# 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.

100,104 results, page 78
1. ## Social Studies

The economic loss which came through war was great, but not nearly as influential as the psychological change, the change in habit and thought... "The hatred of the Yankees was increased. The defeated Southern leaders were popular heroes. Numbers of

asked by Marylyn on April 29, 2015
2. ## 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

asked by linda on November 12, 2009
3. ## environmental science

A migratory bird corridor is the route birds take while migrating from north to south and back again. One of the busiest is along the Mississippi River. Check this site for a map and more information. http://www.msrivertn.org/recreation.asp What exactly is

asked by Ms. Sue on June 29, 2007
4. ## Language Arts

The River 1. I sit on the bank in my special place, 2. Feel the breeze that lifts my hair, 3. And watch the ripples run across the river. 4. It is so peaceful here. 5. Deep enough to justify a fishing pole, 6. Quiet enough for my every thought, 7. The

asked by Milkdud on March 21, 2018
5. ## physics

A hiker begins a trip by first walking 25.0 km southeast from her base camp. On the 2nd day, she walks 40.0 km in a direction 600 north of east, at which point she discovers a forest rangers tower. Find the magnitude and direction of displacement from base

asked by rah on November 7, 2014
6. ## History

1. Outside of Europe, the major scenes of battle in the Seven Years War were: A. North America and Africa. B. Central America and India. C. India and North America. D. Latin America and Africa. is it C 2. Which of the following statements is an accurate

asked by Any on February 10, 2014
7. ## Physics

A wheel spins on a horizontal axis, with an angular spped of 140rad/s and with its angular velocity pointing east. Determine the magnitude of the angular velocity after an angular acceleration of 35 rad/s^2, pointing 68 degress west of north, with a time

asked by Malcom on April 23, 2009
8. ## Physics

A wheel spins on a horizontal axis, with an angular spped of 140rad/s and with its angular velocity pointing east. Determine the magnitude of the angular velocity after an angular acceleration of 35 rad/s^2, pointing 68 degress west of north, with a time

asked by David on April 24, 2009
9. ## Physics

A wheel spins on a horizontal axis, with an angular spped of 140rad/s and with its angular velocity pointing east. Determine the magnitude of the angular velocity after an angular acceleration of 35 rad/s^2, pointing 68 degress west of north, with a time

asked by Malcom on April 23, 2009
10. ## Algebra

In 2003, NASA launched the rover Spirit onto the surface of Mars to explore our planetary neighbor. Near the end of January 2010, Mars was 99.33 million km away from Earth. Assume the speed of communication is at the speed of light, which is 300,000,000

asked by Elle on April 14, 2018
11. ## health

(A) identify and describe 3 environmental health hazards that cause ill health, crises, and or disaster within your community or any other community within south africa and globally. Include evidence that is current of the identified issues.( b)critically

asked by Mpho on May 6, 2013
12. ## science

Using various telescopes, astronomers discovered a giant star that is 100 times larger than the Sun, and is very hot. It is blue-white in color. Why does the Sun appear brighter than this larger star when viewed from Earth? - The Sun is older than the

asked by payton on January 10, 2018
13. ## science

Using various telescopes, astronomers discovered a giant star that is 100 times larger than the Sun, and is very hot. It is blue-white in color. Why does the Sun appear brighter than this larger star when viewed from Earth? - The Sun is older than the

asked by payton on January 10, 2018
14. ## Physics

A 23.7 kg child, with a 4.35 kg backpack on his back, first stands on a sidewalk and then jumps up into the air. Find the net force (positive up/negative down) on Earth due to the child when the child is (c) standing still and (d) in the air.

asked by Maria on March 5, 2017
15. ## Physics 12

I've been doing alot of extra questions for physics lately, and these four are still giving me trouble. Please help me out and help me solve them, including Free Body Diagrams if possible. 1. If a curve with a radius of 60m is properly banked for a car

asked by Joe on April 20, 2008
16. ## physics

A highway curve forms a section of a circle. A car goes around the curve. Its dashboard compass shows that the car is initially heading due east. After it travels 620. m, it is heading 30.0° south of east. Find the radius of curvature of its path.

asked by j on September 7, 2016
17. ## PHYSICS(HELP)

