1. Astronomy - help!

    The earliest fossil records indicate that life appeared on Earth about a billion years after the formation of the solar system. What is the most mass that a star could have in order that its life-time on the main-sequence is long enough to permit life to

    asked by anonymous on October 29, 2008
  2. English 12

    how could i make these two sentences better. In the south pacific mountaintops there is vast number of forests. Hunters from this mountaintop civilization find it extremely difficult to hunt with the burden of the forests.

    asked by Pria on February 8, 2012
  3. History

    Explain how attacks by abolitionists strengthened sectionalism in the south. Provide Support. All I need is the main idea. If you could just provide a sentence or two about this, or just help me find what I'm looking for by linking an article or something,

    asked by ? on February 9, 2016
  4. Social Studies

    Which statement best describes how slavery was presented in Uncle Tom's Cabin? a. slavery was presented as a political problem for Congress to solve b. slavery was presented as an economical requirement for the South c. slavery was presented as a moral

    asked by Kato on January 13, 2017
  5. social studies

    Study the chart. *Large and Complex Empires* | *Blending of Cultures* Big cities filled with riches | Destroyed cities; the construction of Mexico City Populations of many millions of people | Millions of deaths due to disease Traditional religions | The

    asked by TheMainKain on March 21, 2019
  6. As Physics

    Please help and do it step by step all parts of questions and use: T = time(s) I=current (amps) Q=net charge on object (Coulombs) N=no electrons (and write if added or removed from object and how) E=elementary charge Two copper wires of diameter 1 mm and 2

    asked by cylinder on January 4, 2018
  7. physics

    If you weigh 650 N on the earth, what would be your weight on the surface of a neutron star that has the same mass as our sun and a diameter of 15.0 km ? Take the mass of the sun to be ms = 1.99×10^30 kg, the gravitational constant to be G =

    asked by Kristina on March 29, 2012
  8. physic

    Consider the earth following its nearly circular orbit (dashed curve) about the sun.(Figure 2) The earth has mass mearth=5.98×1024kg and the sun has mass msun=1.99×1030kg. They are separated, center to center, by r=93millionmiles=150millionkm.

    asked by mert on July 11, 2013
  9. Physics

    The acceleration due to gravity on the moon is about one-sixth its value on earth. If a baseball reaches a height of 64 m when thrown upward by someone on the earth, what height would it reach when thrown in the same way on the surface of the moon? Answer

    asked by Sally H on July 2, 2014
  10. Earth Science

    Why is it generally warmer in a rural area than in an urban area? I have a question: How does the earth's surface heat up or cool down? My answer: the sun heats up the earth darker surfaces are warmer than cooler surfaces. Please help.

    asked by Lori on December 19, 2007
  11. Science

    How sediments,fossil, and ice core record Earth's geologic history? It record Earth's geologic history by giving scientist an idea of when certain climates or events happen.(Is this a good answer?) Thanks

    asked by Shadow on October 6, 2010
  12. physics

    Consider the earth following its nearly circular orbit (dashed curve) about the sun.(Figure 2) The earth has mass mearth=5.98×1024kg and the sun has mass msun=1.99×1030kg. They are separated, center to center, by r=93millionmiles=150millionkm.

    asked by Anonymous on November 27, 2013
  13. Physics

    the temperature at the surface of the sun is approximatly at 5700K and the temperature at the surface of the earth is approxiamtly 290 K. what entropy change occurs when 1100 J of energy is transfered by radiation from the sun to the earth?

    asked by jenn on February 2, 2010
  14. earth

    The quantity of radiation received by earth from the sun is 1.4 kW / m2. Assuming that sun is an ideal radiator, calculate the surface temperature of the sun. The ratio of the radius of earth's orbit to the radius of the sun is 216.

