# A charge +Q and -2Q were placed on first and third of three very large parallel plates. The middle plate is earthed. Find the chargeon right extreem plate

17,079 questions, page 143
1. ## math

please can anyone kindly help me to get the answer of this word problem,i would like someone to help me please for the word problem below...... Pat and Eric bought a large pizza that has 12 slices.Jane and Eric ate all the pizza .If Jane ate 4/6 slices,

asked by rowena on February 13, 2011
2. ## English1A

Writeacher, is this better? Greetings and Gestures Culture plays a large role on how individuals communicate with one another, including how they express themselves. There are various ways of communication such as through speaking, sign language, or body

asked by Kuromi on October 24, 2009
3. ## math 213

A manufacturer produces the same kind of computer chip in two plants. In the first plant, the ratio of defective chips to good chips is 15:100 and in the second plant, that ratio is 12:100. A buyer of a large number of chips is aware that some come from

asked by sam on April 21, 2010
4. ## science

how the earth rotates by itself? Momentum imparted to it million of years ago when the solar system formed. One theory involves glancing collision with a large asteroid millions of years ago that also broke off material that eventually developed into the

asked by shourie on November 27, 2006
5. ## English

I have a few more doubts on the same topic. I really hope you can havea look at these sentences, too. 1)There were (was ?) also a kitchen with a fridge, a shining bathroom and a very large balcony. 2) We spent our time above all (?) eating a lot of special

asked by Mike1 on April 22, 2011
6. ## Physics

A flat thin non-conducting ring has an inner radius R1 and an outer radius R2 . The disk is uniformly charged with charge per unit area σ(>0) . (a) What is the electric field at the center, P, of the ring? Express your answer in terms of the following

asked by Anonymous on February 21, 2013
7. ## business math

The Kansas City Star on February 16, 2007 reported on the lowering prices of natural gas. With lower natural gas prices and unseasonably warm weather early this winter the forecast is that gas-heating customers will pay \$950 as compared to \$1,339 last

asked by jimmy on March 8, 2009
8. ## Macroeconomics

During the 1990s, the size of the federal government debt became so large that servicing the interest payments became a significant portion of total federal expenditure. In response, many representatives and senators felt that the federal deficit needed to

asked by Anonymous on December 6, 2008
9. ## Physivs

A flat thin non-conducting ring has an inner radius and an outer radius . The disk is uniformly charged with charge per unit area . (a) What is the electric field at the center, , of the ring? Express your answer in terms of the following variables, if

asked by P on February 24, 2013
10. ## Science

Give two advantages that a telescope lens or mirror of large diameter has over one of small diameter The light-gathering power of an optical telescope is directly related to the diameter (or aperture) of the objective lens or mirror. Note that the area of

asked by Lisa on February 2, 2007
11. ## math, help

For this one i have no idea what formula or even how to set it up... Tow 6-sided dice are rolled. What is the porbability that the sum of the two numbers on the dice will be greater than 9? Notation: n1 is the number that die 1 shows, n2 is the number that

asked by student on July 15, 2007
12. ## English

I need to combine each of the folowing sentences and improve them( clarity and interest). English is not my first language,i am having harder times understanding this. 1. Every so often, a large group of wales or dolphins will throw itself upon shore. The

asked by Karina on January 6, 2009
13. ## HISTORY

Which answer best describes President Johnson's role in Reconstruction? Johnson wanted to forgive the Southern states and restore order by granting equal rights to the former slaves. Johnson wanted to fine the Southern states for starting the Civil War and

asked by MS.SUE HELP PLEASE on June 11, 2014
14. ## Science Urgent Please help

(I have no idea how to even approach this question. Can anyone please help me?) Some people have proposed that the earth could solve its population problem by shipping people off to space colonies, each containing about 10,000 people. Assuming that we

asked by Eva on February 25, 2011
15. ## Chemistry

i don't understand this paragraph, can anyone explain it to me? If a large amount of energy is needed to remove an electron from an atom, the arrangement of electrons in that atom is considered to be especially stable. Thus, a high first ionization energy

