1. Physics

    The mass of Venus is 0.8140 times that of earth, and its radius is 0.950 times that of earth. Calculate the acceleration of gravity at the surface of Venus. Express your answer in g's (i.e. as a ratio to our acceleration of gravity). 9.01×10-1 is the

    asked by Andy on October 11, 2009
  2. social studies { somebody please help me please

    1. What was the effect of world war I on south Carolina ? a. The state economy shrunk significantly.** b. Citizens used more resources, such as meat and fuel, than before war. c. Factory production slowed and trade decreased with other countries d. Some

    asked by hellooo kitty on April 11, 2016
  3. Social Studies

    1. What was the effect of world war I on south Carolina ? a. The state economy shrunk significantly. b. Citizens used more resources, such as meat and fuel, than before war. ** c. Factory production slowed and trade decreased with other countries d. Some

    asked by Sierra Elizabeth on April 11, 2016
  4. English

    In my class we're doing abbreviations, and I'm entirely stuck on this one. The abbreviation is NAmlnd. I'm guessing the first two words is North America, and I'm not sure what the last four letters stand for. Since this came from a crossword puzzle, in

    asked by Marisol on January 3, 2007
  5. Physics Urgent!!

    A day on Mars is 24.6 Earth hours long. A year on Mars is 687 Earth days long. How do the angular velocities of Mars’ rotation and orbit compare to the angular velocities of Earth’s rotation and orbit? w(M)/w(E)= and w(My)/w(Ey)= w is what I used to

    asked by Roberto on April 7, 2011
  6. Science

    compare the number of valence electrons an oxygen, O, atom has with the number of valence electrons a selenium, Se, atom has. are oxygen and selenium in the same period or group?

    asked by Ally on January 23, 2011
  7. Physical science

    Compare the number of valence electrons an oxygen atom has with the number of valence electrons a selenium atom has. Are oxygen and selenium in the same period or group?

    asked by Anonymous on February 9, 2011
  8. Chemistry-atoms

    A. How many protons are in one atom of fluorine - 19? B. How many neutrons are in one atom of potassium - 39? C. How many electrons are in one neutral atom of V - 51? D. What is the symbol for the element that has 78 protons? E. What is the symbol for the

    asked by Anne on April 14, 2011
  9. Physical science

    Compare the number of valence electrons an oxygen atom has with the number of valence electrons a selenium atom has. Are oxygen and selenium in the same period or group?

    asked by Anonymous on February 9, 2011
  10. Physical Science

    Compare the number of valence electrons an oxygen, O, atom has with the number of valence electrons a selenium, Se, atom has. Are oxygen and selenium in the same period or group?

    asked by Janisha on November 29, 2008
  11. chemistry

    I need help on a few of these. A. How many protons are in one atom of fluorine - 19? B. How many neutrons are in one atom of potassium - 39? C. How many electrons are in one neutral atom of V - 51? D. What is the symbol for the element that has 78 protons?

    asked by mary on April 14, 2011
  12. chem

    how would you find the answer? A carbon nucleus has six protons and six neutrons. How many electrons would it take to equal the mass of a carbon nucleus?

    asked by hannah on December 6, 2010
  13. physics

    A flock of ducks is trying to migrate south for the winter, but they keep being blown off course by a wind blowing from the west at 11{\rm m/s} . A wise elder duck finally realizes that the solution is to fly at an angle to the wind.If the ducks can fly at

    asked by ade yinka on September 27, 2012
  14. physics

    1. the pilot of a private plane flies 20km in a direction 60 degrees north of east,then 30km straight east,then 10km straight north.how far and in what direction is the plane from the starting point. 2. two forces acts on a point object as follows 100N at

    asked by oluwatoyin on October 30, 2011
  15. physics

    1. the pilot of a private plane flies 20km in a direction 60 degrees north of east,then 30km straight east,then 10km straight north.how far and in what direction is the plane from the starting point. 2. two forces acts on a point object as follows 100N at

    asked by oluwatoyin on October 30, 2011
  16. physics

    1. the pilot of a private plane flies 20km in a direction 60 degrees north of east,then 30km straight east,then 10km straight north.how far and in what direction is the plane from the starting point. 2. two forces acts on a point object as follows 100N at

