1. physics

    A satellite has a mass of 5850kg and is in a circular orbit 4.1*10^5m above the surface of a planet. The period of the orbit is two hours. the radius of the planet is 4.15*10^6m.What is the true weight of the satellite when it is at rest on the planet's
  2. Physical Science

    Which of the following statements about ice melting is true? A. Energy flows from the ice to its surroundings. B. Water molecules move from their fixed position. C. Water molecules lose energy. D. The temperature of the ice increases as it melts. I think
  3. PHYSICS

    How do I solve this? A satellite has a mass of 5949 kg and is in a circular orbit 4.07 × 105 m above the surface of a planet. The period of the orbit is 1.9 hours. The radius of the planet is 4.55 × 106 m. What would be the true weight of the satellite
  4. Physics

    A satellite has a mass of 6179 kg and is in a circular orbit 4.83 × 105 m above the surface of a planet. The period of the orbit is 2.4 hours. The radius of the planet is 4.03 × 106 m. What would be the true weight of the satellite if it were at rest on
  5. statistics

    In order to test a new production method, 36 employees were selected randomly to try the new method. The mean was 75.79 parts per hour with a standard deviation of 28.25 parts per hour. Calculate a 95% confidence interval for the true mean production rate
  6. chemistry

    Sodium oxide reacts with water to produce sodium hydroxide. Suppose 12.7 g of sodium oxide is combined with 39.8 g of water. When the reaction is complete, all the sodium oxide has been consumed. According to the law of conservation of mass, which is a
  7. statistics

    A manufacturer wishes to estimate the reliability (in months) of a certain product. An estimate of the population standard deviation from a previous sample was 12 months. If the manufacturer desires to be within 4 months of the true value with
  8. Math

    Sofia spins the pointer of a spinner that has 5 equal sections numbered 1 to 5. Choose True or False for each statement. A. It is likely that the pointer will land on a factor of 4. B. It is as likely as not that the pointer will land on an odd number. C.
  9. Pre-Algebra

    8. Mark needs to cut a piece of glass to replace a broken window. He has four pieces of glass: 6 feet long, 5 feet long, 3 feet long, and 7 feet long. If the length of the glass he needs to cut is square root 20 feet long, which piece of glass should he
  10. maths

    Data were collected on the differences in weight gains of 12 people one month after they stopped smoking, compared with their weight at the time when they stopped smoking. The data are given in Table 2. A positive quantity corresponds to a gain in weight,
  11. Geometry

    Which statement from Euclidean geometry is also true in spherical geometry? a. A line has infinite length b. Two intersecting lines divide the plane into four regions c. Two perpendicular lines create four right angles d. The intersection of two lines
  12. Math

    An exam consists of six true-or-false questions. Assuming that every question is answered, in how many different ways can a student complete the exam? In how many ways may the exam be completed if a penalty is imposed for each incorrect answer, so that a
  13. Economics

    Evaluate the following statement: "It is easier to build an economic model that accurately reflects events that have already occured than to build an economic model to forecast future events. "Do you think that this is true or not? Why? What does this
  14. math

    A true-false test consists of 15 items. (a) If Chris does not study at all and guesses each and every item in the test, describe the probability model for the number of correct guesses. each individual question has a probability of 1/2 of being correct so
  15. 7th grade math

    Can you check the following problem? (forgot to incl last night) 1. Which is an equivalent equation to (2/3)x - 1 = 1/2 that does not contain fractions? (2/3)x = 1 + 1/2 (2/3)x = 3/2 x = 3/2 * 3/2 x = 9/4 x = 2 1/4 A. 4x - 6 = 3 4x = 9 x = 9/4 x = 2 1/4 B.
  16. Advanced Production

    A time study od a certain service task found a average cycle time of 15 minutes, with a standard deviation of 5 minutes. These figures were based on a sample of 100 measurements. Is the sample large enough that we are 95% confident that standard time is
  17. English - Hyperbole

    what is it used for, and how and why might it appear in literature? its used to make an obvious exaggeration like "to wait an eternity" "Hyperbole is a figure of speech which is an exaggeration. Persons often use expressions such as "I nearly died
  18. Calculus

    The Estradas are planning to buy a house 5 years from now. Housing experts in their area have estimated that the cost of a home will increase at a rate of 3%/year during that 5-year period. If this economic prediction holds true, how much can the Estradas
  19. Social Studies 7 - Final Review Help!

