# Two electrons are placed; one at north pole and other at south pole of earth. Find the force between them. Given diameter of earth= 12800 km.

99,694 results, page 99
1. ## cinquain poem

For social studies we had to make our own 4 topic of cinquain poems. I asked some people and not many knew this type of poem, but one person said it all seem good except for the last lines. Do you think I did the format corret? Thanks for your help

asked by liz on October 8, 2013
2. ## Physics-Please check

I'm trying to find the gravitational force of an electron at earth's surface. I know I say Fg = mass electron * gravity Gravity in this case is 6.673*10-11 m^2/kg^2 correct, not 8.93 * 10^-30N that we used for force of acceleration, right. I use the

asked by Melissa on April 10, 2011
3. ## Grammar

Rewrite the paragraph below, correcting errors in verb usage. (1) History books have learned us many facts about Sir Francis Drake.(2)Much of Drake's fame lays in his having sailed around the world.(3)What he done was amazing.(4)In 1577, sailing from

asked by Anonymous on April 15, 2013
4. ## Grammar

Rewrite the paragraph below, correcting errors in verb usage. (1) History books have learned us many facts about Sir Francis Drake.(2)Much of Drake's fame lays in his having sailed around the world.(3)What he done was amazing.(4)In 1577, sailing from

asked by Anonymous on April 15, 2013
5. ## alg

1. (20 points) Police use the equation to estimate the speed (s) of a car, in miles per hour, based on the length (x), of its skid marks upon sudden braking on dry asphalt. a. Solve this equation for d. b. A motorist is involved in an accident. The skid

asked by patricia on July 23, 2011
6. ## physics

An oil drop is stationary within an electric field of 490 V/m that is set up between two parallel plates. If the volume of the oil drop is 4 X 10 (-19) m3, how many excess electrons does it carry? (I'll give ya'll just one hint: the fundamental unit of

asked by ALICIA on June 29, 2012
7. ## physics 30

A flash of lightning transfers 1.5 x 10^9 Joules of energy through a potential difference of 5.0 x 10^7 Volts between a cloud and the ground. Calculate the quantity of charge transferred in the lightning bolt. How many electrons were transferred? Does this

asked by Martin on May 19, 2012
8. ## A&P

Compare ionic, covalent, and hydrogen bonding, and fully describe an example of each. Is this right and I need help with an example of a covalent bond. Ionic bond is formed from one metal and one non metal. It is a solid at room temperate. In an ionic bond

asked by Danielle on November 15, 2010
9. ## Chemistry

Which of the following is a bond in which a metal transfers one or more electrons to a nonmetal? ionic bond hydrogen bond metallic bond covalent bond

asked by Sara on December 1, 2015
10. ## Orbital Mechanics

Some help with this exercise please. If you could give an explanation and not only the answers it would be great!!! Besides the 3-2-1 rotation sequence, another very common sequence in spacecraft applications is the 3-1-3 rotation sequence in which the z

asked by ntae001 on January 23, 2015
11. ## math/117

Could someone look over this paper before I turn it in? Thanks Hint: Pay attention to the units of measure. 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

asked by Debbie on February 19, 2012
12. ## Math/117 University of Phoenix

Could someone look over this paper before I turn it in? Thanks Hint: Pay attention to the units of measure. 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

asked by Debbie on February 20, 2012
13. ## algebra

Could someone look over this paper before I turn it in? Thanks Hint: Pay attention to the units of measure. 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

asked by Debbie on February 20, 2012
14. ## science

find the gravitational force exerted by the sun on a 70 kg man located at the earth's equator a)at noon when the man is closest to the sun. b)at midnight when he is futherst from the sun. c)calculate the diferrence in gravitational acceleration due to the

asked by albert on January 21, 2016
15. ## Chemistry Plz hurrry

What are charateristic of a ionic bond and a chemical bond? An ionic bond is a type of chemical bond that involves gain or loss of valence (outer shell) electrons in order to attain stability. That is not what I am looking for but thanks anyway An ionic

