1. Physics

    The amount of radiant power produced by the sun is approximately 3.9 x 1026 W. Assuming the sun to be a perfect blackbody (e = 1) sphere with a radius of 6.96 x 108 m, find its surface temperature (in kelvins).

    asked by Akeneta on April 10, 2016
  2. UOP PSY 270

    Respond to the following: 1.Stress can be the root cause of psychological disorders. Name four symptoms shared by acute and posttraumatic stress disorders. 2.What life events are most likely to trigger a stress disorder? 3.Traumatic events do not always

    asked by ME on September 29, 2009
  3. maths

    3 and 5 of spade, king and queen of club , 7 and 9 of diamond and ace of heart are removed (i) find the probability its a red card (ii) find the probability its neither king nor queen (iii) find the probability its a face card (iv) That its a black

    asked by tuhituhi on February 16, 2014
  4. Animal Skeletal and Muscular Systems

    Which of the following is an example of voluntary muscle activity? a. scratching b. movement of food down the intestine c. heart contractions d. movement of urine into the bladder Which of the following muscles are used when breathing? a. intercostal and

    asked by Kelsi on October 1, 2011
  5. business law

    Val's Food signs a contract to buy 1,500 pounds of basil from Sun Farms, a small organic herb grower, as long as independent organization inspects and certifies that the crop contains no pesticide or herbicide residue. Val's has a contract with several

    asked by Hey on April 2, 2012
  6. physics (check my answers)

    When the nuclear fuel in the sun is gone, the sun will collapse to a a. black hole b. white dwarf c. supernova d. neutron star My answer: I think its a black hole. If the mass of the Earth were suddenly doubled while the radius was unchanged, your weight

    asked by Jacob on February 17, 2007
  7. physics

    A friend has some friends who own a tree farm in Foster. This summer they cleared away all the trees that were within a 50m distance from their house. This meant that their house was safer if a fire started, as well as the fact that they now get more sun

    asked by live on November 10, 2018
  8. Math

    The planet Mercury is approximately 6 x 10^7 miles from the Sun. The distance between the Sun and Mars is approximately 2 x 10^8 miles. ABOUT how many times farther from the Sun is Mars than Mercury? 2 3 20 30 I got B? Can you please check? Thank you!!

    asked by Jessica on December 27, 2017
  9. physics

    During an eclipse, the Sun, Earth, and Moon are arranged in a line as shown in the figure below. There are two types of eclipse: (a) a lunar eclipse, when Earth is between the Sun and the Moon, and (b) a solar eclipse, when the Moon is between the Sun and

    asked by sanjeev on November 1, 2011
  10. science

    Why clouds float so high ?

    asked by Rajni on June 28, 2008
  11. help help help

    The asteroid belt between Mars and Jupiter consists of many fragments (which some space scientists think came from a planet that once orbited the Sun but was destroyed). (a) If the center of mass of the asteroid belt is about 2 times farther from the Sun

    asked by Teri D on October 9, 2006
  12. Literature

    I need help with the meter of this poem: Wild Nights -- Wild Nights! Were I with thee Wild Nights should be Our luxury! Futile -- the Winds -- To a Heart in port -- Done with the Compass -- Done with the Chart! Rowing in Eden -- Ah, the Sea! Might I but

    asked by Daniella on January 16, 2015
  13. physics

    The aorta carries blood away from the heart at a speed of about 43 cm/s and has a radius of approximately 1.1 cm. The aorta branches eventually into a large number of tiny capillaries that distribute the blood to the various body organs. In a capillary,

    asked by archer on August 28, 2015
  14. English

    I left out the following sentences. Thank you very much. 1)His sallow skin enables one to see the pulsing work of his muscles, veins and arteries. Victor dreams of Elizabeth (but he dreams about Elizabeth walking in Ingolstadt). 2) Victor is closed in his

    asked by Henry2 on January 1, 2012
  15. English Expressions

    Think of the loci method. In this room you can find 9 fixed things and number the things systematically from top to bottom and from left to right. Then you can recall what you have memorized with ease. You need to use the 3 3 3 system. After that prepare 9

    asked by John on December 12, 2007
  16. HEALTH AGAIN!! THANKS TO EVERYONE WHO ANSWERED ME!