    What is the what is the unalienable rights???? answer - is those rights that cannot be surrendered, sold or transferred to someone else am i correct??????? My ss teacher gave us a review packet for the final. We just have to do the definitions and fill in
  20. Living Environment(please check answers)

    1-true 2-false 3-not enough info Transplanting genetic material into bacteria is a simple task- 2 Under certain conditions, bacteria reproduce at a rapid rate-3 The continued use of insulin from animals many cause harmful side effects in some people- 1 The
  21. History

    During the Renaissance, the philosophy of humanism swept through Europe (1). Humanism resulted in advancements in art, science, and education (2). Humanist ideals also mimicked ancient Egyptian government structures (3). Humanists believed in the idea of a
  22. Statistics Emergency please

    People end up tossing 12% of what they buy at the grocery store (Reader's Digest, March 2009). Assume this is the true population proportion and that you plan to take a sample survey of 540 grocery shoppers to further investigate their behavior. a.Show the
  23. economics

    From the article, “To Understand a Tax on Mexican Imports, Consider the Avocado”: The article insinuates that domestic (U.S. based) Avocado producers will plant more trees after a tax is implemented. Why would this be true? How does a price change
  24. economics

    From the article “to understand a tax on Mexican imports consider the avocado” The article insinuates that domestic (U.S. based) Avocado producers will plant more trees after a tax is implemented. Why would this be true? How does a price change impact
  25. Social Studies/American Government

    Could you check my answers by the way they have to do with the Missouri State Missouri State Constitution. Missouri State Constitution. 1. What is the Preamble? Answer: The Preamble is the first paragraph of the Constitution, and it states why the
  26. phi103

    Truth tables can? display all the possible truth values involved with a set of sentences. determine what scientific claims are true. determine if inductive arguments are strong. determine if inductive arguments are weak
  27. Physics

    A light plane is flying at 25 degrees east of due magnetic north, while ascending at 15 degrees above the horizon; the plane is flying at 40 m/s. Find the planes celocity true to the delta x, delta y, and delta z?
  28. Physics - repost

    A satellite has a mass of 5381 kg and is in a circular orbit 4.30 105 m above the surface of a planet. The period of the orbit is 2.06 hours. The radius of the planet is 4.09 106 m. What would be the true weight of the satellite if it were at rest on the
  29. physics

    A satellite has a mass of 5950 kg and is in a circular orbit 3.80 105 m above the surface of a planet. The period of the orbit is two hours. The radius of the planet is 4.15 106 m. What is the true weight of the satellite when it is at rest on the planet's
  30. PHYSICS

    A satellite has a mass of 5949 kg and is in a circular orbit 4.07 × 105 m above the surface of a planet. The period of the orbit is 1.9 hours. The radius of the planet is 4.55 × 106 m. What would be the true weight of the satellite if it were at rest on
  31. Physics

    A satellite has a mass of 5381 kg and is in a circular orbit 4.30 105 m above the surface of a planet. The period of the orbit is 2.06 hours. The radius of the planet is 4.09 106 m. What would be the true weight of the satellite if it were at rest on the
  32. Math help

    Which of the following statements is NOT true regarding an expression written in scientific notation in the form of a x 10n ? A.)The value of a must be greater than or equal to 1 and smaller than 10. B.)The value of n must be an integer. C.)Doubling n
  33. Physics