    asked by kamal on June 27, 2012
  15. Physics

    A 8.6-kg rock and a 5.9 × 10-4-kg pebble are held near the surface of the earth. (a) Determine the magnitude of the gravitational force exerted on each by the earth. (b) Calculate the magnitude of the acceleration of each object when released. For b),

    asked by A.S on February 6, 2018
  16. physics

    A. how long will it take for a 55.0 kg steel brick to fall 75 meters on earth. A. how far from the base will a 55.o kg steel brick to land,(horizontally) if it dropped a vertical distance of 75 meters on earth, and what is its velocity just before it hits

    asked by grace on December 15, 2016
  17. Physics

    The surface of the Sun is approximately 5,650 K, and the temperature of the Earth's surface is approximately 295 K. What entropy change occurs when 6,000 J of energy is transferred by heat from the Sun to the Earth? ______J/K

    asked by Sally on November 26, 2012
  18. PHYSICS

    This is the exact problem from the paper and I got an answer of 4.2 * 10^7 and I was wondering if this was the right answer. What is the height above the earth's surface at which all synchronous satellites (regardless of mass) must be placed in orbit? The

    asked by NIQUEFROMDALLAS on October 26, 2008
  19. Physics

    The acceleration due to gravity on the moon is about one sixth its value on earth. If a baseball reaches a height of 62 m when thrown upward by someone on the earth, what height would it reach when thrown in the same way on the surface of the moon? Answer

    asked by Joe on September 17, 2011
  20. physics

    The acceleration due to gravity on the moon is about one-sixth its value on earth. If a baseball reaches a height of 78 m when thrown upward by someone on the earth, what height would it reach when thrown in the same way on the surface of the moon? Answer

    asked by isaiah on September 20, 2014
  21. physics

    A copper wire that has a diameter of 2.9 mm carries a current of 39.0 A. Assuming that each copper atom contributes one free electron to the metal, find the drift velocity of the electrons in the wire. The molar mass of copper is 63.5 g/mol and the density

    asked by Joe on July 6, 2016
  22. US History

    ALL of the following statements are correct about the slave trade EXCEPT: a. It began with the Portuguese exploration of West Africa from Senegal to Angola in the fifteenth century b. It increased when the Portuguese built several fortified outposts along

    asked by Anonymous on November 17, 2016
  23. Calculus

    1.At noon of a certain day,ship A is ^0 km due north of ship B. If A sails east at 12 km/hr and B sails north 9 km/hr,determine how rapidly the distance between them is changing 2 hrs later. Is it increasing or decreasing? 2.At a given instant the legs of

    asked by 123 on August 31, 2014
  24. astronomy

    1. The radius of the Sun is 7 X 10^5 kilometers. Use powers of ten to show that the Sun's radius is about 100 times the Earth's radius. 2. Given that an astronomical unit is 1.5 X 10^8 kilometers and a light-year is about 10^13 kilometers, how many AU are

    asked by John on April 3, 2007
  25. history

    Which most accurately reflects the development of agriculture in early African civilizations?  the walls of the jabrin castle were erected in oman to protect valuable crops the kingdom of Ghana exchanged surplus crops and gold for textiles and salt

    asked by Kira on September 29, 2017
  26. SCIENCE

    Suppose an astronomer oberserves a huge solar flare. Predict its effect on Earth in the next day or so. I put it would break satellites and powercuts would happen. But would a huge solar flare kill all people on Earth? Im not sure

    asked by Mika on November 21, 2011
  27. physics

    A 4.92E+2 kg hot-air balloon takes off from rest at the surface of the earth. The nonconservative wind and lift forces take the balloon up, doing +9.81E+4 J of work on the balloon in the process. At what height above the surface of the earth does the

    asked by Fallon on May 9, 2010
  28. physics

    A 470-kg satellite experiences a gravitational force of 850 N. Use M_{Earth} = 5.972 x 10^{24} kilograms and r_{Earth} = 6370 kilometers What is the radius of the satellite�s orbit? r_{orbit} = _____________kilometers What is its altitude? altitude =

