Rank the crystal lattice structures in order of decreasing efficiency of space in the structure.

20,916 results, page 68

  1. PHYSICS HELP!!

    A motorised gearbox has a reduction ratio of 50:1. The power input to the gearbox is 5 kW at 1440 RPM. The gearbox efficiency is 85% under maximum load conditions. The output shaft of the gearbox is attached to a winch drum of pitch diameter 220 mm and is used to hoist a load...
  2. PHYSICS HELP!!

    A motorised gearbox has a reduction ratio of 50:1. The power input to the gearbox is 5 kW at 1440 RPM. The gearbox efficiency is 85% under maximum load conditions. The output shaft of the gearbox is attached to a winch drum of pitch diameter 220 mm and is used to hoist a load...
  3. English

    I left out the following sentences. Thank you. 1) Some schools valued their pupils' athletic achievements more than their academic ones. Team games became essential for inculcating discipline, obedience and sense of duty in the pupils. 2) Team games such as football, cricket ...
  4. CHemistry Dr. Bob please?

    for bond energies if tehy give u a diagram of the structure for whatever like c--h--o==h or soemthing amd a chart with c--h=-670 Kj /mol or whatever do u just add all of the KJ/mol together? but what if they only want kJ? would you just multply whatever kJ/mol *1 mol?? how do ...
  5. Grammar and Composition

    ok, after i posted this yesterday: ok, now that i have my pet peeve, i have to fill out this sheet. (please read my earlier post for more info on the assignment) Pet Peeve--Organizational Sheet Audience: Who will be your audience? You must indicate an audience that your ...
  6. Literature/Social Studies (Ms. Sue!)

    The New Frontier" by John F. Kennedy. 1. What ideas does Kennedy express by quoting William Brandford? A: By quoting William Bradford, Kennedy expresses the idea that, despite great difficulties, man can overcome anything through their will and determination. 2. What reasons ...
  7. 5th grade math

    suppose you made your garden 5ft wide... what would its length be? what would its area be? what would be the area of the left over space in the yard.
  8. physics

    In the outer space, a constant force is applied to a 32.5 kg probe initially at rest. The probe moves a distance of 100 m in 10 s. (a) What acceleration does this force produce? (b) What is the magnitude of the force?
  9. physics

    A particle (mass = 5.0 g, charge = 40 mC) moves in a region of space where the electric field is uniform and is given by Ex = -5.5 N/C, Ey = Ez = 0. If the position and velocity of the particle at t = 0 are given by x = y = z = 0 and vx = 50 m/s, vy = vz = 0, what is the ...
  10. FREE BODY DIAGRAM calculus

    A car is traveling north towards an intersection at 60mph at the same time a truck is headed east toward the same intersection at 45mph. Find the rate of change of the distance between the car and truck when the car is 3 miles south of the intersection and the truck is 4 miles...
  11. science

    how are plants and windmills alike They both depend upon air? They both lift water from the ground. can u help me get an answer for this cause i have to write a 2 page easy on this and i don't know were to get the info''How do weather conditions affect when space launches take...
  12. reaearch paper

    How can I narrow down all my research to 3 pages? Smaller font, no run on sentences, no useless info if you have to dubble space don't (hearts) Edit out all of the parts that don't directly pertain to your thesis statement.
  13. math

    here is my problems url its typed with spaces please rewrite it with out space to see the image. and it wont need password or anything go to (zshare . net )/image/126113093ead8f03 the question is to: *find the area of the shaded region.
  14. Physics

    It has been suggested that rotating cylinders about 10 mi long and 5.6 mi in diameter be placed in space and used as colonies. What angular speed must such a cylinder have so that the centripetal acceleration at its surface equals the free-fall acceleration?
  15. geometry

    Jackson is creating a water garden surrounded by a triangular patch of grass. If the pond will take up the space indicated by the circle, how many square feet of sod will he need to complete the garden (use 3.14 for and round your answer up to the next foot)?
  16. physics

    It has been suggested that rotating cylinders about 10 mi long and 4.9 mi in diameter be placed in space and used as colonies. What angular speed must such a cylinder have so that the centripetal acceleration at its surface equals the free-fall acceleration?
  17. Physics

    It has been suggested that rotating cylinders about 10 mi long and 5.4 mi in diameter be placed in space and used as colonies. What angular speed must such a cylinder have so that the centripetal acceleration at its surface equals the free-fall acceleration?
  18. geometry