    A satellite has a mass of 6135 kg and is in a circular orbit 3.80 105 m above the surface of a planet. The period of the orbit is 2.08 hours. The radius of the planet is 3.85 106 m. What would be the true weight of the satellite if it were at rest on the
  34. Chemistry

    Two flasks A and B of equal capacity of volume contain SO3 and Co gas respectively under similar conditions of temperature and pressure. Then, which of the following statement is true? (1) A has twice the number of moles as that B. (2) B has twice the
  35. physics

    A satellite has a mass of 6173 kg and is in a circular orbit 4.71 × 105 m above the surface of a planet. The period of the orbit is 1.6 hours. The radius of the planet is 4.31 × 106 m. What would be the true weight of the satellite if it were at rest on
  36. physics

    A satellite has a mass of 5850 kg and is in a circular orbit 3.8 105 m above the surface of a planet. The period of the orbit is two hours. The radius of the planet is 4.15 106 m. What is the true weight of the satellite when it is at rest on the planet's
  37. physics

    A satellite has a mass of 5910 kg and is in a circular orbit 4.69 × 105 m above the surface of a planet. The period of the orbit is 2.1 hours. The radius of the planet is 4.44 × 106 m. What would be the true weight of the satellite if it were at rest on
  38. Physics

    I have learnt that when we push an object on a horizontal plane with a certain angle, we are increasing its normal reaction and therefore friction increases. Whereas if we pull it, friction decreases. Is that true? Yes, there is more friction if you push
  39. Physics

    A satellite has a mass of 6445 kg and is in a circular orbit 4.14 × 105 m above the surface of a planet. The period of the orbit is 2.1 hours. The radius of the planet is 4.52 × 106 m. What would be the true weight of the satellite if it were at rest on
  40. Physics

    A satellite has a mass of 6090 kg and is in a circular orbit 4.63 × 105 m above the surface of a planet. The period of the orbit is 2.4 hours. The radius of the planet is 4.86 × 106 m. What would be the true weight of the satellite if it were at rest on
  41. physics

    A hydrogen atom in an excited state emits a Balmer beta photon followed by a Lyman alpha photon. The electron decayed from the third excited state to the first excited state to the ground state. True or False.
  42. Physics

    A satellite has a mass of 6000 kg and is in a circular orbit 4.20 105 m above the surface of a planet. The period of the orbit is two hours. The radius of the planet is 4.20 106 m. What is the true weight of the satellite when it is at rest on the planet's
  43. Physics

    A satellite has a mass of 5823 kg and is in a circular orbit 4.45 × 105 m above the surface of a planet. The period of the orbit is 1.9 hours. The radius of the planet is 4.57 × 106 m. What would be the true weight of the satellite if it were at rest
  44. Physics

    A satellite has a mass of 6179 kg and is in a circular orbit 4.83 × 105 m above the surface of a planet. The period of the orbit is 2.4 hours. The radius of the planet is 4.03 × 106 m. What would be the true weight of the satellite if it were at rest on
  45. psychology

    Regarding eyewitness testimony, which of the following statements is TRUE? A. Most victims do not have an adequate weapon focus B. Victims certain of their testimony are usually more accurate C. Eyewitness testimony is generally very accurate D. Perception
  46. math

    Our statistics students, as noted in Exercise 6.32, were asked to rate their admiration of Hillary Rodham Clinton on a scale of 1 to 7. They also were asked to rate their admiration of Jennifer Lopez and Venus Williams on a scale of 1 to 7. As noted
  47. geometry

    If a polygon is a kite, which statement is not true? a. The polygon is a quadrilateral. b. The polygon has exactly two distinct pairs of adjacent congruent sides. c. The diagonals of the polygon are congruent. d. The diagonals of the polygon are
  48. Algebra

    The (absolute value) x-20 (absolute value) is less than or equal to 6. I did it first with six positive and got x is lesss than or equal to 26. Then I made the six negative and got x is less than or equal to 14. But this is impossible for these to both be
  49. Social Studies