asked by johnny on March 5, 2008
16. ## Chemistry

I don't understand this paragraph, can anyone explain it to me? If a large amount of energy is needed to remove an electron from an atom, the arrangement of electrons in that atom is considered to be especially stable. Thus, a high first ionization energy

asked by johnny on March 5, 2008
17. ## algerbra

sasha researched the size of zoos in her state. she found that the zoo in the north part of the state is almost twice as large as the zoo in the south. she also found that the zoo in the south part of the state has 200 fewer than twice the number of

asked by ann on January 9, 2014
18. ## Statistics

Suppose flights at a large metropolitan airport are on-time 68% of the time and late 32% of the time. We want to use a table of random digits to simulate flight status (on-time or late), so we'll assign 01, 02, … , 68 to represent on-time flights, and

asked by Anonymous on April 14, 2018
19. ## Multiple Choice

Physics 2. Which of the following is equivalent to one ampere? (Points : 1) 10 s/10 C 10 C/10 m 1.5 C/1.5 s 15 C/10 s Question 3.3. A stream of moving charges results in a current of 5.6 A. How long does 116 C of charge take to flow past a fixed point?

asked by Steven on May 8, 2014
20. ## math

A local photocopying store advertises as follows. " We charge 9 cents per copy for 150 copies or less, 6 cents per copy for each copy over 150 but less than 210 , and 3 cents per copy for each copy 210 and above. " Let x be the number of copies ordered and

asked by Clara on February 12, 2014
21. ## Biology

a. A human cell is placed in a container of sugar water. Explain what would occur, if the cell membrane is impermeable to sugar. I know that the water in the cell is the high concentration and will go to the sugar water which is the low concentration. b.

asked by Judy on October 5, 2015
22. ## Science

Could you please check these sentences on LSD? Thank you, Writeacher. 1) LSD is a psychoactive substance capable of generating perceptual alterations. It was synthesized for the first time in 1938 by Albert Hoffman of Sandoz laboratories in Basel. 2) The

asked by John on May 30, 2012
23. ## physics

A short box with a large flat base is made of iron. The box has mass mI = 890 kg and specific heat cI = 450 J/kg◦C. The box is filled with water. The water has mass mW = 1220 kg and specific heat cW = 4180 J/kg◦C. The box and water are initially at

asked by Jason on March 14, 2012
24. ## Physics

At the beginning of a roller coaster ride, the car is lifted to the top of a large hill and released. The speed of the car at the top of the hill is small, so we will assume it to be zero. The car rolls freely down this hill and reaches its maximum speed

asked by Angie Need Help ASAP NOW on December 4, 2013
25. ## Physics

At the beginning of a roller coaster ride, the car is lifted to the top of a large hill and released. The speed of the car at the top of the hill is small, so we will assume it to be zero. The car rolls freely down this hill and reaches its maximum speed

asked by Angie Need Help ASAP on December 4, 2013
26. ## English

Look at the big picture, how many people are there? There are about 8 people. The people are members of a jury. They are talking about a criminal case, I think. In front of them, we can see a judge and a prosecutor. The bottom left picture is the supreme

asked by rfvv on November 20, 2009
27. ## language arts

Which of the following statements best summarizes the "fiddler's bill" Bostonians had to pay for the tea party, as describes in 1 of chapter 7 from Johnny Tremain? A. The port of Boston was closed to all ships, and huge numbers of workers lost their jobs.