A satellite with a mass of ms = 7.00 × 103 kg is in a planet's equatorial plane in a circular "synchronous" orbit. This means that an observer at the equator will see the satellite being stationary overhead (see figure below). The planet has mass mp =

asked by Anonymous on October 17, 2013

Before electricity, nights in towns and fields were often times pitch black, except when there was a full moon. How many times brighter is the noonday sun than the full moon when the moon is at the closest point to the earth? Model the moon as a sphere of

asked by Dip on October 23, 2016
19. ## physics

1)The acceleration due to gravity on the moon is 1.67 m/s2. If a person can throw a stone 12.0 m straight upward o the earth, how high should the person be able to throw a stone on the moon? Assume that the throwing speeds are the same in two cases. The

asked by Genevieve on July 30, 2006
20. ## Physics

Can anyone explain this to me, it was on my exam and i don't get it ; A 14.0 kg crate is pulled up a rough incline with an initial speed of 1.6 m/s. The pulling force is 131.0 N parallel to the incline, which makes an angle of 12.3 ◦ with the horizontal.

asked by Johnnie on March 2, 2011
21. ## physics

The distance from earth to the center of the galaxy is about 22500 ly (1 ly = 1 light-year = 9.47 1015 m), as measured by an earth-based observer. A spaceship is to make this journey at a speed of 0.9995c. According to a clock on board the spaceship, how

asked by Damon on August 10, 2007
22. ## Essay

The War of the Worlds by H. G. Wells [1898] But who shall dwell in these worlds if they be inhabited? Are we or they Lords of the World? And how are all things made for man?- KEPLER (quoted in The Anatomy of Melancholy) BOOK ONE: THE COMING OF THE MARTIANS

asked by Halo4Records on May 27, 2014
23. ## Math

Earth has a new surface of 1.97x10^8 square miles. A new planet has a surface area 13 times the surface area of Earth. What is the surface area of the new planet? Do I multiply 1.97x13 or do I multiply 13x10^8? that's what i'm confused about.

asked by River Williams on October 23, 2012
24. ## trig

A satellite is in geostationary orbit 22,500 miles above the earth. IF the radius of the earth is 3,960 miles, how fast is the satellite moving in miles per day? How fast is the satellite moving in miles per hour?

asked by shawna on December 12, 2011
25. ## Science

The density of the sun's core is about 160 g/cm. The density of the earth's core is about 13.0 g/cm. About how many times denser is the sun's core than Earth's?

asked by Anonymous on January 25, 2013

A person standing on Mars would weigh 38% of his earth weight. What is the Mars weight of a person with an earth weight of 55 kilograms?

asked by Isabelle on August 25, 2010
27. ## physics 2

How many electrons must be removed from each of two 5.40kg copper spheres to make the electrical force of repulsion between them egual in magnitude to the gravatational attraction between them?

asked by Brooke on February 6, 2009
28. ## Physics

A television tube operates at 20,000V. What is min wavelength for the continuous x-ray spectrum produced when the electrons hit the phosphor?

asked by Derick on September 24, 2014
29. ## chemistry

An electrolytic cell transferred 0.10 mol of electrons when a constant current of 2.0 A was applied. How many hours did this take? A. 4800h B. 80h C. 1.3h D. 0.75h E. 0.012h

asked by Rapinder S. on May 24, 2008
30. ## Chemistry

I don't know why these aren't posting? Can someone please explain this to me? The maximum number of electrons that can occupy ONE f orbital is: A. 14 B. 6 C. 2 D. 18 E. 10 Wrong Points Earned: 0/2 Your Response: A

asked by Trevor on November 19, 2008
31. ## Botany

During the last part of cellular respiration in the mitochondrion, electron flow is tapped and used to make ATP. Where do the electrons end up when they are finished flowing?

asked by Josh on October 31, 2011
32. ## Physics

Electrons are ejected from a photoelectric cell with a maximum kinetic energy of 1.20 eV. If the incident light has a wavelength of 410nm, what is the work funtion?