    Serapis Captured in Greatest American Sea Victory of War Which is true of this battle? A. The Bonhomme Richard was unharmed. B. The Serapis was larger than the Bonhomme Richard. C. The Serapis was sunken by cannon fire. D. The battle took place off the
  50. Statistics

    An electrical firm which manufactures a certain type of bulb wants to estimate its mean life. Assuming that the life of the light bulb is normally distributed and that the standard deviation is known to be 40 hours, how many bulbs should be tested so that
  51. Physics

    A satellite has a mass of 6000 kg and is in a circular orbit 3.30 105 m above the surface of a planet. The period of the orbit is two hours. The radius of the planet is 4.20 106 m. What is the true weight of the satellite when it is at rest on the planet's
  52. ETH 125

    click on the box in from your selected answer.There is only one correct response per questions. 1. which of the following statements is true about Arabs and Muslims? ac. most Muslims are not Arabs b. most Arab Americans are not Muslims c. the Arabs
  53. Algebra

    Bob and Ray are describing the same number. bob says the number is a positive even integer less than or equal to 20. Ray says the number is divisible by 4. If bobs statement is true, and Rays statement is false what are all the possible numbers? PLEASE
  54. geometry

    which of the following statements are true? a. if two angles form a linear pair, then the angles are supplementary b. if two angles are right angles, then the angles are complementary c. if two angles have the same measure, then the angles are congruent.
  55. Science

    How is empirical evidence different from an opinion. Is empirical evidence-Empirical evidence is information acquired or gathered by observation or experimentation. Opinion-what is the true science definition?
  56. Philosophy

    I have to write an essay (1000 words) on Niezsche (explain the phrase 'God is dead'). So far I have nearly 600 words. I am struggling with it though now. Here is what I have written: Friedrich Nietzsche was a German philosopher of the 19th century. He
  57. Pschology 202

    1. The three broad categories, also called domains, of adult development are: physical, cognitive, and sexual. (Points : 1) True False Question 2.2. Temperament is a term that relates to personality and emotional development. (Points : 1) True False
  58. english 11

    4. Which of the following statements about Anne Bradstreet is NOT true? (1 point)Anne Bradstreet was never married. Anne Bradstreet was the first published poet in America. Anne Bradstreet was born and educated in England. Anne Bradstreet favored poems
  59. allied health part 2-21

    which of the following statements about risk management is true? a. risk management is unique to the health care industry b. risk management is controlled and managed by hipaa regulations. c. risk management is concerned with reducing exposure to legal
  60. Focus on the Child, Part 2

    Which of the following is not true of social skills? A. Social skills help to foster cooperation and interdependent relationships. B. Social skills are related to the culture within which they're formed. C. Social skills are more strongly associated with
  61. civic

    A major U.S. trade partner has just gone to war with its neighbor. Its leader asks the United States for help. Which of the following statements is true about how the president will react? He will make a decision based only on his own feelings about the
  62. Poem

    I wrote this poem is this a good title There is a hero in everyone There is a hero in everyone Caring for others Giving strength, courage, and friendship To one another Heroes protect us In their special way They guide us, save us Each, and everyday Heroes
  63. Communication

    The perception process involves three parts: listening, absorbing, and reacting. False A child growing up on a deserted island would have no self-concept. False How you look at the world depends on what you think of yourself; and what you think of yourself
  64. Civics

    A major US trade partner has gone to war with its neighbor. It's leader asked the United States for help. Which of the following statements is true about how the president will react? A. He will make a decision based on only his own feelings about the war.
  65. Pre-Cal (Trig) Help?

