1. physics

    A 0.69 kg mass is observed to accelerate at 8.16 m/s2 in a direction 30.5° north of east. There is a force directed north acting on the object and a force directed east acting on the object. What is the magnitude of the force acting east on the object?
  2. Physics

    A 2.03 kg mass is observed to accelerate at 8.82 m/s2 in a direction 28.8° north of east. There is a force directed north acting on the object and a force directed east acting on the object. What is the magnitude of the force acting east on the object?
  3. application of differential equation

    An object of mass 100g is thrown vertically upward from a point 60cm above the earths surface with an initial velocity of 150cm/sec. It rises briefly and then falls vertically to the earth, all of which time it is acted on by air resistance that is
  4. math

    An object of mass 100g is thrown vertically upward from a point 60cm above the earths surface with an initial velocity of 150cm/sec. It rises briefly and then falls vertically to the earth, all of which time it is acted on by air resistance that is
  5. Physics

    Margaret walks to the store using the following path: 0.435 miles west, 0.280 miles north, 0.300 miles east. What is her total displacement? That is, what is the length and direction of the vector that points from her house directly to the store? Find
  6. History

    Secession and War Quiz 1) The admission of Missouri as a slave state was controversial in the Senate because... :The Senate was pro-slavery. :It would create sectionalism. :It would upset the balance.*** :The Senate was anti-slavery. 2) The main topic of
  7. trigonometry- college

    For two hours, a boat sails straight from port A to port C with a speed of 50 miles per hour. Port B is due east of port A, and the bearing of line segment BC is 20 degrees south west. Find the bearing of line segment AC. I really don't know what's the
  8. U.S History - Pls check my answer :)

    Document A: It is impossible that the allied powers should extend their political system to any portion of either continent without endangering our peace and happiness; nor can anyone believe that our southern brethren, if left to themselves, would adopt
  9. Social Studies

    2. 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 pepole moved to the North or West C. Pepole made sacrifices for the war effort. D. African american Georgians moved to the
  10. chemistry

    In many residential water systems, the aqueous Fe3+ concentration is high enough to stain sinks and turn drinking water light brown. The iron content is analyzed by first reducing the Fe3+ to Fe2+ and then titrating with MnO4- in acidic solution. Fe2+(aq)
  11. science

    The atmospheres of Mars and Venus are mostly carbon dioxide. Earth’s atmosphere contains only a fraction of a percent of carbon dioxide. Why is Earth’s atmosphere so different from those of Mars and Venus?
  12. Physics

    Planet X has six times the diameter and seven times the mass of the earth. What is the ratio gX : ge of gravitational acceleration at the surface of planet X to the gravitational acceleration at the surface of the Earth?
  13. PLEASE HELP, physics/math

    Three people are trying to hold a lion still for the vet. The lion, in the center, is wearing a collar with three ropes attached to it and each person has a hold of the rope. charlie is pulling in the direction of 62 degrees west of north with a force of
  14. physics/math

    Three people are trying to hold a lion still for the vet. The lion, in the center, is wearing a collar with three ropes attached to it and each person has a hold of the rope. charlie is pulling in the direction of 62 degrees west of north with a force of
  15. math / science

    three people are trying to hold a lion still for the vet. The lion, in the center, is wearing a collar with three ropes attached to it and each person has a hold of the rope. charlie is pulling in the direction of 62 degrees west of north with a force of
  16. math nid this asap tyy

    (Velocity and acceleration.) The acceleration of gravity on the surface of the Moon is a = 1.6 m/s2, as opposed to g = 9.8 m/s2 on Earth. An Olympic high-jumper can jump to about 2.35 m on the surface of the Earth. What height could an Olympic high-jumper
  17. Economics

    What is the South African government providing and to whom?
  18. Economics

    What is South African government providing and to whom?
  19. Economics

    What is the South African government providing and to whom ?
  20. economics

    What is the South african government providing and To whom
  21. social studies

    What two states extend further south in louisiana?
  22. economics

    What is south african government providingand to whom?
  23. economics

    what is the south africa government providing and to whom
  24. english

    does south african revolution value customs.
  25. social studies

    in the south, by 1863, what were the ages for conscription ?
  26. Social Studies

    How democratic was the pre-war South?
  27. history

    how were slaves treated in the american south?
  28. Economics

    What is the south african government providing and to whom?
  29. Social Studies

    How democratic was the pre-war South?
  30. Jc motumi

    What is the south African government providing and to whom?
  31. world history

    Who was the George Washington of South America?
  32. Geography

    In which hemisphere is South African situated?
  33. Economic

    What is the south african government providing and to whom?
  34. english

    which twoo counteries are farthest south?
  35. economics

    What is the south African government providing and to whom?
  36. economics

    what is the south african government providing to whom?
  37. history

    Who was a democratic liberal during Reconstruction of the South?
  38. Economics

    What is the South African government providing and to whom?
  39. social studies

    On what two oceans does South Africa border??
  40. economics

    What is the south African government providing and to whom?
  41. social studies

    how did the south plan to win war.
  42. social studies

    Name two states that extend further south than louisiana?
  43. Economic Management Scients