    asked by oluwatoyin on October 30, 2011
  17. Astronomu

    1. There is a common misconception about why the Earth is cold in the winter and warm in the summer. Some believe that this is because the Earth, in its elliptical orbit, is closer to the Sun in the summer and farther away in the winter. The argument is

    asked by Gerson on July 15, 2012
  18. check geo

    in western africa a ______is welcome after heavy summer rains. A)monsoon B)pula C)harmattan D)wet season my choose is c as one moves away from the equator, climates change from: A)savanna to rain forest B)tropical to steppe and desert C)steppe to wetter

    asked by henry on September 10, 2009
  19. physics

    1. which of the following is not true about magnetic field lines a) mag. field lines flow from North to South inside the magnet b) mag. field lines do not cross c) mag. field line density is proportional to field strength d) mag. field is strongest closest

    asked by Liz on July 12, 2014
  20. Accounting

    Based on the following production and sales estimates for May, determine the number of units expected to be manufactured in May. Estimated inventory (units), May 1 20,000 Desired inventory (units), May 31 15,000 Expected sales volume (units): South region

    asked by Anonymous on July 14, 2013
  21. physics problem!!

    If the water molecules in 5.70 g of water (H2O) were distributed uniformly over the surface of the Earth, how many such molecules would there be on 1.40 cm2 of the Earth's surface? -Molar mass Hydrogen gas(H2)=2.02 g/mol -Molar mass Oxygen gas (O2) = 32.0

    asked by boom on April 9, 2013
  22. physics

    Two satellites are orbiting the Earth in stable circular orbits. Satellite A has a mass m and is located at a distance 2r from the center of the Earth. Satellite B has a mass 2m and is located at a distance r from the center of the Earth. Which one of the

    asked by Sam on June 8, 2014
  23. physics

    An object in the vacuum of space orbits the earth at a fixed speed in a circular orbit several hundred miles above the earth. What can we conclude about the reaction force? I think the answer is B but not sure. a) That there is no reaction force-the net

    asked by maggie on November 23, 2009
  24. Geometry 1

    Ship A and Ship B leave from the same point in the ocean. Ship A travels 150 mi due west, turns 65° toward north, and then travels another 100 mi. Ship B travels 150 mi due east, turns 70° toward south, and then travels another 100 mi. Which ship is

    asked by Anonymous on February 14, 2016
  25. Physics

    A polar satellite is launched at 850km above earth.Find its orbital speed.

    asked by Obaid on August 5, 2018
  26. Physics

    A polar satellite is launched at 850km above earth. Find orbital speed.

    asked by Obaid on August 5, 2018
  27. physics

    a polar satellite is launched at 850 km above Earth .find its orbital speed.

    asked by Arshia fatima on June 18, 2013
  28. Physics 202

    Find the period of a satellite with a circular orbit 350 above Earth's surface.

    asked by Tamar on February 7, 2013
  29. spanish

    does anyone know the story called " What ought a man to do on earth" It is from penn foster. Can I find it on the Internet if so where

    asked by Kay on May 12, 2010
  30. physics

    A person can jump to a height of 1.5m on surface of earth. Find the velocity with which he jumps.

    asked by rakshit on December 20, 2014
  31. Physics

    A polar satellite is launched at 850 km above earth.find its orbital speed

    asked by Hifza ijaz on May 28, 2018
  32. help!!!!

    A navy destroyer is exactly 68 miles North of an aircraft carrier, which is travelling West 21 degrees North at 18 mph. what speed and bearing must the destroyer maintain if it is to reach the aircraft carrier in exactly 3 hrs? is it 226mph?

    asked by bob on December 8, 2011
  33. pre calc

    A navy destroyer is exactly 68 miles North of an aircraft carrier, which is travelling West 21 degrees North at 18 mph. what speed and bearing must the destroyer maintain if it is to reach the aircraft carrier in exactly 3 hrs? is it 226mph?

    asked by jim on December 8, 2011
  34. pre calc

    A navy destroyer is exactly 68 miles North of an aircraft carrier, which is travelling West 21 degrees North at 18 mph. what speed and bearing must the destroyer maintain if it is to reach the aircraft carrier in exactly 3 hrs? is it 226mph?

    asked by xiolin on December 8, 2011
  35. Physics

    To reach city A, you travel north for 2.00 hours covering 80.0 miles. You then turn due east and travel 45.0 minutes for another 20.0 miles to reach your destination. On the first leg of your trip (traveling north), what is your speed?

