Popular questions and responses by Christian
  1. physics

    A jet plane lands with a speed of 110 m/s and can decelerate uniformly at a maximum rate of 4.1 m/s2 as it comes to rest. Can this plane land at an airport where the runway is 0.80 km long? Answer this by calculating. Answer in units of km

    asked on September 22, 2011
  2. Chemistry

    Which of the following would involve the largest production of heat per mole? a)the burning of gasoline b)the evaporation of water c)the fission of uranium d)the freezing of water e)the rusting of iron Is it C) Which of the following would involve the

    asked on July 23, 2010
  3. History- WWI

    What effect did the entry of the United States into WWI have on the war? Why?

    asked on November 6, 2007
  4. Physics

    A 2-kg brick is moving at a speed of 6 m/s. how large a force F is needed to stop the brick in a time of 7x10^-4 s?

    asked on December 9, 2015
  5. math

    1. Which angles are adjacent angles? (1 point) ∠GBM and ∠FBC ∠CBX and ∠FBC ∠XBG and ∠FBC ∠MBY and ∠FBC 2. The measure of ∠3 is 101°. Find the measure of ∠1. (1 point) 101° 106° 74° 79° 3. Is line l parallel to line m? Explain.

    asked on February 3, 2014
  6. economics

    Is your consumer behavior influenced by advertising or the news? Discuss one or two examples of media that have influenced your desires or affected your consumer choices

    asked on March 26, 2013
  7. Physics

    A rocket of mass 1000 kg containing a propellant gas of 3000kg is to be launched vertically. If the fuel is consumed at a rate of 60kgs-1, calculate the least velocity of the exhaust gasses if the rocket and content will just lift off the launching pad

    asked on October 1, 2017
  8. Chemistry Help! (Rydberg Equation)

    a) According to the Rydberg equation, the line with the shortest wavelength in the emission spectrum of atomic hydrogen is predicted to lie at a wavelength (in nm) of _____ b) According to the Rydberg equation, the longest wavelength (in nm) in the series

    asked on October 5, 2014
  9. MATH

    Please help meee How many cubes with side lengths of 1/3 does it take to fill the prism? The prism has side lengths of 5/3, 4/3, and 2. PLEASE HELPPPP ​

    asked on November 16, 2019

    Which expression is equivalent to 32 ⋅ 3−5? fraction 1 over 3 to the power 3 fraction 1 over 3 to the power 7 fraction 1 over 3 to the power negative 3 fraction 1 over 3 to the power negative 7

    asked on October 7, 2015
  11. Physics

    A child sits on a rotating merry-go-round, 2.19 m from its center. If the speed of the child is 2.32 m/s, what is the minimum coefficient of static friction between the child and the merry-go-round that will prevent the child from slipping?

    asked on March 6, 2011
  12. English

    "Reason your sympathies lean as they do" I'm trying to complete a chart. Can somebody explain what this means.

    asked on November 6, 2010
  13. maths

    find the product of x and y if x,3/2,6/7,y are in geometric progression

    asked on October 18, 2017
  14. Finance

    Suppose that five years ago Cisco Systems sold a 15-year bond issue that had a $1,000 par value and a 7 percent coupon rate. Interest is paid semiannually. a. If the going interest rate has risen to 10 percent, at what price would the bonds be selling

    asked on September 27, 2012
  15. Psychology

    How do traumatic brain injuries occur. I don't mean like concussions or contusions though. I am trying to write a report on how brain injuries affect personality but i am not sure how a serious brain injury occurs.

    asked on October 28, 2007
  16. math

    A cheetah traveling at 31 m/s chased its prey for 11 seconds. What distance did the cheetah travel during the chase??

    asked on February 20, 2018
  17. algebra

    Which shows the expressions in the order they would appear on a number line from least to greatest? 17 over 9, square root of 6, square root of 15, square root of 30, 3 to the power of 3 3 to the power of 3, square root of 30, square root of 15, square

    asked on October 7, 2015
  18. Physics

    A skier moves 100.0 m horizontally, and then travels another 35.0 m uphill at an angle of 35.0º above the horizontal. What is the skier's displacement from his starting point?