asked by kay on December 17, 2014
28. ## statistics

A film alliance used a random sample of 50 U.S. citizens to estimate that the typical American spent 78 hours watching videos and DVDs last year. The standard deviation of this sample was 9 hours. (a) Develop a 95 percent confidence interval for the

asked by Anonymous on April 24, 2013
29. ## English

Do you happen to know where I can find the audio to George Orwell's novel 1984? (the adiobook would also do). Here are the last sentences of the day. 1)A characteristic of the Gothic novel in Shelley's Frankenstein is the presence of grotesque elements as

asked by Franco on December 29, 2010
30. ## Physical Science HELP

Can someone check if these are right: Tell reaction rate 1.) one antacid tablet is placed in a glass of cold water, while another table is placed in a glass of hot water. TEMPERATURE? 2.) a mixture of baking powder, flour, sugar, and eggs is placed in the

asked by Julie on January 14, 2014
31. ## Physical Science

Can someone check if these are right: Tell reaction rate 1.) one antacid tablet is placed in a glass of cold water, while another table is placed in a glass of hot water. TEMPERATURE? 2.) a mixture of baking powder, flour, sugar, and eggs is placed in the

asked by Julie on January 14, 2014
32. ## social studies

Which of the following is the main difference between the cultures of the Ancestral Puebloans and the Mississippians? A. The Ancestral Puebloans were known for building stone homes while the Mississippians were known for building mounds. B. The Ancestral

asked by boo on March 13, 2019
33. ## AP Statistic question

A new type of fish food has become available for salmon raised on fish farms. Your task is to design an experiment to compare the weight gain of salmon raised over a six-month period on the new and the old type of food. The salmon you will use for this

asked by Miu on April 28, 2009
34. ## AP Statistic question

A new type of fish food has become available for salmon raised on fish farms. Your task is to design an experiment to compare the weight gain of salmon raised over a six-month period on the new and the old type of food. The salmon you will use for this

asked by Miu on April 28, 2009
35. ## Algebra

Write the equation of the line containing the given point and parallel to the given line. The equation of the line is y= ?... 1. Express your answer in the form y=mx+b. (7,8); x+7y=6 2. Express your answer in the form y=mx+b. (-4,8); 8x=7y+9 3. Express

asked by Ann on May 25, 2011
36. ## physics

I am helping my friend move into his new apartment. During the move, we have to load boxes into the back of his truck. To make it easier to load them, we've set up a metal ramp so that we can slide the boxes up to the deck of the truck. The box shown in

asked by Dan on April 2, 2013
37. ## Physics

A parallel plate capacitor with plate separation d is connected to a battery. The capacitor is fully charged to Q Coulombs and a voltage of V. (C is the capacitance and U is the stored energy.) Answer the following questions regarding the capacitor charged

asked by Jeff on February 6, 2012
38. ## algebera

1) Identify the solid form by the given net. :Triangular Prism :Triangular Pyramid*** :Cone :Triangle 2) Name the solid according to it's description: The figure has two bases that are parallel congruent circles. :Cylinder*** :Rectangular Prism :Sphere

asked by 3-D Figure and Nets on February 10, 2015
39. ## English

Writeacher, can you help me check these sentences? Thank you very much for your invaluable help! 5)After making sure a person is a Prisoner of Conscience, the organization starts sending letters to governments and benefits (food, medicine) to the prisoner.

asked by Matthew on April 15, 2012
40. ## criminal justice

Probation officer Nichols is in charge of Jim. Jim was sentenced to three years of imprisonment for drug trafficking. However, because Jim had no past records of criminal activity, he was granted probation. He also had an excellent work record. The terms

asked by sharday on August 29, 2014
41. ## Biology

You are studying a large population of claims of which 396 are pink (t) and 557 are Tan (T). Tan clams are completely dominant over pink clams. Calculate the following: 1. The frequencies of each allele. 2. The expected genotypic frequencies. 3. The number

asked by Josh on February 7, 2013
42. ## MATH WORD PROBLEM

Diego works at a toy store. His boss tells him to order 420 stuffed bears and toy cars. He must order 4 stuffed bears for every 3 toy cars. a) If he must order 9 large stuffed bears for every 7 small stuffed bears, how many of each stuffed bear should he

asked by andra on March 27, 2014
43. ## math

A cube with edges of length 2 centimeters is buildt from centimeter cubes. If you paint the faces of this cube and then break it into centimeter cubes, how many cubes wil be painted on three faces? how many will be painted on two faces? On one face? How