asked by Smooches on December 1, 2006
16. ## World History

ummm... I need another map but I need to see the mountains and rivers above the Mediterranean sea.... thank you soo much!!! :] "Above the Mediterranean Sea" includes Spain, France, Italy, Greece, and Turkey, all of which border the Mediterranean on the

asked by Lynn on August 22, 2007
17. ## forensic science

Quantization is Interaction of electromagnetic radiation and matter at discrete energy levels The ion separator in a mass spectrometer Chemical ionization The bombardment of an analyte by a stream of energetic electrons Inelastic scattering My answer is

asked by Ann on June 16, 2017
18. ## Algebra 3 and trig

An ocean liner is 177 miles due west of lighthouse A. Lighthouse B is 265 miles due south of lighthouse A. Find the distance from lighthouse B to the liner and the bearing of the ocean liner from lighthouse B.

asked by Lauren on June 12, 2013
19. ## calculus

We know this is a piecewise function and we solved the first part, but we cannot figure out the other equation. A passenger ship leaves port sailing east at 16 mph. Two hours later, a cargo ship leaves the same port heading north at 12 mph. (a) Find a

asked by raymond on September 1, 2014
20. ## chemistry

The percent composition of iron in a sample of steel can be determined by dissolving a sample of steel in concentrated acid. The resulting solution is then titrated with a permanganate solution. When all of the iron has reacted with the permanganate, the

asked by manny on August 19, 2007
21. ## social studies HELP PLSS

1. Which of the following was the provision in the treaty of paris 1763? A.All french land in north america was being given to england B.All french land in north america was being given to spain C.All french land west of mississippi & louisiana were to be

asked by Randomer on August 18, 2016
22. ## physics

A proton travels to the east at 3.5*10⁶ m/s as it enters a region of uniform magnetic field. The magnitude of the magnetic field is 0.15 T and its direction is 30° north of east. Find the magnitude of the force on the proton at the moment it enters the

asked by uy on February 17, 2017
23. ## History

If someone says that Pilgrims didn't do much for us, what should we say to them? A. Tuxedos were invented because of those black and white outfits the Pilgrims wore. B.That Mayflower Compact they made was the first constitution ever written in North

asked by Jake on December 10, 2008
24. ## physics

Careful measurements of local variations in the acceleration due to gravity can reveal the locations of oil deposits. Assume that the Earth is a uniform sphere of radius 6370 km and density 5500 kg/m3, except that there is a spherical region of radius 1.7

asked by please on March 6, 2012
25. ## AED

I am a little confused on how I go about writing these? Go to the National Access Network website and review the educational funding issues for South Dakota. Try to find information about the affect of school choice options on educational funding. From DQ

asked by Jamie on March 5, 2014
26. ## Math

1. At midnight, you are 60 feet due north of Jonas. You run due east at ten feet per second. Jonas walks two feet per second due north. How many seconds after midnight is Jonas closest to you? What is the corresponding minimum distance separating you and

asked by Jane on March 29, 2015
27. ## Math

The CN Tower in Toronto, Canada, is the tallest free-standing structure in North America. A woman on the observation deck, 1150 ft above the ground, wants to determine the distance between two landmarks on the ground below. She observes that the angle

asked by Anonymous on January 20, 2013
28. ## Calculus! Please help me!

A person on a bicycle is 100 meters west of a person in a car. the person on the bike starts to ride at 8 meters per second directly east and at the same time the person in the car starts to drive directly north at 18 meters per second. Write the distance

asked by Sam on March 17, 2011
29. ## Us History

How did human history in North America during the period described in the prologue differ from the events of Asia, Eurasia, and Europe? Be specific. How were these differences important to the international state of affairs in 1450? You'll need to be more

asked by Kendra on November 30, 2006
30. ## physics

An archaeologist begins a trip by first walking 30km southeast from the campsite. He stops and sets up a temporal camp for the night. On the second day, he walks 60km in direction 60 degree north of east, at which point he discovers the ancient city of

asked by Chansa on May 4, 2016
31. ## East and Southeast Asian

1. Which of the following cities is located on the most densely populated island of Indonesia? A. Manila B. Bangkok C. Jakarta D. Kuala Lumpur 2. Distinguishing unique patterns of biodiversity in eastern and western areas of Southeast Asia, the Wallace

asked by Buddhms on November 7, 2014
32. ## physics- still confused.