    asked on February 12, 2015
  19. personal finance

    Which type of tax is calculated on a per-item basis?

    asked on January 28, 2015
  20. social studies

    In 1846, the population of San Francisco, California, was only 200. By 1852, the city's population was 36,000. Which contributed the most to San Francisco's population change? (5 points) The Gold Rush The Mexican-American War The Monroe Doctrine The Trail

    asked on February 23, 2014
  21. Chemistry

    What is the molarity of a sodium hydroxide solution if 38 mL of the solution is titrated to the end point with 14 ml of .75M sulfuric acid?

    asked on May 18, 2011
  22. riddle

    what is something and nothing at the same time?

    asked on August 25, 2008
  23. Psychology

    Are some people genetically inherent to addiction? Is addiction a learned behavior that comes from surroundings?

    asked on June 3, 2008
  24. Psychology

    Is there a strong connection between our mood and our senses? Has there been science esearch to support or disprove this notion?

    asked on November 21, 2007
  25. Psychology

    Is there a strong connection between our mood and our senses? Has there been science esearch to support or disprove this notion?

    asked on November 20, 2007
  26. Psychology

    Why do some people dream and others don't? Why can we only remember parts of our dreams when we wake up?

    asked on November 12, 2007
  27. Psychology

    Who is Phineas Gage and how did his behavior change after the accident? Could anyone help me with a report about behavioral repercussions od different brain injuries? I have to pretend someone I know has a brain injury and create 5 journal entries

    asked on October 25, 2007
  28. English

    Determine the rhythm and meter of each set. "Workers earn it. Spendthrifts burn it. Bankers lend it Women spend it. Forgers fake it. Taxes take it. Dying leave it. Heirs receive it. Thrifty save it. Misers crave it. Robbers seize it. Rich increase it.

    asked on October 22, 2007
  29. Psychology

    Why is it that children of older parents( over 40) are better adjusted, have closer ties with their parents, and are more social when they enter school than children of young parents( under 40)? Using theis question perform the scientific method and write

    asked on September 26, 2007
  30. History

    Explain in your own words why you listed this particular cost as the “#1 Cost of the American Civil War.”

    asked on August 15, 2014
  31. math

    I am the greatest common factor of three numbers. Their sum is 36. The largest number is twice the smallest and the middle number is the mean of the other two. What are the three numbers? What number am I?

    asked on March 31, 2014
  32. math ugh.

    at a small private collage, 9/20 of the students are female. there are 2160 female students, then how much are male?

    asked on April 4, 2013
  33. physics 112

    what is meant by a change in temp of 1 degree celcius on the scale of a platinum resistance thermometer

    asked on January 27, 2013

    How do you apply critical thinking to someone's else writing?

    asked on July 8, 2012
  35. math

    Explain why 0.7=0.70.

    asked on November 2, 2011
  36. math

    i am a number between 20 and 30. when u divide me into 6 equal groups, there is an even number in each group and 2 are left over. what number and I

    asked on October 30, 2011
  37. math

    The mass of a bag of sand was 2.95 kilograms when it was 2/3 full. When 1/6 of the sand was removed, the mass of the bag of sand became 2.325 kilograms. Find the mass of the empty bag in kilogrmas. Help!

    asked on October 18, 2011
  38. Engineering Statistics

    "A study has shown that 20% of all college textbooks have a price of $90 or higher. It is known that the standard deviation of the prices of all college textbooks is $9.50. Suppose the prices of all college textbooks have a normal distribution. What is the

    asked on October 11, 2011
  39. physics

    what is the correct equation for the reaction of HBr with Ca(OH)2-

    asked on December 15, 2008
  40. Social Studies

    Why did the british government go into debt?

    asked on September 30, 2008
  41. Psychology

    When a patient opens up to a therapist they sometimes become attached and dependent on their therapist. I tried to find information on Woody Allen Syndrome but nothing is coming up. Is this common and how can therapists try to prevent this situation?

    asked on May 13, 2008
  42. "Brave New World"

