Why must the centre of the satellite orbit coincide with the centre of the Earth?

25,650 results, page 89

  1. chemistry

    how much ethyl alcohol must be added to 1.00l of water so that the solution will not freeze at -4f
  2. chemistry

    How much ethyl alcohol (C2H5OH) must be added to 1.00 L of water so that the solution will not freeze at -4°F?
  3. personal finance

    must calculate whether a couple should rent or buy a home.
  4. physical science

    How much heat must be removed from 500 g of water at 0 °C to form ice at 0 °C?
  5. maths

    how many turns must a bicycle wheel of a radius 0.5 m make to travel a distance of 100 m
  6. physics

    How much work must be done to increase the speed of an electron from 0.200c to 0.210c? In (MeV)
  7. Physics

    How many electrons must be removed from an electrically neutral silver dollar to give it a charge of +2.0 ìC?
  8. chem

    5 drops of AgNO3 must be added to 1 L of a water sample: 46.1 mg SO42-/L and 30.6 mg Cl -/L. What will be the precipitate that forms?
  9. math

    solve using the substitution method....(solutions must be in ordered pairs form) 9m+n=24 m-8n=27
  10. physics

    how high must a 2 kg basketball be thrown so that the top of its arc, it has a potential energy of 160J?
  11. chemistry

    how many grams of NaOH must be added to 0.250 litres of water to form a solution of PH=10.0?
  12. social studies

    true or false. because resources are plentiful, people must make choices.
  13. en

    Many students mistakenly believe that anything that appears in print must be a fact. Especially in textbooks.
  14. Chemistry

    How much hydrogen and oxygen must react to produce 65.00 grams of water? 2H + O2 -> 2H2O
  15. math

    -3v+3 _______ 6v+5 is to make sense, the values that v can take must be restricted. State the restriction on v
  16. CHEMISTRY

    how many mls of glycerol (FW= 92.1; density=1.26g/ml) must be used to make 250ml of a 0.15 M solution
  17. chemistry

    What mass of natural gas CH_4 must you burn to emit 259 kJ of heat?
  18. physics

    A rotating cylinder about 16 long and 6.2 in diameter what angular speed must it rotate?
  19. math

    find x x-5/x-2 = x-9/x-7 Method (x-5)(x-7) = (x-9)(x-2) x^2-12x+35 = x^2-11x-18 I get stuck here help would be must appreciated
  20. social studies

    outline any five skills that all effective parents must have
  21. physics

    How high must a 2.0-kg basketball be thrown so that the top of its arc, it has a potential energy of 160 J?
  22. math

    use properties of parallel lines to explain which angles in a parallelogram must be congruent???
  23. math

    use properties of parallel lines to explain which angles in a parallelogram must be congruent???
  24. math

    use properties of parallel lines to explain which angles in a parallelogram must be congruent???
  25. phy

    What mass of steam at 100°C must be added to 1.00 kg of ice at 0°C to yield liquid water at 15°C?
  26. Math- Algebra II

    9x^4/16y^6 How to I simplify it must be written in exponential form and no negative exponents. HELP
  27. Chemistry

    What mass of hydrogen peroxide must decompose to produce 0.77 grams of water(H2O)?
  28. Physics

    how fast must a roller coaster be going to get around a vertical loop with a radius of 15 m
  29. Calculus

    Let f(x) = mx-12 if x is less than -5 = x^2 +5x -7 if x is greater than or equal to -5. If f(x) is a function which is continuous everywhere, then we must have m=_______
  30. physics

    How many electrons must be removed from an electrically neutral silver dollar to give it a charge of +2.1 µC?
  31. SCI

    at room temperature, all samples of liquid water must have the same...
  32. Physics

    How much work must be done to accelerate an 8x105 kg train: a) from 10 m/s to 15 m/s; b) from 15 m/s to 20 m/s; c) to a stop an initial speed of 20 m/s?
  33. critical thinking

    calling on people to be systematic means that everyone must think the same
  34. Chemistry

    How much water must be added to 24.0 grams of salt ot make a solution that is 12.0% by mass?
  35. Physics

    To move 8.0 of charge from one electrode to the other, a 12- battery must do how much work?
  36. physics

    a spring has a force constant of 20000 N/m how far must it be strectched for its potential energy to be 43 J??
  37. Chemistry

    How many grams of KOH must be dissolved in one litre of solution to give it a pH value of 12?
  38. physics

    How far (in meters) must a 800 kg pile driver fall, if it is to do 18000 J of work?
  39. physics

    How much work in joules must be done to stop a 5000 kg car traveling at 120 km/hr?
  40. precalculus

    I have the problem 2e^x = squareroot(10e^x) +3. the solution must be in exact form only.
  41. Literacy

    Which Boolean operator limits your search so that each term input must be in the same document
  42. Anology

    Flower: Rose:: tree:??? Must start with scr, spr, str, thr
  43. science

    Explain why one must the absolute temperature scale to solve gas problems
  44. Chem 1A

    Help please! How many moles of NaOH must be added to 1.0 L of 3.0 M HC2H3O2 to produce a solution buffered at each pH? 1) pH= 3.78 2) PH= 6.52
  45. Chemistry PLZ HELP!!!!!

    a. describe the frasch processfor mining sulfur. b. why must the water be superheated?
  46. chem

    The ion product Of D2O is 1.35x 10^-15 at 25 degrees C. For a solution to be acidic the PDF must be what?
  47. physics

    what force must the woman in Figure 3.38 exert on the floor with her hands in order to do a pushup?
  48. Physics

    By what distance must two charges of +2 C and +4 C be separated so that the repulsive force between them is 4.10 1010 N?
  49. algebra

    if a wall is 34 feet, how tall must a ladder be to reach the top if at a 75 degree angle
  50. Physics

