1. Math word problem

    Jason travels from A for 5 km north and then 7 km due west to B, he then travels bak directly from B to A. Find the total length of his journey
  2. trigonometry

    A ship at A is to sail to C, 56km north and 258km east of A. After sailing N25°10’E for 120mi to P, the ship is headed toward C. Find the distance of P from C and the required course to mean C.
  3. riddles

    is any one good at riddles? here is the clue for the treasure. a pointy thing to the north and east. And a drink that will get you high beyond.An education will help you find it.But it's still no magic wand.
  4. physics

    a plane is headed north with a velocity of 400km/hr and west wind blowing at 70km/hr.find the distance of the plane from its base in 2hrs
  5. physics

    a plane is headed north with a velocity of 400km/hr and west wind blowing at 70km/hr.find the distance of the plane from its base in 2hrs
  6. science

    a plane is headed north with a velocity of 400km/hr and west wind blowing at 70km/hr.find the distance of the plane from its base in 2hrs
  7. trigonometry

    A ship at A is to sail to C, 56km north and 258km east of A. After sailing N25°10’E for 120mi to P, the ship is headed toward C. Find the distance of P from C and the required course to mean C.
  8. trigonometry

    A ship at A is to sail to C, 56km north and 258km east of A. After sailing N25°10’E for 120mi to P, the ship is headed toward C. Find the distance of P from C and the required course to mean C.
  9. essay

    Hi i can't find any websites except wikipedia to help me with this question Analyze the impact of the Atlantic trade routes established in the mid 1600's on economic development in the British North American Colonies
  10. history

    please give me links from which i can find the answer to this question the North Atlantic Treaty Organization (NATO) was based on the principle of a. free trade b. collective security c. appeasement d. isolationism thanks:D
  11. fortis

    north island federal credit union pay 4% annual interest, compounded daily on time savings deposits. find the value after 1 year of 750 deposited in this account
  12. ccs trigo

    A pilot is flying at a heading of 96° at 225 miles per hour wind is blowing from the south west at a heading of 37° find the ground speed and courses of the plane
  13. 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,
  14. us history

    What was the society of south circa 1840? I was doing some flash cards for us history and this was one of the vocab terms. I couldn't find anything about it in my textbook, notes, and met a similar difficulty while trying to look for it on the internet.
  15. 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.
  16. Physics

    An object is released from rest at height h above the surface of the Earth, where h is much smaller than the radius of the Earth. It takes t seconds to fall to the ground. At what height should this object be released from rest in order to take 2t seconds
  17. science help pls pls

    A star is observed from two positions of Earth in its orbit, in summer and winter. Which of these is the best method to calculate the approximate distance of the star from Earth? measure the parallax and use it in calculations measure the red shift of
  18. physics

    Two racing boats set out from the same dock and speed away at the same constant speed of 94.0 km/h for half an hour (0.500 h), the blue boat headed 26.0° south of west, and the green boat headed 38.2° south of west. During this half-hour (a) how much
  19. World history

    5. Which of the following statements about the physical geography of North America is true? A. The most geologically active region of North America is found along the West Coast. B. The ancient rock of the Canadian Shield covers about one-fourth of Canada.
  20. 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?
  21. 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
  22. 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
  23. 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
  24. 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
  25. Physics

    The moon is 384,000 km from the earth and makes 1 revolution in 27.3 days. Find its angular and linear speeds in its orbit.
  26. Physics 203

    An object is projected upward from the surface of the Earth with an initial speed of 4.6 km/s. Find the maximum height it reaches.
  27. Earth science

    Hello! Does Jiskha have Earth Science tutors? If not, could someone direct me to a site where I could ask for help? My questions regard finding out specific heat capacity and heat of fusion and heat of vapourization of water. Thank you!
  28. math

    1.The land on Earth’s surface is represented by the seven continents. Europe has 77% of the dry land while Africa has 20%. North America has 4/25 and Antarctica has 1/10 of the dry land. What fractional amount of the dry land is contained within the
  29. space

    Imagine that all gravity in the Universe was magically turned off (except the gravity of the Earth),and everything stopped moving.Earth's gravity will now begin to pull everything in the Universe slowly toward it. True or False?
  30. 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
  31. 11th grade

    A bus travel 250km south along a straight path with the average velocity of 84km/h to the the bus stop for 26 min. Then in it travel 240km with avrage 70km/h to the south.How long long did the hold trip take? What is the average velocity of the trip?
  32. Algebra

    The diameter of the moon is about 3476 kilometers. The distance from earth to moon is about 384,400 kilometers. About how many moons could be lined up in a row between earth and the moon? Round to the nearest whole number. Please help answer thanks
  33. 6th math

    Light travels at 186,000 miles per second. Light takes about 11⁄3 seconds to travel from the earth to the moon. Calculate the distance between the earth and the moon based on the speed of light. ???
  34. trigonometry