    asked by Isis on June 12, 2013
  36. pre calc

    A navy destroyer is exactly 68 miles North of an aircraft carrier, which is travelling West 21 degrees North at 18 mph. what speed and bearing must the destroyer maintain if it is to reach the aircraft carrier in exactly 3 hrs?

    asked by colonel smith on December 8, 2011
  37. Physics

    A radar station locates a sinking ship at range 16.0 km and bearing 136° clockwise from north. From the same station, a rescue plane is at horizontal range 19.6 km, 155° clockwise from north, with elevation 2.35 km.

    asked by C on September 6, 2015
  38. physics

    A car is driven east for a distance of 49 km, then north for 35 km, and then in a direction 33° east of north for 27 km. Draw the vector diagram and determine the total displacement of the car from its starting point. What is the magnitude and direction?

    asked by Anonymous on September 10, 2010
  39. Physics

    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. Degree north of east? 2. M/S?

    asked by Sean on February 3, 2014
  40. social studies

    what kind of civilivation did north america develop This question is FAR too broad. There were many, many groups of people (and therefore civilizations) that developed in what we now call North America. You'll need to decide on one or two groups to

    asked by jasmine on January 9, 2007
  41. physics

    A car is driven east for a distance of 49 km, then north for 35 km, and then in a direction 33° east of north for 27 km. Draw the vector diagram and determine the total displacement of the car from its starting point. What is the magnitude and direction?

    asked by Melisa on September 10, 2010
  42. Reading

    The Kepler spacecraft was designed to investigate humanity last unexplored frontier the far reaches of space. The NASA space telescope looks deep into the Milky Way galaxy for the sign of habitable planet where a human can potentially thrive, in the

    asked by Anonymous on February 15, 2018
  43. U.S.History

    please check my answer for this question What problems in the North led to reform movements of the early 1800s? Poverty, alcoholism, illiteracy, overcrowded housing, poor health care, abuse of women, and declining moral values were growing pains that first

    asked by Bella on February 16, 2009
  44. main ideas

    Scientists generally agree that Earth is getting warmer due to what's called the greenhouse effect. A greenhouse used for plants stays warm because sunlight and heat coming through the glass roof are mostly trapped. The heat doesn't radiate back into the

    asked by bob on September 6, 2013
  45. chemistry help!!

    For each of the following pairs, indicate which element has the larger first ionization energy Mg or Al. i put Mg. Repulsion of paired electrons in Mg is more significant than Al's higher effective nuclear charge. but got it wrong. Al. Repulsion of paired

    asked by Samantha on November 20, 2012
  46. physics

    Four ropes are tied to a stake, and each is pulled toward a compass direction, N, S, E, or W. A force of 10 lb is applied to the rope pulled toward the east. Forces of 20, 30, and 40 lb are applied toward the south, west, and north, respectively. What is

    asked by john on September 22, 2009
  47. physic

    Hi,could anyone help me with this questin please. Thank you so much. some folks on your planet waant to travel to the moon.But what happens to their clocks, it they leave the Earth?for other bodies, like the moon or planets the acceleration due to gravity

    asked by Chan on November 20, 2009
  48. physics

    Relative to the air, a jet is flying 230 mph due North. But if the wind is blowing 130 mph at 32 degrees north of east, then what is the velocity of the jet relative to the ground? 1. magnitude 2.direction

    asked by Cali on June 1, 2018
  49. Physics

    1. I have vector A = 700 grams at 15 degrees north of east; what is A's component in the East Direction? (Answer with three significant figures. 7. I have vector A = 700 grams at 15 degrees north of east; what is A's component in the North direction? 1.

    asked by Nisar on August 29, 2005
  50. chem

    There are several exceptions to the octet rule found along the transition and rare earth metal sections. These exceptions are tied to the observed phenomenon that atoms are more stable if orbital systems are either whole or half filled. In other words, the

    asked by Alexa on November 19, 2006
  51. Math

    You are going hiking in Brown County State Park this weekend and want to plan your route to Lake Monroe. Starting from the parking lot, you plan on hiking 2300 m due west, 17500 m due south, 1900 m due east, and 1200 m due north. What will be the total

    asked by Mark on September 19, 2017
  52. Pythagoras

    An aeroplane flies 520 km north 45 degrees west then 387 km east . it is then noted that the plane is due north of its starting point. how far is the plane from its starting point? How do I work it out?

    asked by Difficult on February 14, 2015
  53. Advanced Maths (Vectors) AQA Level, please help?