asked by Marium on May 19, 2010
33. ## Physics

Calculate the electric force between these two electrons. The value of the Coulomb constant 9 × 109 N · m2/C2 and the elemental charge is 1.6×10−19C. Answer in units of N (Newtons)

asked by Shannon on March 25, 2015
34. ## chemistry

Balance each of the following redox equations using the half-reaction method. HI(s) + H2SO4 (aq) --> H2S(g) + I2 (s) My only question about this equation is...how do I know how many electrons I need to put on both sides? Other than that I know how to do

asked by Aria on February 25, 2012
35. ## science

In a device known as a ______ electrons are emitted when light shines on a metal surface? a difference in charge is called a ____ I am so stuck on these last two

asked by sam on May 21, 2008
36. ## Physics

A television tube operates at 20,000V. What is min wavelength for the continuous x-ray spectrum produced when the electrons hit the phosphor?

asked by Paul on September 24, 2014
37. ## General Chemistry

The electron configuration of a neutral atom is 1s22s22p63s2. Write a complete set of quantum numbers for each of the electrons. Please explain with answers.

asked by Delores on June 15, 2010
38. ## physics

how many electrons must be removed from each of the two 5kg copper spheres to make the electric force of repulsion between them equal in magnitude to the gravitational attraction between them?

asked by gyro on January 24, 2011
39. ## Chemistry Help!!!!!!!!!!!!!!

for the following elements show the allocation of electrons to their orbitals on the basis of the Pauli exclusion principle and Hund's rule. a) Carbon b) Silicon Thanks!

asked by Kim on August 26, 2014
40. ## Physics

A television tube operates at 20,000V. What is min wavelength for the continuous x-ray spectrum produced when the electrons hit the phosphor?

asked by Paul on September 23, 2014
41. ## College Chemistry

Draw an orbital diagram showing valence electrons and write the condensed ground-state electron configuration for Se3+

asked by KELLY on October 17, 2010
42. ## pchem II

the work function for metallic Caesium is 2.14 eV. Calculate the kinetic energy and the speed of the electrons ejected by light of wavelength 700 nm

asked by Anonymous on February 1, 2011
43. ## Chemistry

For the oxidation-reduction reaction equation given here, 2Rb+Br2 --> 2RbBr Indicate how many electrons are transferred in the formation of one formula unit of product.

asked by Jematormal91 on May 10, 2012
44. ## Chemistry

For the oxidation-reduction reaction equation given here, 2Rb+Br2 --> 2RbBr Indicate how many electrons are transferred in the formation of one formula unit of product.

asked by Jematormal91 on May 11, 2012
45. ## chemistry

how many electrons flow through a wire in 83.9 seconds if the current was 0.32 amps? ( an ampere is a coulomb/sec)and the charge on an electron is 1.602×

asked by jesse on September 8, 2012
46. ## chemistry

Lists how many valence electrons are shared, gained, or lost by each atom of the 6 compounds?       N2           CCl4             SiO2           AlCl3             CaCl2

47. ## Physics

You observe an arti cial satellite orbiting the earth and estimate it is at an altitude h = [03] km above the earth's surface and has a mass m = 3500 kg. You wish to calculate when the satellite will be back in the same position. From the second law of

48. ## Physics

A400 N child is swing that is attached tow ropes 2m long , find the gravitational potential energy of the child-earth system relative to the red line level when ropes make an angle with the vertical .

asked by Mariam on December 4, 2013
49. ## earth science

i need to know where i can find the brief mythology of the constallation capracornus([[[capricorn]]]) and the constellations inside the capricornus and the type of star they are and the distance from earth and the magnitude(absolute) and the color and

asked by theresa on October 3, 2007
50. ## math

Q2. An agriculture field is rectangular,with dimensions 100m by 42m.A 20m deep well of diameter 14m is dug in acorner of the field and the earth taken out is spread evenly over the remaining part of the field. Find the increase in the level of the field.