asked by jena on January 31, 2007
44. ## Physics

In the following circuit R_1=3 Ohm, R_2=10 Ohm, C=0.003 Farad, V=5 Volts. At time t =0 we connect the power supply to the circuit. At t=0 the capacitor is uncharged. (a) What is the time constant tau (in seconds) to charge up the capacitor? (b) What is the

asked by Phy on May 6, 2013
45. ## Science

What is the primary reason for the trend in atomic radius going from left to right across the periodic table? 1.All atoms in a given period of the table are the same size because the same main energy level is being filled. 2.There is no clear trend, the

asked by Emily on February 13, 2015
46. ## manetism help!

A charged particle with charge q is moving with speed v in a uniform magnetic field. A second identical charged particle is moving with speed 2v perpendiculuar to the same magnetic field. The time to complete one full circular revolution for the first

asked by james on December 17, 2013
47. ## money

Ryan gets a gift of \$80 on his birthday. He goes to the Lego store to buy Lego sets. The Lego store has small sets for \$4, the medium size sets for \$16 and the large sets for \$32. What is the least number of sets that Ryan can buy if he has to buy at least

asked by ayush on February 2, 2015
48. ## science very urgent need help

An experiment is set up to test whether a particular insect prefer a dark or a bright environment. A chamber with a gradient in light intensity from one end (dark) to the other (bright) has been made. The experimental hypothesis is: “There will be a

asked by Lily on December 16, 2013
49. ## Science, very urgent please help

An experiment is set up to test whether a particular insect prefer a dark or a bright environment. A chamber with a gradient in light intensity from one end (dark) to the other (bright) has been made. The experimental hypothesis is: “There will be a

asked by Lily on December 16, 2013
50. ## English

I have included the sentences I was most doubtful about. 1) The ship was cheered and they left the harbour. They went below the prow (I think "kirk" is the archaic word for "prow") 2)The mariners were then caught (can you say "struck") in (not by) a

asked by Henry2 on November 16, 2011
51. ## Physics 11 Forces Unit

I'm not sure if my answers are correct. Your help will be greatly appreciated. Thanks in advanced! 1. two very large cruise ships each have a mass of 415000 tonnes. If they were docked side by side, 1.0m apart, their centres would be 60m apart. What is the

asked by Jessie on December 19, 2013
52. ## Finance - Capital Budgeting/Bid Price

We have been requested by a large retailer to submit a bid for a new point-of-sale credit checking system. The system would be installed, by us, in 89 stores per year for three years. We would need to purchase \$1,300,000 worth of specialized equipment.

asked by Jess on December 1, 2013
53. ## Physics

Pretend our future colonists build a large round 2km diameter train track on the great plains of Mars that is sloped (angled) inward to artificially increase the gravity felt by the occupants living onboard the house sized train cars speeding along at the

asked by Mark Main on July 31, 2011
54. ## Science

I have a few questions if someone could please help with them: Which of the following is true: A.Relative dating tells us how long ago something existed B.Disconformities are less common but usually far more conspicuous because the strata on either side

asked by Kelly on April 27, 2012
55. ## social studies

How did Charlemagne gain the title Emperor of the Roman People from Pope Leo III? A. He inherited it from his father. B. The pope saw his concern for his people in the way he governed. C. He built a very large cathedral in Aachen and earned the pope’s

asked by tim on December 8, 2009
56. ## Physics - Inverted pendulum

Hello. My son is in pre-school, but he's already starting his Undergraduate for college. Never too early to start, right? So he got this problem for homework. Can anyone help? He supposedly needed "nap time" and slept through the entire lecture the

asked by John Cena on October 2, 2015
57. ## MATH

Amtrail trains provide efficient, nonstop transportation between Los Angeles and San Diego. Train A leaves Los Angeles headed toward San Diego at the same time that Train B leaves San Diego headed for Los Angeles, traveling on parallel tracks. Train A

