1. Physics

    Suppose when we look in one half of the sky, the CMBR appears to be at a temperature of 2.72K. What is the peak wavelength in that direction? Are we moving toward or away from the region of space? What is our velocity with respect to the CMBR?

    asked by Leila on April 23, 2012
  2. Physics

    Suppose when we look in one half of the sky, the CMBR appears to be at a temperature of 2.72K. What is the peak wavelength in that direction? Are we moving toward or away from the region of space? What is our velocity with respect to the CMBR?

    asked by Leila on April 24, 2012
  3. Physics

    Suppose when we look in one half of the sky, the CMBR appears to be at a temperature of 2.72K. What is the peak wavelength in that direction? Are we moving toward or away from the region of space? What is our velocity with respect to the CMBR?

    asked by Leila on April 24, 2012
  4. Astronomy

    Suppose when we look in one half of the sky, the CMBR appears to be at a temperature of 2.72K. What is the peak wavelength in that direction? Are we moving toward or away from the region of space? What is our velocity with respect to the CMBR?

    asked by Leila on April 24, 2012
  5. science

    I have to find out some facts about the dwarf planet vulcan. I have tried wikipedia but it was no help. Can any one please give me some facts or websites that can. This may be what you need.

    asked by liza on February 9, 2007
  6. Physics

    Suppose when we look in one half of the sky, the CMBR appears to be at a temperature of 2.72K. What is the peak wavelength in that direction? Are we moving toward or away from the region of space? What is our velocity with respect to the CMBR?

    asked by Leila on April 23, 2012
  7. Physics

    Suppose when we look in one half of the sky, the CMBR appears to be at a temperature of 2.72K. What is the peak wavelength in that direction? Are we moving toward or away from the region of space? What is our velocity with respect to the CMBR?

    asked by Leila on April 23, 2012
  8. Physics

    Suppose when we look in one half of the sky, the CMBR appears to be at a temperature of 2.72K. What is the peak wavelength in that direction? Are we moving toward or away from the region of space? What is our velocity with respect to the CMBR?

    asked by Leila on April 24, 2012
  9. math

    true or false A one-story building, having dimensions of 80 ft. x 50 ft. x 20 ft. high, encloses a volume of 8000 cubic feet, and has a floor space of 400 square feet.

    asked by Blayke on February 10, 2010
  10. physics

    The space shuttle had a top orbital speed of 8000 m/s and orbited in a circular orbit approximately 320 km above the earth's surface. How long was one orbit in seconds?

    asked by Orbital speed on April 16, 2013
  11. Astronomy

    Suppose when we look in one half of the sky, the CMBR appears to be at a temperature of 2.72K. What is the peak wavelength in that direction? Are we moving toward or away from the region of space? What is our velocity with respect to the CMBR?

    asked by Leila on April 23, 2012
  12. guidance

    The basis of a good child-guidance system is the caregiver's A. knowledge of child development.B. choice of equipment.C. arrangement of space in the facility.D. schedule of activities.  A.

    asked by Amanda on October 22, 2014
  13. Algebra

    1.What is the simplified form of the following expression? 13[6^2€(5^2-4^2)+9] A.169 B.585*** C.181 D.26 2.What is the simplified form of the expression? 6xyz/2xz A.3 B.3y C.3xyz*** D.3x^2yz^2 3.In a football game. A running back ran for -7 and -5 on

    asked by GummyBear on August 31, 2015
  14. Math

    Binomial problems: Basic Anita's, a fast-food chain specializing in hot dogs and garlic fries, keeps track of the proportion of its customers who decide to eat in the restaurant (as opposed to ordering the food "to go"), so it can make decisions regarding

    asked by Armando on February 21, 2012
  15. Check my answers? (Chemistry)

    I only get one chance for each of these questions so I was wondering if someone could check my answers, thanks! 1. Consider the following reaction at equilibrium. 2 BrNO(g) ---> 2 NO(g) + Br2(g) Predict the effect of the following changes to the reaction

    asked by Rebekah on April 19, 2011
  16. calculus

    A recatangle has constant area of 200 square meters and its lenght L is increasing at the rate of 4 meters per second a) find the width W at the instant that the width is decreasing at the rate of .5 meters per second b) at what rate is the diagonal d of

    asked by Demetria on November 10, 2011
  17. Music

    How are the sounds turned into notes? A) By increasing the amount of air blown into the blow hole B) By decreasing the amount of air blown into the blow hole C) By changing the position of the mouth on the blow hole. D)By pressing the keys My answer is D

