# 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.

99,837 results, page 9
1. ## Geography and Society

What is latitude? a. A measure of how far a given object is north or south of the Equator b. A measure of how far a given object is east or west of a location c. A measure of how far a given object is north or south from the Poles*** d. All of the above
2. ## Physics

The planet Tralfamador is a planet of mass M and radius R, and very thin atmosphere (neglect air resistance). A magnetic rail gun has been mounted on the surface of Tralfamador at the North pole. A projectile of mass m is fired from the magnetic rail of
3. ## Social Studies (Ms. Sue)

How did discrimination against African Americans in the North differ from discrimination in the South? My answer: In the North, public facilities there not segregated. However, blacks could not get housing in white neighborhoods and usually were denied
4. ## Physics

A weight of 340 N is suspended from a pole by means of a rod 4m long and a rope tied to one end 3m above. Find the tension on the rope the force of the rod.
5. ## physics

Find the magnitude and relative direction (e.g., NE, NW, SE, SW) of the velocity of an airplane relative to the earth, if the velocity of the airplane relative to the air is 165 km/hr. south to north and the wind velocity is 65 km/hr. at an 50o angle from
6. ## Math

How high is a pole if it casts a shadow 6 meters long when the sun is 30 degrees above the horizon?
7. ## Physics

What potential energy does a 60.0-kg gymnast acquire in climbing 5.00 m up a vertical pole? GIVEN: mg = 60 h/d = 5.00 m PE = mgh PE = (60)(5.00) PE = 300 J
8. ## Math

What is the potential energy in a body of mass 5kg on top of a pole 20metres high ?
9. ## Math

A railway engine starts shunting wagons by first going 1000 m North of railway station. It reverses and travels 1250 m South and then it again moves 600 m north. Finally moving 800 m South it comes to rest. How far is the engine from the station and in
10. ## Math

A railway engine starts shunting wagons by first going 1000 m north of railway station. It reverses and travels 1250 m south and then it again moves 600 m north. Finally moving 800 m south it comes to rest. How far is the engine from the station and in
11. ## Physics

k so question is one you have all answered previously, 3 different forces acting on a single mass, in north south and east directions. my particular forces are 11.3 N north, 20.4 N east, and 14.7 N south so to figure out the direction of acceleration in
12. ## physics

k so question is one you have all answered previously, 3 different forces acting on a single mass, in north south and east directions. my particular forces are 11.3 N north, 20.4 N east, and 14.7 N south so to figure out the direction of acceleration in
13. ## Please Please Help-Physics

I am having trouble figuring out this question: Part 1: A long staight wire carries a current due East. This wire creates, at point #1, a magnetic field that is derected at 40 deg below due South. From point #1, the wire is located: 50 deg below due North
14. ## SCIENCE(PHYSICS)

A TRAIN IS MOVING ON A STRAIGHT TRCK AND TRAVELS AT A SPEED OF 72KM/HR AND PASSES A POLE IN 3 SECONDS. FIND THE TIME TAKEN TO PASS A BRIDGE OF LENGTH 540m. PLEASE SOLVE THE QUESTION AND ANSWER IT AS I WAS NOT ABLE TO ANSWER IT.
15. ## geography

I do not mean to make it seem I an unappreciative for the help but can you look over my question again. Is Mexico City north or south of the Tropic of Capricorn? My answer I really do think was correct. I said Mexico City is north. On my map the Tropic of
16. ## maths

a train of length 100m runs at a speed of 120km/hr from north to south. another train of length 150m travels with a speed of 80 km/hr from south to north. what is the time required to cross each other ?
17. ## U.S. History

Which statement BEST distinguishes the Viet Cong from the North Vietnamese Army? A) The North Vietnamese Army fought beside the allied forces, while the Viet Cong fought against the allied forces. B) The North Vietnamese Army represented the political
18. ## History

Which statement BEST distinguishes the Viet Cong from the North Vietnamese Army? A) The North Vietnamese Army fought beside the allied forces, while the Viet Cong fought against the allied forces. B) The North Vietnamese Army represented the political
19. ## physics

k so question is one you have all answered previously, 3 different forces acting on a single mass, in north south and east directions. my particular forces are 11.3 N north, 20.4 N east, and 14.7 N south so to figure out the direction of acceleration in
20. ## physics

