Tuesday

March 31, 2015

March 31, 2015

Total # Posts: 842

**electric field intensity**

Two 2.0 g spheres are suspended by 10.0 cm long light strings. A uniform electric field is applied in the x direction. If the spheres have charges of -5.0 10-8 C and +5.0 10-8 C, determine the electric field intensity that enables the spheres to be in equilibrium at = 10°.
*January 17, 2009*

**Poem**

yes
*January 15, 2009*

**earth**

4th grader needs to make a model of earths layers showing crust, mantle, and core. Any ideas? Where would I find a picture?
*January 10, 2009*

**Reduction**

when NaBH4 is used as a reducing agent in organic chemistry, is the B or the H being oxidized?
*December 8, 2008*

**calculus**

find two positive integers such that the sum of the first number and 4 times the second number is 1000 and the product of the numbers is as large as possible
*December 4, 2008*

**calculus**

Find the smallest possible area of an isosceles triangle that is circumscribed about a circle of radius r
*December 4, 2008*

**physics urgent!**

A vaulter holds a 34.1 N pole in equilibrium by exerting an upward force U with her leading hand and a downward force D with her trailing hand. Point C is the center of gravity of the pole. Given d1 = 1.100 m, d2 = 1.65 m, and d3 = 2.75 m, what are the magnitudes of U and D? i...
*November 24, 2008*

**Science**

We are stumped trying to create a concept map with community, population, ecosystems, organs, tissues, cells, nucleus, golgi complex, etc. Can you help?
*November 20, 2008*

**solubility graph**

What temperature is necessary in order to dissolve twice as much fo these solids in 100cm3 of water as can be dissoved at 20gC. a. sodium nitrate b. potassium nitrate c. sodium choride
*November 10, 2008*

**solubility graph**

A mass of 30 f of potasium nitrate is dissolved in 100 cm3 of water at 100gC. How many more grams of potassium nitrate must be added to saturate the solution?
*November 10, 2008*

**solubility graph**

if 20 g of sodium chloride are dissolved in 100 cm3 of water at 20gC, is the solution saturated?
*November 10, 2008*

**solubility graph**

what temperature is required to dissolve 110 grams fo sodium nitrate in 100 cm3 of water?
*November 10, 2008*

**solubility graph**

You have 75 grams fo sodium nitrate, At what temperature will all of the solid dissolve in 100 cm3 of water?
*November 10, 2008*

**solubility graph**

at what temperatute is the solubility of potassium nitrate equual to the solubility of sodium nitrate?
*November 10, 2008*

**solubility graph**

What termprature is necessaty in order to dissolve twice as much of these solids in 100 cm3 of water as can be dissolved at 20gC a. sosium nitrate b. potassium nitrate c. sodium chloride
*November 10, 2008*

**solubility graph**

A maa of 30 g of potassium nitrate is dossolved in 100 cm3 of water at 100gC. How many more grams of potassium nitrate must be added to saturate the solution?
*November 10, 2008*

**solubility graph**

How do you know if a solution is saturated?
*November 10, 2008*

**solubility graph**

if 20 g of sodium chloride are dissolved in 100 cm3 of water at 20 gC, is the solution saturated?
*November 10, 2008*

**solubility graph**

what temperature is required to dissove 110 grams of sodium nitrate in 100 cm3 fo water?
*November 10, 2008*

**solubility graph**

yoy have 75 grams of sodium nitrate. At what temperature will all of the solid dissolve in 100 cm3 of water?
*November 10, 2008*

**solubility graph**

at what temperature is the solubility or potassium nitrate equal to the solubility of sodium nitrate?
*November 10, 2008*

**English**

what does it mean to vary the sentence pattern within a written work?
*November 5, 2008*

**English-Poetry**

well can u try cuz i really need it its due tomorrow
*November 3, 2008*

**English-Poetry**

how about a site that isnt a book site that have the dying eagle
*November 3, 2008*

**English-Poetry**

is there another site that have the dying eagle
*November 3, 2008*

**English-Poetry**

can someone help find "The Dying Eagle" by E.J. Pratt for me i need it for my poetry assignment and give me the site address. plz and ty
*November 3, 2008*

**Poetry**

Does this poem have imagery in it?? A Bird Came Down A bird came down the walk: He did not know I saw; He bit an angle-worm in halves And ate the fellow, raw. And then he drank a dew From a convenient grass, And then hopped sidewise to the wall To let a beetle pass. He glanced...
*November 2, 2008*

