1. Astronomy 1010

    The International Space Station orbits approximately 350 km above the Earth's surface. (The Earth's radius is 6,378 km.) Are the astronauts beyond the pull of Earth's gravity? Explain your reasoning.
  2. Art History

    A. Pyramid B.Propaganda C.Babylonians D.Cuneiform E.Gudea of Lagash F.Ziggurat G.Amorites H. Clay I.The Sumerians J.Mesopotamia 1. Ancient region of Southwest Asia between the Tigris and Euphrates rivers. 2. They invented the wheel 3. Sumerian writing
  3. Geography

    Hey ya'll need a bit of help with a report i have to do on an environmental issue. Basically I need to choose an issue to research which has a two sided argument (something on bird flu or world debt, power stations etc) Really stuck, appreciate any
  4. physics

    Estimate the force with which a karate master strikes a board if the hand's speed at time of impact is 4.78m/s, decreasing to 1.55m/s during a constant time of 0.00239 s with the board. The mass of coordinated hand and arm is 0.701 kg. Answer in units of
  5. Math

    a) In order to express the function y = 1311 x − 4, 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 = , and then write y as a function of u, as follows: y = . (b) In
  6. physics

    A block of mass 0.78kg starts from rest at point A and slides down a frictionless hill of height h. At the bottom of the hill it slides across a horizontal piece of track where the coefficient of kinetic friction is 0.29. This section (from points B to C)
  7. physics

    While in empty space, an astronaut throws a ball at a velocity of 15 m/s. What will the velocity of the ball be after it has traveled 2 meters?
  8. science

    Somewhere between Earth and the Moon, gravity from these two bodies on a space pod would canel. Is it closer to the Earth or the Moon? why?
  9. math

    If the average density of the dining area is 10kg/m^2 and the if the mass is 1000kg how much space does the dining area take up?
  10. Chemistry

    How many moles of water are in 1.0g of water? (Give number only in space below to the correct number of significant figures)
  11. Grammar

    What exsits or orcurrs in space that is 19 spaces long. The sencond letter is a P. The 9 letter is a R, the 12th letter n and the last letter is n. Thank you.
  12. physics

    a child sees an empty soda can resting on the icy surface of a frozen pond and throws a stone at it the stone hits the can which then slides across the ice decreasing in speed as it does so at the edge of the pond the can hits a pile of snow and stops.
  13. Physics

    An equilateral triangle initially has side length equal to 17 cm. Each vertex begins moving in a straight line towards the midpoint of the opposite side at a constant rate of 2.3 cm/s, continuously forming progressively smaller equilateral triangles until
  14. english

    Which sentence shows correct punctuation of an introductory structure? When I ran across the tile I lost my balance and slipped. If I had stayed late on Friday, I could have caught up on my work. Well I delivered the memo to Mr. Jenkins last week. Miriam
  15. history

    Select one civilization you learned about during the semester. Write an essay in which you explain how the structure and nature of government in that civilization a) developed, b) responded to needs within society, and c) succeeded or failed. Be sure to
  16. psychology

    Which one of the following statements describe the relationship between genes,chormosomes and DNA? A genes,the basic unit of heredity,are located on chromosomes,which consist of strands of DNA B genes are composed of chromosomes and Dna C chromosomes,tha
  17. psychology

    Which one of the following statements describe the relationship between genes,chormosomes and DNA? A genes,the basic unit of heredity,are located on chromosomes,which consist of strands of DNA B genes are composed of chromosomes and Dna C chromosomes,tha
  18. Physics

    Find the jet fuel mileage (mpg) of a Boeing 787 Dreamliner if: C=0.024, v=900 km/h, 1 gallon=3.8 liters, 1 mile= 1.6 km, energy conversion efficiency=30%, A=2060 ft^2, 1 ft^2=0.093 m^2, drag force = 1/2(CApv^2), p=0.41 kg/m^3 at 10,000 m, jet fuel energy
  19. physics

    A light–rail commuter train draws 645 A of 590–V DC electricity when accelerating. What is its power consumption rate in kilowatts? How long does it take to reach 30.0 m/s starting from rest if its loaded mass is 4.50×104 kg, assuming 91.0% efficiency
  20. economics

    perfectly competitive industry. Each firm having identical cost structures. long-run average cost is minimized at an output of 20 units. Minimum average cost is $10 per unit. total market demand is Q=1500-50P. What is the long-run equilibrium price? Total
  21. Physics