asked by tarekegn on May 13, 2015
51. ## Social Studies

Which best describes the languages spoken by American Indians in South Carolina? All tribes in South Carolina spoke the same language most American Indians spoke Algonquian or Siouan American Indians spoke more than fifty languages Most tribes spoke one or

asked by Loomin on September 13, 2018
52. ## physics

Jessica's weight is 540 Newtons. According to the Third Law, if the Earth pulls on Jessica with a force of 540 N, then Jessica pulls on the Earth with a force of 540 Newtons that acts in the opposite direction. However, if Jessica stumbles while

asked by Anonymous on August 12, 2010
53. ## physics

Jessica's weight is 540 newtons. According to the Third Law, if the Earth pulls on Jessica with a force of 540 N, then Jessica pulls on the Earth with a force of 540 newtons that acts in the opposite direction. However, if Jessica stumbles while

asked by Anonymous on January 1, 2010
54. ## history

Why were interstate highways initially built a. To accommodate the increasing number of automobiles b. To make it easier for U.S citizens to travel from state to state c. To enable the quick movement of troops in case of the nuclear attack* d. To allow for

asked by abstract on April 26, 2016
55. ## Physics

Knowing the temperature at the surface of the Earth to be 72 F, find the temperature at the surface of Venus.

asked by Sue on December 10, 2014
56. ## history

Who was Douglas MacArthur? A. an ambitious commander of Allied forces in Korea who was dismissed by President Truman for his vocal criticisms of Truman’s handling of the war B. a noted statesman and philanthropist who oversaw the rebuilding of postwar

asked by Charlie on August 22, 2018
57. ## Science

In the Earth Science Reference Tables (you can find them at google), on pg 11 on the bottom where there's the Earthquake Travel Time Graph, on the y-axis, what does each box equal? like for the x-axis, each box between 1 and 2, and 2 and 3 is 200 km, what

asked by Angie on May 26, 2009
58. ## science

Which of the following statements regarding high and low tide are correct? In a 12 hour period, most locations on Earth would expect to have two high and two low tides per day. Tides are not predictable. In a 24 hour period, most locations on Earth would

asked by lilkakes on October 20, 2018
59. ## Geometry/trig

A plane is flying due south at a speed of 300 mph. The wind is blowing from the west at a speed of 40 mph. Find the resultant speed of the plane and the direction of the plane

asked by Lezah on February 6, 2012
60. ## Science

18. The description of the structure of the atom is called the ___. ATOMIC MODEL 19. In a water molecule, two atoms of hydrogen and one atom of oxygen share electrons. A ______ bond is found in a water molecule. COVALENT BOND 20. Sodium chloride is formed

asked by Amy@@ on March 4, 2017
61. ## Physics Question

Twins who are 19.0 years of age leave the earth and travel to a distant planet 12.0 light-years away. Assume that the planet and earth are at rest with respect to each other. The twins depart at the same time on different spaceships. One twin travels at a

asked by Anonymous on April 6, 2012

Twins who are 19.0 years of age leave the earth and travel to a distant planet 12.0 light-years away. Assume that the planet and earth are at rest with respect to each other. The twins depart at the same time on different spaceships. One twin travels at a

asked by Jim on April 6, 2012
63. ## science

Two workers pull horizontally on a heavy box, but one pulls twice as hard as the other. The larger pull is directed at 25.0 degrees west of north, and the resultant of these two pulls is 350.0 N directly northward. Use vector components to find the

asked by Ben on September 14, 2008
64. ## physics

Two workers pull horizontally on a heavy box, but one pulls twice as hard as the other. The larger pull is directed at 25.0 degrees west of north, and the resultant of these two pulls is 350.0 N directly northward. Use vector components to find the

asked by Anne on August 18, 2015
65. ## MATH

Madison leaves her house and bikes north at a constant speed of 10 miles per hour. If her dad leaves the same house two hours later, driving north at a constant speed of 15 miles per hour, how long will it take him, in hours, to reach Madison?

asked by Dam on September 21, 2018
66. ## Astronomy

The average distance between the Earth and the Sun is called the astronomical unit (AU), which is about 150 million km (1.5 x 108 km). Jupiter is 780 million km from the sun. a) How far is Jupiter from the sun in astronomical units (AU)? b) Based on your

asked by Rebecca on October 2, 2011
67. ## physics

A laboratory centrifuge on earth makes n rpm and produces an acceleration of 3.20 g at its outer end. A) What is the acceleration (in g's, i.e., acceleration divided by g) at a point halfway out to the end? B) This centrifuge is now used in a space capsule

asked by Steph on November 26, 2010
68. ## managerial economics

Several years ago, Nabisco spent \$330 million building a facility in Brazil to produce Oreo cookies and Ritz crackers for sale in their South American markets. At a recent board meeting, managers at Nabisco were discussing closing the Brazilian plant

asked by Nemin on September 22, 2011
69. ## Social Studies

~Why was paper invented? ~ Since people started to write, they also started to come up with something to write on, for the longest time they used something call papyrus or parchment. But papyrus is rock like, so they made something easier to write on and

asked by little dark one on February 16, 2016
70. ## Social Studies

What are the basic provisions of the Missouri Compromise? Why was it important to keep a balance of slave and free states in the nation? I can't seem to find an answer that makes sense. Could someone help me out?

