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

25,531 results, page 91

  1. 8th grade

    How do you diagram the following sentence: Who bravely dares must soemtimes risk a fall.
  2. Math please help asap

    Solve using elimination.......answers must be in ordered pair form 0.3x-0.2y=4 0.4x+0.5y=-55/17
  3. chemistry

    What formula do I use to figure how many mL of 6.00 M of HCl must be diluted to make 600 mL of a 0.500 M solution?
  4. english

    it's discrimination to mandate that police officers must conform to a certain height and weight. which fallacies is this?
  5. Physics

    A 3200kg helicopter must accelerate up at 1.0m/s^2. What minimum lift do the rotors need to produce? Thanks for answering!
  6. Social Studies

    What articles would you recommend for a project where I must connect politics in europe to the world?
  7. chemistry

    the product of a chemical reaction is phosphoric acid (h3po4). which elements must be in the reactants and how many atoms of each
  8. physics

    How far must the point charges = 7.20 and = -25.0 be separated for the electric potential energy of the system to be -130 ?
  9. physics

    In what direction and with what speep must he push away his pack in order to return to his vehicle in 30s?
  10. physics

    How fast (in ) must a centrifuge rotate if a particle 8.00 from the axis of rotation is to experience an acceleration of 117000 's?
  11. Math

    List the elements {a1, a2, a3...} where an is defined as a1= 1, an=na(n-1) n E N, 1 <n <7 i know that a1=1 therefore a must equal 1 right. but what steps do i take to solve this?
  12. chemistry

    How many grams of hydrogen peroxide must decompose to give 255 mi of oxygen gas at stp?
  13. chemistry

    How many grams of hydrogen peroxide must decompose to give 255 mi of oxygen gas at stp?
  14. Chemistry

    How many Kilograms of water must be added to 5.0 grams of oxalic acid (H2C2O4) to prepare a 0.40 Molality?
  15. chemistry dilutions

    you have 47 mL of a 2 M stock solution that must be diluted to .5 M how much water should you add
  16. Active physics

    How much hear must be added to 1.5kg of water at -25degC to raise it up to 119degC?
  17. physics

    How much heat must be absorbed by a 500 g pot of water in order to raise the temperature from 20„aC to 30„aC?
  18. physics help

    How much energy must be removed from a 200g block of ice to cool it from 0C to -30C? What is the equation for this?
  19. UCP

    Identify the accommodations that providers must make to assure effective learning in an e-health environment.
  20. english

    What is the complete subject of A person must have very good eyesight to work with beads.
  21. chemistry

    How much water must be added to 20liter of 12molar base solution to makt it 8molar?
  22. chemistry

    How much water must be added to 20liter of 12molar base solution to make it 8molar?
  23. Biology

    Using the fundamentals of thermodynamics, explain why we must continue to eat in order to maintain homeostasis?
  24. info interacy

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

    A cyclist rides at an average speed of 30 .If she wants to bike 189 , how long (in hours) must she ride?
  26. chem

    calculate the amount of water that must be added to 6.5 grams of urea to produce a 22-2% by mass solution?
  27. chemistry

    Why must thiosulfate solution be standarized every couple of days? Please explain with an equation. Thanks.
  28. physics

    An object that has kinetic energy must have which of the following?A) momentumB)acceleration c all of these d none of these
  29. geometry

    by what factor must the radius of a circle be multiplied to make the area of the cicle 3 times as large?
  30. Algebra 2

    Find all numbers that must be excluded from the domain of the given rational expression. 1) x^2+4x/x^2-16 2) 6x^3y-6xy/x^3+5x^2+4x 3) 4-x^2/x^2+x-6
  31. Chemistry

    What mass of NaOH(s) must be added to 300 mL of HCl 0.25 M in order to completely neutralize this acid?
  32. Physics

    How many Joules of thermal energy must be added to 5 kg of water at 20 C to bring it to the boiling point (at 100 C)?
  33. Chemistry

    What mass of KClO3 must be decomposed to KCl and O2 to give 638ml O2 at 18 degrees Celcius and 752torr?
  34. thermochemistry

    what is the formula to find the mass of propane that must be combusted to produce 188.3kj of energy?
  35. organic chemisrtry