    DOES ANYONE KNOW ANY DISEASES ASSOCIATED WITH OBESITY?? MY HEALTH TEACHER IS WAY HARSH!! HE ASSINGED A ESSAY THE THIRD DAY BACK!! HOW CRUEL RIGHT? I WILL GIVE A THANKS IN ADVANCE TO ANYONE WHO ANSWERS MY QUESTION!! ] THANKS!!!!!;) :? Heart disease,

    asked by school girl11 :? on September 13, 2006
  17. calculus

    A heart attack victim is given a blood vessel dilator to increase the radii of the blood vessels. After receiving the dilator, the radii of the affected blood vessels increase at about 1% per minute. According to Poiseulle's law, the volume of blood

    asked by theo on July 4, 2010
  18. Science

    Fill in the blank 1. _______ digestion occurs in the small intestine through the action of enzymes. 2. Urea, excess water, and other waste materials are eliminated in a water fluid called ___________. 3. __________ can cause infections by injecting DNA or

    asked by Rose on November 19, 2018
  19. Epidemiology

    Identify the study design best described by the scenarios or research questions presented below. Provide a two-sentence rationale for your answer. Choose from: • Ecologic • Cross-sectional • Case-control • Retrospective (Historical) Cohort •

    asked by Confused on August 8, 2011
  20. Algebra 2

    Can someone please check my answers? A card is randomly drawn from a standard deck of 52 cards. Find the probability of drawing the indicated card. 1.Not an ace. =12/13 2.A face card and a four. =4/13 3.A heart or a diamond. =1/2 4.A six or a seven. = 2/13

    asked by Jane on February 3, 2014
  21. Language Arts

    "Full Fathom Five" by - William Shakespeare Full fathom five thy father lies; Of his bones are coral made; Those are pearls that were his eyes; Nothing of him that doth fade But doth suffer a sea change Into something rich and strange. Sea nymphs hourly

    asked by Rita on February 3, 2016
  22. English

    Could you please check which tense is best in the following sentences? Thank you. (The poet remembers a walk he went on with his sister, during which he was struck by the song of a Highland Lass.) 1) The poet doesn’t know the song she is singing. 2) As a

    asked by Henry2 on November 7, 2011
  23. EARTH SCIENCE

    If the warm North Atlantic Drift were to cease, how might the climate of Western Europe change?Speculate about how such a climate could influence the biosphere? help me please.

    asked by Anonymous on July 10, 2010
  24. Science

    1. Which of the following is an example of energy transfer from the sun to a producer and then to a consumer? a. sun warms rocks; squirrels climb over rocks; squirrels are eaten by other animals b. sunlight helps plants to grow and deer eat plants c. sun

    asked by Cheryl on March 1, 2012
  25. help anatomy questions

    10.what is the name of the inner portion of the kidney? calyx cortex hilum medulla 8. A fracture straight across the bone at a right angle to the bone's axis is called? oblique fracture spiral fracture stress fracture transverse fracture 3. The lymphatic

    asked by g. rose on December 3, 2014
  26. HELP MATH ONLY 1 QUESTION!!!!!!!!!!!!!!!!!!!!!!!!!

    you draw five card from a standard deck of 52 cards p(heart)=4/5. what type of probability is illustrated and why?? 1) Theroretical ; the result is based on then number of possible outcomes 2) Theroretical; the result is found by repeating an experiment

    asked by someone on May 1, 2014
  27. Math

    you draw five card from a standard deck of 52 cards p(heart)=4/5. what type of probability is illustrated and why?? 1) Theroretical ; the result is based on then number of possible outcomes 2) Theroretical; the result is found by repeating an experiment

    asked by Lulú on May 11, 2017
  28. Physics

    A comet orbits the Sun with a period of 72.0 yr. (a) Find the semimajor axis of the orbit of the comet in astronomical units (1 AU is equal to the semimajor axis of the Earth's orbit). (b) If the comet is 0.60 AU from the Sun at perihelion, what is its

    asked by James on July 18, 2012
  29. Science

    What factors affect weather and climate? I think it's the sun, the water cycle, the atmosphere, and the ocean. The Sun is the most important because you need the sun for water cycle You need the ocean for the water cycle

    asked by Jaycee on December 7, 2011
  30. physic

    At which point between earth and sun, the intensity of the gravity field of the earth and sun are equal, if the mass of Earth is 6 x 10 to power 24 kg, the mass of the sun is 2 x 10 to power 30 kg while the distance between them is 15 x 10 to power 7 km?