    A block of mass 0.61kg starts from rest at point A and slides down a frictionless hill of height h. At the bottom of the hill it slides across a horizontal piece of track where the coefficient of kinetic friction is 0.40. This section (from points B to C)
  22. Huck Fin

    "Two or three days and nights went by; I reckon I might say they swum by, they slide along so quiet and smooth and lovely. Here is the way we put in the time. It was a monstrous big river down there—sometimes a mile and a half wide; we run nights, and
  23. Operations Management

    Fresh Sub hires three workers during the peak hours. When customers arrive, one worker is dedicated to order taking and preparing the bread and the meat; then the customer is passed to the second worker, who asks the customer about the vegetable selection
  24. calculus

    water is being siphoned from a cylindrical tank of radius 10m into a rectangular tank whose base measures 20m by 15m. if the depth of the water in the cylindrical tank in decreasing at a rate of 2m/s, at what rate is the depth of the water increasing in
  25. physics

    A variable capacitor is connected to an ac source. what effect does decreasing the capacitance have on the reactance and current in this circuit? Reactance Current A) increases decreases b) decreases no change c) decreases increases d) increases increases
  26. College algebra!

    For the linear function f(x) = 5x + 3 (a) Determine the slope and y-intercept (b) Use the slope and y-intercept to graph the linear function. (c) Determine the average rate of change of the function (d) Determine whether the linear function is increasing,
  27. math 209

    Swimming space. The length of a rectangular swimming pool is 2x  1 meters, and the width is x  2 meters. Write a polynomial A(x) that represents the area. Find A(5).
  28. PHYSICS ---HELP!

    The space shuttle releases a satellite into a circular orbit 700 km above the Earth. How fast must the shuttle be moving (relative to Earth) when the release occurs?
  29. Biology - The Stomach

    When referring to the lumen of the stomach is that just the opening. As in where are the HCl is and where your food enters? I googled the definition of lumen and it says inside space. I'm just not too clear on what it really means. Thanks.
  30. English

    Can you please check these questions, too? Thank you. 1) Answer four of the following six questions. For each question write ten lines only. 2)Do not exceed the space provided. One of your four answer will be evaluated as an oral test.
  31. Math

    A cabinet has shelves that are 12 1/2 in. apart. On one shelf, Katherine stacked a CD player that is 4 5/8 in/ high on top of an amplifier that is 6 3/4 in. high. How much space was left above the CD player? I got 1 1/4; I added 6 3/4 and 4 5/8 and got 11
  32. physics

    A space shuttle orbiting Earth at an altitude of 295 km completes an orbit in 90.0 min. Calculate its acceleration and compare it to the acceleration at Earth’s surface.
  33. PHYSICS

    A capacitor consists of a solid metal sphere of radius 3 cm placed at the center of a thin metal spherical shell of radius 12 cm. The space between is empty. What is the capacitance?
  34. PHYSICS ---HELP!

    The space shuttle releases a satellite into a circular orbit 700 km above the Earth. How fast must the shuttle be moving (relative to Earth) when the release occurs?
  35. physics

    The space shuttle releases a satellite into a circular orbit 700 km above the Earth. How fast must the shuttle be moving (relative to Earth) when the release occurs?
  36. physics

    The Hubble Space Telescope orbits Earth 621 km above Earth's surface. What is the period of the telescope's orbit? Give answer with 5 significant figures.
  37. geometry

    The radius of the earth is approximately 6371 km.If the international space station (ISS) is orbiting 353 km above the earth, find the distance from the ISS to the horizon(x)
  38. physics

    The space shuttle releases a satellite into a circular orbit 700 km above the Earth. How fast must the shuttle be moving (relative to Earth) when the release occurs? V = m/s ??
  39. Physics

    The space shuttle releases a satellite into a circular orbit 440 km above the Earth. How fast must the shuttle be moving (relative to Earth) when the release occurs?
  40. space

    Stars near the ______ should show the greatest Doppler shifts due to the earth's revolution. Why? Would it be stars near the ecliptic because it deals with the earth revolving and having motion.
  41. Physics