    asked by Anonymous on December 23, 2012
  18. Physics

    In order to qualify for the finals in a racing event, a race car must achieve an average speed of 230 km/h on a track with a total length of 1810 m. If a particular car covers the first half of the track at an average speed of 245 km/h, what minimum

    asked by Latoya on September 22, 2014
  19. physics

    In order to qualify for the finals in a racing event, a race car must achieve an average speed of 276km/h on a track with a total length of 1520m. If a particular car covers the first half of the track at an average speed of 246km/h, what minimum average

    asked by alex on September 22, 2014
  20. Music

    I need to know about Columbia in America. Like the D.C.'s and how the space shuttle Columbia got her name.

    asked by Cassidy on September 9, 2007
  21. science

    a body that revolves around another body in space. it has 9 letters

    asked by TAYLOR on June 22, 2011
  22. space

    what are the international aspects of the international space station

    asked by glen on August 15, 2010
  23. Math

    A square is 10.5 sq ft by 10.5 sq. ft. The tiles used are 1 sq. ft. How many tiles will be used to fill the space?

    asked by Kel on September 9, 2011
  24. Physics

    When you drive down the highway, you are moving through space. What else are you moving through?

    asked by Tiffany on April 30, 2008
  25. Economics

    Are these examples of elastic/inelastic supply products correct? Plane tickets: A plane ticket is an example of inelastic supply. If the price of a ticket changes, the airline cannot quickly increase the supply of seats. It takes a long time to make more

    asked by David on March 1, 2011
  26. Writing

    oh noo i dont want to write book so maybe this: how is racism interconnected with culture and what role does social structure play in racism and is it socially constructed if so why and how and to what capacity is power involved in racism maybe this if so

    asked by Alie on December 22, 2016
  27. Biology

    What cell structure/organelle would be especially common in i)cells lining the respiratory passages? ii)white blood cells that engulf and detroy invading bacteria iii)enzyme (protein) secreting cells of the pancreas

    asked by Dan on January 4, 2009
  28. Chemistry

    I was wondering if any one knew a website with a picture of the molecular structure of Naptha- thanks! Naptha is not a pure compound, but consists of a mixture of a variety of hydrocarbons. There are several types of naptha. For more about it, see

    asked by Jessica10 on March 20, 2007
  29. Chemistry

    The pH of healthy lakes is around 6.0. Due to acid rain, the pH of our lakes & rivers is decreasing. At low pH levels, producers such as phytoplankton cannot thrive. Decreased plankton can cause consumer populations to crash. The end result is a lake

    asked by Lucy on December 16, 2007
  30. chemistry

    The decomposition of hydrogen peroxide in solution and in the presence of iodide ion was studied in laboratory, and the following mechanism proposed based on the experimental data. H2O2 + I - = H2O + IO - (slow) H2O2 + IO - = H2O + O2 + I - (fast) Which

    asked by bob on February 25, 2012
  31. chemistry

    The decomposition of hydrogen peroxide in solution and in the presence of iodide ion was studied in laboratory, and the following mechanism proposed based on the experimental data. H2O2 + I - = H2O + IO - (slow) H2O2 + IO - = H2O + O2 + I - (fast) Which

    asked by bob on February 25, 2012
  32. physics

    A weight is hung by a cord from the ceiling of an elevator. From the following conditions, choose the one in which the tension of the cord would be the greatest...least?(draw force diagrams) a) elevator descending at a decreasing spped b)elevator at rest

    asked by Jamie Lynn on December 17, 2008
  33. Homeowork

    I basically just have trouble staying focused and doing my homework, and often get discouraged when it looks long- how can I keep myself on track, because hw is my biggest issue? Go here , with your mom. http://www.pinkmonkey.com/electricdesk/elec-desk.asp

    asked by Travis on May 2, 2007
  34. Constructed Responce Help

    Hi can you see if this constructed responce makes sense, or if I need to clean it up or add anything to it. thanks! I needed to compare and contrast the two versions of "the great chicago fire" and also tell how the format of each passage allow the author

    asked by Lia on March 17, 2015
  35. chemistry

    Free radicals are also important in many environmentally significant reactions. For example, photochemical smog, which forms as a result of the action of sunlight on air pollutants, is formed in part by the following two steps. X NO2 NO  O O  O2 O3 UV

    asked by Kat on March 20, 2011
  36. Calculus

    The median value of a home in a particular market is decreasing exponentially. If the value of a home was initially $240,000, then its value two years later is $235,000. a) Write a differential equation that models this situation. Let V represent the value

    asked by Jamie on June 17, 2014
  37. calculus

    The voltage V (volts), current I (amperes), and resistence R (ohms) of an electric circuit are related by the equation V=IR. Suppose that V is increasing at a rate of 3 volt/sec while I is decreasing at a rate of 1/8 amp/sec. Let t denote time in seconds.