    asked by Melissa on March 3, 2014
  29. Physics

    Runner A is initially 2.4 km west of a flagpole and is running with a constant velocity of 8.4 km/h due east. Runner B is initially 2.2 km east of the flagpole and is running with a constant velocity of 7.4 km/h due west. What will be the distance of the

    asked by Fiona on September 14, 2012
  30. Physics

    Runner A is initially 2.4 km west of a flagpole and is running with a constant velocity of 8.4 km/h due east. Runner B is initially 2.2 km east of the flagpole and is running with a constant velocity of 7.4 km/h due west. What will be the distance of the

    asked by Fiona on September 14, 2012
  31. Chemistry

    Can somebody check my answers 1. If a small piece of sodium is dropped into water, it begins to react, forming hydrogen gas and sodium hydroxide. In the equation, 2Na (s) + 2H2O (l) → 2NaOH (aq) + H2 (g), the sodium hydroxide that is formed is a A.

    asked by Amanda on August 26, 2011
  32. Math

    The surface area of a sphere is given by the formula 4pi r2, where is it's radius. Although the shape of earth is noth exactly spherical, it has an average radius of 3960 miles. Estimate the surface area of earth.

    asked by Tweets on August 23, 2011
  33. physics

    The acceleration due to gravity on planet X is one fifth that on the surface of the earth. If it takes 3.5 s for an object to fall a certain distance from rest on earth, how long would it take to fall the same distance on planet X? Answer in units of s.

    asked by Anonymous on September 20, 2010
  34. earth

    The acceleration due to gravity on planet X is one fifth that on the surface of the earth. If it takes 4.6 s for an object to fall a certain distance from rest on earth, how long would it take to fall the same distance on planet X? Answer in units of s

    asked by Anonymous on September 26, 2011
  35. Physics

    An astronaut wearing a spacesuit can jump 0.5 m vertically at the surface of the earth. The gravitational acceleration on Mars is 0.4 times that on the earth. If her takeoff velocity is the same, how high can the astronaut jump on Mars?

    asked by Mathusha on July 6, 2016
  36. Physics

    The surface of the Sun is approximately 5,650 K, and the temperature of the Earth's surface is approximately 295 K. What entropy change occurs when 6,000 J of energy is transferred by heat from the Sun to the Earth? (J/K)

    asked by Sam on November 26, 2012
  37. physics

    a satelitte is in orbit about the earth. its orbital radius 7.47x10^7. mass of satelitte 6862kg & mass of earth 5.97x10^24kg determine the orbital speed in mi/s 1mi/s=1609m/s

    asked by taylur on February 15, 2012
  38. Physics

    If a projectile is launched from Earth with a speed equal to the escape speed, how high above the Earth's surface is it when its speed is three-fifths the escape speed? I keep getting the answer 2.56x10^6 m after solving it a few different ways. Help would

    asked by Kristin on April 28, 2012
  39. phys sci

    the space shuttle orbits at an altitude of approximately 200 km above the surface of the earth. If the radius of the earth itself is 6380km, what is the acceleration due to gravity at the altitude ofthe space shuttle?

    asked by king on July 19, 2011
  40. physics

    The acceleration due to gravity on planet X is one fifth that on the surface of the earth. If it takes 4.6 s for an object to fall a certain distance from rest on earth, how long would it take to fall the same distance on planet X? Answer in units of s

    asked by Anonymous on September 26, 2011
  41. Physics

    The weight of an object on Earth is 350 newtons. On Mars, the same object would weigh 134 newtons. What is the acceleration due to gravity on the surface of Mars, given that it is 9.8 meters/second2 on Earth?

    asked by Plato on December 16, 2012
  42. Physics

    The location of a car at times t1 and t2 is given by the position vectors r1= 15km due east + 20km due north (time t1) and r2= 13km due west + 25km due north (time t2) The units of distance are kilometers a. What is the magnitude l^rl of the displacement?

