1. 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
  2. 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
  3. 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 25, 2013
  4. 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
  5. 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 31, 2011
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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 11, 2010
  11. 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
  12. 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 7, 2017
  13. 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
  14. 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
  15. 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 18, 2017
  16. 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
  17. 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
  18. 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
  19. 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 19, 2011
  20. 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
  21. 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 10, 2015
  22. 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 13, 2012
  23. 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 9, 2009
  24. 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
  25. 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
  26. English

    I am writing this essay about Shirley Jackson's "The lottery" My essay is supposed to be about i think i want to talk about stoning in south africa( how long it lasted, if it still takes place, was it for punishment or for no reason) and the second body

    asked by Jessica on October 9, 2011
  27. 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
  28. 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
  29. physics

    While following the directions on a treasure map, a pirate walks 38.8 m north, then turns and walks 5.8 m east. What is the magnitude of the single straight-line displacement that the pirate could have taken to reach the treasure? Answer in units of m At

    asked by kenny contreras on September 9, 2013
  30. 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
  31. 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
  32. 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
  33. US History

    Need to get these checked-- 3. Which of the following was a weakness of the Article of Confederation? a. Only Congress had the power to tax b. There was no legislative branch of government c. State governments had no authority d. There was no national

    asked by mysterychicken on September 30, 2010
  34. PHYSICS (VECTOR)

    A plane is flying due South (270º) at 474.8 km/h. A wind blows from West to East (0°) at 46 km/h. Find the direction of the plane's travel. Report your answer in degrees from 0° as a reference.

    asked by tay on October 26, 2014
  35. 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
  36. 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
  37. 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
  38. 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
  39. History

    ***= my answers 1.) Shared government power between the states and federal government is known as Limited government Popular sovereignty Federalism*** None of the above. 2.) The government has only as much authority as the people give it is known as

    asked by mstv on November 19, 2015
  40. physics

    While following the directions on a treasure map, a pirate walks 37.8 m north, then turns and walks 5.2 m east. What is the magnitude of the single straight-line displacement that the pirate could have taken to reach the treasure? Answer in units of m. 004

    asked by Anonymous on October 1, 2015
  41. 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
  42. History

    Which of the following best describes the Southern attitude towards goods and supplies at the beginning of the Civil War? A:They believed they could get necessary goods from Mexico. B: They believed they needed to develop their factories. C: They believed

    asked by ? on February 24, 2016
  43. geography

    name the major line north of the equator The Tropic of Cancer. In the future, you might want to post both questions at the same time, in the same post. No need to create two separate threads on Geography. tropic of cancer Another major line is the Arctic

    asked by cassie on September 21, 2006
  44. 9th grade

    each question is 10 points each, and i don't get 4 questions. I am in Earth Science and in 9th grade i would appreciate it if some one would help me. THANKS ! Where have earthquakes occurred most frequently during the last one hundred years? 1) in the

    asked by Alicia on November 24, 2009
  45. physics

    Two racing boats set out from the same dock and speed away at the same constant speed of 102 km/h for half an hour (0.500 h), the blue boat headed 26.1° south of west, and the green boat headed 38.8° south of west. During this half-hour (a) how much

    asked by Anonymous on January 24, 2013
  46. physics

    Two racing boats set out from the same dock and speed away at the same constant speed of 120 km/h for half an hour (0.500 h), the blue boat headed 23.7° south of west, and the green boat headed 34.4° south of west. During this half-hour (a) how much

    asked by sophia on September 23, 2015
  47. Physics

    A satellite of mass 5700 orbits the Earth and has a period of 6000 . a) Determine the radius of its circular orbit. b) Determine the magnitude of the Earth's gravitational force on the satellite. c) Determine the altitude of the satellite.

    asked by Jim on September 25, 2010
  48. trigonometry

    A motor cruising south along the highway is 16 km from the nearest town. After travelling a distance of 32 km, he finds that he is 19 km from the same town. Find the bearing of the town from the second position of the motorist.

    asked by ymme on March 6, 2016
  49. Physics

    Supposed a skydiver ( mass=75kg ) is falling toward the earth. When the skydiver is 100m above the earth he is moving at 60m/s. At this point calculate the skydiver: Gravitational potential energy Kinetic energy Total mechanical energy

    asked by Terry on October 18, 2017
  50. Chemistry

    Can somebody check my answers? I Failed this test one time already. I do not want to fail it again. 1. When a pair of electrons is shared between two atoms, a covalent bond is said to have formed. Most often, the pair is formed A. by excess valence

    asked by Amanda on August 26, 2011
  51. Chemistry

    18. Explain how the atomic number of an element identifies the element. 19. How can atomic number and mass number be used to find the numbers of protons, electrons, and neutrons? 20. An atom is identified as platinum-195