    A satellite is orbiting the Earth in a circular orbit. It orbits the Earth 3 complete revolutions every 24 hours. How many radians does it travel in 19 hours? i think its 19pi radians or 19/2pi radians im kinda conufsed about what i did..need help
  35. 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
  36. English

    1. I don't have a little money. 2. I don't have little money. 3. I don't have some money. 4. I don't have any money. 5. I have a lot of money. (Are all grammatical? Does # 1 mean #5?) 6. Do you have much money? - Not much. (Is the answer correct?) 7. He
  37. 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
  38. Math

    which mountains peaks can be seen from Oahu. Island Distance(Mi) Mountain Height(ft) Molokai - 40 - Kamakou - 4,961 A) Radius of earth= 3960 mi. Determine angle formed at the center of the earth. B) Determine length of the hypotenuse. Could someone go
  39. Physics Number 3 (Online w/ no teacher)

    Many people mistakenly believe that the astronauts that orbit the Earth are “above gravity.” Calculate g for space-shuttle territory, 200 kilometers above the Earth’s surface. Earths’ mass is 6 X 10 to the 24th and its radius is 6.38 X 10 to the
  40. Physics

    Hi,I need help with question 1) There were twins on our planet earth. They were physicst. One of them were sent to space at his 20 year. When he comes back after 20 years of stay in the space he was 40 years but his brother who stayed on earth was 60 years
  41. English Writing

    Please help me... People believe in God because... And there is life on earth because... And people who believe in God think that God has put human beings on this earth because... I have to write continue of these sentences... Could you guys help me
  42. gr 11 physics

    as a rocket carrying a space probe acceleraes away from earth the fuel is being used up and the rocket's mass becomes less when the mass of a rocket(and its fuel) is M and the distance of the rocket from eart's centre is 1.5rE, the force of gravitational
  43. 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
  44. 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
  45. 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
  46. 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
  47. 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
  48. Physics

    A deep space probe moves away from the earth with a speed of 0.75c. An antenna on the probe requires 3.00s probe time to rotate through 1 revolution. How much time is required for 1.00 rev according to an observer on Earth?
  49. astronomy

    A geosynchronous satellite is a satellite whose orbital period matches the rotation of the Earth. Calculate the height above the surface of the Earth which a satellite must have in order to be in a geosynchronous orbit. (Please enter your answer in units
  50. chemistryyy

    The escape velocity of planet earth is 11.2 km/s. At what temperature would helium atoms be able to escape the earth's gravitational pull? (Note: you're calculating the average speed here, which means roughly 50% of the atoms would escape at any given
  51. SCTD

    Physics a satellite orbiting 3.22 times 10 to the 5th power meters above the surface of the earth get the mass of the satellite is 3.80 times 10 to the 4th kilograms what is the weight or gravitational force exerted on the satellite by the earth?
  52. astronomy

    A geosynchronous satellite is a satellite whose orbital period matches the rotation of the Earth. Calculate the height above the surface of the Earth which a satellite must have in order to be in a geosynchronous orbit. (Please enter your answer in units
  53. physics

    (a) What is the direction of the force on a wire carrying a current due east in a location where the Earth’s field is due north? Both are parallel to the ground. Answer: Direction of force is Vertically up from ground (b) Calculate the force per meter if
  54. 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.
  55. Physics equation?

    can anybody tell me an equation that can be used to find the number of electrons flowing through an LED every second? and also refer or give me any information that could explain another mechanism (apart from the fact that they denote energy to a single
  56. physics

    When two identical ions are separated by a distance of 4.0×10^−10 , the electrostatic force each exerts on the other is 5.7×10^−9 . How many electrons are missing from each ion? what i did was used coulombs law to find the value of q1 and q2
  57. 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
  58. PHYSICS II

    When two identical ions are separated by a distance of 4.0×10^−10 , the electrostatic force each exerts on the other is 5.7×10^−9 . How many electrons are missing from each ion? what i did was used coulombs law to find the value of q1 and q2
  59. PHYSICS II

    When two identical ions are separated by a distance of 4.0×10^−10 , the electrostatic force each exerts on the other is 5.7×10^−9 . How many electrons are missing from each ion? what i did was used coulombs law to find the value of q1 and q2
  60. 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
  61. earth science...help

    for this question: Put the folloing words together in a few sentence to explain their meaning and relationship to one another: seismic waves, seismograms, seismoghaps, and seismologists. is this answer suitable: Seismic wave is an elastic shock wave that
  62. physics

    A law enforcement officer in an intergalactic "police car" turns on a red flashing light and sees it generate a flash every 1.5 s. A person on earth measures that the time between flashes is 2.9 s. How fast is the "police car" moving relative to the earth?
  63. Career Plans

    Does this make sense? My Plan A is to do something with geology. I take deep interest in learning about Earth's structure and about the universe. Exploring and discovering solution connecting with earth would be very intersting. I would somewhat be able to
  64. Physics