**English-Poetry**

i know the meanings its just that im having trouble finding them in bird poems that's all.
*November 2, 2008*

**English-Poetry**

do you know any bird poems that have alliteration, personification, imagery, hyperbole, and onomatopoeia?? please help!!!!
*November 2, 2008*

**English-Poetry**

What is the allusion of this poem? What is the allusion about the meaning? FIREBIRD nothing prepares us for brilliant entrance of creature of fantasy or object of enchantment useless to resist its allure always takes unawares drawn to its fiery nature is instantly smitten ...
*November 2, 2008*

**English-Poetry**

What is the allusion about the meaning??
*November 2, 2008*

**English-Poetry**

What is the allusion of this poem?? FIREBIRD nothing prepares us for brilliant entrance of creature of fantasy or object of enchantment useless to resist its allure always takes unawares drawn to its fiery nature is instantly smitten inflames irresistibly soul’s taken to ...
*November 2, 2008*

**math algerbra 2**

Find the value of k so that the line through the given points has slope m. (2k, 3), (1, k); m = 2
*October 29, 2008*

**English**

I have never met anybody famous. AM I CORRECT TO SAY THIS IS Present perfect tense? Also can anybody tell me where I can look at examples of ESA Engage, Study, Activate Lessons? I wish to look at some examples of how they are written up and get my head around how they work in ...
*October 29, 2008*

**Physics**

d. Now you pull your sister across the floor so that she moves with increasing speed (accelerates). Compare the magnitude of the force exerted by you on your sister, with the magnitude of the force she exerts on you. Are they the same or different? If they are not the same, ...
*October 25, 2008*

**drwls please read**

okay. but for D. there is acceleration. can you explain.
*October 25, 2008*

**drwls please read**

i know this might seem kind of long. but if you could please help me, i'd greatly appreciate it. a. suppose you have a tug of war with a friend who is the same size and weight as you are. You both pull as hard as you can, but neither of you seems to be winning. You move a ...
*October 25, 2008*

**Physics forces**

i know this might seem kind of long. but if you could please help me, i'd greatly appreciate it. a. suppose you have a tug of war with a friend who is the same size and weight as you are. You both pull as hard as you can, but neither of you seems to be winning. You move a ...
*October 25, 2008*

**English**

Please help. Am I correct in saying that the following phrase is future simple tense? 'if it rains tomorrow'
*October 24, 2008*

**math**

If he makes 20,000 per day thats 833.3 per hour. if he samples 120 bottles an hour and its 1/50 of the sample that dictates the outcome (stop the line) then how many bottles is 1/50 of 120 ? That is of course if 'the line' talked about is one hours production. If ...
*October 23, 2008*

**English**

So I go live here does not make sense?? Did I ever go live here?? No sense. Sorry for not getting it but an example would help.
*October 23, 2008*

**English**

I don't understand the question???? Can somebody give an example. Complete the chart below with the present simple tense, using the verb ‘go’: PERSON I you he/she/it we you they POSITIVE I live here We eat here QUESTION When did you move here What do they eat ...
*October 23, 2008*

**English**

Thanks Gurublue. Think I understand now. Will post my answers for confirmation soon.
*October 23, 2008*

**English**

I don't understand the question???? Can somebody give an example. Complete the chart below with the present simple tense, using the verb ‘go’: PERSON POSITIVE QUESTION I I live here When did you you We eat here move here he/she/it What do they eat We you NEGATIVE...
*October 23, 2008*

**English**

I don't understand the question???? Can somebody give an example. Complete the chart below with the present simple tense, using the verb ‘go’: PERSON I you he/she/it We you they POSITIVE I live here We eat here. QUESTION When did you move here. What do they eat. ...
*October 23, 2008*

**English**

Ms Sue, Thank you so much. Now I feel more confident. Sorry about multiple posting. Had to get how this engine will take a message (syntax) Thank you.
*October 23, 2008*

**English**

Ok. Its about syntax in the post. How does this look. Identify the parts of speech in the following sentence. I usually go swimming with my best friend and his rather unusual girlfriend I - personal pronoun - countable (I is the subject in this sentence) usually - adverb (...
*October 23, 2008*