    I am writing an essay after reading the first 3 chapters of "Brave New World" about how genetic engineering produced the society. What are the motives behind genetic engineering according to Huxley? Has genetic engineering "Improved" lives of the peopel in

    asked on April 28, 2008
  43. Spanish

    I need help conjugating the verb Pasar into prsent tense, imperfect tense, preterite, -ing, tu affirmative command, Ud. affirmative command, Uds. affirmative command, future, and conditional tense. I also need to conjugate Tener into present tense. I am

    asked on January 9, 2008
  44. Psychology

    What is the controversy surrounding full body scans and what is the dilemma this is creating for physicians? What are the dangers of full body scans?

    asked on October 29, 2007
  45. Psychology

    In 200 words write an account of a day in th life of a psychologist. Include info about salary, duties, and responsibilities. Can someone please help me with this? It's tough!

    asked on September 21, 2007
  46. Psychology

    I am doing a project where I have to illustrate the collective unconscious of my culture. The question is what symbols and archetypes are in your culture. I am using the archetypes the mother, and the hero. My problem is I don't know how this collective

    asked on September 13, 2007
  47. psychology

    What is basic science? What is applied science? What traits to people need to be successful in basic science psychology fields? applied science?

    asked on September 4, 2007
  48. Algebra 2( it's a tough one!)

    Jose needs to enclose a rectangular section of his yard. The area is 35 sq. ft. and the perimeter is 27 sq. ft. Find the length and width of the section. let l be the length, and w be the width in feet. so 2l+2w=27 --->l+w=13.5 ----> w=13.5-l secondly

    asked on May 3, 2007
  49. algebra

    If an area of a square garden is 141 square feet how much fencing is needed to enclose the garden?

    asked on February 5, 2020
  50. Math

    Use the GCF and the distributive property to write 24 +40 as a product

    asked on October 22, 2019
  51. math

    You jogged 11 kilometers at an average speed of 10 kilometers per hour. How long did you jog? I need help please

    asked on February 20, 2018
  52. physics

    A box weighing 87 lb is being pulled with a rope that exerts a force of 60. lb at an angle of 15 degrees with the horizontal. if the coefficient of kinetic friction is .35, what is the kinetic friction?

    asked on August 24, 2017
  53. Algebra

    Violet used 1 3/4 gallons of paint on her kitchen wall.She used 4 times as much paint for her living room and bedroom walls. How much paint did Violet use for the living bedroom walls?

    asked on January 17, 2017
  54. Math

    Ivan has a 5-cent stamp, a 10-cent stamp, and a 20-cent stamp.How many different combinations of postage can he form with the stamps?

    asked on January 8, 2017
  55. Trig

    Cicero has a population of 6200 people and is growing at a rate of 8% per year . Mattydale has a population of 8750 and is growing at a rate of 6% per year create and equation solve the problem and in how many years to the nearest year will Cicero have a

    asked on December 6, 2016
  56. Chemistry

    4.13 grams of magnesium chloride were recovered after the chemical reaction between magnesium and chlorine gas occurred. If 7.10 grams of magnesium chloride was suppose to be produced, what is the percent yield of magnesium chloride?

    asked on April 22, 2016
  57. grammar

    would social studies be capitalized in this sentence: I don't understand how he did the social studies problem.

    asked on April 14, 2015
  58. Physic

    I need someone that can help with a formula any smart people. Law of universal gravitation f=g m 1 x m2 /r^2 needs to k ow what g is? Help?

    asked on October 17, 2014
  59. Accounting

    1. Compute the estimated uncollectible accounts at the end of the year using the following rates: Current 1% 1–30 days past due 3% 31–60 days past due 9% Over 60 days past due 25% 2. As of December 31, 2013, there is a credit balance of $208.20 in

    asked on September 12, 2014
  60. Accounting

    Ultra Leather Products sells leather clothing at both wholesale and retail. The company has found that there is a higher rate of uncollectible accounts from retail credit sales than from wholesale credit sales. Ultra computes its estimated loss from

    asked on September 12, 2014
  61. Physics (Help Please)

    Most of us know intuitively that in a head-on collision between a large dump truck and a subcompact car, you are better off being in the truck than in the car. Why is this? Many people imagine that the collision force exerted on the car is much greater

    asked on April 8, 2014
  62. Physics (Help Please)

