1. language arts

    Label as Cause & Effect 1. (Effect) When dropped, cats land on their feet. (Cause) Cats are extremely agile creatures 2. (Cause) Few mammals can care for themselves at birth. (Effect) Most mammals are born immature 3. (Effect) The sun has a powerful gravitational force (Cause...
  2. Physics

    A cart of mass m (including the mass of the crane) has a pendulum hanging from a crane attached to the cart. There is no friction due to the normal force, u = 0, or wheel bearings of the cart wheels. The cart is experiencing and applied force to the left of 10N. The ball at ...
  3. science

    How many valence electrons must a calcium atom lose to get 8 valence electrons? It must lose two electrons (the outside two "valence" electrons), then the next inner shell will have eight.
  4. Algebra 2

    How do you set up this?I am lost Find an equation for the linear model of the situation below and use it to make a prediction. A train is traveling north at a constant rate. At 3:00 P.M. it is 55 miles north of a city. At 4:15 P.M. it is 80 miles north of the city. If d ...
  5. physics

    Canadian snowbirds usually follow the I-15 at a speed of about 120 kilometers per hour. Canadian geese, on the other hand, migrate approximately along a north-south direction for well over a thousand kilometers in some cases, traveling at speeds up to about 100 kilometers per ...
  6. MATH!!!!!!!

    PLEASE HELP!!! A standard doorway measures 6 feet 8 inches by 3 feet. What is the largest dimension that will fit through the doorway without bending??? o and i also need work shown Do you mean what length of stick or pole would fit through a doorway? If so, find the ...
  7. Geometry ( helllppp pleaaassse )

    A point on the ceiling of a room is 12ft. from each of the vertices of a triangle on the floor whose legs are 6ft. A and 8ft. respectively. find the length of the ceiling. 2. With a 12ft. pole marked in feet, how can one determine the foot of the perpendicular let fall to the ...
  8. intro to physics

    I was wondering if you guys can help me with this question An airplance is traveling 835 km/h in a direction 41.5 degrees west of north. part a) find the component of the velocity in the northerly direction part b) find the same but in the westerly direction part c) how far ...
  9. math-TRIG

    1. Which angle measure is consistent with all of the following criteria? (i) The reference angle is 40°. (ii) The angle is more than one revolution. (iii) The angle's terminal side is in Quadrant II. (iv) The angle isn't positive. A. –580° B. –500° C. –220° D. 500° ...
  10. Chemistry

    A photoelectric experiment is performed by separately shining a laser of 450 nm (blue light) and 560 nm (yellow light) on a metal surface and measuring the number and kinetic energy of the ejected electrons. The threshold frequency of the metal is 6.00•10^14 Hz. a. Compare ...
  11. Chemistry

    A photoelectric experiment is performed by separately shining a laser of 450 nm (blue light) and 560 nm (yellow light) on a metal surface and measuring the number and kinetic energy of the ejected electrons. The threshold frequency of the metal is 6.00•10^14 Hz. a. Compare ...
  12. Science

    Water on Earth is either freshwater or saltwater. What is the percent ratio of freshwater to percent saltwater on Earth? A) 1% freshwater : 99% saltwater B) 3% freshwater : 97% saltwater C) 30% freshwater : 70% saltwater D) 50% freshwater : 50% saltwater I think it is either b...
  13. Physics

    A disk with a mass of 13 kg, a diameter of 25 cm, and a thickness of 8 cm is mounted on a rough horizontal axle as shown on the left in the figure. (There is a friction force between the axle and the disk.) The disk is initially at rest. A constant force, F = 70 N,is applied ...
  14. science

    how did the miners of chile get into the earth
  15. earth science

    What latitudes are most likely to see glaciers? A. 30° N and 30° S B. 10° N and 10° S C. 45° N and 45° S D. 90° N and 90° S
  16. Geography