    asked by Rosio on September 22, 2006
  52. sat essay

    please give me some advice. thank u! assignment:Is the way something seems to be not always the same as it actually is ? Most people tend to consider what they see as facts or truth. As far as I am concerned, what we see is sometimes conceiving and

    asked by tiffany on November 11, 2009
  53. sat essay

    please give me some advice. thank u! assignment:Is the way something seems to be not always the same as it actually is ? Most people tend to consider what they see as facts or truth. As far as I am concerned, what we see is sometimes conceiving and

    asked by tiffany on November 11, 2009
  54. Physics

    The average wind speed at a height of 80m over the North Sea is estimated to be about 9 m/s. Norway plans to build a 10-MW wind turbine in the North Sea, which will have blades of diameter 145m producing an average of 3 MW of power. Calculate the

    asked by Laurie on August 25, 2018
  55. Science

    If you do or do not believe in electrons can you explain why you do or do not?

    asked by angela on September 21, 2010
  56. physical science

    how many electrons does lithium have

    asked by chris on December 3, 2008
  57. Chemistry

    How many valence electrons does Mo+3 have?

    asked by James on April 8, 2011
  58. chem

    How many electrons are in an atom of O2-.

    asked by vanessa on September 5, 2010
  59. biology

    how do electrons move

    asked by mpofu on August 22, 2016
  60. Chemistry

    How many electrons in an atom can have n=3, ml=+1 and ms=+1/2

    asked by Meg on December 3, 2007
  61. physics

    How many electrons does a 3.05 kg of water have?

    asked by G on July 6, 2011
  62. Science

    How do I tell how many electrons are in an element?

    asked by mark on October 11, 2007
  63. Science

    Why do you believe electrons exist?

    asked by angela on September 21, 2010
  64. science

    where do electrons float

    asked by Katherine on January 6, 2010
  65. Chemistry

    Why do you believe electrons exist?

    asked by angela on September 21, 2010
  66. Is the nucleus composed of protons and neutrons?

    or protons and electrons?

    asked by Bryce on October 25, 2012
  67. chemistry

    how many outer electrons are there in [Ar] 4s^1?

    asked by Jazmin on March 31, 2010
  68. college

    Do you believe electrons exist and why or why not?

    asked by angela on September 21, 2010
  69. Chemistry

    How many electrons in CH3NH3+ ?

    asked by anon on September 1, 2016
  70. Chemistry

    xplain why the value of the band gap energy, Eg, decreases in the following homologous series: Cdiamond=5.4 eV; Si=1.1 eV; Ge=0.72eV; Sn=0.08 eV. As we move down the group, bond strength increases. As the strength increases, materials become more metallic

    asked by Ankur on January 11, 2013
  71. Physics

    Calculate the position of the center of mass of the following pairs of objects. Use a coordinate system where the origin is at the center of the more massive object. Give your answer not in meters but as a fraction of the radius as requested. Get data from

    asked by Lindsay on December 15, 2011
  72. physics

    A simple temperature model for the solar nebula disk is Tdisk(a) = 20 × SQRT 100 AU/ a K, (1) where a should be expressed in AU in this equation. (a) Find the temperature in the solar nebula disk at the orbit of Mer- cury, Earth and Jupiter. (b)

    asked by kathy on November 13, 2014
  73. English

    I really need you to check these sentences please.Thank you. 1) A group of his fans were (not was?) waiting outside his flat. 2) While he was walking across the square, he stopped to sign a record for Mark Chapman. 3)When he returned home, Mark was still

    asked by Mike on February 16, 2011
  74. Precalculus

    A nautical mile equals the length of arc subtended by a central angle of 1 minute on a great circle on the surface of Earth. If the radius of Earth is taken as 3960 miles, express 1 nautical mile in terms of ordinary, or statute, miles.

    asked by Jillian on January 12, 2012
  75. science

    why does the sun appear to move westward across the sky during the day? a) because earth rotates to the east b) because earth rotates to the west c) because the sun moves in a westerly direction d) because of the way you are looking into the sky

    asked by need help on January 27, 2016
  76. math

    the distance from the sun to earth is about 1.5x10^11 meters. suppose light travels at a speed of 3x10^8 meters per second. About how long does it take light from the sun to reach earth? PLEASE HELP!!!

    asked by shirly on December 26, 2014
  77. Physical science

    The diameter of the planet saturn is 10 times that of the earth but the mass of the planet is only 90 times greater than that of the earth.what isthe gravitational acceleration(or number of 'gs'you"ll feel)on saturn?

    asked by Thando on March 2, 2015
  78. Free Fall

    The acceleration due to gravity on planet X is one fifth that on the surface of the earth. If it takes 3.9 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?

    asked by Joe on October 4, 2012
  79. science

    why does the sun appear to move westward across the sky during the day? a) because earth rotates to the east b) because earth rotates to the west c) because the sun moves in a westerly direction d) because of the way you are looking into the sky

    asked by victoria on October 30, 2013
  80. Physics

    Carbon-15 has a half-life of 5730 years. As observed from Earth, what would the half-life of carbon-15 be if it traveled through space at 25% of the speed of light, relative to Earth?