asked by Denise on August 19, 2007
71. ## Math

Cape Fear Riverwood is lumber company that specializes in recovering, cutting, and selling wood from trees discarded long ago,even those that have been underwater or buried in the ground for more than 100 year ! Historically, the logging industry used

asked by KGK on June 25, 2014
72. ## Physics

Neutron stars, such as the one at the center of the Crab Nebula, have about the same mass as our sun but a much smaller diameter. If you weigh 665 on the earth, what would be your weight on the surface of a neutron star that has the same mass as our sun

asked by Mikhail on April 4, 2010
73. ## physics

A person is standing at the edge of the water and looking out at the ocean (see the drawing). The height of the person’s eyes above the water is h=1.6 m, and the radius of the earth is R=6.38x10^6 m (use as a precise value). (1) How far is it to the

asked by Brittany on January 23, 2011
74. ## Physics

Neutron stars, such as the one at the center of the Crab Nebula, have about the same mass as our sun but a much smaller diameter. If you weigh 665N on the earth, what would be your weight on the surface of a neutron star that has the same mass as our sun

asked by Mike on April 5, 2010
75. ## hmmmmm...........

How can moving contiental plates change the surface of earth http://www.google.com/search?q=moving+continental+plates&start=0&ie=utf-8&oe=utf-8&client=firefox-a&rls=org.mozilla:en-US:official Good websites linked here. =) what plate is iceland on how can

asked by Jenny on October 17, 2006
76. ## physics

At the intersection of Texas Avenue and University Drive, a blue, subcompact car with mass 820 kg traveling east on University collides with a maroon pickup truck with mass 2000 kg that is traveling north on Texas and ran a red light. The two vehicles

asked by help! on February 20, 2018
77. ## English

I forgot to add these sentences. Thank you very much. 1) The rise in population caused an increase in the demand for clothes. As more energy was needed to drive machinery, the steam engine (power?) was introduced (developed?). 2) The introduction of the

asked by Henry2 on July 4, 2011
78. ## History

Can someone please check my answers? :) 1. What was the greatest threat to a slave family’s stability? (1 point) the birth of a new baby an increase in cotton production *** a marriage in the slaveholder’s family the slaveholder’s acquisition of new

asked by Maggie on January 21, 2014
79. ## Physics

In a World Cup soccer match, Juan is running due north toward the goal with a speed of 7.70 relative to the ground. A teammate passes the ball to him. The ball has a speed of 13.3 and is moving in a direction of 30.5 east of north, relative to the ground.

asked by Annie on September 26, 2012
80. ## physics

Two Earth satellites, A and B, each of mass m = 960 kg, are launched into circular orbits around the Earth's center. Satellite A orbits at an altitude of 4500 km, and satellite B orbits at an altitude of 13600 km. a) What are the potential energies of the

asked by Kensey on June 18, 2012
81. ## physics

A person is standing at the edge of the water and looking out at the ocean (see figure). The height of the person's eyes above the water is h = 1.9 m, and the radius of the Earth is R = 6.38 x 106 m. (a) How far is it to the horizon? In other words, what

asked by DEMETRIUS on January 19, 2016
82. ## science

1. The image above shows the Andes Mountains. Which of the following processes formed this feature? (1 point) (pic of Andes Mountains) Glaciers deposited sediment. Plates converged together to form the mountains. Plates pulled apart and released magma.

asked by TTR+S&lt;3 on April 24, 2014
83. ## History

I don't want the answer I just need someone to tell me if they are right or wrong. Thanks! 1. How did Reconstruction improve opportunities for African Americans in the South? a. Many became wealthy business owners. b. They could receive public education.