    The study of the earth and its features
  17. earth

    What is the difference between a resource and a condition
  18. math

    If I am 11 years old on Earth,how old will I be in Mercury?
  19. science

    why does the moon have more craters than the earth?
  20. science

    how does the miners jobs help the earth
  21. Science

    Why are there so many different species on earth today?
  22. Earth science

    What is a relief map?
  23. science

    at what altitude the value of g becomes 3/4 of its value on the surface of earth ?
  24. physics

    what is gravitational field of the earth?
  25. physics

    At what altitude the value of g becomes 3/4 of its value on the surface of earth?
  26. science

    How Do the Earth's Four Subsystems Work Together?
  27. project

    save the earth with picture
  28. Science

    What are some bad things on Earth ?
  29. science

    where on earth is silver found? Thanks!
  30. Geography

    During the formation earth , from where does the water came ?
  31. Science

    Which of Earth sprees contain most of the mass?
  32. physics

    How far from Earth will Venus be today?
  33. astronomy

    on which planets would you weigh nearly the same as on earth?
  34. science

    which of earth's spheres extends into all others
  35. astronomy

    on which planets would you weih more than on the earth?
  36. Kumar

    What is the life of earth ? explain and why?
  37. science

    explain why earth has a moon
  38. histroy

    what is the name of the first set of humans that was on earth
  39. earth science

    soil maps are used to do what
  40. Science

    When did our Earth form to a planet? =]
  41. science

    What do earth`s plates float on?
  42. science

    where does the earth loose energy to ??
  43. Science

    Why the earth rotate each 24 hours?
  44. science

    will earth get smaller in the future?if does why?
  45. earth

    what is the chemical formula of chock?
  46. Science

    Which of earth's layers contains the most mass?
  47. earth

    What does the phrase "salt of truth" mean?
  48. earth science9volcanos0

    when a volcano becomes dormant it is...
  49. Earth Science

    How old is the Gneiss in Greenland?
  50. Science

    If we can't dig to the center of the earth, how do we know that is down there?
  51. science

    Most of Earth's rain and snow comes from where?
  52. earth

    WHEN DID PRIMORDIAL OCEANS FORM?
  53. earth

    i need a worksheet about " the past atmosphere"
  54. physics

    in the model ,how far away from the earth would the sun be?
  55. Science

    What is the lowest atmosphere on earth?
  56. science

    The Earth is a satellite of the sun? If not can you tell me what it is?
  57. early history

    Who were the first people on earth?
  58. Science

    Why is the earth's temperature different in different places?
  59. Physics

    What's earth's rotation period?
  60. Chemistry

    Most of the earth is made of what? Is it helium?
  61. space

    how many planets are smaller than earth
  62. science

    What causes daylight and night on Earth?
  63. earth

    How does time affect crystals?
  64. science

    what planet has almost the same density as earth?
  65. earth

    a suggestd answer to a question is a what
  66. physics

    at what attitude the value of g would become one forth than on the surface of the earth?
  67. Sciences

    Will al earth’s resources last forever?
  68. science

    When is the Earth farthest from the sun?
  69. earth

    how are dunes and canyons related
  70. Science

    what is the distance above Earth's surface?
  71. earth science

    A heterogeneous mixture is a
  72. 9th grade

    how earth rotates?
  73. science

    Is there any stars between the Earth and the Moon?
  74. earth science

    How do astronomers use satellites?
  75. Africa

    What is a deep trench in the earth
  76. Astronomy

    The precession of the Earth its causes, and its ramifications
  77. earth

    Explain the Nitrogen Cycle
  78. Science

    How do scientists know what the interior of the earth looks like when we have never seen it?
  79. science

    What are some causes for the changing of Earth's surface?
  80. Math Pythagorean

    A hiker goes 3 miles north, 2 miles east, one mile south, 4 miles east and then 2 miles north. After an injury, he sends his coordinates to a helicopter rescue team. If the helicopter starts at the same place as the hiker did, and it flew in a straight path to the hikers ...
  81. physics please help

    In a physics laboratory experiment, a coil with 170 turns enclosing an area of 10cm^2 is rotated from a position where its plane is perpendicular to the earth's magnetic field to one where its plane is parallel to the field. The rotation takes 5.0×10^2 s . The earth's ...
  82. Materials / Physics

    Find the force required to permanently deform (stretch such that it snaps back to >0.2% longer than original length) a .04 m diameter bar if YS = 1000 MPa.
  83. 8th grade