    asked by Avi on September 27, 2012
  38. Physics

    a space-satellite mass of 600kg fires a rocket engine for 2 seconds expelling 40kg of exhaust gases at 350m/s. By how much will the speed of the capsule change? You may consider the initial relative velocities to be zero, but would it matter?

    asked by Sarah on April 27, 2012
  39. science

    how are plants and windmills alike They both depend upon air? They both lift water from the ground. can u help me get an answer for this cause i have to write a 2 page easy on this and i don't know were to get the info''How do weather conditions affect

    asked by Patty on September 19, 2006
  40. geometry

    Eddie is arguing with tana about the probability of flipping three coins. They decided to flip a penny, nickel, and a dime. Which would be better determining the sample space, a tree diagram or an area model? Justify your answer.

    asked by lily on November 8, 2014
  41. physics

    A capacitor,consisting of two metal plates each of area 50cm2 and space 0.2mm apart in air ,is connected across a 120V supply.Calculate (1)the energy stored..(2)the electric flux density and the potential gradient..

    asked by jonathan on February 13, 2016
  42. physics help

    At a certain location, the solar power per unit area reaching the Earth's surface is 180 W/m2 averaged over a 24-hour day. Suppose you live in a solar powered house whose average power requirement is 3.2 kW. At what rate must solar energy reach your solar

    asked by sarah on March 28, 2011
  43. physics

    At a certain location, the solar power per unit area reaching the Earth's surface is 180 W/m2 averaged over a 24-hour day. Suppose you live in a solar powered house whose average power requirement is 3.2 kW. At what rate must solar energy reach your solar

    asked by sarah on March 27, 2011
  44. Social Studies

    At home on the hills of Vermont or in the woods of Maine, or the Texan ranch, comrade of Californians, comrade of free North-Westerners. . . . of every hue and caste am I, of every rank and religion. --Walt Whitman, Song of Myself Why did Whitman compose

    asked by Answer on April 4, 2017
  45. World history; Check:P Added sentences.

    Write a one paragraph essay on how developments in technology influenced the rise and decline of the Assyrian Empire. The Assyrians were the first to use iron in their weapon works. They used it in spears, swords, shields and armor. They had the most

    asked by Unknown on March 1, 2013
  46. Physics

    Sewage at a certain pumping station is raised vertically by 5.57 m at the rate of 1 860 000 liters each day. The sewage, of density 1 050 kg/m3, enters and leaves the pump at atmospheric pressure and through pipes of equal diameter. (a) Find the output

    asked by Michelle on March 16, 2013
  47. physics

    Sewage at a certain pumping station is raised vertically by 5.27 m at the rate of 1 930 000 liters each day. The sewage, of density 1 050 kg/m3, enters and leaves the pump at atmospheric pressure and through pipes of equal diameter. (a) Find the output

    asked by Anonymous on March 8, 2012
  48. chemistry

    The decomposition of hydrogen peroxide in solution and in the presence of iodide ion was studied in laboratory, and the following mechanism proposed based on the experimental data. H2O2 + I - = H2O + IO - (slow) H2O2 + IO - = H2O + O2 + I - (fast) Which

    asked by john117 on February 27, 2012
  49. why will no one answer? chem

    The decomposition of hydrogen peroxide in solution and in the presence of iodide ion was studied in laboratory, and the following mechanism proposed based on the experimental data. H2O2 + I - = H2O + IO - (slow) H2O2 + IO - = H2O + O2 + I - (fast) Which

    asked by john117 on February 27, 2012
  50. CHemistry Dr. Bob please?

