1. Physics help please

    A crate is dragged 5.0 along a rough floor with a constant velocity by a worker applying a force of 125N to a rope at an angle of 30degrees to the horizontal. Calculate the work done by the tension in the rope, the force of friction, and the net force. I
  2. Math / Algebra

    Factor: 8ab - 16ac + 12a anyone wanna help me out with this, i know how to normally work out problems like this but for some reason im not getting the correct answer when i work it out...
  3. adult education

    I am doing a research for dissertation based on work life balance...can anyone help me ,work out on the title of poject,and where is the best place to search
  4. physics

    How much work is done on a bookshelf being pulled 5.00m at an angle of 37.0 degrees from the horizontal? The magnitude of the component of the force that does the work is 43.0N
  5. Sciance/Math

    How how can i turn this formula into a simple word problem... Percent efficiency(e)= Work out (J) _____________ x100 Work in (J)
  6. physics

    An electric motor is tested and found 76% efficient. if the input work is 400 J, what is the motors output work?
  7. Physics

    A force of 3.00N acts through a distance of 12m in the direction of the force.Find the work done. work= force *distance If force is in newtons, distance in meters, the work unit is in joules.
  8. Speech

    Please help me write an eight sentence paragraph that fully develops the topic. 1. Getting along with other people is important in my work. What exactly does "getting along" involve? What goals would "getting along" help you to meet your work goals? How
  9. Physics

    Help how to find work If a worker pulls a 10kg bucket up a 25 m well, how much work has he or she done?
  10. fluid power

    a cyclinder must move a 2000lb load 2 ft. how much work must work in perform
  11. Algebra

    Quick Question, when would an inequality like this work: x^2 - 4x >or equal to 0? ...What would I have to do to figure out when this would and would not work?
  12. Algebra

    Quick Question, when would an inequality like this work: x^2 - 4x >or equal to 0? ...What would I have to do to figure out when this would and would not work?
  13. science

    how much work is required to pull a sled if you use 60j of work in 5 seconds
  14. physical science

    what is required for work a force moving something, and movement of that something in the direction of work.
  15. Math

    Mark finished 3/5 of his work in 15 mins how long will it take to finish all of his work?
  16. math

    A,B,C contract a work for 1020.together A and B are supposed to do 9/17 of work.how much C get? ans 480rs
  17. English

    Literature: Explain how the historical context of a work can impact that work?
  18. math

    I work 1 and 1/4 hour per day how many hours do I work per week and for five weeks
  19. Mathematics

    Simplify the expression. (6x^-2)^2(0.5x)^4. Show your work. I know that the answer is 9x^2-+4 I just need help showing the work. PLEASE HELP!
  20. Math

    The value of 12 is obtained by multiplying p% by A.12 B.12/p C.p/12 D.1200/p E.100p/12 Is there any work for this?, if so please show work.
  21. Maths - IQR

    Hi! How do you work out the Inter Quartile range? WHats the name for xbar and how do you work this out? THanks
  22. Math

    ^=exponents /= divide So I am not sure how to do this. It is an example in my book but I still don't get it. Can you work through ti so I can do my real work. (-1^2+-1^-2)^-1 [(-1)^2+(-1)^-2)]^-1 = [1 + 1/(-1)^2]^-1 = (1 + 1)^-1 = 1/2
  23. Math

    Mark finished 3/5 of his work in 15 mins how long will it take to finish all of his work?
  24. Math

    Mark finished 3/5 of his work in 15 mins how long will it take to finish all of his work?
  25. Life orientation

    Work ethics,4 actions to deal with unethical behavior at work
  26. thermochemistry

    what is the mass of a lead block that if heated to 100.0 dgrs C and placed in a container with 50.0g of ice at 0.00dgrs C produces a final water sample of 15.0dgrs C? Sh of Pb= 0.128J/g dgrsC step by step solution and answer q1 for Pb block = mass x sp.h.
  27. Math cont.