    The following relationship is known to be true for two angles A and B: cos(A)cos(B)-sin(A)sin(B)=0.957269 Express A in terms of the angle B. Work in degrees and report numeric values accurate to 2 decimal places. So I'm pretty lost on how to even begin
  66. physics

    Believe it or not, a plumb-bob does not hang exactly along a line directed to the centre of the Earth! Determine how far off true plumb a bob hangs in Cape Town. In which direction is the deviation (north, east, south, or west)? How would your answer
  67. Math

    Suppose that an object is 100 lbs when it is at sea level. find the value of c that makes the equation true. (Sea level is 3963 miles from the center of the earth.) Use the value of c you found in the previous question to determin how much the object would
  68. maths

    if i have k = 36.86 +/- 4.78 and v = 113 +/- 9.92 both using 95% confidence limits and no true values of k or v given am i right in saying that accuracy cannot be determined and that v is a more precise measurement my question was to comment on what can be
  69. American History

    Which of the following is true with the regard to the Navigation Acts by the eighteen century? A. The colonists become used to buying and using British goods B.In general, the colonists desiped the acts and smuggling was rampant C. The acts replaced the
  70. chemistry

    Which of the following is NOT true about a nuclear power plant? A. They can explode like a nuclear bomb. B. They produce radioactive waste that must be safely stored for many years. C. They produce fewer carbon emissions than a coal-fired power plant. D.
  71. Grammar

    Determine if the following sentence employ the correct use of commas and apostrophes.TRUE=correct FALSE=wrong 1.The patient is a 41-year-old, white female with a several-month's history of biliary colic. ANSWER: False Thinking comma after old can be
  72. Physics, check my answer pls

    4. All of the following are true about torque except: A. its units are Newton-meters. B. it can only be produced by a force. C. torque is zero unless the force is pointed perpendicular to the moment arm. D. a force whose line of action passes through the
  73. Health

    Characteristics caused by hormones but that do not include development of reproductive organs are called........ A. primary sex Characteristics B. secondary sex characteristics C. physical Characteristics D. body Characteristics The many physical changes
  74. math

    Our statistics students, as noted were asked to rate their admiration of Hillary Rodham Clinton on a scale of 1 to 7. They also were asked to rate their admiration of Jennifer Lopez and Venus Williams on a scale of 1 to 7. As noted earlier, the mean rating
  75. statistics

    Our statistics students, as noted were asked to rate their admiration of Hillary Rodham Clinton on a scale of 1 to 7. They also were asked to rate their admiration of Jennifer Lopez and Venus Williams on a scale of 1 to 7. As noted earlier, the mean rating
  76. Macroeconomics

    The “Great Moderation” since 1985 could be due either to smaller demand stocks when compared to the period prior to 1985 or to a better response by monetary policymakers since 1985 to the same demand shocks that occurred prior to 1985. Evidence to
  77. Chemistry(HELP)

    Can you check this answer? 1. Heat of combustion is the heat released by the complete combustion of one mole of a substance. a.) True b.) False Answer: b.) False Is this right?
  78. trig

    Since cot x = cos x / sin x, if cot x = 1/2, with the angle x in the first quadrant, then cos x = 1 and sin x = 2 (1) State true or false. Is this a possible situation? (2) If false, explain why.
  79. Finance

    Rick has a credit card that charges 19% interest compounded monthly. What is the true annual rate of interest for Rick's credit card?
  80. Chemistry

    Is this true or false? Thanks A mole of CCl4 is composed of one atom of carbon and four atoms of chlorine. I put false because it contain one mole of C 4 mole of Cl. Each mole have more than one atoms. Thanks
  81. Science

    Zygomycota; 12. Vertical hyphae produce what structures? 13. What is the function of these structures? Sexual Reproduction In Zygomycota; 16. Sexual reproduction is only possible in Rhizopus if what is true?
  82. math

    Of the following, which must be true whenever x^1998 = y^1998? A. x^999=y^999 B. x^1997=y^1997 C. x^1999=y^1999 D. x^2000=y^1000 I tried plugging in 2 for x and y, but the calculator said overflow...
  83. computer science

    is it true or false A fixed length hash value of 128 bits is less collision resistant than a fixed length hash value of 512 bits
  84. Pre-Calc