    Jackson is creating a water garden surrounded by a triangular patch of grass. If the pond will take up the space indicated by the circle, how many square feet of sod will he need to complete the garden (use 3.14 for and round your answer up to the next foot)?
  19. math

    Jackson is creating a water garden surrounded by a triangular patch of grass. If the pond will take up the space indicated by the circle, how many square feet of sod will he need to complete the garden (use 3.14 for and round your answer up to the next foot)?
  20. geo

    Jackson is creating a water garden surrounded by a triangular patch of grass. If the pond will take up the space indicated by the circle, how many square feet of sod will he need to complete the garden (use 3.14 for and round your answer up to the next foot)?
  21. Art

    In the painting The Bridge at Argenteuil by Claude Monet how did the artist create interesting textures in this image? a. by experimenting with various brushstrokes b. by using only one color c. by concentrating on negative space d. by using no change values Is the answer A?
  22. Physics

    an astronaut of mass 150 kg is stranded 100 m from the international space station and is at rest relative to it he decides to throw his movie camera of mass 4.5 kg away at a speed of 10 m/s he has 5 minutes of air left in his tank does he make it back in time?
  23. algrbra

    the volume of the shape below is placed into a bow that is 10 feet tall and the area of the base is 48ft squared feet. to the nearest tenth what is the remaining space. The figure is a sphere that has a radius of 6 ft. r=6ft I really need help figuring how to do this.
  24. algrbra

    the volume of the shape below is placed into a bow that is 10 feet tall and the area of the base is 48ft squared feet. to the nearest tenth what is the remaining space. The figure is a sphere that has a radius of 6 ft. r=6ft I really need help figuring how to do this
  25. Chemistry

    The decomposition of hydrogen peroxide in solution and in the presence of iodide ion was studied in laboratory, and the following mechanism proposed based on the experimental data. H2O2 + I - = H2O + IO - (slow) H2O2 + IO - = H2O + O2 + I - (fast) Which one of the following ...
  26. international business

    select a multinational organizatio and describe the organization design that the company uses. include information such as structure, subsidiaries, geography,etc. analyze the reason why you blieve the company has chosen this design. do you think that this is the best design ...
  27. Managerial Economics

    Suppose that a firm is currently employing 10 workers, the only variable input, at a wage rate of $100. The average physical product of labor is 25, the last worker added 10 units to total output, and total fixed cost is $5,000. a. What is marginal cost? b. What is average ...
  28. Managerial ECON

    Suppose that a firm is currently employing 10 workers, the only variable input, at a wage rate of $100. The average physical product of labor is 25, the last worker added 10 units to total output, and total fixed cost is $5,000 a. What is marginal cost? b. What is average ...
  29. Math

    Hi, I am doing a practice exam, and I came across this problem and I am have difficultly starting it. A UFO flies horizontally at a constant speed at an altitude of 15 km and passes directly over a tracking telescope on the ground. When the angle of elevation is pi/3, this ...
  30. ELA (English)

    And yet, Linenger recovered quickly. in fact, almost two dozen astronauts have lived in space for more than six months, and four have stayed in orbit for more than a year. These men and women faced the discomfort of weightlessness and overcame them and they all readapted to ...
  31. French

    1. Nous sommes allés faire du ski 2. Nous avons quitté Strasbourg assez tard 3. Nous avons dû passer la nuit à Lyon 4. Nous sommes arrivés à la montagne seulement samedi 5. Il y avait beaucoup de voitures sur la route. 6. Il neigeait 7. La route était mauvaise 8. Il é...
  32. Chemistry

    A certain substance undergoes decomposition by a first-order reaction which has equal to 30.0 minutes. If the initial concentration of the substance is 1.28 mol/liter, what will its concentration be after 2.50 hours? 1. 0.36 M 2. 0.040 M 3. -0.32 M 4. 0.020 M 5. 0.16 M 6. None...
  33. Chemistry

    A large sport utility vehicle has a mass of 2500kg. Calculate the mass of CO2 emitted into the atmosphere upon accelerating the SUVfrom 0.0mph to 66.0 mph. Assume that the required energy comes from the combustion of octane with 30% efficiency. (Hint: Use KE= 1/2mv^2 to ...
  34. Science

    1.What is the genetic code? (1 point) The order of amino acids in proteins makes up the genetic code. The order of amino acids in mRNA makes up the genetic code. The order of nitrogen bases in tRNA makes up the genetic code. The order of nitrogen bases in DNA makes up the ...
  35. Biology

    Can someone please check if my answers are correct? 21. The difference between autotroph and heterotroph is that a. heterotrophs must get energy from sources other than the sun b. heterotrophs can use chemical or light energy sources c. heterotrophs do not obtain energy from ...
  36. Chemistry