    A) light travels at approximately 186,000 miles per second. approximately how far will it travel in 1 minute? express your answer in scientific notation B) the sun is approximately 93,000,000 miles from the earth. about how long does it take light to travel from the sun to the...
  84. physics

    A hydraulic jack has an input piston with a diameter of 1.00 cm, and an output piston with a diameter of 6.00 cm. What weight (in N) can be lifted when a force of 45.8 N is applied to the input piston? Answer is 1650 N but I need someone walk me through the steps please.
  85. physics

    How many excess electrons must be distributed uniformly within the volume of an isolated plastic sphere 28.0 in diameter to produce an electric field of 1500 just outside the surface of the sphere?
  86. Physics

    An object of mass .550kg is lifted from the floor to a height of 3.5m at a constant speed. How much work is done by the lifting force (include units)? b.) How much work is done by the Earth on the object? c.) What is the net work done on the object? d.) What is the change in ...
  87. earth science

    air pollution in pennsylvania causes ______ in new england because the wind blows the pollution into new England. can someone please help, I cant find this anywhere.
  88. Hurricanes are very dangerous

    could you help me find something that will help me write a paragraph on hurricanes are very dangerous to earth and people causing tremendous devastation.
  89. Math (pleaseeeee answer I'm confused)

    1. A point on the ceiling of a room is 12ft. from each of the vertices of a triangle on the floor whose legs are 6ft. A and 8ft. respectively. find the length of the ceiling. 2. With a 12ft. pole marked in feet, how can one determine the foot of the perpendicular let fall to ...
  90. Mechanics AQA igher

    A ship is being steered due east. A current is flowing from north to south, so that the actual velocity of the ship is 12 km/h on a bearing of 120 degree . Find the speed of the current and still water speed of the ship
  91. physics

    IF a particular galaxys has a total mass of 10 to the 56 grams and the average star in that galaxy has a mass of 10 to the 35 grams, approximately how many stars are there in that galaxy? Give your answer to the nearest whole power of 10 by entering the exponent only. A ...
  92. physics

    if you were stationary in space at the same distance from the sun as the eath is, how much force would the sun be exerting on you? what would be your acceleration towrd the sun? what would be the sun's acceleration toward you? okay so im a little confused where to go with this...
  93. algebra

    You may have to convert from feet to miles several times in this assignment. You can use 1 mile = 5,280 feet for your conversions. 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 ...
  94. kv

    a man travel 3 km north ,3 km east again 1 km north find the final displacement
  95. Physics

    I have two I need help with! 1. An airplane is flying in a horizontal flight level at constant velocity, heading due east. If the weight of the plane is 2.6 x 10^4 N, what is the net force on the plane? a)-2.6x10^4 N b)2.6x10^4 N c)0.0 N d) that due to gravity, which is 2.5x10...
  96. Physics

    A disk with a mass of 18 kg, a diameter of 50 cm, and a thickness of 8 cm is mounted on a rough horizontal axle as shown on the left in the figure. (There is a friction force between the axle and the disk.) The disk is initially at rest. A constant force, F = 70 N,is applied ...
  97. physics

    a very strong girl runs 200 miles for several hours. After a brief rest she runs another 100 miles north. She stops for the night at a local bed and breakfast and the next morning ealks 75 miles directly south-east. Find the magnitude and direction of her displacement? (answer)
  98. AP Chem

    What is the electron configuration for carbon with sp hybridization? I have no idea. I know carbon has 4 electrons to use (6 electrons total, but 4 to move around for hybridization purposes), I know that the sp orbitals would take up two of the electrons, do the other two ...
  99. Physics

    A meteor has a speed of 90.0 m/s when 900 km above the Earth. It is falling vertically (ignore air resistance) and strikes a bed of sand in which it is brought to rest in 3.19 m. (a) What is its speed before striking the sand? (b) How much work does the sand do to stop the ...
  100. Physics

    In which of the following cases is the frequency of emitted radiation greatest? Electrons jump from third to second orbit Electrons jump from fourth to second orbit Electrons jump from first to second orbit Electrons jump from third to first orbit
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