    asked by fjolla on January 26, 2012
  31. Physics

    At the upper surface of the earth's atmosphere, the time-averaged magnitude of the Poynting vector is referred to as the solar constant and is given by =1.35×103W⋅m−2 . (a) If you assume that the sun's electromagnetic radiation is a plane sinusoidal

    asked by Rohan on May 13, 2013
  32. Physics

    At the upper surface of the earth's atmosphere, the time-averaged magnitude of the Poynting vector is referred to as the solar constant and is given by =1.35×103W⋅m−2 . (a) If you assume that the sun's electromagnetic radiation is a plane sinusoidal

    asked by amit sharma on May 8, 2013
  33. Physics to Elena

    At the upper surface of the earth's atmosphere, the time-averaged magnitude of the Poynting vector is referred to as the solar constant and is given by =1.35×103W⋅m−2 . (a) If you assume that the sun's electromagnetic radiation is a plane sinusoidal

    asked by Rohan on May 14, 2013
  34. human biology

    if a cell lacks ATP, which of the following processes would cease to operate immediately? diffusion Na+/K= pump facilitated diffusion osmosis or passive transport

    asked by sophia on March 18, 2007
  35. Science

    what is the difference between water vapor and clouds?

    asked by Denna on September 13, 2011
  36. science

    can someone please help me if your good at science:How does clouds form?

    asked by kool4life on January 27, 2010
  37. science

    clouds that look like fluffy cotton balls are known as?

    asked by salman on September 23, 2009
  38. English

    I still have a few questions to check. I really hope you can check them. Thank you! 1) Which metaphors does the poet use to address the urn in the first stanza? 2) How is the urn described? What figure of speech is used in line one and two “Heard

    asked by John on June 26, 2013
  39. Pigskin geography

    Watch for news of the,running of the bulls in atlanta on Saturday. Taking a page from 'the sun also rises' by the campuses writer, _________'________ After all these events are over, someone might write a book entittled " the sun also falls"

    asked by Mia on October 17, 2013
  40. English lit

    I need to write a explication about this poem, can you help? A poem comes straight from inside the heart A poet with his own poem he will never part A poet feels and can see what others cannot see A poet can see beauty in bees and the fruitful pure tree A

    asked by Anonymous on March 15, 2010
  41. Trigonometry

    Hi this is a two part question. I got the first part but can't figure out second. Please help! A home is designed to keep sun off outside south wall during summer months and have wall exposed to dun as much as possible during winter months. The highest

    asked by Cherie on October 1, 2014
  42. Accounting

    It's approaching year-end, and your president has asked you, the management accountant, to visit his office for a heart-to-heart talk. After he closes the door, he tells you that profits for the year will end up below plan and that he's disappointed. He

    asked by Anonymous on July 19, 2010
  43. English

    Which of the following sentences from the happy man best supports the theme selected above? (The above theme was -Too much of a good thing can make a person sick) a. "Inside him, he felt a boundless power, an imperishable energy, an ability to achieve

    asked by Anonymous on January 20, 2019
  44. English

    1. The earth goes around the sun. 2. The eatth moves around the sun. 3. The earth goes round the sun. 4. The earth moves round the sun. (Which one do I have to use?) 5. Many boys were sitting around the lake. 6. Many boys were sitting round the lake. (Do I

    asked by John on April 30, 2009
  45. Astronomy

    The Sun is currently in the constellation Sagittarius on New Year's Day. When Bega is the North Start, what constellation wil the Sun be in on January 1st?

    asked by Anonymous on September 1, 2010
  46. AP Lit (Help)