asked by Catherine on January 12, 2011
58. ## Accounting

Lock boxes Anne teak, The finanicial manager of the furniture manufactures, is considering operating a lock box system. she forcasts that 400 payments a day will be made to lock boxes with an average payment size of \$2000. The bank charge for operating the

asked by Neena on June 26, 2006
59. ## Physics

There is an outcropping of ice with a large drop to a slope below. A 100kg piece of ice breaks off with a 60kg person on top of it, and falls o the slope below. The piece of ice slides down the slope to the bottom and onto a horizontal portion. It slides

asked by Barry on July 25, 2016
60. ## Cynthia

Which of the statements below correctly compares features of plant and animal cells? Plant cells have a cell membrane, while animal cells have both a cell wall and a cell membrane. Plant cells have ribosomes only on the rough ER, while animal cells have

asked by Biology on November 29, 2013
61. ## Cost Accounting

You have been appointed as the costing manager of a large health club having a membership of around 2000–2500 members. The club provides personal trainers for its members on request as an add-on facility. The club pays a small salary to the hired

asked by Patte on October 14, 2016
62. ## physics

A chandelier with mass m is attached to the ceiling of a large concert hall by two cables. Because the ceiling is covered with intricate architectural decorations the workers who hung the chandelier couldn't attach the cables to the ceiling directly above

asked by Kalen on October 6, 2009
63. ## Economics

If the labour supply curve is nearly vertical, a tax on labour 1. has a large deadweight loss. 2. will raise small amounts of tax revenue. 3. has little impact on the amount of work workers are willing to do. 4. will raise small amounts of tax revenue and

asked by Johnny on June 6, 2011
64. ## History

1:What was the primary purpose of the Three-Fifths Compromise? A:To provide a balance between small and large states. B:To satisfy slave states in order to secure ratification.*** C:To limit the length of the presidential term. D:To determine the

asked by Anonymous on January 25, 2018
65. ## art

Ketchup is a non-traditional material, but the artist used it in his protest piece against fast food restaurants because of it's ability to a. resist decay b. convey a message c. deteriorate quickly d. attract flies I think that it's b but I'm not sure

asked by A-Name on January 23, 2015
66. ## Physics (Mathmate)

When a force is applied to an object with mass equal to the standard kilogram, the acceleration of the mass is 3.25 m/s2. When the same magnitude force is applied to another object, the acceleration is 2.75 m/s2. What is the mass of the object? What would

asked by Sarah on June 15, 2010
67. ## physics

When a force is applied to an object with mass equal to the standard kilogram, the acceleration of the mass is 3.25 m/s2. When the same magnitude force is applied to another object, the acceleration is 2. 75 m/s2. What is the mass of the object? What would

asked by Sarah on June 14, 2010
68. ## histroy

I do not understand this paragraph about the fifth step to WWII..what is this paragraph saying...can someone summarize? "At first Peking and then Shanghai fell to the Japanese, the Chinese government appealed to the League of Nations. Sanctions would work

asked by peter on January 9, 2008
69. ## checking world geo

I don't know the answer for.... Q1)which are closer to the equator, the nomads of the sahara or coffee growers of colombia?__________________. Ones i do know the answers for but need to make sure.... Q2)What mountain range is located between the black and

asked by Enrique 311200000+- on December 8, 2008
70. ## Physics

A 100 lb block of ice slides down an incline 5.0 ft long and 3.0 ft high. A worker pushes up on the ice parallel to the incline so that it slides down at constant speed. The coefficient of friction between the ice and the incline is 0.10. Find (a) the

asked by Emily on March 11, 2015
71. ## Physics

A 100 lb block of ice slides down an incline 5.0 ft long and 3.0 ft high. A worker pushes up on the ice parallel to the incline so that it slides down at constant speed. The coefficient of friction between the ice and the incline is 0.10. Find (a) the

asked by Emily on March 12, 2015
72. ## Physics

A 100 lb block of ice slides down an incline 5.0 ft long and 3.0 ft high. A worker pushes up on the ice parallel to the incline so that it slides down at constant speed. The coefficient of friction between the ice and the incline is 0.10. Find (a) the