    Since cot x = cos x / sin x, if cot x = 1/2, with the angle x in the first quadrant, then cos x = 1 and sin x = 2 (1) State true or false. Is this a possible situation? (2) If false, explain why.
  85. Physics

    Calculate the true weight of a 60 kg astronaut on: a) the surface of Mars, and b)the surface of Saturn. Mass of Mars= 6.42x10^23 Mass of Saturn= 5.69x10^26
  86. chemistry

    Choices: True,False. Select all that are True. The pH at the equivalence point of a weak base with a strong acid is expected to be less than 7 because of the presentce of the conjugated acid in the water. One cannot prepare a buffer from a strong acid and
  87. PH103

    Truth tables can a. display all the possible truth value involved with a set of sentences. b.determine what scientific claims are true. c.determine if inductive arguments are strong. d.determine if inductive arguments are weak.
  88. Math

    Select all that are true With which information can you construct more than one triangle? The measurements of two angles The measurements of two angles and the length of the included side The measurement of all angles The lengths of two sides and the
  89. Maths Help !!!!!!!!!!!!

    Alec measures the length of a line accurately. His answer, correct to 1 decimal place , is 42.7 cm. What is the greatest line of the line I did not understand the last bit can someone help with it please thanx One decimal place is 0.1 cm. The true length
  90. (11) Chemistry - Science (Dr. Bob222)

    In the following hypothetical reaction A + B → C + D, the equilibrium constant, Keq is less than 1.0 at 25°C and decreases by 35% on changing the temperature to 45°C. What must be true according to this information? A. The ΔH° for the reaction is
  91. Math

    5. Which of the following statements is NOT true regarding an expression written in scientific notation in the form of a x 10^n ? A.)The value of "A" must be greater than or equal to 1 and smaller than 10. B.)The value of "N" must be an integer.
  92. Algebra

    Classify each system. Give the number of solutions. y=3(x-1) -y+3x=3 My answer : 0=0 Infinitely many(consistent and dependent system) y-2x=5 X=y-3 My answer: 0=2 No solution(inconsistent system) Please My answers are true or false, if my answers are false
  93. Pre-Calculus

    If you solve the following system of equations by substitution, which statement is true? x = z x - 2y + z = 6 2x + y - 2z = 1 A. You can substitute z for x into the second and third equations. B. You can substitute x for z into the second and third
  94. calculus question ?

    I just can't wrap my head around this. I don't know if this is true I just came to conclusion with this if the limit of x--> +/-inf = L (if the limit of x going to pos/neg infinity gives you a number L) does that mean that L is a horizontal asymptote ? if
  95. SS

    What do colonialism and imperialism both require? a) one country giving money to another b) two countries sharing c) two countries working together d) one country ruling another country D What is one negative effect of the huge oil reserves in Nigeria? a)
  96. Social Studies

    What do colonialism and imperialism both require? a) one country giving money to another b) two countries sharing c) two countries working together d) one country ruling another country D What is one negative effect of the huge oil reserves in Nigeria? a)
  97. History

    2. Why was McCarthyism able to spread so easily in the United States? A.The Rosenberg trial led the public to believe there were more communists in the country. B.Many people believed the returning army veterans were communists. C.The Vietnam War fueled
  98. History!!! Help me!! Thank you!!

    1. Find a line that shows that Mr. Covey did not care that Douglass was too sick to work. (Chapter 10) 2. Find a line that shows that Master Thomas did not believe Douglass’ complaint against Mr. Covey. (Chapter 10) 3. Find a line that shows that Mr.
  99. math-logic(shsat)

    Question: If 15 - 2x < 7, then for all possible values of x that make the inequality true, (a) x8 (c) x>4 (d) x1/4 Answer: i chose the answer (d) but the answer of the book said (c). i understand where they are coming from we have to change the inequality
  100. English

    Hello. Will you please help me with the use of articles in English? 1)The situation is as follows: I heard something bad about a person I know, for example my friend Anna, and I want to say it's not true, which is correct then "it's an unfair accusation of