A positively charged light metal ball is suspended between two oppositely charged metal plates on an insulating thread as shown below. After being charged once, the plates are disconnected from the battery. Describe the behavior of the ball. Thank you so

asked by Angela here again on February 28, 2011
33. ## SS

help me plzz and ill pay you back 3. All of the following acts were imposed on the colonies by the British EXCEPT (1 point) the Tea Act. the Intolerable Acts .the Salt Act.the Stamp Act. 4. South Carolina responded to the Intolerable Acts by __________. (1

asked by camil on November 11, 2016
34. ## marketing

The types of companies compete in the global marketplace: (1) international firms, (2) multinational firms, and (3) transnational firms. All three employ people in different countries, and many have administrative, marketing, and manufacturing operations

asked by nafees on November 30, 2014
35. ## check geo

which of the folowing is not a common element of traditional religious of this region A)a belief in a single supreme being B)a belief in anture spirits C)efforts to convert neighboring peoples D)the honoring of ancient ancestors my choose is b which

asked by henry on September 10, 2009
36. ## [+] (+) [-] PHYSICS PRE-AP 11th GRADE

A positively charged light metal ball is suspended between two oppositely charged metal plates on an insulating thread as shown below. After being charged once, the plates are disconnected from the battery. Describe the behavior of the ball. Could you

asked by Angela on February 25, 2011
37. ## PHYS 1112

A defibrillator is used during a heart attack to restore the heart to its normal beating pattern. A defibrillator passes 18 A of current through the torso of a person in 2.0 ms. a) How much charge moves during this time? b) How many electrons pass through

asked by Diane on February 11, 2010
38. ## chemistry

What is the correct answer? Question: An electroplating cell operates for 35 min with a current of 1.9 A. Calculate the amount, in moles, of electrons transferred. My work: Ne = It/F = 1.9A(2100 s)/9.647 x 10^4 C/mol = 3990/9.647 x 10^4 C/mol = 4136000

asked by What is the correct answer? on April 20, 2008
39. ## trig/precalc

a plane flies 810 miles form Franklin to Centerville with a bearing of 75 degrees (clockwise from north). then it flies 648 miles from centerville to rosemont with a bearing of 32 degrees. find the straight-line distance and bearing from rosemont to

asked by mimi on January 21, 2011
40. ## chemistry

What is the number of unpaired electrons for the following compounds: Cobalt (II) chloride Copper (II) chloride Iron (II) chloride Manganese (II) chloride Nickel (II) chloride Zinc chloride I don't know how to do this

asked by jessie on January 8, 2015
41. ## physics

A 1.50-V battery supplies 0.244 W of power to a small flashlight. If the battery moves 2.53 1020 electrons between its terminals during the time the flashlight is in operation, how long was the flashlight used?

asked by taryn on February 18, 2013
42. ## organic chemistry

plz tell me about natureof bonding and forces ,heat of hydrogen,anti bandister bonding electrons.primary bond,secondary bond and tertiary bond

asked by naila on April 16, 2011
43. ## Electricity

The best answer is c, but a is also true if the wavelength of the light is chosen correctly. The intensity of the light does not determine the emission of the electrons, the wavelength (energy of light photons) is what determines. c

asked by bobpursley on August 20, 2005
44. ## Science

The magnitude of the electrostatic force between two identical ions that are separated by a distance of 5.0A is 3.7×10^-9N. a) what is the charge of each ion? b) how many electrons are missing from each ion( thus giving the ion its charge imbalance)?

asked by Kikks on July 30, 2018
45. ## physics

the current in alightning strike is 7500A.the strike lasts for 240ms.calculate a,the charge in c ,which flows in the strike to the ground b,the number of electrons transferred to the ground

asked by suzy on March 2, 2016
46. ## physics

You are driving north on a highway. Then, without changing speed, you round a curve and drive east. Does your velocity change?

asked by sandra on August 31, 2011
47. ## language

the language from which the word mawkish derives is: a}new latin b}middle english c}low german d}old north french which one is it?