    At a given Temperature, the elementary reaction A<--->B in the forward direction is first order in A with a rate constant of 3.90*10^-2s^-1. The reverse reaction is first order in B and the rate constant is 8.20*10^-2s^-1. What is the value at equillibrium for the ...
  37. chemistry

    How does Carbon hybridize it's S and P orbitals and what effect does this have on the 3D structure and chemical behavior? Your answer must include 1) diagrams of SP, SP2, and SP3 bonds as well as any left over Py or Pz orbitals; 2) a discussion with diagrams of how the sigma (...
  38. biology PLEASE ASSIST!!

    1.The structure and functions of the cell are controlled by what??? 2.Explain why DNA is able to play a role in the transmission of hereditary information. 3.State TWO functions of DNA 4. Explain how genetic fingerprinting can be used to prove is the identity of the father of ...
  39. probability

    Let È be the bias of a coin, i.e., the probability of Heads at each toss. We assume that È is uniformly distributed on [0,1]. Let K be the number of Heads in 9 independent tosses. By performing some fancy and very precise measurements on the structure of that particular coin...
  40. english

    A comparison of the poems "quickdraw" and "the farmers bride"! Discuss the techniques used, analyse the language/structure/form explore layers of meaning and comment on the effect of the reader. E.G compare how the poets use verbs or metaphore or imagery or similes etc... ...
  41. Math

    Two balls are to be selected without replacement from a bag containing one red, one blue, one green, one yellow, and one black ball. How many points are there in the sample space?
  42. biology (multiple choice!)

    Evolutionary adaptations that help diverse animals exchange matter with the environment include a. gastrovascular activity, two-layered body, and torpedo shape. b. large volume, long tubular body, and wings. c. complex internal structures, small size, and large surface area. d...
  43. Physics

    When pressure sores develop from sustained positions, the damage occurs at two locations simultaneously – the superficial layers of skin next to the table, and the deep tissue next to the bony structure (e.g. lateral aspect of the femur) that the patient is lying on. ...
  44. Physics

    In outer space, a constat net force of magnitude 140 N is exerted on a 32.5 kg probe initially at rest. (a) what acceleration does thie force produce? (b) how far does the probe travel in 10.0 s... I got a which equals 4.31 m.s^2 but how do i solve for b
  45. English

    Hello. I wonder if English has certain rules concerning word division (I mean when there isn't enough space for a word on the line (or-ga-nize). I will appreciate it if you give a reference (if any)to this material. Thank you for all your detailed answers.
  46. painting

    compare and contrast the representation of weight and space in the painting of The Good Shepherd in the Catacomb of Saints Pietro and Marcellino (Image 15-2) and the mosaic of Justinian and Attendants in Ravenna's Church of San Vitale (Image 15-5)
  47. probability

    a coin is flipped fifteen times how many elements are in the equally- likely sample space? how many different events exist? what is the probability of at most a head occurring? what are the odds at least one head OCCURS
  48. math

    Suppose that the mosquito population of the world is 36000000 and that these mosquitoes can be packed into a cubic box with no space wasted. If the average volume of the mosquito is 6mm^3,how long would the edge of the box have to be?
  49. Physics

    When the Philae probe landed on Comet 67P, it took approximately 28 minutes for a radio signal to be received at the European Space Operations Centre. Determine the distance (in metres) from the Philae probe to Earth.
  50. math

    You have been appointed by the new executive director to chair a committee of agency administrators charged with (1) conducting an inventory of the agency’s various services and activities, (2) recommending a program structure, and (3) recommending responsibility center ...
  51. Operations

    You have a retail-clothing store for fashion items. For simplicity, let us consider just one gown in this question. You have to purchase your inventory at the start of the season at $60 per gown, and you plan to sell it $100. You have a 50% chance of selling more than 10 gowns...
  52. Science

    What kind of Information can a Compound microscope provide? Much more information than I can type for the next three months. Blood cells, animal parts, leaf structures, snow flakes, and you get the idea. I was sick about two weeks when I was a child and we didn't know what was...
  53. Rocket Science

    Calculate the minimum change in velocity (delta V or ∆V) required for the Space Shuttle to decrease its altitude to 60 miles if it’s orbiting with an apogee of 246 miles and a perigee of 212 miles above the surface of Earth
  54. Math/Science

