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September 2, 2014

Search: determine the work done (including the algebraic sign).

Number of results: 36,064

Math
Each cube below is made up of smaller cubes, but the large cubes are not solid. They had tunnels through them. • The first cube originally had 27 small cubes, but the tunnel removed 3 cubes. • The second cube originally had 64 small cubes, but two straight tunnels, 4 cubes ...
March 10, 2012 by Jiyeon

math
Each cube below is made up of smaller cubes, but the large cubes are not solid. They had tunnels through them. • The first cube originally had 27 small cubes, but the tunnel removed 3 cubes. • The second cube originally had 64 small cubes, but two straight tunnels, 4 cubes ...
March 11, 2012 by Neel

Math
Each cube below is made up of smaller cubes, but the large cubes are not solid. They had tunnels through them. • The first cube originally had 27 small cubes, but the tunnel removed 3 cubes. • The second cube originally had 64 small cubes, but two straight tunnels, 4 cubes ...
March 20, 2012 by Neil

ALGEBRA
You recently started the paperwork to purchase your new home, and were just notified that you can move into the house in 2 weeks. You decide to hire a moving company, but are unsure which company to choose. You search online and are interested in contacting two companies, ...
May 20, 2011 by Imagine

math --- pls check my work!
help pls asap!!! Check my work! 1. Find the area for the following figure. (trapazoid: bottom base 16.3, top base 5.9, height 4.6) 51.06 m^2*** 74.98 m^2 27.14 m^2 102.12 m^2 2. Find the area for the following figure. (1 point) (triangle: base 20.3, height 6.2) 125.86 cm^2 62....
February 3, 2014 by TTR+S<3

AP Physics
A light string that is attached to a large block of mass 4m passes over a pulley with negligible rotational inertia and is wrapped around a vertical pole of radius r. The system is released from rest, and as the block descends the string unwinds and the vertical pole with its ...
February 18, 2008 by Mary

Business Law
Hi, assuming I am in the business of designing and renovating music studios. I had faxed a company which sells the materials I need, regarding the price of e.g , 50 tiles and 1000L glue. Subsequently, the company faxed back stating in it the price per unit and the total cost ...
August 7, 2009 by Zhang

statistics
The Computer Anxiety Rating Scale (CARS) measures an individuals level of computer anxiety, on a scale from 20 (no anxiety) to 100 (highest level of anxiety). Researchers at Miami University administered CARS to 172 business students. One of the objectives of the study was to ...
October 21, 2010 by GG

science
1. The ability of an apple to change color when exposed to air is a ____. (1 point)physical property chemical property physical change chemical change 2. Which of the following is NOT a possible sign of a physical change? (1 point)a change in appearance a change in volume the ...
April 17, 2012 by NIKE

physics
Two copper cylinders, immersed in a water tank at 46.3°C contain helium and nitrogen, respectively. The helium-filled cylinder has a volume twice as large as the nitrogen-filled cylinder. a) Calculate the average kinetic energy of a helium molecule at 46.3°C. b) Calculate the ...
January 1, 2012 by maria

physics
Two copper cylinders, immersed in a water tank at 46.3°C contain helium and nitrogen, respectively. The helium-filled cylinder has a volume twice as large as the nitrogen-filled cylinder. a) Calculate the average kinetic energy of a helium molecule at 46.3°C. b) Calculate the ...
January 3, 2012 by maria

Physics
Two copper cylinders, immersed in a water tank at 46.3°C contain helium and nitrogen, respectively. The helium-filled cylinder has a volume twice as large as the nitrogen-filled cylinder. a) Calculate the average kinetic energy of a helium molecule at 46.3°C. b) Calculate the ...
January 26, 2014 by Lyra

Economics
Joe's burrito cart sits on a busy street corner. Customers line up to get Joe's hot fresh bean burritos filled with trimmings of their choice. In order to comply with regulations, Joe must keep his cart and utensils clean, advertise ingrediants on a visible sign, suuply ...
May 11, 2007 by Christian