    Evaluate the following as true or false. If the Earth shrank in size, but all other factors remained the same, all of its satellites, including the Moon, would fly off into space. a) True b) False
  42. Debating

    PLEASE HELP ME! What is a Space Program? Define. I Have a debating topic that needs me to define that. I have googled but I can't find anything. If you don't know then please show me a list of alternate search engines. Thanks Minerva
  43. chem

    The average distance between planet X and Earth is about 1.5 x 10^8 miles. How long (minutes would it take pictures transmitted from a space vehicle on Planet X's surface to reach Earth?
  44. Calculus Optimization

    A model space shuttle is propelled into the air and is described by the equation y=(-x2/2e)+ex in 1000 ft, where y is its height in feet above the ground. What is the maximum height that the shuttle reaches?
  45. Bussiness

    In what way is each of the following a marketing activity? a. The provision of sufficient parking space for customers at a suburban shopping mall b. The purchase by clothing store of seven dozen sweaters in assorted sizes and colors c. The inclusion of a
  46. Business

    in what way is each of the following a marketing activity? a. the provision of sufficient parking space for custoemers at a suburban shopping mall b. the purchase by a clothing store of seven dozen sweaters in assorted sizes and colors. c. the inclusion of
  47. Earlychilodhood education

    Which one of the following is probably NOT one of the reasons that circle times fail? A. The space was large and open. B. The songs were repeated daily. C. The time period lasted too long. D. The teacher read a chapter book, hoping to encourage the
  48. Physics

    How can gravity be simulated in an orbiting space station? 1)aped like a bicycle wheel 2)Spin two pods connected by a cable 3)Rotate a cylinder to create centrifugal force as viewed by a person on the inside of the curved outer wall 4)All of the above
  49. science

    Are these correct for Democritius Help so confused - I read site and still trying to figure out. atoms of same element are exactly alike an atom is mostly empty space with a dense - postiveily chareged nucleus These are the choices Rutherford wave model
  50. 6th grade math

    A resturant manager wants to order new glasses. The ratio of the number of water glasses to the number of juice glasses in the resturant is 15 to 2. How many juice glasses did the resturant manager order if she ordered 180 water glasses?
  51. chemistry

    Based on their molecular structure, why are these acids thes stronger of the two binary acids given? HCl stronger than HF HF stronger than H2O H2Se stronger than H2S Is this because of bond strength due to placement on the table of elements? thanks
  52. Language Arts

    Choose the opinion that Bass completes the multi- draft reading process? first read: read to unlock the basic meaning of the text. second read:analyze the craft and structure of the text. third read??
  53. Organic Chemistry

    A methyl ether (SN2 product) can form as a byproduct in the sodium methoxide reaction. What is its structure? Provide the mechanism for the formation of the methyl ether product, in addition to answering the question.
  54. organic chem

    Predict the major substitution and elimination products for butane with a Ph atom and a I atom on the 2nd carbon when added with methanol and heat. iupac name of the structure if it had carbon atoms I think is 2 dimethyl butane
  55. English

    Hello. I'll appreciate it if you answer my questions: 1)is it possible to say "Thousands of Egyptians conducted a meeting in Cairo" (meaning "held a protest")or is the word "meeting" something like "discussion"? 2)is it possible to use "confine" in the
  56. organic chemistry

    A methyl ether (SN2 product) can form as a byproduct in the sodium methoxide reaction. What is its structure? Provide the mechanism for the formation of the methyl ether product, in addition to answering the question.
  57. American Government

    What is the task of a party’s chairperson and the party’s national committee between elections? A. create campaign advertisements B. create volunteer opportunities C. break up the central structure of the party D. increase the power of the party I has
  58. Introduction to Juvenile Justice

    I am having a hard time finding descriptions for federal, state, or local programs in social structure theory, social process theory and social conflict theory.
  59. Chemistry

    Is the NO3- single bond length shorter than NO2H single bond length? Based on Lewis structure of it.
  60. english

    What grammatical structure is the italicized portion of the sentence? By serving as a popcorn vendor, Don saw many good games. present participial phrase nominative absolute appositive past participial phrase prepositional phrase with a gerund
  61. 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
  62. biology

    an experiment, a scientist notices that an enzyme’s catalytic rate decreases when the pH of the environment is changed. Which of the following best summarizes the effect of pH on the enzyme? A. pH changes the shape of the enzyme. B. pH takes energy away
  63. science