**english**

IDENTIFY THE PARTS OF SPEECH IN THE FOLLOWING SENTENCE. I usually go swimming with my best friend and his rather unusual girlfriend. a) I - personal pronoun - countable (I is the subject in this sentence) b) usually - adverb (indicates frequency) c) go - Verb ( indicates ...
*October 23, 2008*

**physics**

A student is trying to decide what to wear. His bedroom is at 20.0°C. His skin temperature is 36.0°C. The area of his exposed skin is 1.46 m2. People all over the world have skin that is dark in the infrared, with emissivity about 0.915. Find the net energy loss from ...
*October 19, 2008*

**crt 205 week 5**

lookning for answers to week 5 assignment on categorizing fallacies
*October 8, 2008*

**science**

Without using standard masses, how could you use a balance to find out which of two objects had the greater mass?
*September 18, 2008*

**physics**

This type of questin is sort of a trick question, because the horizontal velocity has no effect on the answer. It is no different than dropping an object from 1.5m Just calculate how long it takes an object to fall 1.5m due to gravity, that is your answer.
*September 15, 2008*

**College Math**

A confidence intervel has a width of 50 units. If the sample mean is 100, The lower bound of the intervel is?
*September 15, 2008*

**math**

A confidence intervel has a width of 50 units. If the sample mean is 100, The lower bound of the intervel is?
*September 15, 2008*

**history**

how does a death penalty case gets to the united states supreme court
*September 9, 2008*

**calculus**

The probability 1 in 4,000,000 will result in an acident. over a life time an average driver takes 50,000 trips. what is the probability of an accident over a lifetime
*September 8, 2008*

**statistical research**

The probability 1 in 4,000,000 will result in an acident. over a life time an average driver takes 50,000 trips. what is the probability of an accident over a lifetime
*September 8, 2008*

**social studies**

change, modification, or addition
*August 9, 2008*

**ethnics**

Describe a current issue between native americans and the federal government. Identify the legislation that is linked to the issue. Is there a connection? Please help!! googled, no info at all
*July 18, 2008*

**math**

1. a door code is made up of six unique digits the last digit is 8. 2.oddd and even digits alternate(o is even) 3.the difference of the adjacent is always bigger than 1. 4.the first 2 digits (reads as one number)as well as he two middle digits(as one number) are multiples of ...
*July 16, 2008*

**business communication**

Thank you Dr.Russ
*July 15, 2008*

**business communication**

what are important characteristics of effective written communication?
*July 15, 2008*

**Algebra**

How to solve multiply out s(s+1)(s+2)(s+5)
*July 2, 2008*

**algebra**

question The square root of a negative number is imaginary. That is you cannot find, for example, sqrt(-49) . Why? my answer Yes you can, however this is aginst the normal operations non teh less we are dealing with iminiganary numbers so, as such the square root of a ...
*June 30, 2008*

**math**

What expression raised to the fourth power is 81 x^12 y^8 z^16 ?
*June 28, 2008*

**environmental management**

What is an environmental policy?
*June 25, 2008*

**environmental**

What is an environmental policy?
*June 13, 2008*

**history**

describe other measurements sociologist use to calculate prejudice?
*June 6, 2008*

**algebra 2**

I need step by step directions on how to solve examples like this one. 2x^-13x-7=0 Thanks in advance for the help
*June 1, 2008*

**algebra2**

2x -2x^=o
*June 1, 2008*

**health care**

thanks
*May 6, 2008*

**health care**

why are the Emergency Departments getting so much press about "overcrowding"? Why are there long "waits" for people to receive "emergency care"?
*May 6, 2008*

**Literature**

A climax
*April 18, 2008*

**physics**

if you shook the end of a rope up and down three times each second, what would be the period of the waves set up in the rope? what would be the frequency? plz help me i am so stressed out!
*March 31, 2008*

**chem**

oh, duh. thanks, drbob222
*March 2, 2008*

**chem**

Which pair begins wtih the larger particle? a)K+, K b)N,N -3 c)Mg+2,Ca+2 d)F-,F e)O-2,S-2
*March 2, 2008*

**Science**

What things do you make out of Boron?
*February 26, 2008*

**social studies**

Who built the Great Wall of China.
*February 19, 2008*

**economics**

I have a couple of questions, thanks so much. If a country were to increase the value of their currency, how could that improve their economy? How does the value of currency (the increasing or decreasing of) affect the debt,deficit, CNI, GDP, & GDP per capita and is there a ...
*February 1, 2008*