    A satellite orbits at a distance from the Earth's center of abut 3.00 earth radii and takes 7.30 hours to go around once. What distance (in meters) does the satellite travel in one day? And, what is the orbital velocity (in m/s)? I'm completely lost. I
  65. physic

    golf is just as popular as it is on earth. A golfer tees off and drives the ball 4.5 times as far as he would have on earth, given the same velocities on both planets. The ball is launched at a speed of 54 m/s at an angle of 60¡ã above the horizontal.
  66. Physics

    Problem: As you walk to class with a constant speed of 1.60m/s , you are moving in a direction that is 20.8∘ north of east. Part A How much time does it take to change your displacement by 22.0m east? Part B How much time does it take to change your
  67. Physics D

    A 1500-kg car moving north at 27.0 m/s is struck by a 2165-kg car moving east at 13.0 m/s. The cars are stuck together. How fast and in what direction do they move immediately after the collision? 1. what is the degree north of east? 2. how was do they
  68. Science Physics

    An air plane flies 20 km in a direction 60 degree west of north then 40 km straight east and then 10 km in a direction 30 degree north of east . How far and at what direction is the plane from the starting point?
  69. 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
  70. Math Ms. Sue please help!!!

    Okay I am really stuck on this question Tip: ^ = exponent Example: 6x10^7 7 is exponent Question: Venus is the second planet from the sun. Earth is the third planet from the sun. The distance from Venus to the sun is 6.72x10^7 and the distance from Earth
  71. 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
  72. Trigonometry

    An airplane is 48 miles due north of a town. An airport is 29 miles North-West of the town. It is determined that the airplane is 34 miles from the airport. On what bearing should the pilot fly to get to the airport? Please show work if possibly, I'm
  73. 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
  74. chemistry

    how many electrons can n=4 l=1 have?
  75. chemistry

    how many electrons does se-2 have 32 34 36 2
  76. Physics

    A ship is travelling due east at 10 m/s. What must be the speed of a second ship heading 30 degrees east of north if it is always due north of the first ship?
  77. pre-calc

    The radius of the earth is approximately 4,000 miles. The acceleration due to gravity is approximately 32 feet per square second. The mass of the earth is approximately 6 × 10^24 kilograms. Calculate the value of G in units of kilograms, meters, and
  78. physics

    a woman who weighs 150 lb. on earth would weigh 340 lb. on another planet, what is her mass on earth, what is her mass on the other planet, what is the magnitude of the gravitational field on the other planet
  79. physic

    The drawing (not to scale) shows one alignment of the sun, earth, and moon. The gravitational force SM that the sun exerts on the moon is perpendicular to the force EM that the earth exerts on the moon. The masses are: mass of sun = 1.99 1030 kg, mass of
  80. physics

    The drawing (not to scale) shows one alignment of the sun, earth, and moon. The gravitational force that the sun exerts on the moon is perpendicular to the force that the earth exerts on the moon. The masses are: mass of sun=1.99 × 1030 kg, mass of
  81. Physics

    The drawing (not to scale) shows one alignment of the sun, earth, and moon. The gravitational force SM that the sun exerts on the moon is perpendicular to the force EM that the earth exerts on the moon. The masses are: mass of sun = 1.99 1030 kg, mass of
  82. physics

    The drawing (not to scale) shows one alignment of the sun, earth, and moon. The gravitational force SM that the sun exerts on the moon is perpendicular to the force EM that the earth exerts on the moon. The masses are: mass of sun = 1.99 1030 kg, mass of
  83. 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
  84. 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
  85. colonial america

    WHAT WERE THE FIRST TWO SETTLEMENTS IN NORTH AMERICA? http://www.historyplace.com/unitedstates/revolution/rev-early.htm First = 1565 Scroll down to find others. =)
  86. 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
  87. 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
  88. 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.
  89. Math

    A boat sails 40km from point A to point B, east of A on a lake. Lodge P is south of point A. Another lodge Q is south of point B. The bearing of Q from point A is S52degresE and the bearing of P from B is S39degresW. If P is 60km from Q, calculate the
  90. 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
  91. 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
  92. Math

    1. If the cost to recover the 60 to 70 foot cypress trees is $375 each and the cost to harvest the larger trees is $500, how much it cost to recover all of the trees if 2/5 of the trees are more than 70 feet long? 4. Because the harvested lumber depletes
  93. 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?
  94. 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.
  95. 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?
  96. 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
  97. Physics Calculation

    The weight of an apple near the surface of the earth is 1N. What is the weight of Earth in the gravitational field of the apple?
  98. 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 :)
  99. 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
  100. physics

    A hockey puck moving due east with speed 1.00 m/s collides with an identical puck moving 40 degrees south of west with speed 2.00 m/s. After they collide, the first puck is moving south with speed 1.50 m/s. What is the direction and speed of the second