asked by britney on February 26, 2010
48. ## PHYSICS

IT TAKES YOU 9.5 MIN TO WALK AN AVREAGE VELOCITY OF 1.2 M/S TO THE NORTH FROM THE BUS STOP TO THE MUSEUM ENTRANCE. WHAT IS YOUR DISPLACEMENT?

asked by Susie on September 6, 2007
49. ## U.S. History

How many Indians were living in North American when Christopher Columbus arrived? Some sources say 1.2 million and others are 20, is there a definite amount?

asked by Tripper on August 6, 2016
50. ## physics

An airplane flies north at a constant speed for 6h and covers a distance of 2400km. What is the plane's velocity? The acceleration?

asked by Jordan on October 19, 2011
51. ## Physics

It takes you 9.5min to walk with an average velocity of 1m/s to the north from the bus stop to the museum entrance. What is your displacement?

asked by Anthony Smith on September 10, 2009
52. ## hist 1301

How did human history in North America during the period described in the Prologue differ from the events of Asia, Eurasia, and Europe?

asked by susan b on November 17, 2009
53. ## government

which was the most important reason for the social mobility that existed in the english colonies of North america during the 18th century

asked by Anonymous on January 3, 2008
54. ## Languge arts. (please help)

How does climate change affect North Carolina? I need to make an informative essay on this but im not sure how to go about it. ive already done some research but none of it really helped..

asked by Yuno Gasai on January 5, 2016
55. ## SOCIAL STUDIES

wHAT KIND OF PEOPLE LIVED IN THE EAST COAST OF NORTH AMERICA IN THE LATE 1600'S OR EARLY 1700'S?

asked by kAYLA on January 6, 2009
56. ## physics

if a 400g ball moving 1.2 m/s [north], receives an impulse that changes its direction and speed to 2.8 m/s [east], what is the change of momentum?

asked by maria on February 13, 2015
57. ## Physics

It takes you 10min to walk with an average velocity of 1.2m/s to the north from the bus stop to the restaurant entrance. What is your displacement?

asked by Abdullah on September 16, 2013
58. ## world geography

Which countries does the North European Plain run through? Belarus Bulgaria Croatia Macedonia Poland Russia

asked by Anonymous on September 8, 2011
59. ## History

How did human history in north america during the period described in the prologue differ from the events of asia,eurasia,and europe

asked by charjhb on September 8, 2009
60. ## social studies

Which geographical region in colonial North America was best known for its focus on agriculture and society based on English aristocracy?

asked by kamiwolfie on February 8, 2016
61. ## social studies-Amrican History

The studentwill describe the reasons, successes and failures of Englands first attempts to start colonies in North America.

asked by Alice on October 5, 2011
62. ## physics

A man walked 5cm east and 10cm north calculate the distance covered and the magnitude of his displacement

asked by Halima dandawaki on September 15, 2017
63. ## physics

A duck waddles 2.3m east and 7.0m north. what are the magnitude and direction of the ducks displacement with respect to its original position?

asked by bob on October 20, 2015
64. ## trigonometry

A motor boat moves in the direction N32degreeW for 3hrs. at 18miles per hour. How far north and how far west does it travel?

asked by Aki on October 28, 2014
65. ## history

true or false-Lincoln's decision to make the war a fight against slavery was widely popular in the North

asked by Crystal on November 10, 2009
66. ## u,s history

By the end of April 1975, which city fell to the North Vietnamese Army, leading to the unification of Vietnam?

asked by jay on April 15, 2014
67. ## U.S. History

How did human history in North America during the period described in the Prologue differ from the events of Asia, Eurasia, and Europe?

asked by Jamal on March 24, 2010
68. ## history

how were the differences from north america, asia, eurasia, and europe important to the international state of affairs in 1450?

asked by tasha on August 4, 2009
69. ## social studies

what phoenician colony of the north african coast fought three wars with the rome for control of the western mediterranean?