English
The sentence is: No one grew tired of eating it. Is there any prepositional phrases in there? The other sentence says: Linking verbs link the subject with a noun, a pronoun, or an adjective. Is everything after with(also including with)a prepositional phrase? Although your ...
October 25, 2006 by Katie

microeconomics, please help me solve .
The majority of the world’s diamonds comes from Country A and Country B. Suppose that the marginal cost of mining a diamond is $1,000 per diamond and that the demand schedule for diamonds is as follows: price quantity 6,000 5,500 5,000 6,500 4,000 7,000 3,000 8,000 2,000 9,000...
November 28, 2010 by mary

physics
Express the following measurements as indicated. A. 6.20 mg in kilograms B. 3X10^-9 s in milliseconds C. 88.0 km in meters A. 6.20mg (1g/1000mg)(1kg/1000g) You do the rest. I will be happy to critique your work.
August 22, 2006 by Anonymous

maths..HELP!!
this is a question i dont understand..please help! "JAMES GETS £5 POCKET MONEY A WEEK. HE SAVES £1.50. HOW MUCH DOES HE SAVE OVER 6 WEEKS? IS IT £9? y = 1.5x, so ya 9 seems to work. thanks for the help Yes, 1.50 x 6 = 9
September 23, 2006 by sheromeya

Statistics
Below Find a sequence of probabilites generated using excel.What is this mystery poisson functions M? Be precise, down to one decimal and show work.
March 8, 2007 by Jason L

I have ONE more
Factor completely: 2x2 - 32 another math question?? We do not do your homework for you, but I will start you out. 2x^2 - 32 = 2(x^2-16) You should be able to work it from here. I hope this helps. Thanks for asking.
May 23, 2007 by Mandy

math
( x2 + 6x-3) x2-4x = (5-x)x2-4x 32x+3- 6.3x+1- 9 = 0 6log5=a and 5log4=b 4log0,24=….. Are these 4 separate questions? Convert the second equation to 25.7 x = 5 then divide both sides by 25.7. Show your work and we will be glad to critique it for you
August 2, 2007 by princess

Editing
On this hwk help forum, do you edit people's work? I have a paragraph and I need someone to look it over and make some corrections. Would anyone be willing to do that?
October 4, 2007 by Gina

Physics
"A projectile is launched at 517m/s at 50 degrees from the horizontal on top of a building 150m tall. What is the highest point it will reach?" Need to show all work. Thanks!
November 19, 2007 by Mike

DeRidder High
I HAVE A TAXONOMY PROJECT DUE TOMORROW AND I REALLY DO NOT UNDERSTAND EXACTLY HOW TO DO IT. AT THE TOP IT SAYS "IN THE YEAR 2525" I DO NOT KNOW HOW TO WORK THIS. CAN YOU PLEASE HELP ME OUT????
January 22, 2008 by Nikki

physics
a uniform rectangular marble slab is 3.4m long and 2.0 m wide with a mass of 180kg. it is lyning on flat ground how much work is needed to stand it on end
February 13, 2008 by billc

college calculus
evaulate an intergral for length of curve with y=(sqrt(4-x^2)) and 0 <_ x <_ 2 im lost, i think i know how to apply the formula but its so difficult to integrate and i need to show all my work!
March 10, 2008 by andrew

Physics
A man pulls a 10-kg box across a smooth floor with a force of 71 newtons at an angle of 23 degrees and for a distance of 97 meters. How much work, to the nearest joule, does he do?
December 10, 2008 by Michelle

chemistry
I work in a pathology lab and need to know what happens when formaldehyde is mixed with chlorine bleach...the chemical formula would be: H2C(OH)2 + NaClO Can anybody out there help me, please?
February 23, 2009 by fishies

Eng. Ms. Sue
What was the name of that website that you gave me last time that helped me cite my work. You could type your info in the box then it would show you how it should look like?
March 7, 2009 by Michele

Organisational Behaviour
What is Symbolic Protest in Illegitimate Polics terms?I ask my lecturer and he says where people from the same department come together and say that they don't want to work.Is it correct?
March 18, 2009 by Chloe

math
What length of fencing is required to surround a square field with area 250 m2? Show your work. Give your answer to the nearest cm. How would i do this???plz help, thx!! :D
April 13, 2009 by rebecca

Algebra
I need help solving the trinomial (x squared minus four x plus seventeen equals twentynine). It has to be in 3 different methods and I have to show work but I don't know how to do it. Please help.
April 26, 2009 by Mike

AL
The instructions to my book work says for the data in each table, tell whether y varies directly with x. If it does write an equation fo rthe direct variations. Well how do you do that exactly. Thanks you for your help.. Please help me.
May 12, 2009 by Math

Civics
What is a congressional fact-finding trip known as? Fill in the missing blank. In both the House and the Senate -------- do the detailed, daily work of considering proposed legislation?
September 14, 2009 by Anonymous

Socials-Ms. Sue
The steam engine changed society by the ingenious application of its power to kinds of work that formerly taxed the physical energies of the human race.
November 23, 2009 by Sara

physics
A train with a velocity of 45.1 m/s must come to an emergency stop in 10.6 s. How far did it travel during this time? i tried to use the x=1/2at^2+vit+xi equation but that did not work..
December 17, 2009 by ash

physical science
How much work is done by the gravitational force on an object of mass 9.40 kg that is initially at rest when it falls down for a time of 1.85 seconds. Ignore air resistance
December 21, 2009 by jhon