    Think about the role of the money in a raisin in the sun how does affect each of the major characters? is abook called a raisin in the sun by Lorraine hansberry

    asked by anonymous on October 1, 2007
  47. Science

    Express mass of the Earth in unit of M. Take ME = 6 x 1024kg. The apparent magnitude of the sun is £¡ 26.81 and that of another star is£¡1.81. How much brighter the sun is with respect to that star ?

    asked by Sanjay on December 2, 2012
  48. English

    Wild Nights -- Wild Nights! Were I with thee Wild Nights should be Our luxury! Futile -- the Winds -- To a Heart in port -- Done with the Compass -- Done with the Chart! Rowing in Eden -- Ah, the Sea! Might I but moor -- Tonight --In Thee! Which best

    asked by Anonymous on December 25, 2011
  49. math

    Pick a Card. Mike and dave play the following card game. Mike picks a card from the deck If he selects a heart Dave gives him $5, if not, he gives Dave $2. Determine Mikes's expectation. Determine Daves' expectation Can you help me with this? i have tried

    asked by Adie on July 13, 2012
  50. BUS 200

    You will represent a major tobacco company like R. L. Reynolds or Philip Morris. Research the issues and debate Should tobacco companies cease and desist all advertising in the US?

    asked by Irina on September 14, 2011
  51. Geog

    1-on Dec 21, what is the noon sun angle for someone at 12 degree 15' S.Lat? ( give the answer to the nearest minut.) 2- In what horizon is the noon sun for this person?

    asked by Bob on February 5, 2007
  52. algebra

    The mass of neptune is about 1.03x10^23 metric tons. The mass of the sun is about 1.998x10^27 metric tons. About how many times the mass of Neptune is the mass of the sun? Give answer in scientific notation. The mass of the sun is about___times the mass of

    asked by Angella on July 28, 2011
  53. science

    if earth is one astronomical unit from the sun and has a period of 1 year, approximately how far is planet X form the sun if it has a period of 26 yearS

    asked by bob on January 11, 2011
  54. math

    Saturn is 6 times further from the Sun than Mars. Define a variable and write and expression for the distance of Saturn from the Sun. Not the same person

    asked by James on September 8, 2010
  55. physics

    Mercury orbits the Sun with an everage speed of 47,800,000 m/s. About how long does Mercury take to orbit the Sun? I'm quite confused.

    asked by JJ on January 13, 2009
  56. Physics

    Calculate the time it takes for a gamma ray to travel from the Sun to the Earth Distance (mean) Earth to Sun=1.5 e11 m

    asked by ted on April 24, 2018
  57. epimediology

    a. A study of the relationship between exercise and heart attacks that is conducted among women who do not smoke. Explain whether gender is a confounder. b. A case-control study of the relationship between liver cirrhosis and alcohol use. In this study,

    asked by trisha on July 19, 2010
  58. Physics

    Your heart beats with a frequency of 1.35 Hz. How many beats occur in a minute? If the frequency of your heartbeat increases, will the number of beats in a minute increase, decrease, or stay the same? How many beats occur in a minute if the frequency

    asked by Cooper on November 17, 2011
  59. physiology

    Make a good argument for blood to be placed in an organ system OTHER than cardiovascular. Make a good argument for blood to remain in the cardiovascular system. I chose lungs because it is positioned in the same level as heart, but don't know what else to

    asked by Nisar on June 21, 2005
  60. Physics

    The sun is a satellite of Milky Way's galactic central cluster. The sun revolves around this center with a radius of 2.28x10^20 m. and with a period of 2.52x10^8 years. If the universe is 16 billion years old. a) How many times has the galaxy rotated and

    asked by Tyco on June 18, 2014
  61. physics

    An asteroid moves toward the sun along a straight line with a velocity given by v = -(c1+c2/x)½ , where x is the distance from the center of the sun. Use the chain rule for derivatives to show that the asteroid's acceleration is a = -c2 /2x^2.

    asked by mitch on August 23, 2012
  62. Physics

    The sun is 1.40•10^11m away and light travels at 3.00•10^8m/s. Calculate how long it takes light from the sun to reach the earth. Express your answer in scientific notation.