    An astronaut of mass 84.0 kg is taking a space walk to work on the International Space Station. Because of a malfunction with the booster rockets on his spacesuit, he finds himself drifting away from the station with a constant speed of 0.570 m/s. With the

    asked on April 8, 2014
  63. Physics (Help please)

    A force platform is a tool used to analyze the performance of athletes measuring the vertical force that the athlete exerts on the ground as a function of time. Starting from rest, a 60.0 kg athlete jumps down onto the platform from a height of 0.600 m.

    asked on April 8, 2014
  64. Science

    In a hypothetical experiment, the blood flow between two dogs is joined and one dog is stressed so that its heart rate goes up rapidly. What will happen to the heart rate of the second dog? a) It will remain calm because the heart rate is determined

    asked on February 4, 2014
  65. physics

    a loaded cart, mass220-kg is pulled across the ground with the force of300n acting at angle 37 degree with the horizontal. how much work is done in moving the cart 20m?

    asked on March 20, 2013
  66. chemistry Emergency TEST

    1.How many moles of sodium oxide are produced when3.9 moles of sodium combine with excess oxygen. 2. Sodium chloride decomposes into elemental sodium and elemental chlorine.How many grams of chlorine will be produced if 39.4 grams of sodium chloride

    asked on February 14, 2013
  67. Physics

    A 75.0kg bobsled is pushed along a horizontal surface by two athletes. After the bobsled is pushed a distance of 4.5m starting from the rest, its speed is 6.0m/s. Find the magnitude of the net force on the bobsled.

    asked on January 10, 2013
  68. physical scinsce

    A cannon that is 10m long is designed to launch a 10kg ball over a castle wall. In order to do this the ball must have a speed of at least 50m/s as it exits the cannon. For every 10kg of explosives used, the force on the ball in the cannon increases by

    asked on September 27, 2012
  69. math

    a fencing company was asked to enclose three gardens with wire fences: a rectangular garden with a length of 270 meters and a width of 1123.62 meters; a square garden with a side length of 657.955 meters; and a rectangular garden with a width of 35 meters

    asked on September 20, 2012
  70. science

    how far will 350 jules raise a block weighing 7n

    asked on March 12, 2012
  71. Chemistry

    When one of the following substances is dissolved in water, the only positive ions in the solution are hydrogen ions. NaOH NaH H2S Nh3

    asked on February 25, 2012
  72. Chemistry

    When one of the following substances is dissolved in water, the only positive ions in the solution are hydrogen ions. CH3OH LiOH PO4 -3 CO 3 -2

    asked on February 25, 2012
  73. Algebra

    Flying with wind, a plane flew 800 miles in 5 hrs. Flying against the wind, the plane flew the same distance in 8 hrs. Find the still air speed and wind speed.

    asked on November 7, 2011
  74. Pre-calculus

    So a computer virus has been created via Corporate e-mail. Let t=0 be the time of the first 100 infections, and at t=17 minutes the population of infected computers grows to 200. Assume the anti-virus companies arent able to identify the virus or slow its

    asked on May 11, 2011
  75. CHEM-102

    Ka for hypochlorous acid,HClO is 3.0x10^-8. Calculate the pH after 10.0, 20.0, 30.0, and 40.0mL of 0.100M NaOH have been added to 40.0mL of 0.100M HOCl.

    asked on March 27, 2011
  76. math

    which number is least, which number is greatest 30%, 3/4, .34

    asked on November 8, 2010
  77. physics

    Which bear has the greater average velocity over the entire period? Which bear has the greater velocity at t = 8.0 min? Is the velocity of bear A always positive? Is the velocity of bear B ever negative?

    asked on February 10, 2010
  78. CHEM

    How many grams of water and iron must react to produce 543 g of iron oxide, Fe3O4? 3Fe + 4H2O---> Fe3O4 + 4H2

    asked on August 3, 2009
  79. science

    im 11 years old do you know a science fair project i can do for magnetism. or a website. im in six grade

    asked on October 30, 2008
  80. AP Biology

    Okay, so in the Lab Assignment that I'm currently working on in AP Biology, there is a question that says: - What results would you expect if a dialysis bag were filled with glucose and iodine and then placed into a beaker of starch and water? Its a

    asked on October 22, 2008
  81. Brave New World

    Is it possible that when Aldous Huxley wrote Brave New World that he was writing a prophecy?