A 42 mT magnetic field points due west. If a proton of kinetic energy 9x10E-12 J enters this field in an upward direction, find the magnetic force acting on the proton in magnitude and direction. What magnetic force would an electron experience due to
21. ## math

Oregon is about 400 miles from west to east, and 300 miles from north to south. If a map of Oregon is 15 inches tall ( from north to south), about how wide is the map?
22. ## physics

How do you draw a force diagram for an object that is tied to a pole and is moving in a constant circular direction?
23. ## physics

you slide down a pole at a mass of 80kg with an acceleration of 4m/s^2, How do you show that the friction force that acts on you is 480N?
24. ## math

One seventh of a string was used to support a pole and 3/5 of the remainder was used to tie up a parcel.what fraction of the rope ramained?
25. ## Dental Assisting

What is the meaning or origin of the symbolf of dentistry. It's the triangle and circle with a snake wrapped around a pole.
26. ## geography

Upon the fall of constant in pole to the Ottoman Empire in 1453, was seen as the true inheritor of the Christian realm
27. ## Ap History

Hi i had these questions wrong :/ The North and South held different views toward slavery in 1850. What were they? a) The North believed in a free labor system and the South believed in a slave labor system. b)The South believed that black people were
28. ## Language Arts

"I'd wash the Amazon river and clean the oily Carib & Gulf of Mexico, Rub that smog off the North Pole, wipe up all the pipelines in Alaska, Rub a dub dub for Rocky Flats and Los Alamos, Flush that sparkly Cesium out of Love Canal" In this excerpt,
29. ## Social Studies

What was demonstrated by the First Battle of Bull Run? 1. That the North would win 2. That the South was better trained than the North 3. That African American Soldiers would be useful to the Union Army 4. That that the war would be long My answer: 1. That
30. ## physics

A car A is going north-east at 80km/h and another car B is going south-east at 60km/h. The direction of the relative velocity of A with B makes an angle of x with north find x
31. ## physics

The pendulum swings past the pole 14 times in 21 seconds. The weight of the bob is 10g. Calculate the period?
32. ## PHYSICS

A truck is traveling at 16 m/s to the north. The driver of a car, 500 m to the north and traveling south at 25 m/s, puts on the brakes and slows at 3.5 m/s2. Where do they meet? please help!! Let the truck position be X1 and the car position X2, measured
33. ## Math

The sea ice around the south pole fluctuates between 18 million square kilometers in September to 3 million square kilometers in March. During how many months are there more than 15 million square kilometers of sea ice?
34. ## Physics

A river flows due south with a speed of 2.00 m/s. A man steers a motorboat across the river; his velocity relative to the water is 4.20 m/s due east. The river is 800 m wide. What is the magnitude of his velocity relative to the earth? got it....4.65 m/s
35. ## Chemstry

I just copied this because i have a couple more questions on this part.... Sulfuric acid/ Lead Battery: -the electrodes for the battery are composed of Pb(s), PbO2, and/or PbSO4. What are the half reaction occuring at each electrode? include electrolysis
36. ## physics

An accelerating voltage of 2.46 * 10^3 V is applied to an electron gun, producing a beam of electrons originally traveling horizontally north in vacuum toward the center of a viewing screen 34.0 cm away. What is the magnitude of the deflection on the
37. ## math

a plane with an airspeed of 192mi/h is headed on a bearing of 121 degrees. a north wind is blowing (from north to south) at 15.9 mi/h . find the ground speed and the actual bearing of plane.
38. ## Math

a plane with an airspeed of 192mi/h is headed on a bearing of 121 degrees. a north wind is blowing (from north to south) at 15.9 mi/h . find the ground speed and the actual bearing of plane.
39. ## Physics

1 Most materials have weak magnetic properties because _____ a their paired electrons spin in opposite directions b their magnetic domains are aligned c their electrons spin d their atoms are electrically neutral 2 Which is a brittle material that is
40. ## Physics

Let vector A = (6.0 m, 300 south of east), vector B = (13.9 m, north), vector C = (5.0 m, 450 south of west).  Find the magnitude of vector D = A+B+C?
41. ## Physics