    Two ships, A and B st out from port O simultaneously. A travels due north at 16 km/h, B due east at 13 km/h. The ships radio have a rang of 120. For how long would they remain in contact if B had travelled north-east

    asked by jat on February 12, 2012
  54. Physics

    How far above the surface of the Earth does an object have to be in order for it to have the same weight as it would have on the surface of the Moon? (Ignore any effects from the Earth's gravity for the object on the Moon's surface or from the Moon's

    asked by Max on February 22, 2010
  55. Physics :(( help please TT

    The space shuttle had a top orbital speed of 8000 m/s and orbited in a circular orbit approximately 320 km above the earth's surface. How long was one orbit in seconds? Details and assumptions The radius of the earth is 6370 km.

    asked by OIan on April 16, 2013
  56. physics

    If the earth doubled in mass but stayed the same size, what would be the acceleration due to gravity at the surface? m/s2 The dimensions of the earth as we currently know it are: Mass = 5.98E24 kg, Radius = 6.38E6 m and the universal gravitational constant

    asked by Girma on September 23, 2014
  57. science

    The thermal energy of volcanoes and natural hot springs comes from trace amounts of radioactive minerals in common rock in the Earth's interior. Why isn't the same kind of rock at the Earth's surface warm to the touch?

    asked by Ashton on January 30, 2008
  58. Physics

    A orbiting satellite stays over a certain spot on the equator of (rotating) Earth. What is the altitude of the orbit (called a "synchronous orbit")? Write the equation for the period of a satellite in terms of the distance from the Earth's center. It is a

    asked by winterWX on February 16, 2007
  59. English

    1. The sun goes around the earth. 2. The Sun goes around the Earth. [Do we have to capitalize 'sun' and 'earth'? Which one is commonly used?]

    asked by rfvv on October 26, 2017
  60. Physics

    What is the average linear speed of the Earth about the Sun? (The distance from the Sun to the Earth is 1.50 1011 meters. The orbital period around the Sun is 365.3 days.)

    asked by Max on March 2, 2010
  61. physics

    What is the average linear speed of the Earth about the Sun? (The distance from the Sun to the Earth is 1.50 1011 meters. The orbital period around the Sun is 365.3 days.)

    asked by caroline on May 12, 2014
  62. physics

    mass of planet is half that of earth and radius of planet is one fourth that of earth if we plan to send an artificial satellite from planet the escape velocity will be in km/s

    asked by sujatha on October 26, 2017
  63. physics

    what is the apparent angle the diameterof the moon subtends as seen from the earth in radians. average moon earth distance3.84*10e8 radius of the moon 1.74*10e6

    asked by jakkila on August 31, 2009
  64. Physics

    Consider points on the Earth's surface as sketched in the figure below. Because of the Earth's rotation, these points undergo uniform circular motion. Compute the centripetal acceleration at the following points.

    asked by Sierra on June 29, 2012
  65. Urgent physics help

    A plane flies 230 mph at 60 degrees north of west for 2.5 hours how far did the plane travel? how far west did it go? how far north did it go? how fast did it go west?

    asked by Anonymous on October 25, 2015
  66. Chemistry

    ---This was the previous one--- Substances A, B, and C can all act as oxidizing agents. In solution, A is green, B is yellow, and C is red. In the reactions in which they participate, they are reduced to A-, B-, and C- ions, all of which are colorless.

    asked by Gg on October 7, 2014
  67. physics

    still cant get this one? so damon i know you wanna help! or anyone else im open for suggestions haha Consider a spaceship located on the Earth-Moon center line (i.e. a line that intersects the centers of both bodies) such that, at that point, the tugs on

    asked by rory on December 21, 2007
  68. Physics

    On the Apollo 14 mission to the moon, astronaut Alan Shepard hit a golf ball. The acceleration due to gravity on the moon is 1/6 of its value on the earth (gravity on moon -1.633m/s2). On earth, golf balls are driven at about 70 m/s with a loft angle of

    asked by Arr-chan on April 29, 2014
  69. Chemistry

    1)How many protons and electrons are in a sulfate ion SO4^2- ? I know the answer is 48 protons and 50 electrons but i do not know how to get this from the ion. 2) What is the charge on a sulfide ion? The answer is -2 but im not sure why. Is sulfide always

    asked by Hannah on December 4, 2011
  70. Chemistry(Please help)