    The neighborhood skateboard club is starting a fundraiser in order to buy more skateboards. They have decided to sell logo mugs. The Mugs on Mugs Company offers to supply mugs to the club for $3.75 each plus a $55 process and handling fee. The Punny-Cups
  28. English

    I just need to know if zapping, channel surfing are synonyms, if subscribe is followed by to, and if propose could be followed the indirect object. I included a few more sentences I really don't know if they are possible. 1) I hate people zapping (channel
  29. physics

    A 800kg , light-weight helicopter ascends from the ground with an acceleration of 3.00m/s2 . Part A Over a 6.50s interval, what is the work done by the lifting force? Part B What is the work done by the gravitational force? Part C What is the work done by
  30. History

    I'm having trouble answering these questions. Can someone help without being mean? Please help! Much appreciated! Excerpt from Douglas’s speech: "I believe that the Union can only be preserved by maintaining inviolate the Constitution of the United
  31. graphing-reposting

    It looks like a double ski ramp...going down, min, then up, then way down to the bottom of the hill, then up slightly, then down. The first minimum is greater than the small rise at the bottom Sketch the graph of a differentiable function y = f(x) with
  32. SUVs and Cars (Math)

    In a parking lot, the # of ordinary cars is larger than the # of sports utility vehicles. by 94.7%. The difference btwn the # of cars and the # of SUV's is 18. Find the # of SUV's. ~My thoughts and work: C= Cars # S= SUV # C-S= 18 (C/S)*100= 94.7% Can I
  33. Fiancial Management

    You decide to purchase a building for $30,000, you put $5,000 down payment. The banks offers you a 15 yr mortgage requiring annual end of year payments of $3,188. The bank also requires you to pay a 3% loan originatio fee. Compare the annual % rate of
  34. Social Studies

    what is a legitimate government? A. one in which government leaders obtain and keep power by using force. B. one that offers the fastest solutions to a nations problems and citizens needs C. one that is created by a union or many smaller groups that could
  35. *Repost* (sorry!) Health & PE HELP ASAP PLEASE!!!!

    1. A long term health benefit of regular physical activity is improved A. coordination B. reaction time C. ability to fight heart disease***** D. speed 2. Ginger and Kelly go to the same middle school in their town. Ginger rides her bike daily to and from
  36. language arts

    During the lecture at Florida state, the audience of scientist was curious about how the guest speaker would treat the topic of life on other planets Q : what is the meaning of the word treat at is used in the sentence? A : To pay another persons expenses
  37. American Government

    I need help with the following question I am not sure if the answer is B or C. General Revenue Sharing offers states and localities even greater flexibility than block grants because they? A.are given a blank check. B.are completely unaccountable to the
  38. language arts

    During the lecture at Florida state, the audience of scientist was curious about how the guest speaker would treat the topic of life on other planets Q : what is the meaning of the word treat at is used in the sentence? A : To pay another persons expenses
  39. language arts

    During the lecture at Florida state, the audience of scientist was curious about how the guest speaker would treat the topic of life on other planets Q : what is the meaning of the word treat at is used in the sentence? A : To pay another persons expenses
  40. Geography

    why was the economy in the new england colony different from the economy in the middle colonies? A. The environment provided different resources for earning a living B. The settlers had different skills and work experience C. Religious beliefs affected the
  41. Math

    A work crew of 3 people requires 3 weeks and 2 days to do a certain job. How long would it take a work crew of 4 people to do the same job if each person of both crews works at the same rate as each of the others? Note: each week contains six work days.
  42. Math

    Store A offers a 60% discount. Store B has a sale for 2/3 off. Which store gives the greater discount? Explain.
  43. math

    an airline company offers a round-trip group flight from New York to London. If x people sign up for the flight, the cost of each ticket is to be 1000-2x dollars. Find the maximum revenue the airline company can receive from the sale of tickets from the
  44. English

    I forgot to include the following sentences. Thank you. 1) Our school is renowned for the study (?) of bio-technologies and is equipped with state-of-the-art physics and chemistry laboratories. However, it also offers a course of study with an emphases on
  45. math

    6. A lottery offers two options for the prize. Option A: $1000 a week for life Option B: $ 600 000 in one lump sum. The current expected rate of return for large investment is 7%/a, compounded weekly. a. Which option would the winner choose if s/he expects
  46. Chemistry

    I have a question about buffers. Part A So it starts with 20ml 0.1 sodium acetate and 25ml 0.1 acetic acid. Calculate ph of buffer is 4.74 because the acid and conjugate base have the same molarity correct? So the Ph is just pKa (1.8e-5)? Part B So the
  47. English

    Identify the correct sentence. a) Please pick me up at five p.m. at night after work. b) Please pick me up at 5 p.m. after work. c) Please pick me up at 5 pm at night after work. d) Please pick me up at 5:00 p.m. after work. B
  48. Math