    1. In an experiment, a scientist notices that an enzyme’s catalytic rate decreases when the pH of the environment is changed. Which of the following best summarizes the effect of pH on the enzyme? A. pH changes the shape of the enzyme. B. pH takes energy
  64. english

    Speech criticism is a simpler form of: A. speech evaluation. B. rhetorical criticism. C. panel judging. D. communication process. is it B 2. You are evaluating this when you are looking for a clear, compelling message. A. Use of quotes B. Structure C.
  65. Social Studies

    Could someone tell me whether these answers are correct? Every culture has a __________ or a way of oganizing people Social Structure? In the past it was hard to move from one __________ to another. Social Class? The size of a _________ can differ from
  66. Math - Simple rational functions (check)

    Consider the function f(x) = x/(x-1) Are there any turning points? Explain how this could help you graph f(x) for large values of x? Ans: turning points is another word for checking the concavity, and therefore i find the second derivative and equate it to
  67. accounting

    Three objectives of a company's internal control system should be safeguarding assets, checking the accuracy and reliability of accounting data, and promoting operational efficiency. A fourth objective of a company's internal control system should be:
  68. calculus

    Please check this for me: the lenght l, width w, & height h of a box change with time. At a certain instant the dimensions are l=1m & w=h=2m. L and W are increasing at a rate of 2m/sec while H is decreasing at a rate of 2m/sec. At that instant, find the
  69. 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
  70. CHEMISTRY

    The entropy of a NaCl crystal is __________ a. an intensive property and a state function. b. an intensive property and a path function. c. an extensive property and a state function. d. an extensive property and a path function. e. not appropriately
  71. Math

    1,6,3,7,9,4,5,7=17 only plus or minus can be out in between the numbers and they must stay in the order shown EX. 1-6+3-7+9-4+5+7=17 It must equal 17 Here's a hint. Add all the numbers up first, then see what number needs to be subtracted in order to get
  72. math

    block A: mass = 100·g, spring stretched 10·cm block B: mass = 400·g, spring stretched 20·cm block C: mass = 200·g, spring stretched 20·cm block D: mass = 200·g, spring stretched 20·cm Rank the blocks, from largest to smallest, based on the
  73. Chemistry

    Fuel values, reported in units of KJ/g, are useful in comparing the efficiency of various energy sources on a mass basis. Determine the fuel value of the glucose and the tristearin. Which one, carbohydrates or fats, have the highest fuel value (and hence
  74. math

    *This is orders of magnitude* 1)So, I have to estimate 16,700,000,000,000,000 the product of a single digit of 10. - 2 x 10^16 - 2 x 10^15 *my answer* - 1 x 10^16 - 1 x 10^15 2)0.00000394 estimated as the product of a single digit. ____ x 10____ *fill in
  75. statistics!

    1) Entry to a certain University is determined by a national test. The scores on this test are normally distributed with a mean of 500 and a standard deviation of 100. Tom wants to be admitted to this university and he knows that he must score better than
  76. Math

    A car has a fuel efficiency of 33 miled per gallon.(a) Find a function G that calculates the number of gallons required to travel x miles. (b)If the cost of gas is $4 per gallon, find the function C that calculates the cost of fuel to travel x miles.
  77. physics

    A horizontal pipe of uniform cross sectional area A empties into a bucket, filling it at a rate R (unit volume per unit time). Use dimensional analysis to determine the speed,v, of the fluid in the pipe to within a dimensionless multiplicative constant of
  78. Environmental Science

    Are there any good websites on coral reefs ? I'm working on my research paper, and this is what I have so far. Coral reefs, also called the rain forests of the oceans, are the second richest ecosystem on Earth. They have this nickname because of the
  79. Social Studies

    1. How did mechanization change the agricultural industry? (Choose all that apply. 1. it increased production of crops 2.it caused the cotton industry to decline 3.made dairy products safer to consume 4.caused a decrease in efficiency 2.which of the
  80. Math