    Calculate the minimum change in velocity (delta V or ∆V) required for the Space Shuttle to decrease its altitude to 60 miles if it’s orbiting with an apogee of 260 miles and a perigee of 220 miles above the surface of Earth.
  55. Solar Energy Please Help

    a) Family Smith has already installed PV in their house. Now, they also want to cover their needs for warm water with solar energy. For this, they consider having a solar thermal water heating system. Considering that the need for warm water is 100L/day, the water has to be ...
  56. Math

    A square is 10.5 sq ft by 10.5 sq. ft. The tiles used are 1 sq. ft. How many tiles will be used to fill the space?
  57. space

    If someone observes the moon for 60 days what days will their be a full moon?
  58. Spanish

    What is UOLSRRSEDELO unscrambled? The word is a spanish word and is written as: _ _ _(space) _ _ _ _ _ _ _ _ _ Thanks!
  59. math

    A guy wire (a tensioned cable designed to add stability to a free-standing structure) is attached to a telephone pole whose height is 25 ft. If the wire is attached to the ground at a point 15 ft away from the base of the pole, what is the slope of the wire?
  60. english thesis

    I am not sure if my my original post, posted? lol o Age, understanding the concept of death, and the changes in family structure all depict the type of grieving a child will experience after to the death of a sibling. that is my thesis, but I want to know if anybody has ...
  61. Organic chemisty(Please check)

    When drawing a kekule structure for CH3CH2OH(alcohol) do I leave the OH at the end just like it is (OH) or would it be shown as O-H? I know that to start of it would be -C- with an H on the top and the bottom as well as the left side and then connected to the C would be ...
  62. Science

    Please help me with my sciene? Which type of eclipse would you expect to see if the moon passes directly between Earth and the sun? (1 point) a solar eclipse a lunar eclipse a total lunar eclipse a penumbra 2. Which of the following statements about a lunar eclipse is true? (1...
  63. Math

    I don't know how to solve this math problem? A call center is 120 yd. long and 40 yd. wide. Each employee requires 30 sq. ft. if the center needs to have 40% of open space, how many employees can be seated in the center?
  64. science

    a satellite in force free space sweeps stationary interplanetary dust at a rate of dM/dt=alpha v, where M is mass and v is speed of satellite and alpha is a constant. the tangential acceleration of satellite
  65. Math

    A rectangular family room has 204 square feet of floor space. If its length is 17 feet, how many feet wide is it? A. 18 B. 12 C. 17 D. 187 E. Not enough information is given. Answer: 204/17=12
  66. Chemistry

    Hi I was hoping to get some help on this. It's review for my chemistry text on Monday and I would be grateful if someone could help me out. My teacher has been out for two weeks but we still have to know this material. 1. The following data was collected for the reaction ...
  67. Cognitive psycology

    o Define language and lexicon. o Evaluate the key features of language. o Describe the four levels of language structure and processing. o Analyze the role of language processing in cognitive psychology
  68. Biology: Genetics

    How do nucleotides and hydrogen bonds affect the structure of DNA? Maybe something like nucleotides make up DNA and hydrogen bonds hold the nitrogenous bases together? Can you help me explain?
  69. 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.
  70. 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.
  71. Calculus

    In order to express the function y=12^19x+7 as a composition of two functions the outer of which is an exponential function,we would let u be equal to the inner function, u=19x+7, and then write y as a function of u, as follows: y= ??? . (b) In order to express the function P=...
  72. Chemistry

    Based on the following observations for 3 unidentified metals (Z, X, and D) and solutions of their metal cations (Zn+ and En+), rank the metals in terms of reducing agent strength, from lowest to highest. -When metal X is placed in an aqueous solution of En+, a dark residue ...
  73. physics

    A mover pushes a couch a distance of 4 m to the top of a ramp into the back of a truck using 500 N of force. A) What is the work input of the mover? B) What is the mover’s power if the task takes 10s? C) If the mass of the couch is 100 kg and the back of the truck is 1.5 m ...
  74. Science Question?