    asked by Anonymous on January 19, 2018
  81. volume,mass,weight

    if you travelled to a planet that had twice the force of gravity of earth and you have taken a small mass that is 1kg what is the mass weight and volume of the 1kg object on the new planet compared to earth

    asked by dw on March 5, 2012
  82. physics

    The wind exerts a force of 280 N North on a sailboat, while the water exerts a force of 131 N West on the sailboat. How many degrees west of north is this net external force directed?

    asked by Anonymous on November 17, 2011
  83. physics

    As two boats approach the marina, the velocity of boat 1 relative to boat 2 is 2.20m/s in a direction 47.0 ∘ east of north. If boat 1 has a velocity that is 0.745m/s due north, what is the velocity (magnitude and direction) of boat 2?

    asked by name on September 21, 2014
  84. Physical Science

    The only force acting on a satellite in its orbit around Earth is the force of gravity from Earth. Why does a satellite not fall down?

    asked by Sarah on January 2, 2011
  85. physics

    The only force acting on a satellite in its orbit around Earth is the force of gravity from Earth. Why does a satellite not fall down?

    asked by Anonymous on August 16, 2010
  86. Science/Physics

    Andee has a mass of 68.5 kg on earth. What is his weight on Earth? What should his mass be in order to have the same weight at the surface of the moon?

    asked by Gwyn Kyla Agduma on July 31, 2014
  87. Science

    The only force acting on a satellite in its orbit around Earth is the force of gravity from Earth. Why does a satellite not fall down?

    asked by Anonymous on August 20, 2010
  88. Physics

    Which requires more fuel- a rocket going from the earth to the moon or a rocket coming from the moon to earth? Please explain why. Thank you so much :)

    asked by Rebekkah on May 14, 2011
  89. Science

    An object has a mass of 5.0 kg on the surface of the Moon. What would be the object's: a) mass on Earth b) force of gravity on Earth

    asked by Annie on May 28, 2014
  90. Physics

    What would be the weight of a 1.0kg mass on the surface of Mars? The mass of Mars is 0.11 that of the earth, and its radius is 0.53 that of the earth.

    asked by Universal Gravitation on December 15, 2010
  91. Triangles

    How will you find the distance of a star from Sun, given that the angle at which it is viewed from the two solstices of Earth(i.e winter and summer) are alpha and beta respectively, and the distance between the points of the solstices is 150 million km.

    asked by Shanu on January 22, 2015
  92. english

    For my assignment I have to find an advertisement, analyze it, and write my interpretation of it. I've done this, but I'm coming out short on words for the assignment. And I feel like there's nothing else that I can mention. I'm supposed to write 500 words

    asked by y912f on October 13, 2010
  93. Calculus

    Two cars start moving from the same point. One travels south at 60 mph and the other travels west at 25 mph. At what rate is the distance between the cars increasing 2 hours later? Let x = the distance covered by the south traveling car. Let y = the

    asked by Robin on June 29, 2013
  94. math

    A40m deep well with radius 3.5m is dug and the earth taken out is evenly spread to form aplateform of dimension 28m by 22m.find the height of the platform.

    asked by tarekegn on May 13, 2015
  95. Physics

    an earth satellite has an elliptical orbit with an eccentricity value, e=0.40 and on orbital period of 10 hours and 54.0 minutes. Find the height above the surface at its closest approach point.

    asked by Ana on May 14, 2017
  96. physics

    An object is projected upward from the surface of the earth with an initial speed of 2 km/s. The acceleration of gravity is 9.81 m/s^2. Find the maximum height it reaches. Answer in units of km.

    asked by michelle on November 30, 2012
  97. Physics

    I have to find the Current created by earth as it circles the sun.through the formula I=(Q/delta t). Hint:It says think of the cross section of the earths orbit.How often does a charge pass through it.

    asked by Jim on March 10, 2008
  98. chemistry

    I have a compound ch3 = ch- ch - oh ch3 the ch3 is under the first ch from the left, i have to identify the monomer unit and draw a structure showing three monomer unit any help i have a compound CH3= CH - CH - OH and another CH3 under the first CH from

    asked by bex on February 26, 2007
  99. History

    President Kennedy's response to the Cuban Missile Crisis was overthrow the Soviet government from within the Kremlin invite Castro to Washington D.C. for peace talks* send CIA-led forces of Cuban exiles to invade Cuba and overthrow Castro The Tet Offensive

    asked by Dylan on April 10, 2018
  100. Math

    Last one! Please help! South America's total population was 515,000,000 and the world's total population was 6,279,000,000. What percentage was South America rounded to the nearest tenth?

    asked by Sadie on February 23, 2009