Ap Physics
On a clear day at the equator with the sun directly overhead, how long would it take to warm 10 kg of water 15 Co if the emissivity of the 1.0 m 2 surface is 1? can someone help me work this out?
January 22, 2010 by George

science
The thermoshpere is 415 km deep. Calculate the percent of the atmosphere made up by the thermosphere if the total atmospehere extends 500 km. I need to show my work ~ help! thank you so much!
February 11, 2010 by LeeAnne

math (please check my work)
find the equation (in slope intercept form) the line passing through the points with the given coordinate (-1,-1) (-3,-3) -3-(-1)/-3-(-1)=2 y+3=2(x-(-3) y+3=2x-6 -3 -3 y=2x-9 is what i got is this correct?
February 23, 2010 by jerson

Intermediate Algebra
Given logb3 = 0.792 and logb5 = 1.161. If possible, use the properties of logarithms to calculate values for the following show your work logb 1/3
June 10, 2010 by Kris

college
12.2 ft/sec how many days will it take to complete its journey with the circumference of the earth is 25000 miles. How do i work this problem out dont want the answer just want to know how to solve it!
June 18, 2010 by Dawn

algebra
(a minus sqrtx)^2=25 I have no idea of how to work this problem where i in up with the answers of a=7,-3. Basiclly I just gave it a guess. Could someone show the steps I need to take. Thanks.
September 5, 2010 by jessica

physics
a 40-N forcee pulls a 4-kg a horizontal distance of 8 meterr. the rope makes an angle of 35 degree with the floor and the coefficient of kinetic friction is 0.2. what is the work done by each acting on block?
October 2, 2010 by kristel

Health
Why is it important to get the right amount of each vitamin and mineral? Like a general answer? would it be for your body to work properly Minerals help form healthy bones
October 10, 2010 by Amy

Algebra (Intermediate)
Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 9x + 6y = 60 -27x Π 18y = -180
October 11, 2010 by JerryJ

Intermediate Algebra
Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this. -3x + y = 4 x + 3y = 22 Here's what I came up with (where did I go wrong) -3x + y = 4 y = 4 - 3x -3x + (4-3x) = 4 -3x + 1x = 4 -2x = 4 x= -2 -2x...
October 11, 2010 by Jordyn

***chemistry
Why is vinegar recommended for cleaning coffee pots, steam irons, and kitchen and bathroom faucets with white deposits on them? Why does it work, and what is the chemical equation for how it works?
November 3, 2010 by samantha

College Algebra
Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 11x + 8y = 103 22x – 7y = 68
November 13, 2010 by radical10

algebra - college
Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 11x + 8y = 103 22x – 7y = 68
November 13, 2010 by hog tied

physics
A plane designed for vertical takeoff has a mass of 51 kg. Find the net work Wnet as it accelerates upward at 1 m/s2 through a distance of 34 m after starting from rest.
December 8, 2010 by anna

physics
a particle of mass 1 gram is rotated in a horizontal circle of radius 1 meter.it moves with a velocity 2 meters per second in magnitude the work done in 1 revolution is?
February 6, 2011 by Anonymous

chemistry
how would i work out the problem for: a sample of oil has a mass of 65g and a volume of 80.0 ml what is its specific gravity. please show formula. thank you. Mary hornbeck
February 20, 2011 by mary- please check for accuracy.

English
I'm writing an easy about my hero. I need s strong into sentence with a a action work. So carving have "Taylor swift has impacted my life..''
March 9, 2011 by EnglishLove

4th grade math
ted is an airline attendant and must wear a uniform to work.he has 3 shirts,4 slacks,and 2 ties from which to choose.how many outfits are possible with these choices?
March 30, 2011 by megajolt

Math
I am stuck on this question. Could someone work it out. Id appreciate it. Find the amount of A in an account after t years given the following conditions. dA/dt = 0.04A A(0) = 7000 A(t) =
April 25, 2011 by JL

Algebra
45x divided by 6t x 11x I have tried to work this out, however, do not understand it at all. The book gives an answer of (55x squared)t. Can anyone explain this to me? Thank you
April 27, 2011 by tish

math
Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. -15r + 12s = 24 30r – 24s = 48
June 21, 2011 by NATASHA

Math
Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 8x + 11y = -50 -32x – 44y = -200
August 10, 2011 by Donnice

Math
Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 8x + 11y = -50 -32x – 44y = -200
August 10, 2011 by Donnice