    When you're finding the sign of f' and f'' to find a local maximum/minimum, concavity and inflection point where do you substitute the tangent/critical points? In which function? f(x), f'(x) or f''(x)?
  49. Geography

    conduct research to examine the sphere of influence of an organisation that renders a service in a community .eg.clinic,hospital,a local high school
  50. Criminal Justice

    Compare and contrast state and local programs as they contribute to successful reintegration and transition services for women in the criminal justice system
  51. math calculus

    Find the intervals on which the function f(x)=x²/³(10-x) is increasing and decreasing. Sketch the graph of y=f(x)and identify any local maxima and minima. Any global extrema should also be identified.
  52. All

    I just wanted to give thanks to all of the people on this website for all of the hard work and time you have given to me and to others. I still have much work to do so I just hope you will continue to be there for me as well as others.Thank you and God
  53. ethics

    Why do you think employers don't want you to use social networking sites at work? What would be the consequence of dressing inappropriately at your place of work? What would happen if someone did?
  54. Physics A

    how much work is being done a bookshelf being pulled 5 meters at an angle of 37 degrees from the horizontal? The magnitude of the component of the force that does the work is 43 Newtons
  55. physics

    Does the tension in the rope or chain of a swing do any work on a child who is swinging? No. Work is done when the force is applied in the direction of motion.
  56. socials

    what be the relationship between female literacy and reduced birth rates? that be the more education they get the less kids they have because their concentration go towards work so they work to be independent.
  57. PLEASEEEEEEEEEEEEE HELP. (GEOMETRY)

    A right triangle has hypotenuse 8 and area 8. Find the perimeter? I think I have to use Heron's Formula for this question. Please help & show work. Thank you very much. Your work is very much appreciated.
  58. GIVE ME A JOB

    WHY CAN`T KIDS WORK? Here is something that may be interesting to you and provide some answers to your question. (Broken Link Removed) Because if they were alowed to work they would be exploited like they used to be.
  59. Math

    A person begins work at 9:00am on the east cost and ends their shift at 1:00 am on the pacific coast. How many hours did they work?
  60. Physics

    The work required to stretch a certain spring from an elongation of 4.11 cm to an elongation of 5.11 cm is 32.0 J. (a) Is the work required to increase the elongation of the spring from 5.11 cm to 6.11 cm greater than, less than, or equal to 32.0 J? (b)
  61. mechanics_ physics

    A trolley is use in pushing a book 1.20m along a horizontal table top with a horizonta force of 3.0N. The opposing force of friction is 0.6N. 1. How much work does his 3.0N force 2.what is the work done on the book by the friction? The total work done on
  62. physics

    Part 1 A 15.6 kg block is dragged over a rough, hor- izontal surface by a constant force of 72.2 N acting at an angle of angle 34.8 above the horizontal. The block is displaced 24.6 m and the coefficient of kinetic friction is 0.234. Find the work done by
  63. Sociology

    Scenario 1: The trip scheduled for Mexio during spring break has been cancelled due to the bankruptcy of the bus company. You must tell 25 of your classmates that the trip has been cancelled and that they have lost their $100 deposit. How will you convey
  64. math

    Dominoes pizza offers 30 different types of pizza and 9 of them contain pepperoni. what percentage of their total number of pizza types have pepperoni on it? Can someone explain to me the procedure please
  65. math

    you are going to open a certificate of deposit $500 for 3 years with 2% interest. another bank offers a CD in which you must deposit $250 for 4 years with 3% interest. Which CD will earn more interest.
  66. college physics

    Two workers are loading crates onto a pick up truck. Worker 1 lifts his crate straight up from the ground to the truck. Worker 2 slides his crate up a ramp which has frictionless rollers. Which statement is true about the work being done on the crate? a.
  67. time n work

    a and b together can do a piece of work in16 days.b and c can do same work in 32 days.after a worked for 4 days and b for 12 days c takes it up and finishes it in 48 days.in how many days will each of them complete work
  68. human services

    what would be the definition for the words problem, policy, and programs for health and human services? would you say problems.. what a person is going through? policy.. being what the agency has to follow such as guidelines and programs... things the
  69. critical reading

    pls help me with this question. 1.the premises of an argument are the assertions and the evidence that the author offers in support of the conclusion. true or false. i think is true but an not sure. 2.The factors that influence newsworthiness are based on
  70. math & finance

    A bank offers a rate of 5.3% compounded semi-annually on its four year GICs(Guaranteed Investment Certificates). What monthly and annually compounded rates should it quote in order to have the same effective interest rate at all three nominal rates?
  71. Compound Interest