    If you must stop your moving car in a hurry, should you slam on the brakes and lock them?
  51. Chemistry

    how many grams if sulfur must be dissolved into 1L of water to make a 2 molar solution?
  52. Math

    2= squared x2+y2+z2+36 then square rooted and then the number must be rational. I need x y and z. I already used 10 8 and 5
  53. Math

    2= squared x2+y2+z2+36 then square rooted and then the number must be rational. I need x y and z. I already used 10 8 and 5
  54. math

    what must be added to each of the following expressions to make it a whole square (i) 4x^2 - 12x + 7 (ii) 4x^2 - 20x + 20
  55. math

    Let s be the sum of ten consecutive integers and let p be their product. Explain why the units digit of P-S must be 5.
  56. math

    in a division sum dividing by 8 ,any remainder must be(a) more than 8,(b) half of 8,(c)less than 8,(d)equal to 8
  57. Science

    How much heat must be removed from 500 grams of water at 0°C to form ice at 0°C?
  58. English

    you are a speaker in a school debate on the topic "Boys must not help in the kitchen" stand for the motion
  59. aberdeen

    To avoid plagiarism in your written research paper, you must provide a citation for which of the following?
  60. science

    How much heat must a gram of water at 15°C lose to turn into ice at 0°C?
  61. Math

    A rectangle area spans . The length must be 20ft more than the width. What are the dimensions?
  62. physics

    What must be the magnitude of the force of static friction between the surface and the bottom of the crate?
  63. physics

    A spring has a force constant of 70000 N/m. How far must it be stretched for its potential energy to be 21 J?
  64. Chemistry

    how much heat must be lost by 375 g of water for it to change from a liquid to a solid?
  65. lindy

    how many different flags can be made? if there are 5 colors,but the flag must have 3 bands of color
  66. Chemistry

    2.00 L of 0.800 M NaNO3 must be prepareds from a solution which 1.50 M in concentration. How many mL of the 1.50 M are required ? I am not sure weather " 2.00 L " is my V1 or V2 .
  67. Algebra

    Suppose f(x) is some polynomial such that x−45 is a factor of f(x) . What value of x must be a root of f(x)=0 ?
  68. PHI103:

    You should read this book. Everybody likes it so it must be good" may commit which fallacy?
  69. presential esential

    Explain why academic and professional research must use credible sources.
  70. American National government

    According to the trustee model of representation, members of Congress must do what
  71. chemistry

    How many liters of 0.50M NaOH must be added to 125 mL of 0.75M HCL to neutralize it
  72. PHYSICS

    How much heat must be added to 1.0 kg of iron to raise its temperature from 20°C to 95°C? (ciron = 0.11 cal/g•°C)
  73. physics

    (a) How many kilograms of water must evaporate from a 60.0 kg woman to lower her body temperature by 0.750°C?
  74. bio 11

    must the steps in the scientific method always be followed in the same order? Explain.
  75. MATH

    The quadratic equation x2 + mx + q = 0, where m and q are real numbers, has the complex root a + bi. Which of the following must be equal to m?
  76. Math

    A patient must exercise a MET level of 8. What grade is needed if the speed is 3 mph?
  77. History

    In order to rule as an absolute monarch, what 2 things must the King or Queen comtrol?
  78. Physical Science 9

    what sequence of process must happen for an atom of carbon to go from a man to a car?
  79. Calculus

    What are two conditions that must be met before the Extreme Value Theorem may be applied?
  80. Office Finances

    What must a depositor add to check before the bank will accept it for deposit?
  81. Math

    In Magic Diamond use numbers 1-12. Each row must equal the same sum. # # # # # # # # # # # #
  82. Chem

    How much methane, in grams, must be burned to release 542 kJ of heat? H=-802kJ
  83. chemistry

    what mass of water must react with calcium carbide for 3.9g of acetylene gas to form?
  84. physics

    what must be the mass of the log to be lifted up by the hand, if the muscle cross sectional area is 17 cm^2?
  85. math

    8. When constructing a perpendicular bisector, why must the compass opening be greater 1/2 than the length of the segment?
  86. Chemistry

    A sprinter must average 24.0 mi/h to win a 100-m dash in 9.30 s. What is his wavelength at this speed if his mass is 84.5 kg?
  87. Biology

    List all the structures that every cell, regardless of type, must have.
  88. physics

    What force F must be applied to the small piston to maintain the load of 49 kN at a constant elevation?
  89. physics

    How high must your roof be to fire 1.2km if it fires at 450 m/s muzzle velocity?
  90. chemistry

    how much NaNO3 must be added to saturate 100.0 grams of water at 20 degrees
  91. Chemistry

    In the copper-silver cell, why must the Cu2+ and Ag+ solutions be kept in separate in containers?
  92. psychology

    According to the APA, the ethics of informed consent requires that research participants must:
  93. cms

    how much water we will add in 300 lliter of a solution then its concentration must be changed from 25% to 20%
  94. geometry

    When constructing a congruent line segment to cd , the ray needed for the construction must be shorter than
  95. Grammar

    What is the direct object of the sentence? Gardeners must thank worms and bees for beautiful flowers.
  96. Biology

    What must a cell membrane have imbedded in it to allow facilitated diffusion to happen
  97. geometry and spatial sense

    If a quadrilateral has exactly one pair of sides parallel it must be a
  98. SS

    in order to be a governor of georgia, a person must have been a U.S. citizen for at least how many years?
  99. Algebra

    In how many ways can 8 new teachers be assigned to 14 classes at a school, if each must be in a different class?
  100. english first additional language

    why tradional healers must not be allowed in hospitals and clinics ?
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