 2014 at 9:55pm*

**MATH **

Solve the system of linear equations 2x+y-3z=4 4x+2z=10 -2x+3y-13z=-8 *im so lost (all these numbers are in one problem)
*Tuesday, June 17, 2014 at 7:51pm*

**math**

Shipping dimensions given by the distributor are 10 cm x 20 cm x 22 cm. What will you enter in ‘Shipping dimensions’ field in our system? Shipping dimensions = ?
*Tuesday, June 17, 2014 at 6:01pm*

**MaTh..**

Determine whether the system of equations is in row-echelon form. x-y+3z=-11 y+8z=-12 z=-2
*Tuesday, June 17, 2014 at 2:03pm*

**Medical**

Dr. S. is working within a reimbursement system where the insurance is billed after all the treatment has been given to the patients. The main reason that he orders more tests, exams, and procedures under this system is A. fear of being sued. B. to make a profit. C. to ...
*Tuesday, June 17, 2014 at 3:35am*

**Physics**

An electric lawn mower has a resistance of 160 ohms and draws 15A. What is the cost of operating the lawn mower for 30 minutes if electrical energy costs $0.12/kWh?
*Monday, June 16, 2014 at 5:02pm*

**algebra**

Solve the system of equations. 9x + y = 2 –4x – y = –17 I don't understand how you solve this.
*Monday, June 16, 2014 at 2:30pm*

**Algebra**

What is the solution to the system of equations that contains –3x + y = 3 and 2x – y = –1? A. no solution B. (–1, 3) C. infinite number of solutions D. (–2, –3)
*Monday, June 16, 2014 at 1:27pm*

**statistics for health research**

the income of a group of 10,000 health system employees was found to be normally distributed with a mean=750 pm and standard deviation=50. show that of this group about 95% had income exceeding 668 and only 5% had income exceeding 832
*Monday, June 16, 2014 at 8:03am*

**physics**

if an object has covered first 30 m distance in 5 sec and other 40 m distance in 20 min.find the average speed in cgs system.
*Monday, June 16, 2014 at 4:48am*

**algebra 2**

1.Which system of equations represents this situation? Let d be the number of toy cars that Dan has and let j be the number of toy cars that Jacob has. 2.how many toy cars does Jacob have?
*Sunday, June 15, 2014 at 8:45pm*

**physics**

A spring and mass system are oscillating with an amplitude of 8.4 cm. The spring constant is 204 N/m and the mass is 540 g. Find the mechanical energy of the system to 2 sf.
*Sunday, June 15, 2014 at 2:21pm*

**motion measurements**

Using the information below estimate the time required to analyse the data collected using the two motion analysis systems when there are 10 markers on the subject and the data is collected for 100 frames. Cinematography system 2 seconds per marker 5 seconds to change frame ...
*Sunday, June 15, 2014 at 12:53pm*

**HCA 311 Health Care Financing & Information System**

Using the example of “From the Front Lines” in Chapter 6 of your text, calculate the break even for the number of procedures. Use an electronic spreadsheet to show how you computed the break even and embed the spreadsheet in your paper. Discuss the impact of the ...
*Sunday, June 15, 2014 at 12:33pm*

**motion analysis**

Using the information below estimate the time required to analyse the data collected using the two motion analysis systems when there are 10 markers on the subject and the data is collected for 100 frames. Cinematography system 2 seconds per marker 5 seconds to change frame ...
*Sunday, June 15, 2014 at 10:27am*

**Physics**

A wheel with radius of 25cm turning at 120 rpm uniformly increases its frequency to 660 rpm in 9s. Determine: i) the centripetal acceleration ii)the total acceleration of the system
*Saturday, June 14, 2014 at 11:16pm*

**motion analysis**

Using the information below estimate the time required to analyse the data collected using the two motion analysis systems when there are 10 markers on the subject and the data is collected for 100 frames. Cinematography system 2 seconds per marker 5 seconds to change frame ...
*Saturday, June 14, 2014 at 12:46pm*

**Algebra ll**

Consider the system below. {4x-2y=-12} {3x-y=-3} Solve the system by using a matrix equation.
*Friday, June 13, 2014 at 7:59pm*

**algebra**

Solve the system graphically. If a system has an infinite number of solutions, use set-builder notation to write the solution set. If a system has no solution, state this. 2x – y = 4 5x – y = 13 I do not understand how to do this
*Friday, June 13, 2014 at 6:07pm*

**algebra/what am I doing wrong Please help**

Solve the system by graphing. (If the system is inconsistent, enter INCONSISTENT. If the system is dependent, enter DEPENDENT.) 3x+2y=5 4x-3y=1 I have try dependent and inconsistent and either work. What am I doing wrong. Thank you
*Wednesday, June 11, 2014 at 12:03am*