**science**

I am having trouble with my homework it tells me to write the diffrent forms of energy to a firecracker and a H-bomb.
*January 6, 2008*

**Science**

I am having trouble understanding how energy changes forms. My homework is asking how a firecracker and a H-bomb changes form.
*January 6, 2008*

**science**

what is the substance that is used in all cells to release energy from
*November 28, 2007*

**French**

Not sure but: Je *me* revelerai sans... I will reveal *myself*... It's reflexive. J'ai vendue mes robes les plus jolies. Can't explain it - it just sounds right.
*October 10, 2007*

**math**

Find the products. Use cancellation when possible. 7 x 4 - - 8 5
*September 24, 2007*

**ACCOUNTING**

Forecasting Payments. If a firm pays its bills with a 30-day delay, what fraction of its purchases will be paid for in the current quarter? In the following quarter? What if its payment delay is 60 days?
*July 31, 2007*

**MACROECONOMICS TERM PAPER TOPIC**

Try how to increase labor wages in a country
*June 25, 2007*

**Algebra**

Find the equalibrium price D=-5p+40 s=-p^2+30p-8
*May 27, 2007*

**Algebra**

Which one is considerd a perfect square a) x^2-14x+9 or b) x^2+6x-9 Neither, if you typed them correctly.
*May 27, 2007*

**Algebra**

x^2+7x Which constant should be added to make this expression a perfect square 12¼
*May 27, 2007*

**algebra**

which method do you use to solve this equation.(x-1)^2=7. Is it the factoring method or the sqare root method I would take the square root of each side. (x-1)= +- sqrt7 Now for the factoring method: (x-1)^2=7 (x-1)^2-7=0 you have a difference of two squares.. ((x-1) +sqrt7)((x...
*May 17, 2007*

**criminal justice**

What steps could be taken, if any , to reduce people's overall fear of crime? Tony, we do not do your homework for you. However, we will be happy to proofread and make suggestions after you have written your opinion.
*April 30, 2007*

**algebra**

write in simplest form 1/10 / 1/4 they way you typed the problem illustrates well why it is so important to use brackets to show the precise order of operation. I will assume you meant (1/10) ÷ (1/4), if so then it would be (1/10)(4/1) =2/5
*April 25, 2007*

**algebra**

x/x-2 - x+1/x = 8/x^2-2x notice the last denominator factors to x(x-2) and those factors are found in the other two fractions so x(x-2) is the lowest common denominator. now multiply each term by that x(x-2) to get (x)(x) -(x+1)(x-2) = 8 simplify and solve I got x=6
*April 24, 2007*

**algebra**

Solve for x x/6-x/8 equals 1 Do fraction busters Find the least common denominator, which is 24. Change the fractions to where they have the same denominator. Change 1 to equal 24/24, and solve. Did this help? x/6 + x/8 = 1 multiply each term by 24, the lowest common ...
*April 24, 2007*

**Sequence and series**

Do you know the difference between a sequence and a series? Graph the terms of an arithmetic series. Remember the domain is the set of natural numbers, not the set of real numbers. What type function do you see? Graph the terms of a geometric series. Remember the domain is the...
*April 21, 2007*

**Algebra**

2 divided by 5w+ 10, minus 3 divided by2w-4 2/(5w +10) - 3/(2w-4) ? That can be rewritten with a common denominator. (2/5)/(w+2) - (3/2)/(w-2) = [(2/5)(w-2) - (3/2)(w+2)]/(w^2-1) = [(-11/10)w - (19/5)]/(w^2-1) But it doesn't look any simpler that way.
*April 20, 2007*

**Algebra**

If the sides of of a square are decreased by 2cm, the area is decreased by 36cm square. What are the dimensions of the original square? original square: x by x new square: x-2 by x-2 old area = x^2 new area = (x-2)^2 The difference in these area = 36 difference means subtract...
*April 11, 2007*

**Algebra**

Can you pleas Solve the quadric equation step by step 4x square =13x+2 4x^2 = 13x + 2 subtract 13x and 2 from both sides 4x^2 - 13x - 2 = 0 Now use the quadratic formula, since it does not factor.
*April 11, 2007*

**ALGEBRA**

THE AEA OF A RECTANGLE OF LEGNTH X IS GIVEN BY 3X SQUARE +5X. fIND THE WIDTH OF THE RECTANGLE. The width is the area divided by the length, or in this case (3x^2 +5x)/x = 3x +5
*April 9, 2007*

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