I am having trouble figuring out this question: Part 1: A long staight wire carries a current due East. This wire creates, at point #1, a magnetic field that is derected at 40 deg below due South. From point #1, the wire is located: 50 deg below due North
42. ## Phys 2

I am having trouble figuring out this question: Part 1: A long staight wire carries a current due East. This wire creates, at point #1, a magnetic field that is derected at 40 deg below due South. From point #1, the wire is located: 50 deg below due North
43. ## maths

Two places on the same meridian have latitudes 10 degree south and 53 degree north. What is their distance apart measured along the meridian?(radius of the earth R=6400km,pi=22/7)
44. ## science

An airplane pilot sets a compass course due west and maintains an airspeed of 225km/h . After flying for a time of 0.520h , she finds herself over a town a distance 122km west and a distance 15km south of her starting point. Part A Find the magnitude of
45. ## geography

1. What isthmus connects North and South America? The isthmus of Panama 2. What are the continents of the world arranged according to land size, largest to smallest? Asia, Africa, North America, South America, Antarctica, Europe, and Australia 3. What do
46. ## history

which statement best describes the location of south west Asia A( north of Australia, west of Europe B( west of Indian ocean, east of the Mediterranean sea C( south of artic circle, north of Antarctica D( east of Americas, west of Asia
47. ## Social studies

which statement best describes the location of south west Asia A( north of Australia, west of Europe B( west of Indian ocean, east of the Mediterranean sea C( south of artic circle, north of Antarctica D( east of Americas, west of Asia
48. ## addition vectors (physics)

75 km at 25° north of east, then 75 km at 65° south of west, and then 75 km due south
49. ## math

a railway train 100 m long is runing at the speed of 50km/hour in what time will it pass pole near the line?
50. ## math

a railway train 100m long is runing at the speed of 50km/hour in what time will it pass pole near the line
51. ## geometry

a 30 foot ladder leaning against a vertical wall makes an angle of 81 degrees with the ground how far from the base of the pole is the surveyor?
52. ## math

a railway train 100 m long is runing at the speed of 50km/hour in what time will it pass pole near the line?
53. ## Science

40 degrees north runs along 146th street on the north side of Indianapolis. What is the rotational velocity of the surface of the earth at 40 degrees north?
54. ## Social Studies

How did the wartime economies of the North and South compare? a. Goods and resources of the North b. Goods and resources of the South (the a and b are not answer choices I have to answer those in my answer for the main question)
55. ## physic

A swing ride at a carnival consists of chairs that are swung in a circle by 11.0-m cables attached to a vertical rotating pole, as the drawing shows. Suppose the total mass of a chair and its occupant is 164 kg, the angle θ = 58°. Find the speed of
56. ## Geography

48. Discuss the various patterns of prevailing wind in each area of latitude (low, middle, high) --I posted this yesterday and bobpursley told me I had some wrong information so I fixed up the essay a bit. Is it OK? The air movements toward the equator are
57. ## Geography

48. Discuss the various patterns of prevailing wind in each area of latitude (low, middle, high) --I posted this yesterday and bobpursley told me I had some wrong information so I fixed up the essay a bit. Is it OK? The air movements toward the equator are
58. ## Physics

17 km due north, then at 7° south of east, and then 15 km at west of south
59. ## math

An iceberg breaks off from the Antarctic continent and floats due north at constant velocity/ It's latitude south decreases by 1 degree in 8 days. Taking the circumference of the earth to be 40 000km, calculate the speed of iceberg in ms^-1.
60. ## english grammar

Teambuilding consensus when team decisions have to be making it is very important that every member of the team at least can live with it. Everybody must have had the opportunity to mention his arguments and everybody must have the feeling that his opinion
61. ## Physics

In order to handle a hot pizza of mass 1.0 kg, a cook slides a light (i.e., of negligible mass) but stiff spatula of length 2.0 m from the right hand to the center of the pizza, which he then carries horizontally with both hands. His right hand is at one
62. ## Physics

A helicopter hovers above the north magnetic field pole in a magnetic filed of magnitude 0.5G perpendicular to the ground. The helicopter rotors are 10m long, are made of aluminum, and rotate about the hub with a rotational speed of 10 000 rpm. What is the
63. ## Physics

A helicopter hovers above the north magnetic field pole in a magnetic filed of magnitude 0.5G perpendicular to the ground. The helicopter rotors are 10m long, are made of aluminum, and rotate about the hub with a rotational speed of 10 000 rpm. What is the
64. ## help please!