    asked by Johana on October 3, 2011
  43. science

    The atmosphere is composed of a mixture of _______________, _____________ ____________, and tiny___________________. Thank you for using the Jiskha Homework Help Forum. The origin of our atmosphere is still open to a great deal of speculation. One theory

    asked by Happy on March 12, 2007
  44. Chemistry

    Chromium is electroplated from an aqueous solution containing H2SO4 and H2CrO4. What current is required to deposit chromium at rate of 1.25g/min. 1.25g x 1mol/51.9961 = .0240mol Now I just don't know how to figure out the number of electrons to do the

    asked by Jennifer on April 1, 2007
  45. science

    Darren the astronaut traveled to Planet U-427, a planet that is as big as Earth but is half the mass of Earth. What can you say about Darren's weight in this planet?

    asked by ej on June 17, 2015
  46. science

    Darren the astronaut traveled to Planet U-427, a planet that is as big as Earth but is half the mass of Earth. What can you say about Darren's weight in this planet?

    asked by ej on June 17, 2015
  47. Science

    Darren the astronaut traveled to Planet U-427, a planet that is as big as Earth but is half the mass of Earth. What can you say about Darren's weight in this planet?

    asked by Lorante on June 21, 2017
  48. Phyics

    The average distance between Earth and the sun is 1.50e8 km. Calculate the average speed, in km/h, of Earth assuming a circular path about the sun. Use the equations v = 2r/T. Please ignore this question and view the question I have a few spaces above. The

    asked by Jayd on August 16, 2007
  49. Maths

    The earth is approximately a sphere of average diameter 12740km. The smallest of the planets is Mercury, also spherical, with average diameter 4840km. Determine what percentages (to the nearest hundredth) the volume and surface area of Mercury are of those

    asked by Jiskhaa on January 12, 2012
  50. Science

    Planets shine by reflected sunlight. How can planets be brighter than stars? Approxinmately how many times brighter than Mars is Earth's full moon? (i do know the Moon's apparent magnitude equals -12.6) Could we see the sun if it were 32.6 light years from

    asked by Maeve on April 19, 2009
  51. physics

    The planet Jupiter is more than 300 times as massive as the Earth But it so happens that a body would scarcely weigh three times as much on the surface of Jupiter as it would on the surface of Earth. Can you think of an explanation for why this is so?

    asked by william mclaren on February 4, 2013
  52. Math

    Can someone please help me set this up. I didn't quite understand how to do this today. Before leaving Earth, the mass of an astronaut is measured to be 60kg. The astronaut lands on the Moon and measures the acceleration of gravity to be 1.6 m/s2(squared).

    asked by Jeff on January 15, 2015
  53. physics

    The planet Jupiter is more than 300 times as massive as the Earth But it so happens that a body would scarcely weigh three times as much on the surface of Jupiter as it would on the surface of Earth. Can you think of an explanation for why this is so?

    asked by william mclaren on February 4, 2013
  54. Physics

    If you weigh 670 N on the earth, what would be your weight on the surface of a neutron star that has the same mass as our sun and a diameter of 15.0 km ? Take the mass of the sun to be ms = 1.99×1030 kg , the gravitational constant to be G = 6.67×10−11

    asked by Ane on July 22, 2016
  55. English

    Thank you very much for your corrections. Here are a few more sentences on the same subject I'd like you to check. 1)The Industrial Revolution brought several changes to Britain. First of all, it caused an enormous increase in production and consequently

    asked by Franco on October 11, 2010
  56. Chem

    Using condensed electron configurations, give reactions showing the formation of the common ions of the following elements. (Type your answers in the following order. In the first box enter your answer using the format [Ar] 4s2 3d10 4p2 for [Ar]4s23d104p2.