    for bond energies if tehy give u a diagram of the structure for whatever like c--h--o==h or soemthing amd a chart with c--h=-670 Kj /mol or whatever do u just add all of the KJ/mol together? but what if they only want kJ? would you just multply whatever

    asked by Robin on November 11, 2008
  51. english 11

    In which sentence is the underlined phrase a prepositional phrase functioning as an adjective? My sister was born in Chicago. She went to boarding school in Coventry. My sister moved away in 2009. Her grades gave my sister a place in the top rank of her

    asked by lacey on January 7, 2014
  52. english 11

    In which sentence is the underlined phrase a prepositional phrase functioning as an adjective? My sister was born in Chicago. She went to boarding school in Coventry. My sister moved away in 2009. Her grades gave my sister a place in the top rank of her

    asked by lacey on January 7, 2014
  53. phisycal sciences

    Dalton's experiments advanced our understanding of the atom without A. carefully observing and measuring events. B. discovering the internal structure of the atom. C. examining the ratios of elements involved in chemical reactions. D. testing a hypothesis.

    asked by lalt on April 30, 2012
  54. HSM/220

    detailing how a human service organization focused on providing job skills to high school dropouts would address the following: • Statement of opportunity • Impact of organizational structure • Community and environmental factors • Human resources

    asked by Terrie on November 8, 2010
  55. statistics

    a social worker is involved in a study about family structure. She obtains information regarding the number of children per family for a certain community from the census data. Identify the random variable of interest, determine whether it is discrete or

    asked by Anonymous on November 2, 2016
  56. HSM/220

    detailing how a human service organization focused on providing job skills to high school dropouts would address the following: • Statement of opportunity • Impact of organizational structure • Community and environmental factors • Human resources

    asked by lettie on July 13, 2010
  57. English-Grammar check

    Can someone tell me if these 2 sentences are the correct use of a semi colon: Another example of prejudice displaying in Maycomb county is against Arthur Radly, the local everyone is afraid of; he is considered the town freak. One more example of prejudice

    asked by Mike on April 6, 2009
  58. chem

    Potassium chloride crystallizes with the rock salt structure. When bathed in X-rays, the layers of atoms corresponding to the surfaces of the unit cell produce a diffracted beam of X-rays (¥ë=154 pm) at an angle of 6.97¨¬. From this, the density can be

    asked by meherpreet on February 19, 2010
  59. physics

    Three identical thin rods, each of length L and mass m, are welded perpendicular to one another as shown below. The assembly is rotated about an axis that passes through the end of one rod and is parallel to another. Determine the moment of inertia of this

    asked by sara on November 7, 2008
  60. english

    Could you let me know if these are correct? Write 5 sentences in which you address changes in your writing: 1) Working with a friend has made my sentence structure better. 2) I now recognize run-one sentences,and try not to use them. 3)I still get confused

    asked by glenna on June 29, 2011
  61. Physics

    A typical coal-fired power plant burns 310 metric tons of coal every hour to generate 790 MW of electricity. 1 metric ton= 1000 kg. The density of coal is 1500 {\rm kg}/{\rm m}^{3} and its heat of combustion is 28 \;\rm MJ/kg. Assume that all heat is

    asked by Jennifer on November 17, 2010
  62. science

    1. Which of the inner planets has an internal structure similar to Earth's and has the hottest surface of any planet in our solar system? 2. Which of the following statements about similarities among the inner planets is true? 3. How did planetesimals form

    asked by student on November 5, 2018
  63. General Chemistry

    PLEASE ANSWER VERY SOON I AM STUCK! Crystalline silicon has a cubic structure. The unit cell edge length is 543 pm. The density of the solid is 2.33 g/cm3. Calculate the number of Si atoms in one unit cell.

    asked by Kendra on July 14, 2010
  64. chemistry

    Construct the correct structure for AsClF42-. You can begin by selecting an option from the menu on the right, then by filling in atoms and electron pairs (ep, if any) into the appropriate locations. Please construct the molecule such that the dipole is

    asked by adex on March 12, 2013
  65. Biology (AP)

    part of the Essay question off of 2003 exam: Describe how the properties of water contribute to the plasma membrane structure I would love any help I can get. thnx! if the membrane lets the water through then it is called osmosis

    asked by Shannon on September 19, 2006
  66. Science

    Which structure is less likely to suffer severe damage uring an earthquake: a high-rise, steel-frame hotel built on sediments, or a wood-frame house built on bedrock? Explain.

    asked by Angie on March 20, 2009
  67. writing

    Hi my writing isn't very good Is there a site with exercises so i can improve my writing skills. Like short stuff. I only have 3 weeks till the next term and i don't know how to structure an essay is there a site with some info ? thanks again, Jim

    asked by Jim_R on August 14, 2009
  68. Language Arts -- Compare & Contrast Essay