The sea ice around the south pole fluctuates between 18 million square kilometers in September to 3 million square kilometers in March. During how many months are there more than 15 million square kilometers of sea ice?
65. ## physics

The successive dis- placements are 5.7 m to the north, 6.3 m 45  north of east, and 9.3 m 50 west of south.
66. ## Physics

Consider a pendulum of length 4.557 m. The acceleration of gravity is 9.832 m/s2 . a) What is its period at the North Pole? Answer in units of s. b) What is its frequency? Answer in units of Hz. c) What is its period in Chicago, where g = 9.803 m/s2?
67. ## us history

ALL the following accurately characterize the advantages of the North and South EXCEPT: a. The Union had far greater industrial capacity, more railroads and more ships. b. The South had far more usable food supplies than did the Union. c. The Union had
68. ## physics

Using sidereal navigation, a pilot flies due south for one hour then due north one hour and lands about 180 miles west of where he started. At what point on Earth is he?
69. ## geography

Is the Tropic of Capricorn north or south of Mexico City? My answer is north. Is this correct?
70. ## Physics

A small compass is held horizontally, the center of its needle a distance of 0.460 m directly north of a long wire that is perpendicular to the earth's surface. When there is no current in the wire, the compass needle points due north, which is the
71. ## physics project

how to develop a Rube Goldberg machine that will (1) raising a flag on a pole and (2) squeeze a minimum of a 1 cm length of toothpaste on a toothbrush.
72. ## Math

At a certain time, a verical pole 10 feet tall casts a 14-foot shadow. What is the angle of elevation of the sun to the nearest degree?
73. ## Math

At a certain time a verical pole 10 feet tall casts a 14-foot shadow. What is the angle of elevation of the sun to the nearest degree?
74. ## physics

A "swing" ride at a carnival consists of chairs that are swung in a circle by 12.0 m cables attached to a vertical rotating pole, as the drawing shows. (θ = 61.0°) Suppose the total mass of a chair and its occupant is 196 kg. the tension is 3961.97N
75. ## north kansas city high school

Calculate the resultant of the pair of velocities 100km/h north and 75 km/h south. Calculate the resultant if both of the velocties are directed north.
76. ## Math

I don't understand where for North you put 3-1. The boat moved 1km South and 3km North. Is that how this was done?
77. ## AP Physics

A pole-vaulter approaches the takeoff point at a speed of 9.50 m/s. Assuming that only this speed determines the height to which he can rise, find the maximum height at which the vaulter can clear the bar.
78. ## trig

a tree casts a shadow 36 ft long. at the same timem the shadow cast by a vertical 7 ft pole is 4ft long. find the hight of the tree
79. ## trig

a tree casts a shadow 36 ft long. at the same timem the shadow cast by a vertical 7 ft pole is 4ft long. find the hight of the tree
80. ## Coll Discrete math 2

The four players in a game of bridge are called North, South, East, and West. What is the probability that East and West have no diamonds? (I.e., what is the probability that all of the diamonds are held by North and South?)
81. ## physics

A hiker starts at his camp and moves the following distances while exploring his surroundings: 70.0m north, 2.75 x 10^2m east, 130m at an angle 30.0 degrees north of east, and 1.50 x 10^2m south. a.) find his resultant displacement from camp. (take east as
82. ## Accounting

North Pole Cruise Lines issued preferred stock many years ago. It carries a fixed dividend of \$6 per share. With the passage of time, yields have soared from the original 6 percent to 14 percent (yield is the same as required rate of return). A. What was
83. ## math

North Pole Cruise Lines issued preferred stock many years ago. It carries a fixed dividend of \$6 per share. With the passage of time, yields have soared from the original 6 percent to 14 percent (yield is the same as required rate of return). A. What was
84. ## Chem