    asked by Nicole on August 28, 2012
  63. astronomy

    You must show your work for full credit.) Calculate the circular speed of an object that orbits the Sun at a distance of 5.2 AU (1 AU = 1.5e+11 meters, the distance between the Earth and the Sun)

    asked by Gerson on July 15, 2012
  64. Physics

    The sun is 1.40•10^11m away and light travels at 3.00•10^8m/s. Calculate how long it takes light from the sun to reach the earth. Express your answer in scientific notation.

    asked by Nicole on August 28, 2012
  65. Physics

    The sun is 1.40•10^11m away and light travels at 3.00•10^8m/s. Calculate how long it takes light from the sun to reach the earth. Express your answer in scientific notation.

    asked by Nicole on August 28, 2012
  66. Physics

    The sun is 1.40•10^11m away and light travels at 3.00•10^8m/s. Calculate how long it takes light from the sun to reach the earth. Express your answer in scientific notation.

    asked by Nicole on August 28, 2012
  67. physics

    Mercury is an average distance of 5.79 x 107 km from the Sun. Estimate the length of the Mercurian year given that the Earth is 1.50 108 km from the Sun on the average. An explanation of how to do this would be great, thanks.

    asked by Anonymous on November 23, 2009
  68. physics

    You must show your work for full credit.) Calculate the circular speed of an object that orbits the Sun at a distance of 0.2 AU (1 AU = 1.5e+11 meters, the distance between the Earth and the Sun)

    asked by jennifer on March 7, 2014
  69. Physics

    Neutron stars, such as the one at the center of the Crab Nebula, have about the same mass as our sun but a much smaller diameter. If you weigh 665 on the earth, what would be your weight on the surface of a neutron star that has the same mass as our sun

    asked by Mikhail on April 4, 2010
  70. Physics

    Neutron stars, such as the one at the center of the Crab Nebula, have about the same mass as our sun but a much smaller diameter. If you weigh 665N on the earth, what would be your weight on the surface of a neutron star that has the same mass as our sun

    asked by Mike on April 5, 2010
  71. English

    1. I was very worried because my mother was sick in bed. 2. I felt very sad because Korea lost the soccer game with Japan by 2:1. 3. I was very sad because Korea was defeted by Japan on the soccer match by 2:1. 3. The dog tore my homework. 4. The dog

    asked by John on June 3, 2009
  72. Science

    If the sun is in the center of the constellation Sagittarius on January 10, what time would the sun rise and what time would it set? Need an answer!!!!!

    asked by Jenny on March 26, 2010
  73. math

    Saturn is 6 times further from the Sun than Mars. Define a variable and write and expression for the distance of Saturn from the Sun.

    asked by Tammy on September 8, 2010
  74. aSTRONOMY

    If one of your ellipss were a planet's orbit, where would the sun be on the page? his was a MiniLab to show planets orbit in the Sun in ellipses.

    asked by joe on April 10, 2009
  75. Chemistry

    the distance from the sun to earth is 1.496 x10 ^8 km. how long does it take light to travel from the sun to earth How do you solve this?

    asked by Mark on October 25, 2015
  76. Math Work

    Can someone please help me with this? Thanks! :) Directions: Use the Product-to-Sun formulas to write the product as a sun or difference. 4cos pi/3 sin 5pi/6

    asked by Abby on February 3, 2015
  77. Physics

    A planet has a period of revolution about the Sun equal to T and a mean distance from the Sun equal to R. T^2 varies directly as __________. R R^2 R^3 R^4 R^5

    asked by Alvarez on November 1, 2017
  78. Science

    If the sun is in the center of the constellation Sagittarius on January 10, what time would the sun rise and what time would it set? Need an answer!!!!!

    asked by Jenny on March 26, 2010
  79. Astronomy

    Where do you have to be on the Earth to see the Sun at your zenith? If you stay at one such location for a full year, on how many days will the Sun pass through the zenith?