asked by Emily on March 11, 2015
73. ## Writing

Please help! 1) Using a single formatting _____ helps to make reading researched information easier;it lets the reader know what to expect. A. Citation B. Text C. Style D. Website My answer was B I got it wrong 2) when creating a writing plan,which of the

asked by Becca please read on March 23, 2015
74. ## physics

A capacitor has circular plates of radius r=12cm that are a distance d=0.1cm apart. The capacitor is hooked up to a 12V battery. If the plates are pulled apart so that they are now a distance d=0.2cm apart, what magnitude of charge accumulates on each

asked by karoaly on November 10, 2013
75. ## economics

(A) “Market demand for wheat is relatively stable over time but market supply of wheat is very much influenced by the weather. For example, a natural drought decreases the supply of wheat and pushes up its prices while a bumper crop can severely depress

asked by ali on October 31, 2009
76. ## Astronomy

Consider an asteroid of radius 2 km and density 2,500 kgm3 impacting the Earth. When it collides with the surface its kinetic energy is, to a large extent, dumped into the environment, some as heat vaporizing rock and some as mechanical energy throwing

asked by sam on December 23, 2012
77. ## university

Market demand for wheat is relatively stable over time but market supply of wheat is very much influenced by the weather. For example, a natural drought decreases the supply of wheat and pushes up its prices while a bumper crop can severely depress wheat

asked by Mariam on October 30, 2009
78. ## kashmir public school

Market demand for wheat is relatively stable over time but market supply of wheat is very much influenced by the weather. For example, a natural drought decreases the supply of wheat and pushes up its prices while a bumper crop can severely depress wheat

asked by maeem on October 30, 2009
79. ## Physics

A certain number of identical resistors are connected in series and their total resistance is measured. When the resistors are disconnected and re-connected in parallel, their total resistance drops to one-percent of the value measured when they were

asked by Tim on November 9, 2016
80. ## physics

A large balloon of mass 237 kg is filled with helium gas until its volume is 318 m3. Assume the density of air is 1.29 kg/m3 and the density of helium is 0.179 kg/m3. (b) Calculate the buoyant force acting on the balloon.________N (c) Find the net force on

asked by Amanda on November 7, 2012
81. ## Physics

Which statement reagarding the idealized model of motion called free fall is true? A. A freely falling object has a constant acceleration called the acceleration due to gravity. B. The idealized model of motion called free fall applies in cases where the

asked by Babygirl on September 14, 2018
82. ## New-Writing

This is just a pieces of the article.. Can you check to see if it needs revising.. AP-style Kathy Olsen, marketing and community information coordinator for Michigan Works, said that many people who struggle finding employment lack the necessary soft

asked by Blaze on February 12, 2013
83. ## English

What type of language register is used between King Anguish and his wife in lines 1-8 of the excerpt? 1-8: Finding her rage thus put to naught, she ran to King Anguish, and threw herself on her knees before him, crying out. 'Oh, my lord and husband, here

asked by Michael on October 26, 2017
84. ## Physics

A centrifuge can be used to separate cells from a liquid. To increase the rate at which objects can be separated from solution, it is useful to make the centrifuge's speed as large as possible. If you want to design a centrifuge of diameter 1.4 m to have a

asked by Jody on June 14, 2013
85. ## U.S. History

How did the influx of immigrants affect cities? A: The influx of immigrants led architects to develop new approaches to housing and transporting large numbers of people. This resulted in the development of skyscrapers, horsecars, cable cars, and electric

asked by Victoria on October 7, 2015
86. ## History

1. Monasticism in medieval Europe: A. was entirely a male area of activity. B. involved an egalitarian governance structure. C. included women, many of whom belonged to royal families D. was based upon the model established by St. Basil. im confused