    asked by Lucas on October 10, 2010
  57. physics

    A 322-kg boat is sailing 14.4° north of east at a speed of 1.86 m/s. Thirty seconds later, it is sailing 38.4° north of east at a speed of 3.72 m/s. During this time, three forces act on the boat:

    asked by Jasmin on September 22, 2011
  58. Physics

    An object is given two initial velocities, one that has a magnitude of 60.0 ms-1 and points along a direction that is 35.0° north of east and the other has a magnitude of 55.0 ms-1 that points 15.0°, also north of east. Determine the resultant velocity

    asked by Sarah on February 28, 2017
  59. science

    A man walk 3km East and 4km North what is his resultant displacement? Suppose he walks 3km and 4km 60 degree North of East. What is the displacement?

    asked by Anonymous on March 30, 2017
  60. Physics

    At an intersection a car of mass 900kg traveling east collides with a pick up truck of mass 1800kg that is traveling North. Two vehicles stick together as a result of the collision, and after collision, the wreckage is sliding at 16m/sec in the direction

    asked by anne on March 31, 2015
  61. maths

    the galaxy we live in is roughly lens shaped,and pins.its diameter is given inlight years. (1 light year=9.5Exp12km) calculate the circuference or our galaxy in kilometres. the earth is at a point 3Exp4 light yaersfrom the centre.How far does the earth

    asked by jade on August 23, 2008
  62. physics

    The first Lunar Olympics is to be held on the Moon inside a huge dome. Of the usual Olympic events - track and field, gymnastics, and so on - which would be drastically affected by the Moon's gravity? In which events would Earth=based records be broken? In

    asked by jasmine on July 6, 2017
  63. Physics

    A tennis ball on Mars, where the acceleration due to gravity is 0.379 of a and air resistance is negligible, is hit directly upward and returns to the same level 9.50 later. How fast was it moving just after being hit? The formula is the same as we use on

    asked by JC on September 10, 2006
  64. Physics

    he weight of an astronaut on the moon is 127 N, where the value of 'g' is only 1.7 m/s2. What would the weight of this astronaut be on the Earth (in N)? I don't know if my attempt is rite? 127n/1.5ms^2 74.70N Divide 74.70N with earth value of G. What is

    asked by Jenny on October 8, 2009
  65. physics

    (fill in the blanks) The mass of a 300 g object is _______(a). Its weight on Earth is _______(b). An object that weighs 20N on earth has a mass on the moon equal to ________(c)

    asked by bob on October 25, 2018
  66. Physics

    A 2.00 ✕ 106 Hz radio signal is sent a distance of 7.30 ✕ 1010 meters from Earth to a spaceship orbiting Mars. Approximately how much time does it take the radio signal to travel from Earth to the spaceship?

    asked by Daisy on April 17, 2017
  67. Physics

    In New Hampshire the average horizontal component of Earth's magnetic field in 1912 was 16 uT, and the average inclination or "dip" was 73 degrees. What was the corresponding mag-nitude of Earth's magnetic field?

    asked by Michelle on November 12, 2012
  68. science

    1) The force of gravity on the moon is 1/6 the force of gravity on earth. If you had a 1 kg box of cereal on earth which had a weight of 2.4 N, what would its mass be on the moon? why? 2) what is the volume of a textbook with dimensions 21.3 cm, 27.5 cm,

    asked by kid on February 9, 2015
  69. Science

    The largest planets in the solar system are a) located between Earth and Jupiter b)found between Mars and Pluto c) located between the sun and the earth d) scattered througthout the solar system e) none of these e

    asked by babe on August 16, 2010
  70. college math

    the half life of Uranium -238 is 4.5 billion years and the age of earth is 4.5 X 109 years. What fraction of Uranium-238 that was present when earth was formed still remains?

    asked by shelly on October 18, 2017
  71. physics

    The diameter of some celestial body is 3080 km. What is the volume of this body? _____m3 How many of these celestial bodies would be needed to create a volume equal to that of Earth? The radius of the Earth is 6.38 106 m.