    Which situation results in a final value of exactly zero? The temperature outside was 50* below 0 at 7:00 am. The temperature rose to 3* in each of the next 4 hours. Hector earned 7.50 for every 8 hours of work. He used 60 of this money to buy video games.
  81. Economics

    I'm reposting this as I did not receive a response. Posted by Dwane on Wednesday, November 22, 2006 at 1:23pm. I pasted the problem I am to solve below. I missed the first week of class, so the professor told me to do this case as a make-up assignment;
  82. QSO 510

    Problem 1 Adele Weiss manages the campus flower shop. Flowers must be ordered three days in advance from her supplier in Mexico. Advance sales are so small that Weiss has no way to estimate the demand for the red roses. She buys roses for $15 per dozen and
  83. Engineering Physics Opt B

    9. The flywheel shown in Figure 14.8 may be considered to be a steel cylinder (density 7800 kg m−3) of outer radius 40 cm and depth 12 cm, but with the central section (of outer radius 18 cm) missing. a. Use this simplification to estimate its moment of
  84. english

    What element should readers consider when exploring how different literary genres approach the same subject? a. the ease of difficulty with which the subject can be analyzed b. the authors’ personal feelings about the genres they select c. the use of a
  85. English (Grade 5)

    This is not in order. Please put the story about "The wishing well in order" 1. Today is a particularly busy day at the well. 2. This wishing well is very popular 3.It is New Years Day 4.Other People make wishes about their families. 5. For this reason the
  86. Structure of the Earth

    Explain Earth's layers by comparing Earth to a familiar object such as an avocado. How are the layers similar? How are they different? I don't really get this question...All I know is that they both have different layers consisting of different mix of
  87. The continental drift theory

    Explain how the following pieces of evidence supported the continental drift theory. a) matching continental margins b) similar animal fossils in South America and Africa c) similar rock types and structures in North America and northern Europe d) magnetic
  88. English

    Hello! Need some ideas and suggestions.How can I explain to the learners of English as a foreign language (4th grade, 4th year of learning) the following two things: 1.They have a picture of a traffic in the street in their books. First they are repeating
  89. Math

    Fantasia Florist Shop purchases an order of imported roses with a list price of $2,375 less trade discounts of 15/20/20. What is the dollar amount of the trade discount? Using your answer to the question above, what is the net dollar amount of that rose
  90. communicate

    consider an artifact that is prominently displayed by a friend or co-worker - either at home or in some other space. In 1-2 paragraphs, explain how this artifact has influenced your interpretation of this person's identity. Is your perception more positive
  91. physics

    Determine the capacitance, in pF, of a paper-filled parallel-plate capacitor (dielectric constant=3.70) having a plate area of 5.40cm2 and plate separation of 590 µm. Use 8.85 x 10-12 F/m for εo, the permittivity of free space
  92. Geometry

    TV screens are measured on the diagonal. If we have a TV-cabinet that is 72 inches long and 64 inches high, how large a TV could we put in the space (leave 2-inches on all sides for the edging of the TV)? Round your answer to the nearest tenth.
  93. Physics

    Determine the velocity of the Hubble deep space telescope while it is in orbit at a height of 598 km (5.98 x 105 m) above the earth’s surface. The earth’s radius is approximately 6.4 x 106 m. The mass of the earth is 6.0 x 1024 kg.
  94. physics

    an astronaut floating in space is separated from his ship. his mass in 85.0kg and he is 10.0m from ship. he throws a wrench moss is .8000kg opposite direction with a velocity of 20m/s. how long will it take him to reach the ship?
  95. aed204

    • The composition of the faculty, administration, and other staff accurately reflects the pluralistic composition of the United States. • Differences in academic achievement levels disappear between males and females, dominant and oppressed group
  96. Linear Algebra

    Let R5[t] be the vector space of all polynomials in t of degree 4 or less with real coefficients. Which of the following subsets are subspaces? I know how to test if something is a subspaces, just not sure how to do it with for these polynomial equations.
  97. 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
  98. science

    gravitational forces are be acted on a space center what other data need to show the forces a-direction of the opposite force b-magnitute of the downward force rigth answer: b
  99. guidance

    The basis of a good child-guidance system is the caregiver's A. knowledge of child development.B. choice of equipment.C. arrangement of space in the facility.D. schedule of activities. A.