    What must a molecule possess to be able to absorb radiation in the infra-red region?
  36. chemistry

    What mass of sucrose must be taken for solution weight of 200 g, which is equal to molality 0.05 mol / kg?
  37. chemstry

    What mass of sucrose must be taken for solution weight of 200 g, which is equal to molality 0.05 mol / kg?
  38. science

    How much sugar must be added to 50g of water to make a saturated solution at 0 degrees?!
  39. Chem 2

    What mass of water must be used to make a 1.35m solution that contains 8.20 moles NaOH?
  40. Math

    Use the method of elimination to solve the following system of equations. You must check your answer: 1)x/2 + y/5 = 1/2 2) 3x - y = -8
  41. chemistry

    You have 37.0 mL of a 3.00 M stock solution that must be diluted to 0.500 M. How much water should you add?
  42. General Chemistry

    How many milliliters of 0.5M NaOH must be added to 200 mL of 0.1M NaH2PO4 to make a buffer solution with a pH of 6.9?
  43. Chemistry

    you have 57.0 mL of a 2.00 M stock solution that must be diluted to 0.500 M. how much water should you add?
  44. Chemistry

    you have 57.0 mL of a 2.00 M stock solution that must be diluted to 0.500 M. how much water should you add?
  45. Chemistry

    you have 57.0 mL of a 2.00 M stock solution that must be diluted to 0.500 M. how much water should you add?
  46. Chemistry

    you have 57.0 mL of a 2.00 M stock solution that must be diluted to 0.500 M. how much water should you add?
  47. Chemistry

    you have 57.0 mL of a 2.00 M stock solution that must be diluted to 0.500 M. how much water should you add?
  48. math 205

    How much must be invested today at 8% compounded quarterly to have 3500 in 4 years?
  49. Chemistry

    How many milliliters of 1.0 M NaOH must be added to 200. mL of 0.10 M NaH2PO4 to make a buffer solution with a pH of 7.50? (5 points)
  50. Child day care management

    To determine liability one must figure out who is legally
  51. science

    must all tpopgraphic maps have a contour line that represents 0m of elevation explain
  52. Chemistry

    How many grams of K2Cr2O7 (Potassium dichromate) must be used to make 250 ml of a0.125 M solution?
  53. physics

    list three factors that we must always give when exprassing a force vector quantity
  54. Geometry

    Find the length of the side A’B’ for the congruent triangle. C = 28 degrees A = 14 Must show work with answer.
  55. Gen.Chem2

    what mass(g) of NH3 must be dissolved in 475g of methanol to make a 0.25m solution
  56. calculus help

    explain fully what trick you must use in order to us L'Hospital's rule for indeterminate powers?
  57. Chemistry

    How many grams of lithium fluoride must be added to 3.5 kg of water to make a solution with a molality of 2.0 molal?
  58. medical coding

    To fully eliminate all infectious microorganisms, which of the following measures must be used?
  59. chemistry

    What mass of cesium chloride must be added to 0.570 L water to produce a 0.375 m solution?
  60. math

    Find the number of arrangements of the letters of the word STRENGTH if the order of the consonants must not be changed?
  61. history business studies tourism maths literacy

    Plz guyz any one who can help me there what career must I do
  62. math

    How many possible license plates can be made with 4 letters followed by 4 numbers and must start with the letter C
  63. Physics, Help!! URGENT!!!

    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?
  64. chemistry

    if you have 125.0g of water at 100.0, how much energy must be added to vaporize all of it
  65. Math 112

    On your first two exams, your grades are 86% and 88% x=86 and y=88 What must you get on the third exam to have an average of 90%?
  66. Chemistry

    2NaN(3) > 2 Na +3N(2) What mass of sodium azide must be reacted to inflate and air bag to 70.0 L at STP?
  67. Chemistry

    What volume of 0.170 M K3PO4(aq) must be added to 50.3 mL of 0.103 M K2HPO4(aq) to prepare a buffer solution with a pH of 12.09?
  68. Chemistry