    1)How many protons and electrons are in a sulfate ion SO4^2- ? I know the answer is 48 protons and 50 electrons but i do not know how to get this from the ion. 2) What is the charge on a sulfide ion? The answer is -2 but im not sure why. Is sulfide always

    asked by Hannah on December 4, 2011
  71. science

    Which of the following would increase the effect of tides on Earth (high tides get higher, low tides get lower) - slowing the rate of rotation of the Moon. - increasing the rate of rotation of the Moon. *** - decreasing the distance between the Earth

    asked by maggie on September 23, 2017
  72. Chemistry

    How many electrons are transferred in the reaction of hydrogen peroxide with iron (II) ion in acidic solution to form iron (III) ion and water? I am not quite sure what the reaction is, but if you are going from Fe(2+) to Fe(3+), the Fe is losing one

    asked by Jessica on April 23, 2007
  73. Engineering science N4

    A ship is 100km north-west of cape town harbour and it sails directly north at a velocity of 30km/h in 8 hours.calculate its resultant speed with reference to the cape town harbour in magnitude and direction.

    asked by Mike on January 30, 2014
  74. college

    At the center of a 50 m diameter circular ice rink, a 75 kg skater traveling north at 2.5 m/s collides with and holds onto a 60 kg skater who had been heading west at 3.5 m/s. How long will it take them to get to the edge of the rink. Where will the reach

    asked by charlotte on December 1, 2010
  75. Physics

    A simple pendulum has a period T on the surface of planet Earth. When taken to the surface of planet X, the same pendulum has a period 2T. a) If the radius of planet X is 1/2 the radius of Earth, what is the mass of Planet X, relative to the mass of Earth?

    asked by Chan on May 15, 2011
  76. Physics

    A rocket has put your spacecraft in a circular orbit around Earth at an altitude of 350 km. Calculate the force due to gravitational between the Earth and the spacecraft in N if the mass of the spacecraft is 2450 kg.

    asked by Kay on October 11, 2015
  77. physics

    An Earth satellite moves in a circular orbit 616 km above the Earth's surface. The period of the motion is 96.8min. (a) What is the speed of the satellite? (b) What is the magnitude of the centripetal acceleration of the satellite

    asked by TNT on February 16, 2018
  78. physics

    How do I go about in solving this? A spy satellite is in circular orbit around Earth. It makes one revolution in 6.01 hours. (a) How high above Earth's surface is the satellite? ___ km (b) What is the satellite's acceleration? ___m/s2

    asked by jake on March 7, 2010
  79. science

    What is the average speed of a satellite given the following information. 1) The earth's radius = 6000 km 2) The satellite is 900 km from the earth's surface 3) The satellite's orbital period: 2 hours 4) Circumference = 2pr (p = 3.14) A) 6 km/s B) 10 km/s

    asked by Tori on February 10, 2014
  80. Physics

    Earth's moon is 3.8 X 10 8 m from the planet and is in freefall. Acceleration due to the Earth's gravity acting on the moon is 2.70X 10 -3. What is the moon's speed? How long does it take to make a complete orbit?

    asked by Julie on April 22, 2010
  81. physics

    A sports car weighing 600 kg travels North at 35 m/s. Running a stop sign, the car crashes into a 2000 kg truck traveling East at 20 m/s. The vehicles become locked together and travel 18 meters before stopping. Find the direction and the deceleration of

    asked by kala on June 1, 2016
  82. History

    1) drag and drop the characteristics to the correct European nation. Characteristics may be used more than once. imported enslaved Africans returned to choices list. claimed the east coast of South America conquered Peru imported enslaved Africans sugar

    asked by my chemical romance on December 11, 2018
  83. Physics

    A spy satellite is in circular orbit around Earth. It makes one revolution in 6.04 hours. (a) How high above Earth's surface is the satellite? (b) What is the satellite's acceleration?

    asked by Max on March 2, 2010
  84. science

    could someone pleassssse help me answer these questions? do we always see the same side of the moon and how do you know for sure? if the moon rotated just asa quickly as earth , would we see the same sides of the moon from earth?explian.

    asked by samamtha on February 17, 2011
  85. physics

    2.A spy satellite is in circular orbit around Earth. It makes one revolution in 6.02 hours. (a) How high above Earth's surface is the satellite? (b) What is the satellite's acceleration?