    asked by Lisa on September 6, 2010
  72. Physics

    The diameter of some celestial body is 3080 km. What is the volume of this body? _____m3 How many of these celestial bodies would be needed to create a volume equal to that of Earth? The radius of the Earth is 6.38 106 m.

    asked by Lisa on September 7, 2010
  73. phys science

    A space shuttle orbits at an altitude of approximately 200km above the surface of the Earth. If the radius of the Earth itself is 6380 km, what’s the acceleration due to gravity at the altitude of the space shuttle?

    asked by josh on July 18, 2011
  74. Science

    Imagine you find a piece of wood on the beach. The next day, the wood is 100 meters farther north. How might it have moved? Your answer should refer to currents

    asked by Jake on October 25, 2011
  75. Science

    Imagine you find a piece of wood on the beach. The next day, the wood is 100 meters farther north. How might it have moved? Your answer should refer to currents

    asked by Lars on October 25, 2011
  76. History help, please

    What are the answers!? What problem did the creation of the colony of Georgia create for South Carolina? A.) Georgia rivaled South Carolina for slaves B.) Many debtors and criminals who settled in Georgia moved to South Carolina C.) The creation of Georgia

    asked by cora on October 9, 2017
  77. History

    1. What was described as the "hardest work" slaves did? A: Work in rice fields B: Work in tobacco fields**** C: Work in the lumber business D: work loading and unloading ships in port 2. Which of the following best describes the social class of a small

    asked by Anonymous human on February 3, 2017
  78. physics

    Vector has a magnitude of 4.10 units and points due east. Vector points due north. (a) What is the magnitude of , if the vector + points 55.1 ° north of east? (b) Find the magnitude of + .

    asked by thaokieu on January 30, 2011
  79. physics

    Vector has a magnitude of 5.10 units and points due east. Vector points due north. (a) What is the magnitude of , if the vector + points 27.4 ° north of east? (b) Find the magnitude of + .

    asked by chrissy on February 4, 2014
  80. trig

    A plane is flying 225 mph heading South 25°West. The wind is blowing South 80°East at 60 mph. What is the bearing of the plane? What is the smallest angle of the triangle? What is the largest angle of the triangle? What is the remaining angle of the

    asked by Anonymous on May 26, 2011
  81. Science

    Hey everyone I need some omework jelp as you can see.I'm not that well in Science so could you give me some tips? And i would like somr homework help for the following passge and answers. DIRECTIONS Read the paragraph and answer the questions. You can find

    asked by Cindy on October 16, 2008
  82. U.S.History

    not so sure about this Most African American Exodusters migrated west to a. work as sharecroppers on bonanza farms b. escape racial violence in the South c. find relatives who had fled during the Civil War d. prospect for gold and silver

    asked by y912f on February 19, 2009
  83. physics

    Two geological field teams are working in a remote area. A global positioning system (GPS) tracker at their base camp shows the location of the first team as 42 km away, 21° north of west, and the second team as 29 km away, 37° east of north. When the

    asked by Anonymous on September 10, 2013
  84. physics

    Two geological field teams are working in a remote area. A global positioning system (GPS) tracker at their base camp shows the location of the first team as 43 km away, 23° north of west, and the second team as 29 km away, 33° east of north. When the

    asked by S on January 15, 2015
  85. physics

    Two geological field teams are working in a remote area. A global positioning system (GPS) tracker at their base camp shows the location of the first team as 37 km away, 24° north of west, and the second team as 34 km away, 38° east of north. When the

    asked by Anonymous on September 7, 2013
  86. Physics

    Two geological field teams are working in a remote area. A global positioning system (GPS) tracker at their base camp shows the location of the first team as 41 km away, 24° north of west, and the second team as 33 km away, 37° east of north. When the

    asked by Stacia on January 24, 2013
  87. physics

    A pendulum clock that works perfectly on Earth is taken to the Moon. (a)Does it run fast or slow there? (b) if the clock is started at 12:00:00 am, what will it read after one Earth day(24hrs)? Assume that the free-fall acceleration on the Moon is 1.63

    asked by steph on March 21, 2007
  88. Physics

    It can be shown that for a uniform sphere the force of gravity at a point inside the sphere depends only on the mass closer to the center than that point. The net force of gravity due to points outside the radius of the point cancels. Part A How far would

    asked by Kaan on November 16, 2012
  89. Math (Trig)