asked by BeachHairDon'tCare on February 29, 2016
84. ## geography

what is phyiscal region? What is a physical region? A physical region is an area that shares a similar type of landform or physical characteristic. In South Asia, we find three physical regions: The Himalaya Mountains The Indo-Gangetic Plain The Deccan

asked by jj on November 27, 2006
85. ## Social Studies

Name all the south-East states Thank you for using the Jiskha Homework Help Forum. Look in any Atlas of the U.S. and you will find the southeast states: 1. http://geology.er.usgs.gov/states/southeast.html 2. (Broken Link Removed) 3.

asked by Caitlyn on March 20, 2007

In some industrial processes, sodium chromate is added to water coolants. When the coolant is drained, the chromate ions can be removed through an electrolysis process that uses an iron anode. The products of the electrolysis are aqueous iron(II) ions and

asked by yo! on June 19, 2006
87. ## geometry

Earth has a diameter of approximately 8000 miles. Jupiter's diameter is approximately 88000 miles. How many times greater is the volume of Jupiter than the volume of Earth?

asked by Piggy on May 23, 2012
88. ## physics 2

- Matter is made of charged particles - The motion of charged particles produces electromagnetic waves - Since light is an electromagnetic wave, the color of a substance is ultimately related to the way that charged particles in that substance can move

asked by lost physics 2 student on August 8, 2014
89. ## physics 2

- Matter is made of charged particles - The motion of charged particles produces electromagnetic waves - Since light is an electromagnetic wave, the color of a substance is ultimately related to the way that charged particles in that substance can move

asked by Daniella on August 7, 2014
90. ## 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

asked by Will on March 8, 2012
91. ## 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

asked by Emily on March 29, 2016
92. ## Algebra

Could you please check my work on these word problems? My solutions just don't seem right, could you please let me know where I may have messed up. Many people know that the weight of an object varies on different planets, but did you know that the weight

asked by asd on September 19, 2010
93. ## college physics

A 915 kg two-stage rocket is traveling at a speed of 5.50×10^3 m/s with respect to Earth when a pre-designed explosion separates the rocket into two sections of equal mass that then move at a speed of 4.00×10^3 m/s relative to each other along the

asked by peyton on May 3, 2010
94. ## Geography

Hi Oprah here Just wanna know what would be a circulating current of warmer materal ( such as magma ) ??? Help please Thanks I'm not quite sure what you are asking. Is the material molten earth, water or something else? Since this is not my area of

asked by Oprah on January 2, 2007
95. ## Algebra (Pythagorean Theorem)

Ahmed has half of a treasure map. which indicates that the treasure is buried in the desert 2x + 6 paces from castle rock. Vanessa has the other half of the map. Her half indicates that to find the treasure one must get to castle rock walk x paces to the

asked by Tracy on November 4, 2013
96. ## physics

A 68 kg man is ice-skating due north with a velocity of 5.6 m/s when he collides with a 42 kg child. The man and child stay together and have a velocity of 3.0 m/s at an angle of 35° north of due east immediately after the collision. What are (a) the

asked by kristy on November 13, 2013
97. ## Social Studies (please check Ms. Sue)

1. Why were interstate highways initially built? a. to accommodate the increasing number of automobiles b. to make it easier for U.S. citizens to travel from state to state c. to enable the quick movement of troops in case of a nuclear attack*** d. to

98. ## English

1. In at least three sentences, locate and explain the effectiveness of three rhetorical devices. ----------------------- Pearson’s address on the inauguration of the national flag of Canada: On September 5, 1945 an Order-in-Council was passed declaring

asked by Light on July 18, 2015
99. ## History

How did the South attempt to compensate for it's disadvantages? A:Southern military leaders devised the Anaconda Plan to end the war quickly. B:Confederate troops remained within their own territory at all times. C:Southern leaders approached foreign

asked by Marylyn on October 21, 2016
100. ## physics

a 1500kg car travelling east with a speed of 20m/s collides at an intesection with a 2500kg van travelling south at a speed of 15m/s.The vehicle undergoes a perfectly inelastic collision, and the wreckage slides 6m before coming to rest.Find the magnitude

asked by takunda on November 2, 2014