    How much work must be done on a system to decrease its volume from 14.0 L to 5.0 L by exerting a constant pressure of 4.0 atm?
  69. Science

    In addition to Carbon and Hydrogen, which elements must be available to form a DNA nucleotide monomer?
  70. physics

    with what velocity must a ball be thrown in order to achieve the height of 50 ft.? and how long will it stay in the air?
  71. AP Chemistry

    To have a buffer with a pH of 2.50, what volume of 0.510 M NaOH must be added to 100. mL of 0.230M H3PO4?
  72. life oriantation

    process that the community must engage whenever there is an issue before and during a protest
  73. math

    Bruce scored a 12, 18, 16, and 17 on his four quizzes. What must his score on the fifth quiz be if he wants an overall average of 16.
  74. tourism.geography.maths lit.history

    what career must i follow because im in grade 12 now.help me plz
  75. Chemistry

    how many grams of butane must be burned in an excess of o2 gas in order to produce 7.64l of co2?
  76. english grammar

    jimmy you must leave the room shut the door and be quiet. what is the correct punctuatuion
  77. science: chemistry

    How many moles of NaOH must be added to 1.0 L of 2.6 M HC3H5O3 to produce a solution buffered at each pH? 1)pH= 4.28 2)pH=pKa
  78. Physics

    From what height must water fall from a dam to strike the margine waves w/ a speed 30m/s.
  79. Chemistry

    How many grams of iron must be oxidized to produce 5.0g of rust? (Fe2O3) I have no idea how to solve this!
  80. chem 11

    to compress nitrogen at 1 atm from ml to 500 ml, what must the new pressure be if the temperature is kept constant?
  81. grammar

    Gardeners must thanks worms and bees for beautiful flowers. What would be the direct objects in this sentence?
  82. math

    FIND THE LEAST NUMBER BY WHICH 21168 MUST BE DIVIDED IN ORDER TO YIELD A PERFECT SQUARE ?
  83. chemistry

    how many grams of NaCl should be added in 15ml which must have a final concentration of 10mM
  84. Math

    Which of the following statements must always be true of two similar non congruent triangle?
  85. Physics

    How fast must a plane fly at a latitude of 41.9° so that the sun stands still relative to the passengers?
  86. maths lit,B.S,consumer studies,CAT,english,LO

    Which degree must I study or which carreer can I follow
  87. Chemistry

    What is the total mass of KNO3 that must be dissolved in 50 g of water at 60 degree C to make a saturated solution?
  88. Chemistry

    Determine how many grams of Al must react with 2.5 M NaOH in order to produce 40 mL of hydrogen gas at 22°C and 1.02 bar
  89. quimica

    In assessing 20.0ml of NaOH 0.175M , calculate how many ml of 0.200M HCl must be added to obtain a pH of 12.55
  90. math

    True or False: The median must always be one of the numbers in the data set itself.
  91. Chemistry

    The volume of 18 molar concentrated H2SO4 that must be diluted with distilled water to prepare 10 liters
  92. chemistry

    Calculate the amount of water (in grams) that must be added to 5.00 g urea in preparation of 16.2% by mass solution.
  93. chemistry

    Calculate the amount of water (in grams) that must be added to 5.00 g urea in preparation of 16.2% by mass solution.
  94. Physics

    how many coulombs must be on one object for it to be repelled with a force of 6.0 N by a second charge of 2.0uC at a distance of 1.0 m?
  95. Math

    2 liters of cleaning solution is 65% ammonia. How much water must be added to dilute it to a 40% soulition?
  96. Math

    The first term of a GP is 64 and the common ratio is 1/2.How many terms must be added to obtain a total of 127 1/2?
  97. english

    Identify the subject, object, and verb in this sentence: Paralegals must have good ethics.
  98. chem 1211

    What temperature change must 1.2mol of water undergo if the amount of energy changed is 23.7 J?
  99. Chemistry

    At what speed must a human weighing 150.0 lb be traveling in order to have a wavelength at 650 nm?
  100. proportion and percentages problem

    what must be added to 311 to make it equal to 87 1/2 per cent of 500
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