    A ship leaves port at noon and has a bearing of S 25° W. The ship sails at 15 knots. How many nautical miles south and how many nautical miles west does the ship travel by 6:00 P.M.? (Round your answers to two decimal places.) Miles South? Miles West?

    asked by Rafael on October 21, 2015
  90. 6th Grade Civil War History

    These are all true or false questions: The Civil War Greatly increased the power of the Federal Government. I think that is false but I'm not sure . . . As a result of the war, the South's economy boomed, while the economy of the North slumped. I'm pretty

    asked by Mary-Grace on September 2, 2009
  91. meteorology

    Compared to the planet's average radius (6371 km or 3959 mi), the atmosphere is like the thin skin of an apple. About 99% of the atmosphere's mass occurs within about 32 km (20 mi) of Earth's surface. Hence, the thickness of the atmosphere represents only

    asked by Anonymous on January 25, 2018
  92. physics

    the energy received by the earth from the sun is 1400w/m2. Assuming that the sun is a black body radiator and the ratio of the radius of the earth's orbit to the sun's radius is 216. Calculate the surface temperature of the sun. Stefan constant =

    asked by frank fred on April 16, 2012
  93. Physics

    A 50 kg satellite circles the earth in an orbit with a period of 110 min. What minimum energy E is required to change the orbit to one with a period of 320 min? Assume both the initial and final orbits are circular. The Earth’s radius is 6.37 × 10^6 m,

    asked by Steven on January 30, 2015
  94. physics

    You weigh 516 N at sidewalk level outside the World Trade Center in New York City. Suppose that you ride from this level to the top of one of its 410 m towers. Ignoring Earth's rotation, how much less would you weigh there (because you are slightly farther

    asked by Xavier on November 26, 2010
  95. Math

    Warren walked 4 kilometers down east and then 5 kilometers down south. Next, he walked another 4 kilometers down east. Then he turned again, and walked 5 kilometers down south. He stopped there. To the nearest kilometer, how far is he from the starting

    asked by Ariel on February 16, 2016
  96. Physics, science,

    I'm desperate Please help 2. A bird, starting from rest, accelerates at 3 m/s2 north for 5 seconds. It then sees the rest of its flock and turns due east accelerating from its previous speed to 20 m/s in 2 seconds. A. What is the velocity of the bird after

    asked by Bri on October 12, 2012
  97. Social Studies

    “The state of monarchy is the supremest thing upon earth; for kings are not only God's lieutenants upon earth, and sit upon God's throne, but even by God himself are called gods.” ―King James I, Works (1609) Which of the following people would have

    asked by GUCCI on December 19, 2018
  98. social studies

    could you answer one more question large and complex empires - big cities filled with riches, populations of many millions of people, traditional religions, impressive architecture and arts blending of cultures- destroyed cities; tye construction of mexico

    asked by kenzi on December 12, 2018
  99. physics-Momentum

    A Cadillac of mass 2210 kg going east collides with a Geo of mass 1240 kg headed north on a level highway. The cars remain tangled and slide to rest after traveling 25 m in a straight line at an angle of 20° north of east. The coefficient of kinetic

    asked by Thomas on March 29, 2011
  100. Social studies

    How did World War 2 affect life in Georgia? (Choose all that apply.) A. More Georgians were out of work than ever before B. Many people moved to the North or West C. People made sacrifices for the war effort. D. African american Georgians moved to the

    asked by Amber on March 16, 2016