    asked by jimmyjonas on February 22, 2011
  86. physics

    gravity on the surface of the moon is only 1/6 as strong as gravity on earth. what is the weight of a 37 kg object on the earth? The acceleration of gravity is 10m/s answer in units of N

    asked by Anonymous on October 14, 2010
  87. Physics

    Gravity on the surface of the moon is only 1 6 as strong as gravity on the Earth. What is the weight of a 33 kg object on the Earth? The acceleration of gravity is 10m/s2 . Answer in units of N.

    asked by RImon on November 4, 2010
  88. College Physics

    A spy satellite is in circular orbit around Earth. It makes one revolution in 5.99 hours. (a) How high above Earth's surface is the satellite? (b) What is the satellite's acceleration?

    asked by Megan on September 25, 2009
  89. College Physics

    Gravity on the surface of the moon is only 1/6 as strong as gravity on the Earth. What is the weight of a 14 kg object on the Earth? The acceleration of gravity is 10m/s2 . Answer in units of N.

    asked by Jennifer on March 2, 2010
  90. Social Studies (please check Ms. Sue)

    Please check this. Thanks! 1. How did World War 1 benefit South Carolina's economy the most? a. The government improved transportation systems.*** b. The government opened military bases for training. c. The people of South Carolina bought Liberty Bonds.

    asked by SpitFireRedHead on May 2, 2016
  91. Physics

    In a vacuum, two particles have charges of q1 and q2, where q1 = +3.8C. They are separated by a distance of 0.37 m, and particle 1 experiences an attractive force of 4.7 N. What is the value of q2, with its sign? Two spherical objects are separated by a

    asked by Liz on August 26, 2013
  92. chem

    (5) In this experiment MnO4-is reduced to Mn 2+ by the unknown. What is the equivalent weight of MnO4- for this experiment? 52.68 (6) How many equivalents of electrons were transferred from the unknown solution? (7) What is the Normality of the 1.00 mL of

    asked by bry on October 27, 2011
  93. chemistry

    how would you draw a chemical bond representation for: NH4 plus 1 thanks for your help:) It is almost impossible to draw Lewis electron dot structures for ANY molecule or ion on these boards BUT here is a try.    H    : H:N:H+

    asked by Jillian on December 17, 2006
  94. modern physics

    Missiles are fired towards the earth from a spacecraft. The missiles are moving with a speed of 0.8c with respect to the spacecraft. If the spacecraft itself has a speed of 0.3c with respect to Earth, how fast are the missiles observed to travel with

    asked by gourav on March 19, 2017
  95. modern physics

    Missiles are fired towards the earth from a spacecraft. The missiles are moving with a speed of 0.8c with respect to the spacecraft. If the spacecraft itself has a speed of 0.3c with respect to Earth, how fast are the missiles observed to travel with

    asked by gourav on March 21, 2017
  96. PHYSICS math

    2. An airplane is 50,000 m above an observer and 2.1 km to the west of them and 1.5 km to the north of you. Determine the angle to the plane in the x – y axis and the total distance to the plane from you. Choose the x-axis east, y axis north, and z axis

    asked by MICHAEL T. on April 12, 2015
  97. Physics

    An airplane is 5,000 m above an observer and 2.1 km to the west of them and 1.5 km to the north of you. Determine the angle to the plane in the x – y axis and the total distance to the plane from you. Choose the x-axis east, y axis north, and z axis up.

    asked by Eugene on March 9, 2014
  98. math

    X is a point 2800 m East of Y. Due North of X is another point Z whose bearing from Y is N63°E. P is due North of Y and its bearing from X is N25°W. Calculate XZ and XP (give your answers to four significant figures)?

    asked by Wesley on May 8, 2016
  99. statistics

    The authors state that the heights of women in North America are normally distibuted with a mean of 65.0 and a standard deviation of 3.5 inches. I am 64.5 inches. Using the parameters above, what percent of women in North America are shorter than I am?

    asked by Maria on July 2, 2012
  100. physics

    An airplane is 50,000 m above an observer and 2.1 km to the west of them and 1.5 km to the north of you. Determine the angle to the plane in the x – y axis and the total distance to the plane from you. Choose the x-axis east, y axis north, and z axis up.

    asked by Iworlock on September 27, 2014