    asked on June 1, 2008
  82. Psychology

    How did Ivan Pavlov inspire John Watson?

    asked on May 21, 2008
  83. Psychology

    I am creating a powerpoint presentation on the Hierarchy of Needs. Each page has to be a personal take on each need and had to include images. What type of images represent self esteem needs and self actulization needs? I made the decision to apply to

    asked on May 14, 2008
  84. Psychology

    I need help in creating a timeline about the development of psychotherapy. I have to include the major and minor strands of psychotherapy, the premier scholars, and geographic delineations.

    asked on May 8, 2008
  85. Psychology

    How has the diagnosis and treatment of schizophrenia changed over the years? What are some of the most important moments in this history?

    asked on April 30, 2008
  86. Psychology

    Create mnenomics for the terms: stores, encoding, processes, retrival, iconic memory, echoic memory, primacy effect, recency effect, semantic memory, and episodic memory.

    asked on April 4, 2008
  87. History

    What were two intended outcomes of the Green Revolution and two unintended outcomes of the Green Revolution?

    asked on February 28, 2008
  88. Eng Literature

    Who is Richard Daly of the 1960's?

    asked on February 4, 2008
  89. English- Shakespeare

    Some people believe Shakespeare's plays were not really written by him. Soem people believe the real authors are anywhere from Francis Bacon to Queen Elizabeth while others support Edward de Vere. Who do you belive is the literary and historical

    asked on January 4, 2008
  90. Psychology

    I am studying Jean Piaget's theory of development in my psychology class. What computer software might parents and adults use to teach young children? What aspect of the child's development would the software address?

    asked on December 18, 2007
  91. Psychology

    What are the repercussions of a bruised ego? Would it be correct to say that there is not much difference in the theories of Freud and Erikson on ego? Are there any consequences to a bruised ego? I don't think there are but I am having such trouble with

    asked on December 14, 2007
  92. Psychology

    What are the major criticisms of Freud's theory of personality by Alfred Adler and Carl Jung?

    asked on December 6, 2007
  93. Psychology

    The medical benefits of marijuana versus the danger of its use in society has neen a dispute for decades. I have to write a 350 word essay about the debate and compare and contrast the negative effects of marijuana and the positive effects. Any help?

    asked on November 14, 2007
  94. Psychology

    Why are twin studies valuable in behavioral genetics research? What does the research say about the effects of environment on IQ scores in poor homes versus affluent homes? What does this suggest?

    asked on November 3, 2007
  95. Psychology

    What are the strengths and weaknesses of Naturalistic observation, Case studies, and Longitudinal Studies?

    asked on October 4, 2007
  96. Social Studies

    Why did the French want to establish forts along the Atlantic coast of the new world?

    asked on September 27, 2007
  97. Psychology

    Illustrate the collective unconscious of your particular culture. What symbols and archetypes emerge? What value/ meanings does the symbols represent? How does collective unconsious infleunce individual behavior? Could someone please help me with this

    asked on September 12, 2007
  98. Algebra 2

    Completing the square method allows you to solve any quadratic equation. For each of the following determine what number completes the square. I cannot find my notes on completing the square, can someone please help with these two problems? 1. x^2+8x 2.

    asked on May 21, 2007
  99. Chemistry

    Hydrogen iodine is a strong acid that is used in chemical synthesis to produce some common drugs as well as a source for iodine, I2. Data for the formation of hydrogen iodine was obtained as shown. The reaction was found to be first order with respect to

    asked on May 19, 2007
  100. Chemistry

    Give the enthalpy change and entropy change values shown below calculate the free energy change for this reaction at 25 degrees C using Gibbs free energy equation. How does this value compare to the free energy change using the standard free energy of

    asked on May 16, 2007


  1. 1
  2. 2
  3. 3
  4. 4