PHYSICS
Give some examples of applications that resulted from work done by physicists on superconductivity? Don't understand this. I only got wires as an answer which totally doesn't seem correct.
September 7, 2011 by Anonymous

Melillo Middle shcool
I need to work up a 5th grade Explorer recruitment Post for my Sicence class on Sir Frances Drake. an you give me information
October 5, 2011 by Roxy

algebra
Perform the indicated operation and, if possible, simplify. Please show all of your work. Write your final answer exactly as a fraction in lowest terms. 14/45 / 26/27
October 12, 2011 by Anonymous

physics
The net work done in accelerating a propeller from rest to an angular speed of 110 rad/s is 1822.5 J. What is the moment of inertia of the pro- peller? Answer in units of kg · m2
October 21, 2011 by phys101

calculus
Find the coordinates of all points on the graph of y=23−x2 at which the tangent line passes through the point (10,26).please show the work i greatly appreciate it :)
October 30, 2011 by mehak

chemistry
What mass, in grams, of oxygen gas (O2) is contained in a 10.5 liter tank at 27.3 degrees Celsius and 1.83 atmospheres? Show all of the work used to solve this problem.
December 19, 2011 by sarena

pre calculus
Having a bit of a problem with this for the given functions f, g and h. find f*g*h and state the exact domain of f*g*h Please show all your work f(x) = inx g(x) = x -169 h(x) = 9x^2
December 21, 2011 by Amy

statistics
I'm stuck on a question in MM207... Assume you want to estimate with the proportion of students who commute less than 5 miles to work within 2%, what sample size would you need?
January 10, 2012 by lisa

Intermediate Algebra
Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 14x + 18y = -54,-4x – 14y = 42
April 4, 2012 by Ciara

geometry
If the parallel sides of a trapezoid are contained by the lines and , find the equation of the line that contains the midsegment. Show equations and all work that leads to your answer.
April 22, 2012 by Anonymous

Chemistry
2CO(g) + O2(g) 2CO2(g) Go = -511.6 kJ and So = -173.1 J/K at 314 K and 1 atm. The maximum amount of work that could be done by this reaction when 2.43 moles of CO(g) react at standard conditions at this temperature is__________ kJ. how?!
April 26, 2012 by Bryan

science
if you ride a bike an average speed of 4km/h and need to travel a total distance of 28km how long will it take you to reach destination. show work
July 3, 2012 by Anonymous

intermediate algebra
solve using the substition method. show your work. if the system has no solution or an iniinite number of solutions, state this 18x+6y=78 12x+54y=-48
August 22, 2012 by TB

statistics
A two-tailed test is conducted at the 5% significance level. What is the right tail percentile required to reject the null hypothesis? Show work to understand.
September 21, 2012 by Anonymous

physics
A cheerleader lifts his 62.2 kg partner straight up off the ground a distance of 0.89 m before releasing her. The acceleration of gravity is 9.8 m/s 2 . If he does this 19 times, how much work has he done? Answer in units of J
September 27, 2012 by LYNN

ap chemistry
A sample of gas in a cylinder of volume 4.09 L at 289 K and 3.43 atm expands to 7.73 L by two different pathways. Path A is an isothermal, reversible expansion. Calculate the work
October 31, 2012 by cheri

5th Grade Math
Need to show my work for the following: 646,505,712,103 divded by 72. Am having such a hard time please help.
November 12, 2012 by Ryan

Math
write order pairs for the following scenrios... a). if the neighbor decides to pay with in the first hour wage $12.. then $14... then $16.... then $18.... and then $20.... b). you will work for $12 to retake, it takes you 5 hours to do the job
December 2, 2012 by Faez

Chemistry 2
How many grams of nickel metal are plated out when a constant current of 15.0 A is passed through aqueous NICl2 for 60.0 minutes. Show all work. Please help!
December 4, 2012 by Ashley

Algebra 1
Okay. So I am completely lost with this... Any help would be great! 3. Solve the system using any method – graphing, substitution, or linear combination. Make sure to show your work. 2x + 5y= 8 x + 3y= 2
January 10, 2013 by Miranda

Science
Joe pushes a lawn mower four times as far as Mary while exerting only half the force, who does more work? And by how much?
April 21, 2013 by Tara

chemistry
Calculate the molar solubility of silver chloride (AgCl) in: a-deionized water and b-.20M NaCl solution Given Ksp=1.6*10^-10 please show work.
April 25, 2013 by jo

kalif
Which writer and poet developed the style and form of sonnets in his work Il Canzoniere? Francesco Petrarch William Shakespeare Thomas Wyatt Edmund Spenser
May 28, 2013 by kalif