    When it was first classified by biologists, the elephant shrew was placed with the bicolored shrew in a cladogram. Since then, additional evidence has been found that caused scientists to remove the elephant shrew from the shrew group and place it in a new position in a ...
  75. Math

    In order to estimate the mean amount of time computer users spend on the internet each month, how many computer users must be surveyed in order to be 95​% confident that your sample mean is within 11 minutes of the population​ mean? Assume that the standard ...
  76. calculus help please

    A piece of wire 14 m long is cut into two pieces. One piece is bent into a square and the other is bent into an equilateral triangle. (a) How much wire should be used for the square in order to maximize the total area? = 14 m (b) How much wire should be used for the square in ...
  77. Chemistry

    Write the structure for the alkane: molecular mass = 72 u; forms four monochlorination products. Well since its 72u and its an alkane, I figured out that the formula is C5H12. But what does it mean that it "forms 4 monochlorination products"?
  78. Science

    Saccharomyces Cerevisiae is a fungi, it is used in the production of bread. Rhizopus is a fungus that causes mouldy bread. What is the difference between the structure of the fungi, when looking at Saccharomyces and Rhizopus under a microscope?
  79. physics

    A 250. MW coal-fired power plant burns fuel with an energy density of 35.0 MJ kg-1. Water enters the temp reduction tower at 293 K and leaves at 350. K at a rate of 4200. kg s-1. 4. Calculate the energy removed by the water each second. 5. Calculate the energy produced by the ...
  80. physics

    A 250. MW coal-fired power plant burns fuel with an energy density of 35.0 MJ kg-1. Water enters the temp reduction tower at 293 K and leaves at 350. K at a rate of 4200. kg s-1. 4. Calculate the energy removed by the water each second. 5. Calculate the energy produced by the ...
  81. Biology

    How do nucleotides and hydrogen bonds affect the structure of DNA? Maybe something like nucleotides make up DNA and hydrogen bonds hold the nitrogenous bases together?
  82. Correct grammar

    Pick the correct answer which corrects the underlined portion of the following sentences in the simplest way possible – for grammar and/or style, without changing the basic meaning of each sentence. In the evening you can go to a restaurant and order a plate stake burger and...
  83. math

    4x-10=y order pairs
  84. Science

    What are the planets in order?
  85. math115

    ascending order= -2/9, -1/9, 3/7, 5/9, 1/8?
  86. Algebra

    Order of Operation help
  87. Algebra

    -3+5(-6)-[8-6*7)-4(13-5)]-3(-8-10) Order Of operation
  88. math

    what is the degree and order of (1+y')^2=(y')^2
  89. Math

    Order of operstions
  90. math

    how do you put 1/4,2/3,-7,8,-9 in order
  91. Order of Operations

    What does 8+6(7-4)/9 equal? is it 6
  92. Order of operatios

    7-2+3/3x5
  93. Order of Operations

    85/5+14x(12-8) 82?
  94. math

    compare and order 7/12, 2/3, and 6/15
  95. Chemistry

    What is the bond order of BN-
  96. math

    order of operations 10) 2^4-3^2+5^2 11)32/(-7+5)^3 12)4^3-(2-5)^3
  97. algebra

    order of operations 10) 2^4-3^2+5^2 11)32/(-7+5)^3 12)4^3-(2-5)^3
  98. math

    Order of operation (2×3+7^2)-10
  99. algebra

    x^3+4a+5a^2x^6 ascending order
  100. Math

    I NEED THESE IN ORDER HOW DO I DO IT??? 3.3, 4.1, 3.9, 5.0, 3.5, 2.9, 3.9
  1. Pages:
  2. 1
  3. 2
  4. 3
  5. 4
  6. 5
  7. 6
  8. 7
  9. 8
  10. 9
  11. 10
  12. 11
  13. 12
  14. 13
  15. 14
  16. 15
  17. 16
  18. 17
  19. 18
  20. 19
  21. 20
  22. 21
  23. 22
  24. 23
  25. 24
  26. 25
  27. 26
  28. 27
  29. 28
  30. 29
  31. 30
  32. 31
  33. 32
  34. 33
  35. 34
  36. 35
  37. 36
  38. 37
  39. 38
  40. 39
  41. 40
  42. 41
  43. 42
  44. 43
  45. 44
  46. 45
  47. 46
  48. 47
  49. 48
  50. 49
  51. 50
  52. 51
  53. 52
  54. 53
  55. 54
  56. 55
  57. 56
  58. 57
  59. 58
  60. 59
  61. 60
  62. 61
  63. 62
  64. 63
  65. 64
  66. 65
  67. 66
  68. 67
  69. 68
  70. 69
  71. 70
  72. 71
  73. 72
  74. 73
  75. 74
  76. 75
  77. 76
  78. 77
  79. 78
  80. 79
  81. 80
  82. 81
  83. 82
  84. 83
  85. 84
  86. 85
  87. 86
  88. 87
  89. 88
  90. 89
  91. 90
  92. 91
  93. 92
  94. 93
  95. 94
  96. 95
  97. 96
  98. 97
  99. 98
  100. 99
  101. 100