    What is 'improper' tax which we get in South Africa?
  44. Masijabule High School

    What is the South African goverment providing and to whom?
  45. home economics

    What is the south african government providing and to whom?
  46. Economics

    What is the south african government providing and to whom
  47. Social Studies

    What is the name of the only colony on the South American continent?
  48. economics

    what is the south african government providing and to whom?
  49. physics

    What is the momentum of a 4 Mg semi truck going 30 m/s south?
  50. history

    how did farming in the northeast differ from that in the south
  51. social studu

    what is the South going to do for economy now that slavery is abolished?
  52. Economics

    What is South African government providing and to whom?
  53. economics

    what is the south african government providing and to whom?
  54. economics

    What is the south african government providing and to whom
  55. social studies

    why did the south see president lincoln as anenemy?
  56. economics

    what is the south african government providing and to whom
  57. economics

    What is the south african government providing and to whom?
  58. spanish

    Name four non-Hispanic countries in South America
  59. SS

    what qualities are valued in south korea
  60. English

    The future in South africa is bright
  61. SS

    could you explain democracy in south asia
  62. ECONOMICS

    WHAT IS THE SOUTH AFRICAN GOVERNMENT PROVIDING AND TO WHO?
  63. history

    who invented the drainage of south florida?
  64. Tidal Heights/Barometric Pressure

    What barometric pressure are tidal height predictions based on? Tidal height has nothing to do with barometric pressure. Barometric pressure is a reading that is measured. Now if you are wondering what the "standard" pressure is, it is the average
  65. physics

    1.A truck with a mass 5000 kg is heading East at 20 m/s. Meanwhile a car with a mass 2500 kg is heading North at 30 m/s. The two vehicles collide at an intersection, get stuck together, and the wreckage keeps moving to some direction.find the speed of the
  66. physics

    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 earth=5.98 × 1024 kg, mass of moon=7.35 × 1022 kg. The distances shown in the
  67. physics

    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 earth=5.98 × 1024 kg, mass of moon=7.35 × 1022 kg. The distances shown in the
  68. Physics

    The gravitational constant for Earth is gE = 9.8m/s2. The gravitational constant for the planet Mongo is 20 m/s2. If an object has a mass of 10 kg on earth, what is its mass on Mongo?
  69. PHYSICS

    assume you have a mass of 100 kg on earth. on the moon, where the gravitation of the moon is 1/6 gravitation of the earth, what is your mass on the moon and what is your weight on the moon
  70. AP Physics

    An object has a mass of 80 kg on earth. the acceleration of gravity on Mars is about 1/4 of the acceleration of gravity on Earth. What is the weight of the object on Mars?
  71. physics

    a 2000kg car travelling west with a speed of 20m/s collides at an intersection with a 3000kg car travelling south at a speed of 20m/s. find the direction and magnitude of the velocity of the wreckage after the collision, assuming the collision was
  72. social studies

    Who wrote the Virgin Islands national anthem Anastasia, have you done a google search on the Virgin Islands to find the answers to your questions? You might start there first. yes i did but i didn't find what i neededto find Ok, here's what I found for the
  73. Geography

    5. Although politically united with England since 1907, Scotland has retained all of the following except its own a. system of laws b. religion c. parlimentary system d. system of education I think this can either be A or C 6. Most of the Nordic region has
  74. science

    Which of the following best supports the idea that the melting of glaciers in Antarctica is a global environmental threat? A. The melting of glaciers can cause sea levels on Earth to fall. B. The melting of glaciers can change ecosystems in Antarctica. C.
  75. physics

    1.) A squirrel found a pile of nuts 80 meters from its nest. The squirrel made one trip from its nest to the pile. The squirrel with nuts in its mouth headed back towards the nest for 35 meters when it saw a cat. Seeing the cat, it dropped its nuts and ran
  76. HISTORY PLEASE HELP!!!!!!!!!!

    *** = my answer choice. 1. Which of the following best describes the Klu Klux Klan during Reconstruction? A. a gun club for former Confederate Soldiers. B. a secret political terrorist organization. C. a social group whose members masqueraded in sheets and
  77. Physics

    A pulsar is a rapidly rotating neutron star that continuously emits a beam of radio waves in a searchlight manner. Each time the pulsar makes one revolution, the rotating beam sweeps across the earth, and the earth receives a pulse of radio waves. For one
  78. physics

    A satellite is in a circular earth orbit that has a radius of 6.63E+6 m. A model airplane is flying on a 16.4 m guideline in a horizontal circle. The guideline is nearly parallel to the ground. Find the speed of the plane such that the plane and the
  79. ALGEBRA

    1. Many people know that the weight of an object varies on different planets, but did you know that the weight of an object on Earth also varies according to the elevation of the object? In particular, the weight of an object follows this equation: , where
  80. physics

    A star the size of our Sun runs out of nuclear fuel and, without losing mass, collapses to a white dwarf star the size of our Earth. The radius of our Sun is 6.96×108m , the radius of Earth is 6.37×106m If the star initially rotates at the same rate as
  81. Physics