How would a Lewis Dot Structure be drawn for CO +1? I can't seem to get it to satisfy the octet rule and have the right number of electrons. How many electrons do you have? 1C = 1 x 4 = 4 electrons. 1O = 1 x 6 = 6 electrons. Total is 10 electrons. -1
85. ## English

I find it difficult to check these sentences since the punctuation is missing, the word choice is unclear and they contain grammar mistakes! I really hope you can help me. I think we need to simplify the sentences. 1) Mary Shelley's Frankenstein, unlike
86. ## Physics

a ship is heading due north at 7.50 m/s relative to the water. The local current is 1.52 m/s in a direction 42 degree west of north. Find its velocity relative to earth( find both direction and magnitude of the velocity)
87. ## Chemistry

Write the symbol for the elements that fit the following descriptions 1. 10 electrons in each -3 ion 2. 18 electrons in each +2 ion 3. The alkaline earth metal in the third period
88. ## arithmetic

you can email me if you want i have more. A man owned 75 shares of stock worth \$50 each. The corporation declared a dividend of 8 percent payable in stock. How many shares did he then own? 81 shares but how? If a scow is towed at the rate of 3 miles an
89. ## GEOMETRY

A PERSON STANDING 30 FEET FROM A FLAGPOLE CAN SEE THE TOP OF THE POLE AT A 35 DEGREE ANGLE OF ELEVATION. THE PERSON'S EYE LEVEL IS 5 FEET FROM THE GROUND. FIND THE HEIGHT OF THE FLAGPOLE TO THE NEAREST FOOT.
90. ## Physics

Peggy drives from Cornwall to Atkins Glen in 35 min. Cornwall is 73.4 km from Illium in a direction 24° west of south. Atkins Glen is 25.1 km from Illium in a direction 13° south of west. Use Illium as your origin. (a) Draw the initial and final position
91. ## Physics

On the map, let the +x-axis point east and the +y-axis north. An airplane flies at 990 km/h northwestward direction (i.e., midway between north and west). Find the components of its velocity. Repeat for the case when the plane flies due south at the same
92. ## Geometry

At a certain time of the day, a 4-meter-tall vertical pole casts a shadow of 3 meters. What is the angle of elevation, to the nearest degree, of the Sun?
93. ## Geometry

With a 12ft. pole marked in feet, how can one determine the foot of the perpendicular let fall to the floor from a point on a ceiling of a room 9ft. high?
94. ## math

to grandma's house -scott and his family live 15 km south of grandma. -steffi lives 20 km north of byron -robin lives 5 km south of scott -byron lives 10 km north of robin -caitlin lives 15 km south of byron Question: how far does each liv from grandma?
95. ## science(2 Qs)

PLEASE ANSWER MY 2 QUESTIONS IN SCIENCE THANKS 3.when a negatively charged object moves in the opposite direction of an electric force field,the potential energy of the object. A.becomes zero(I PICK THIS) B.increases C.decreases D.stays the same 4.the two
96. ## SCIENCE(PHYSICS)

a train is moving on a straight track n travels at a speed of72km/hr and passes a pole in 3 seconds. find the time taken by the train to pass the bridge of length of 540 m? Sir in the solution i understood why we will get27 sec. but why we will add 3 sec?
97. ## vectors

In an attempt to escape his island, Gilligan builds a raft and sets to sea. The wind shifts a great deal during the day, and he is blown along the following straight lines: 2.5 km 45° north of west; then 4.70 km 60° south of east; then 5.1 km straight
98. ## Earth Science

How to draw 40 degrees north and 70 degrees south with latitude and longitude. plez tell me how to draw it because im studying for a test and they tell me the questions I just need to know how to DRAW IT NOT WEBSITES BUT ITS STILL OK
99. ## physics

A 1700 kg car moving south at 19.5 m/s collides with a 2050 kg car moving north. The cars stick together and move as a unit after the collision at a velocity of 5.16 m/s to the north. Find the velocity of the 2050 kg car before the collision. m/s to the
100. ## maths

from a certain spot, the top of a triangle had an angle of elevation of 40 degree. move 15meter in a straight line towards the flag pole.Now to the top has an angle of elevation of 60degree.Find the height of the flagpole and it's distance from the second