asked by Any on February 3, 2014
87. ## math

Problem 1:A semi-circular garden has a radius of 10 meters. What is its area? ( Use pi =3.14) Answer:157m^2 Problem 2:The base of a cylindrical tank has a radius of 4.5 meters. What is its area? ( Use pi=3.14) Answer:65.585m^2 Problem 3:In the middle of a

asked by edd on February 19, 2017
88. ## physics

A skier is pulled by a tow rope up a frictionless ski slope that makes an angle of 12 degrees with the horizontal. The rope moves parallel to the slope with a constant speed of 1.0 m/s. The force of the rope does 880 J of work on the skier as the skier

asked by Anonymous on November 15, 2011
89. ## supervision and leadership

Assume that you are the training supervisor of a large, local retail company. The company has seven department stores in your city. One of your biggest problems is adequately training new salesclerks. Because salesclerks represent your company to the

asked by julie on June 20, 2008
90. ## non profit Accounting

The mayor of a large city approaches a group of citizens and suggests that they form an organization to provide social, educational, and recreational programs for local youth. The group agrees and forms an entity called the Community Youth Organization

asked by mary on April 19, 2015
91. ## factors which influence

List three different factors which influence the rate of enzyme activity and specifically explain each factor’s influence on enzyme activity. Since enzymes are protein, they are very sensitive to environmental conditions. The very nature of large 3-

asked by josip on June 20, 2006
92. ## Physics

Wine bottles are never completely filled: a small volume of air is left in the glass bottle's cylindrically shaped neck (inner diameter d = 18.5mm) to allow for wine's fairly large coefficient of thermal expansion. The distance H between the surface of the

asked by Britney on December 11, 2009
93. ## biomechanics

When a weight-lifter lifts a weight equal to his upper body weight his trunk makes an angle of 40 degrees, with the vertical, as shown in the diagram below. In this position the erector spinae muscles exert a large force on the sacrum at an angle of 40

asked by dmkp on December 12, 2012
94. ## Psychology Statistics

2 For a sample of n = 20 individuals, how large a Pearson correlation is necessary to be statistically significant for a two-tailed test with  = .05? 3 The Pearson correlation is calculated for a sample of n = 25 individuals. What value of df should be

asked by Chioma on April 26, 2013
95. ## phys

Water flows steadily from an open tank into a pipe as shown in the figure. The elevation of the top of the tank is 12.3 m, and the elevation at the pipe is 3.80 m. The initial cross-sectional area of the pipe (at point 2) is 5.60×10−2 m^2; and at where

asked by ami on December 9, 2009
96. ## Physics

Two boxes of mass 7.40 and 7.00 kg are in contact and are accelerated across a horizontal surface by an force of 51.49 N applied parallel to the surface and pushing on the lighter box. The magnitude of the frictional force between the surface and the

asked by Anonymous on March 24, 2014
97. ## Algebra

Write a system of equations to match each of these problems. Then solve the equations using the method... Substitution, or linear combinations. 1. Maria started her savings account with \$105. She adds \$10 to it each month, including the first month. Jana

asked by Devian on October 1, 2014
98. ## PLEASE HELP... ALGEBRA.... LINEAR PROGRAMMING

HELP ME WITH THESE 2 PROBLEMS PLEASE..... 1. Objective Quantity: C= 5x+4y Constraints: x < -2 x > -4 y > 1 y < 6 All of the signs have lines under them. 2. Objective Quantity: C= 6x + 2y Constraints: x > 0 x < 5 y > 0 4x-y > 1 Again, all of the signs have

asked by Anonymous on October 11, 2006
99. ## Physics

You push a block of mass m up a plane inclined at angle θ at constant velocity v with a force F parallel to the inclined plane. The coeﬃcient of kinetic friction between the block and the plane is µk. Which is the correct equation for F? (g =

asked by Rick on September 24, 2016
100. ## math

The large red equilateral triangle has sides of 8x units. The midpoints of the red triangle are joined to form the blue triangle. The midpoints of the blue triangle ate joined to form the green triangle. The process of joining midpoints to form new

asked by Jo on January 11, 2016