    Hi I'm back. I don't really known how to structure the introduction and the conclusion of a compare & contrast essay. I know you have to state the thesis twice, but what form are you supposed to generally follow when writing the intro and conclusion of

    asked by Anonymous on November 8, 2017
  69. AP Chemistry

    The Lewis structure of PF3 shows that the central phosphorus atom has __________ nonbonding and __________ bonding electron pairs. Is the answer 1, 3 Is it 1 because it asked for PAIRS- so there are two electrons not bonded- so one pair?

    asked by Anon on January 13, 2013
  70. physics

    A spherical balloon has a radius of 6.76 m and is filled with helium. How large a cargo can it lift, assuming that the skin and structure of the balloon have a mass of 950 kg? Neglect the buoyant force on the cargo volume itself.

    asked by Anonymous on April 18, 2010
  71. chemistry

    Rubidium crystalizes in the body centred cubic structure with an edge length of 560.5 pm.. a. calculate the radius (in pm) to 4 sig figures. b. calculate the density to 4 sig.fgures. thnks guys..

    asked by amanda on December 5, 2011
  72. Math

    The cost of an order of 10 computer disks and 3 packages of paper was $27. The next order was for 30 disks and 5 packages, and the cost was $65. Find the cost of a single disk and a single package of paper.

    asked by Evy on November 2, 2013
  73. history

    Reconstruction was a more bitter expirence for the south than the Civil War itself. Which of the following historical developments best supports the authors point of view? 1)war-crime trials were held for Confederate leaders. 2)The southern "black codes"

    asked by kayci on June 4, 2010
  74. PChem

    For the gas phase reaction 2NO2 + F2 ¨ 2NO2F, the rate constant is k= 38 dm3/mol-s at 27 oC. The reaction is first-order in NO2 and first-order in F2. A) Calculate the number of moles of NO2, F2, and NO2F after 10.0 s if 2.00 mol of NO2 is mixed with

    asked by Debora on December 9, 2014
  75. Physics

    Would someone check this please? A circular loop of wire of radius 0.10 m and of resistance 2.0 x 10^−3 ohms is in a region where there is a uniform magnetic field B. The field is at 30deg to the normal to the plane of the wire loop as shown in Figure 3.

    asked by charlie on June 20, 2009
  76. Physics

    Would someone check this please? A circular loop of wire of radius 0.10 m and of resistance 2.0 x 10^−3 ohms is in a region where there is a uniform magnetic field B. The field is at 30deg to the normal to the plane of the wire loop as shown in Figure 3.

    asked by charlie on June 19, 2009
  77. The difference between Ball Mill and Raymond Mill

    Ball Mill materials is being broken, further crush the key equipment. Mill widely used in cement, Portland products, new building materials, refractories, fertilizers, as well as black and non-ferrous metal processing industries such as the production of

    asked by jiandan on August 10, 2012
  78. Physics (PLEASE HELP)

    Two slits are 0.144 mm apart. A mixture of red light (wavelength = 665 nm) and yellow-green light (wavelength = 565 nm) falls on the slits. A flat observation screen is located 2.11 m away. What is the distance on the screen between the third-order red

    asked by DCM on March 14, 2012
  79. Physics

    Two slits are 0.144 mm apart. A mixture of red light (wavelength = 665 nm) and yellow-green light (wavelength = 565 nm) falls on the slits. A flat observation screen is located 2.11 m away. What is the distance on the screen between the third-order red

    asked by DCM on March 14, 2012
  80. micro econ

    The equimarginal rule __________. equates the marginal utility per dollar spent on each good purchased states that in order to maximize utility the consumer should buy more of those goods with a high marginal utility states that in order to maximize

    asked by Angela on July 25, 2018
  81. ecoc

    i can not figure this out the economist for the grand corporation has estimated the company's cost function, using time series data, to be TC=50+16Q-2Q2+0.2Q3 a.plot this curve for quantites 1 to 10 b.calculate the average total cost,average variable cost,

    asked by kisha on August 6, 2007
  82. spanish

    Hello, I am in spanish 2, and we are studing indirect/direct object pronouns and preterite tense. We were supposed to write a paragraph on what we did this weekend. I was wondering if someone could look over my paragraph and see if there are any errors.

    asked by Angie on September 18, 2010
  83. chemistry

    I have to draw Lewis structures for hydrogen cyanide and cyanogen with nitrogen valency of three. Would I still need 2 dots after the N in hydrogen cyanide or would this represent nitrogen with a valency of 5? Yes. THose two "dots" are unshared electrons.

    asked by Hol on March 9, 2007
  84. Biology

    How the DNA structure forms the genetic code, and how that genetic code comes to be expressed as a phenotype.