    A star the size of our Sun runs out of nuclear fuel and, without losing mass, collapses to a white dwarf star the size of our Earth. The radius of our Sun is 6.96×108m , the radius of Earth is 6.37×106m . If the star initially rotates at the same rate as
  82. ap physics

    A star the size of our Sun runs out of nuclear fuel and, without losing mass, collapses to a white dwarf star the size of our Earth. The radius of our Sun is 6.96×108m , the radius of Earth is 6.37×106m . If the star initially rotates at the same rate as
  83. Calculus

    Answers to any of these questions would be of great help! (: 1 a) At noon, ship A is 150km west of ship B. Ship A is sailing south at 50km/h and ship B is sailing north at 30km/h. How fast is the distance between the ships changing at 4:00pm? b) A
  84. Calculus

    Answers to any of these questions would be of great help! (: 1 a) At noon, ship A is 150km west of ship B. Ship A is sailing south at 50km/h and ship B is sailing north at 30km/h. How fast is the distance between the ships changing at 4:00pm? b) A
  85. History

    34. Designed as an attempt to secure the loyalty of the French to their new rulers, this act broke new ground in toleration and statesmanship. Unfortunately for the British, the Americans saw only sinister designs. This act was the a. Treaty of Paris, 1783
  86. Social Studies

    1.Which of the following was once a dutch country? A)Maryland B) Rhode Island C) Philadelphia D)New York City*** 2.the Franciscan monk who worked for the rights of native Americans was A) Robert de la salle B) Jacques Marquette C) Louis Joleit D) Juniper
  87. Social Studies

    I have this assignment for ss that is due on monday. Here it is (the assignment paper) LETTER TO QUEEN ISABELLA In 1492, Queen Isabella of Spain provided an Italian explorer and navigator, Christopher Columbus with 3 small ships the Nine, The Pinta, and
  88. Science

    Where does magnetism comes from? Magnetic forces arise from the movement of electrons (electric charge). In case you want it, here is more information on magnetism. http://en.wikipedia.org/wiki/Magnetism http://www.phy6.org/Education/Imagnet.html
  89. PHYSICS HELP

    Suppose the aliens watching the show are on the surface of Mars. Mass of Mars: 6.42 x 10^23 kg Radius of Mars: 3.394 x 10^6 m Calculate; A) the weight of a 40.0 kg alien on Mars B) the weight of 40.0kg alien on earh Earth-sun distance:1.50x10^11m Mars-sun
  90. Science

    The diagram below shows a process in Earth's crust. Which of the following statements best describes the process in the diagram. A Converging plates from Mountains B Converging plates from Volcanoes C Diverging plates form Mountains D Diverging plates form
  91. MAT/117- Appendix E

    Answer the following questions. Use Equation Editor to write mathematical expressions and equations. First, save this file to your hard drive by selecting Save As from the File menu. Click the white space below each question to maintain proper formatting.
  92. Physics

    Two main strategies are employed to deflect an asteroid: destruction or slowing it down by at least 425 s so that the earth can move out of the impact zone. Assume perfect inelastic collision. (a) If we know the speed of the asteroid (va), mass (ma), and
  93. Math (pre calc)

    You have recently been promoted and are now a senior pilot with BHS Exprress, providing courteous and timely service to countless cities across the Northeast. In order to arrive in New York City at the scheduled time, you know you must fly at a speed of
  94. 7th grade Social Studies Ms. Sue please!

    This homework question was removed due to a copyright claim submitted by Connections Education. My answers: 1. organize information. 2. enough detail. 3. Earth's tilt and orbit 4. new landforms. 5. latitude. 6. polar. 7. birth rates and death rates. 8.
  95. Math

    The weight of an object on the planet Mercury is about 2/5 the weight of that object on the Earth. An object that weighs 30 pounds on Earth would weigh how many pounds on Mercury?
  96. Math

    I need some help on figureing out how to answer these problems please i have never done this type of math before thank you Find the discount and total to be paid for each of the following: Amount Terms When Paid Discount Total $2.000 3/30 22 days $400 2/10
  97. Physics

    The moon rotates about its axis every 27.3 days and orbits the earth every 27.3 days. A) what is the moment of inertia with respect to its axis? B) What is the moment of inertia with respect to the earth? C) What is the moons angular momentum with respect
  98. Chemistry

    What assures that there is no charge build up in a voltaic cell as oxidation and reduction occur? one of the half cells the electrolyte solutions*** the moving electrons the salt bridge
  99. Science

    In a wet type of voltaic cell, what is the electrolyte? a. a bridge made of salt b. a copper strip c. an acidic liquid d. a spontaneous flow of electrons A believe the answer is C
  100. chemisry

    A solid metal is described as having "AN ARRAY OF POSITIVE IONS IN A SEA OF ELECTRONS". Write down the electronic structure of a magnesium atom and use it to explain what this PHRASE means? can you please help me with this question thanks