    A bank offers a rate of 5.3% compounded semi-annually on its four year GICs(Guaranteed Investment Certificates). What monthly and annually compounded rates should it quote in order to have the same effective interest rate at all three nominal rates?
  72. compounded interest

    A bank offers a rate of 5.3% compounded semi-annually on its four year GICs(Guaranteed Investment Certificates). What monthly and annually compounded rates should it quote in order to have the same effective interest rate at all three nominal rates?
  73. College Physics

    (a) How many hours does it take him to work off a 450 Calorie bagel if he stays in bed all day? (b) How long does it take him if he's working out? 2 h (c) Calculate the amount of mechanical work necessary to lift a 126 kg barbell 2.10 m. 3 J (d) He drops
  74. Chem

    Determine the final temp when 45.8g of aluminum at -5.2C is added to a mixture of 45.0g of ice at 0C and 2000g of water at 95C?
  75. Science

    Which reaction is exothermic? A. Cellular respiration B. Photosynthesis C. Baking soda + vinegar D. Melting Ice***
  76. chemistry

    Calculate the total amount of heat (in calories) that would be required to convert 15.0 g of ice at 0 oC to 15.0 g of steam at 100 oC.
  77. science

    if ice forms on the outside of a glass cup, which would be the likely temperature? 1.36degreesf 2.25 degreesf 3. 40degreesf 4.80degreesf 5. 33degreesf
  78. Antarctica

    Explain why this statement is correct. "Ice makes Antarcica both the lowest of the continental masses and the highest."
  79. Physical Science

    How much heat is needed to melt a sample of ice if the temperature of 150 g of water in the calorimeter is lowered from 23.0 C to 0 C?
  80. physics

    a .105 kg hockey puck moving at 48 m/s is caught by a 75 kg goalie at rest. With what speed does the slide on the ice?
  81. Chemistry

    Calculate the total heat energy needed to convert 110g of ice at -10°C to steam at 110°C..?
  82. Physics

    Why do some cooks put ice in the pot to cook meat? Explain then prove your answer by solution?
  83. Physics

    I have an ice cube :3000 KG,the tempereture is about 50 (cel).would you please let me know how much does it take long for it to change into water ,Hourly Basis ? Regards
  84. physics

    How many calories of heat are required to convert 230 grams of ice at -10.0C to a gas with a temperature of 1500C?
  85. chemistry

    Calculate how many joules of (total) heat energy are needed to convert the ice at -25.0 *C to steam at 100.0 *C?
  86. Physics-science

    what is the heat required in kilo calories to covert 2kg of ice at 0 c completely into stream at 100c
  87. PHYSICS

    Determine the resulting temperature when 1kg of ice at 0 Degree celcius is mixed with 9kg of water.
  88. Physics

    Why do some cooks put ice in the pot to cook meat? Explain then prove your answer by solution.
  89. Chemistry

    How many calories are required at 0 degrees C to melt an ice cube with a mass of 25g? I got 2000 cal. Could you tell me if this is right?
  90. Chemistry

    Calculate the amount of energy in calories that is needed to melt 45g of ice at -20°C and then increase the temperature to 95°C
  91. Physics

    Which method of sliding a block of ice requires less force—(a) pushing or (b) pulling at the same angle above the horizontal?
  92. physics

    A cube of ice, 28 cm on each side, is melted into a measuring cup. What is the volume of the liquid water? ------cm3
  93. chemistry

    What is the total change in entropy when 10.0 g of ice melts at 25.0°C? DHfus = 6.01 kJ/mol The answer is 1.03 J/K but idk how to find it.
  94. physics

    a hockey puck is sliding freely across a pound of friction ice. What is the free-body diagram?
  95. chemistry

    Calculate the heat outflow when 2 kg of dry saturated steam at 8.0 bar is converted into ice at -lO0C.
  96. Physics

    Steam of mass 11.0 g at 100°C is added to 114.8 g of ice at 0.00°C. Find the final temperature of the system.
  97. math

    A swimmer swam 0.8 mi at 0.0323 mi per min in waters created by melted sea ice. What was his​ time?
  98. chemistry

    find the number of grams of ice, at 0 degrees celcius that could be melted by the addition of 3.6 kilojoules of heat.
  99. physics

    you chop 50 g of ice at 0 degrees celsius into 200g of water at 40 degress celcius. What is the final temperature?
  100. chemistry

    determine the total amount of energy required to heat 25g of ice at -18 C to steam at 125 C