    asked by Please help on November 1, 2018
  85. English

    true or false: Shakespeare followed the Elizabethan structure of a four act play. A) True B) False***

    asked by Kaai97 on March 10, 2016
  86. World History

    Which seminal document influenced James Madison’s writing of the United States Constitution? Madison was influenced by John Stuart Mill’s On Liberty, which defends individual freedom and an open society. Madison was influenced by Edmund Burke’s

    asked by DeafeninGaming on December 2, 2017
  87. physics

    When the wind is blowing an average of 31.8 mph, a wind tower with its propellors centered at a height of 80 m off the ground is supplied with energy at a rate of 14.4 kW. A large bank of batteries collects the energy from the wind tower. If the efficiency

    asked by Brittany on November 29, 2016
  88. ap chemistry

    there's a few questions I have...actually it's a bit more than a few... 1. Identify the carbon atom(s) in the structure shown that has (have) each of the following hybridizations: a. sp3, b. sp, c. sp2 N*triplebond*C-CH2-CH=CH-CHOH | CH=O | H 2. Draw all

    asked by Bri on August 11, 2008
  89. Heath help Plz--5 questions

    1. A percentile rank represents the percentage of people who scored at or below the test score. True** False 2. People who have high resting heart rates usually have high levels of cardiovascular fitness. True ** False 3. Resting heart rate is usually

    asked by Anonymous on September 29, 2014
  90. Health Help?

    1. A percentile rank represents the percentage of people who scored at or below the test score. True False 2. People who have high resting heart rates usually have high levels of cardiovascular fitness. True False 3. Resting heart rate is usually measured

    asked by Anonymous on September 28, 2014
  91. Health--check my answers

    1. A percentile rank represents the percentage of people who scored at or below the test score. True False 2. People who have high resting heart rates usually have high levels of cardiovascular fitness. True False 3. Resting heart rate is usually measured

    asked by Anonymous on October 2, 2014
  92. Chemistry

    sulfuric acid can be prepared by a multistep process summarized as: 2 SO2 + O2 + 2 H2O--> 2 H2SO4 What mass of sulfuric acid could be produced daily by a process using 38 kg per day of sulfuric dioxide with a 70% conversion efficiency ("yield"), assuming

    asked by Anonymous on February 24, 2017
  93. Physics

    Update: Planets are not uniform inside. Normally, they are densest at the center and have decreasing density outward toward the surface. Model a spherically symmetric planet, with the same radius as the earth, as having a density that decreases linearly

    asked by Katie on May 1, 2015
  94. Civics

    1. "We, the people of the State of Florida, being grateful to Almighty God for our constitutional liberty, in order to secure its benefits, perfect out government, ensure domestic tranquillity, maintain public order, and guarantee equal civil and political

    asked by Baxie on November 12, 2014
  95. DeskToping

    If you press the ______ key , you will jump to the previous screen. A. Page Down B. Page Up C. Home D. End I got C. You should _______ insert a blank space before the percent symbol. A. always B. not C. occasionally D. NONE OF THE ABOVE I got B.

    asked by Sarah on June 11, 2012
  96. Physics

    A rocket is launched vertically such that its acceleration upward is 4.7g. If it can maintain that acceleration, how much time (in minutes) would it take to reach the orbit of the International Space Station 310km above Earth’s surface?

    asked by catie on September 23, 2018
  97. Physics

    The mass of the Earth=Mg=5.97x10^24 kg. The radius of the Earth=RE= 6.38 x10^6 m. A) What is the weight of the 75 kg person? B) Determine the acceleration due to gravity aboard a space shuttle at an altitude of 400km.

    asked by Jason on September 22, 2014
  98. math

    A single card is selected from an ordinary deck of cards. The sample space is shown in the figure below. Find the probabilities. (Enter the probabilities as fractions.) (a) P(two of diamonds) 1 (b) P(two) 2 (c) P(diamond) 3

    asked by Jean Claude on June 7, 2013
  99. early childhood development

    the basis of a good child guidance system is the caregiver's (a)arrangement of space in the facility (b)kknowledge of child development (c)choice of equipment (d)schedule of activities i put b

    asked by Tamika on June 27, 2011
  100. Geography

    I have to choose a european landscape and, with the support of a photograph/picture, comment on it and mention the different aspects of the landscape and its characterisctics of Europe as well as how the space is used by the people. I am not sure what to

    asked by Anonymous on January 5, 2010