**history**

1. Which factor contributed most to the U.S. acquisition of Florida in 1819? A.The defeat of Great Britain in the War of 1812 B. U.S. military victories in Florida during the 1810s C. Spain's loss of control over its South American territories D. Territorial disputes ...
*Tuesday, June 10, 2014 at 8:19pm*

**Algebra 1--Please, help me!**

4. The sum of the digits of a two-digit number is 11. If 45 is added to the number, the digits will be reversed. a. Write a system of equations that you can use to find the digits of the number. Tell what each variable represents. b. Solve the system of equations to find the ...
*Tuesday, June 10, 2014 at 12:57pm*

**Law**

1. Getting charged with a new offense while on probation first results in: A. a technical probation violation. B. a probation revocation hearing. C. a lengthy and punitive incarceration. D. immediate revocation of probation. is it B 2. The goal of diversion is to: A. divert ...
*Tuesday, June 10, 2014 at 10:13am*

**Algebracan you answer my question**

Solve the system by graphing. (If the system is inconsistent, enter INCONSISTENT. If the system is dependent, enter DEPENDENT.) {x-y=4 {2x+3y=13 How can I tell if it is Inconsistent or Dependent Thank you
*Monday, June 9, 2014 at 9:05pm*

**Lea408 **

can someone please tell me if I am right Like optical scanners, capacitance fingerprint scanners generate an image of the ridges and valleys that make up a fingerprint. But instead of sensing the print using light, the capacitors use electrical current. (Points : 1) True False...
*Sunday, June 8, 2014 at 11:00pm*

**Physics **

A system gains 473J of kinetic energy while losing 271J of potential energy. The thermal energy increases by 127J . Use an energy bar chart of this process to find the external work Wext.
*Sunday, June 8, 2014 at 4:18pm*

**Physics**

A 1 kg mass is hung at the 0 mark of a meter stick and a 3 kg mass is hung at the 100 cm mark of the same meter stick. If the mass of the meter stick is 0.2 kg, at which of the following points of the meter stick could you balance the system on one finger? Select one: a. 38.9 ...
*Sunday, June 8, 2014 at 2:14pm*

**Algebra confused/Thank you**

Solve the system by graphing. (If the system is inconsistent, enter INCONSISTENT. If the system is dependent, enter DEPENDENT.) 3x + 2y = 5 4x − 3y = 1
*Saturday, June 7, 2014 at 11:01pm*

**Physics**

An engine of the orbital maneuvering system (OMS) on a space shuttle exerts a force of for 3.90 s, exhausting a negligible mass of fuel relative to the 95,000-kg mass of the shuttle. (a) What is the impulse of the force for this 3.90 s? (b) What is the shuttle’s change in...
*Saturday, June 7, 2014 at 5:57pm*

**Finance**

Pretty Lady Cosmetic Products has an average production process time of 40 days. Finished foods are kept on hand for an average of 15 days before they are sold. Accounts receivable are outstanding an average of 35 days, and the firm receives 40 days of credit on its purchases ...
*Saturday, June 7, 2014 at 3:16pm*

**probability**

Two questions: 1. Assume a building has two independent security alarm systems. The first system works for 80% of the time and the second works 70% of the time. What percentage of time is the building protected by at least one security alarm system? Please explain. 2. There ...
*Friday, June 6, 2014 at 12:20pm*

**electronics**

Using wheatstone bridge where R1=top left R2=top right R3=bottom left RT(thermistor 2.11spec)=bottom right. R1=2.2kohm R3=8.2Kohm. must have 0 output at 0degC calculate the required value of R2. Thermistor specs: resistance @ 20degC=2K 25degC=1.68K 200degC=37ohm min operating ...
*Friday, June 6, 2014 at 6:52am*

**Physics **

A system gains 473J of kinetic energy while losing 271J of potential energy. The thermal energy increases by 127J . Use an energy bar chart of this process to find the external work Wext.
*Thursday, June 5, 2014 at 7:18pm*

**Earth Science**

Hello! I try to do my homework to the best of my ability. I want to make sure that my answers are correct. My answers will be (*). Please help me if you can.... 1. _______ was the first person to propose the idea of moving continents as a scientific hypothesis. A. Antonio ...
*Thursday, June 5, 2014 at 12:43pm*

**science**

An unsecured astronaut is floating in deep space. He switches on a hand held drill. The drill bit begins rotating clockwise with high angular velocity. Describe what happens to the astronaut- drill system and explain why.
*Thursday, June 5, 2014 at 3:35am*

**science**

UNSCRAMBLE RDOCRROUTINEDEVELOPMENT to make 2 words having to do with the reproductive system
*Wednesday, June 4, 2014 at 11:38pm*

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