asked by bobbi on February 8, 2010
70. ## Statistics

There is a mean of 30.23 lbs with a standard deviation of 13.84. Calculate the probability that randomly selected mother in North Carolina gained

asked by Varonica b. Miller on April 9, 2013
71. ## science

Two points A and B are 85cm north and 60cm west of point charge of -45x10-3 respectively.Calculate the potential difference between A and B

asked by Minister Obonukut on October 13, 2013
72. ## physics

You are driving north on a highway. Then, without changing speed, you round a curve and drive east. Does your velocity change

asked by Anonymous on October 24, 2013
73. ## physics

A car travelled 7km40degree west of north and then 10km east.what is the resultant displacement using scale drawing

asked by Anonymous on October 16, 2016
74. ## physics

A vector points 34.8 degrees to the Northeast with magnitude 15. What are the north and east components that make up the remainder of the triangle?

asked by cindy on September 6, 2012
75. ## History

How did human history in North America during the period described in the Prologue differ from the events of Asia, Eurasia, and Europe?

asked by Joe on April 17, 2010
76. ## History

How did human history in North America during 12,000BC - 1000BC differ from the events of Asia, Eurasia, and Europe?

asked by Larry on October 19, 2007
77. ## social studies

What are muslim North Africans called? One name for them in history was Moors. http://dictionary.reference.com/browse/Moor

asked by Michelle on November 8, 2006
78. ## Physics

What is the period of a simple pendulum 83 cm long on the Earth?

asked by Andrew on March 11, 2013
79. ## physics

What is the weight on earth of a girl with a mass of 30kg?

asked by danny on March 21, 2009
80. ## Physics

If you weighed 112 N on the Moon where g=1.6N/kg, how much would you weigh on Earth?

asked by Marty on March 5, 2008
81. ## Science

How did early astronomers figure out how large the Earth really was? Thank you! :-)

asked by Cassie on March 17, 2009
82. ## SCIENCE

HOW THE SEASONS CHANGE AS EARTH REVOLVES AROUND THE SUN

asked by KRIS on November 29, 2007
83. ## earth science

Traditionally,how have different fields of earth science been studied?

asked by Alexandra on November 30, 2007
84. ## Physics

what is the weight of a 10kg object on the moon if it is 1/6 that of the earth?

asked by Eric on March 12, 2010
85. ## earth science

how are scientist approaching the study of Earth today?

asked by Alexandra on November 30, 2007
86. ## Science

Does the tilt of the earth changes throughout the year True or false

asked by Aye on February 14, 2018
87. ## social studies

what is one of the earth's seven large bodies of land is called what?

asked by shaina on September 23, 2009
88. ## Science

what is the source of energy entering Earth's atmosphere?

asked by Emma on January 23, 2009
89. ## science

what layer of the earth did the chile miners reach

asked by theresa on December 5, 2010
90. ## physics

At what altitude above Earth's surface would the gravitational acceleration be 3.0 m/s2?

asked by johnny on December 6, 2008
91. ## science

what would happen if inertia was the only force being acting on the earth?

asked by Alex on January 12, 2011
92. ## earth

How many minutes does it take for light from the sun to reach the earth?

asked by brad on March 22, 2011
93. ## Geography

Which of the following does not concern dividing up the earth into smaller section

asked by Casandra on September 4, 2018
94. ## Physics

If a rock weighs 783 N on earth, what is its mass? A. 87.0 B. 79.9 C. 78.6 D.77.5 Is it B?

asked by Amber on October 4, 2018
95. ## Science

why are lunar rocks used to determine the age of a earth.

asked by Sincere Boxley on December 7, 2016
96. ## science

If te earth did not turn how would the pattern of tides be affected

asked by ts on October 22, 2009
97. ## Physics

How do you calculate the earth's gravitational pull on astronauts?

asked by Harmon on January 19, 2012
98. ## physics

calculate the value of g at a height of 3600 km above the surface of the earth?

asked by aish on December 12, 2012
99. ## Science

Which of earth's spheres contains mountains,valley's, and other landscapes?

asked by Mike on February 9, 2017
100. ## climate change

What would our climate be like if the earth was shaped like a cube instead of a sphere? thanks

asked by Help me please on October 13, 2011