Physics
William Tell fired an arrow with a velocity of 100 m/s at an angle of 30˚. How long will it take to reach its highest point? Please show work
June 25, 2013 by Lynn

children who require special treatment
transactional analysis is based on the work of? a.eric berne b.john bowlby c.christy brown d. sulla wolf my answer is a
August 6, 2013 by susue

English
An epic is a narrative or poetic literary work that tells of A.) the traditions of an ancient culture. B.) the adventures of a legendary here. C.) the history and myths of a country. I think it is B..?
January 9, 2014 by Cassie

Algebra
Solve each exponential equation. Give the exact value for x. I work them out and they are wrong what am I doing that is not right. 8^X=1/64 -2 3^x=6 In(6) In(3)or 1.63 8^x=6.5 0.624over In2 0r 0.900 3^x=4 2In (2) 0ver In3 0r 1.26
May 8, 2014 by Mary Ann

Algebra
Divide. Show all work. Make sure to simplify. Assume no denominator equals zero x^2-144/x^2+7x-60 divided by 3x-36/9x-45 I'm really confused on this and if anyone can help, I'd appreciate it. Thanks!
June 5, 2014 by Emily

Isizulu,history,maths lit,geography,english and LO
which work do i qualify for with these subjects and my results are very good,i also have a drivers licence with PRDP
July 30, 2014 by siyabonga

chemistry
HCL is tritrated with NaOH. KHP is then added. A possible source of systematic error in this experiment is failure to dry the KHP. If this occured, would the final wt% NA2CO3 be falsely high, falsely low, or unaffected. Give reasoning. Thanks. You have left out much of the ...
September 6, 2006 by bria

Algebra
Eye color is determined by genetic combination. Let R represent the gene for brown eyes and l represent the gene for blue eyes. Any gene combination including R represents browns eyes. Consider the offspring of a parents with homozygous brown-eyed, RR, gene combo and a parent ...
February 22, 2014 by Kathy

physics
An SUV has a height h and a wheelbase of length b. Its center of mass is midway between the wheels and at a distance αh above the ground, where 0 < α < 1. The SUV enters a turn at a dangerously high speed, v. The radius of the turn is R (R >> b), and the ...
April 11, 2011 by No idea how to solve !!!!

psychology
In class we were asked to provide an one example of classical and operant conditioning. We have to identify the stimulus, response and reinforcers in each example. here are my examples: Clasical Conditioning- My cat comes running everytime she hears the can opener. Operant ...
November 7, 2006 by jenna

Chemistry
Hi I hope you can understand this...the Na ion is attached to the oxygen using ionic bonding. The \/ are meant to symbolize the hydrocarbon chain. The || is a double bond that bonds oxgen to carbon. O || Na O/\/\/\/\/\/ + CaCl2 -> ? + NaCl To give you some background, it ...
January 20, 2011 by Me

Algebra HELP
1.You have recently found a location for your bakery and have begun implementing the first phases of your business plan. Your budget consists of an $80,000 loan from your family and a $38,250 small business loan. These loans must be repaid in full within 10 years. a)What ...
May 22, 2008 by Anonymous

English
Can you check these sentences for me, please? Thank you. 1) The king ruled over England from 1189 to 1199. During his absence/in his absence his younger brother became king. He was unpopular because he demanded high taxes. 2) The king was orced to sign a document, accordin to ...
January 23, 2011 by Franco

Physic please check
A house has a floor area of 119 m2 and an outside wall that has an area of 32 m2. The earth's magnetic field here has a horizontal component of 2.1 x 10^-5 T that points due north and a vertical component of 5.0 x 10^-5 T that points straight down, toward the earth. (a) ...
November 5, 2007 by Mary

Chemistry
Using the following information, identify the strong electrolyte whose general formula is Mx(A)y * zH2O Ignore the effect of interionic attractions in the solution. a. A"-is a common oxyanion. When 30.0 mg of the anhydrous sodium salt containing this oxyanion (Na,,A, where n...
April 11, 2007 by Gaby

English
Ileft out the following questions. Could you please have a look at them, too? Thank you. 1) To which period of Shakespeae's work does the Tempest belong? Can you refer to the two types of evil described in the play? What do you generally ask if you want to know the plot or the...
August 23, 2011 by Henry2

what is
1.3 /73.814 In significant digit notation, divid, and the answer to two significant digits. I will be happy to critique your work.
August 31, 2005 by kme

Physics
A child pulls a toy across the floor. Is the work done on the toy positive or negative? Explain your reasoning.
December 10, 2006 by Anonymous

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