    asked by Heather on February 2, 2011
  80. Health

    Can you help me with this question? The determinant of total energy requirement that may most appropriately be manipulated in a weight loss program is: 1. basal matabolic rate 2. physical activity 3. dietary thermogenesis 4. body temperature Would the

    asked by Lana on April 19, 2007
  81. Pre-Calculus

    Venus orbits the sun in an approximately circular path. Venus is about 67 million miles from the sun. A comet is located 80 million miles north and 73 million miles west of the sun. The comet follows a straight-line path and exits Venus's orbit at the east

    asked by Anonymous on October 4, 2015
  82. heeeeeeeeeeeelp physics vrey tough

    Estimate the time difference between the longest day and the shortest day of a year in seconds if you lived on the Earth's equator with the assumptions below. Note: this is not the difference between solstices as we are adjusting the earth's rotation axis

    asked by clavin on June 4, 2013
  83. Phyics Toughest question on earth

    Estimate the time difference between the longest day and the shortest day of a year in seconds if you lived on the Earth's equator with the assumptions below. Note: this is not the difference between solstices as we are adjusting the earth's rotation axis

    asked by Mathslover on June 4, 2013
  84. health

    hat is physical stress? A. A physical reaction of the body to various triggers B. A physical reaction of the mind to various triggers C. A physical reaction of the soul to various triggers D. A physical reaction to the heart to various triggers i think its

    asked by noah on February 7, 2013
  85. College Math

    A card is selected from a standard deck of 52 playing cards. A standard deck of cards has 12 face cards and four Aces (Aces are not face cards). Find the probability of selecting · an even number ten or less given the card is a not a heart. · a five

    asked by Heather on September 9, 2011
  86. Science, need help please!!

    Please help me with this science, thank you!! The sun is a mid-sized, main sequence star. What stage is next in the life cycle of the sun? A red giant B blackhole C white dwarf D neutron star ------------------------ Astronomers study many different kinds

    asked by Anonymous_potato on October 26, 2017
  87. 4th grade

    Billowy clouds of dirt (was,were) everywhere. Which is the correct verb?

    asked by PJ on February 7, 2010
  88. science HELP

    What role does pressure play in the formation of the clouds?

    asked by Anonymous on November 1, 2013
  89. Science

    under which conditions are clouds formed from ice crystals?

    asked by Kaitlyn on April 12, 2019
  90. science

    Why do clouds form behind the moving cold front?

    asked by dorothy morlan on October 28, 2012
  91. science

    is it possible to convert the clouds to rain with the help of powerful fans

    asked by bharat on August 21, 2011
  92. U.S history

    what are 3 things that were or could of been, seen as "clouds in the blue skies of prosperity"?

    asked by alexis on April 7, 2010
  93. Science

    What affect do clouds have on humans? I have a science project to do.

    asked by kool on January 27, 2010
  94. Emily dickson

    Three fact about her poet "The sky is low,the clouds are mean"

    asked by Dom on April 12, 2017
  95. math

    On average, the earth is 93 million miles away from the center of the sun. The complete revolution around the sun takes 1 year. how fast is the earth moving in this orbit in feet per second?

    asked by kay on August 20, 2017
  96. Astronomy

    You must show your work for full credit.) Calculate the circular speed of an object that orbits the Sun at a distance of 0.2 AU (1 AU = 1.5e+11 meters, the distance between the Earth and the Sun): (Points : 10)

    asked by April on July 10, 2014
  97. Physics

    The sun radiates energy at the rate of 6.5 x 10 to the power of 7 w/m squared.Assuming that the sun radiates as a black body(which approximate true), find its surface temperature.

    asked by Anonymous on December 3, 2013
  98. Geology

    The Sun Is 150 Million Kilometers From The Earth, And The Earth's Equatorial Radius Is 6378 Km. How Much Would You Expect The Sun's Intensity To Drop, Based Only On This Additional Distance?

    asked by Pete on December 16, 2014
  99. physical science

    The diameter of the sun makes an angle of .53 degrees from earth. How many minutes does it take for the sun to move one solar diameter in an overhead sky? ( Remember that it takes 24 hours or 1440 minutes for the sun to move through 360 degrees). How does

    asked by Jarrad Michael on June 27, 2005
  100. mit

    A spacecraft of mass m is first brought into an orbit around the earth. The earth (together with the spacecraft) orbits the sun in a near circular orbit with radius R (R is the mean distance between the earth and the sun; it is about 150 million km). (a)

    asked by jp on November 20, 2013