Friday

April 18, 2014

April 18, 2014

Post a New Question | Current Questions

**college physics**

During a circus act, an elderly performer thrills the crowd by catching a cannon ball shot at him. The cannon ball has a mass of 10.0 kg and the horizontal component of its velocity is 8.00 m/s when the 65.0-kg performer catches it. If the performer is on nearly frictionless ...
*Monday, March 24, 2014 at 12:10am*

**College Chemistry**

A solution is saturated in both nitrogen gas and sodium iodide at 50 degrees C . When the solution is cooled to 25 degrees C what is most likely to occur?
*Sunday, March 23, 2014 at 11:42pm*

**Social Studies**

With affirmative action, certain minority groups are admitted to college even though their grades and test scores may not be as high as some of the majority students. http://www.ncsl.org/research/education/affirmative-action-overview.aspx
*Sunday, March 23, 2014 at 5:52pm*

**Social Studies**

Both. It can also refer to the ethnicity or economic status of students admitted to college.
*Sunday, March 23, 2014 at 5:40pm*

**College Physics**

60 J
*Sunday, March 23, 2014 at 2:09pm*

**College Physics**

36 J
*Sunday, March 23, 2014 at 2:09pm*

**scholarship essay excerpt**

Inviting your reader to a pity party is not a good way of demonstrating your worth to a college admission's officer. I'd omit the first three-fourths of this paragraph. If you feel you need to mention these family disasters, summarize them in one or two sentences.
*Sunday, March 23, 2014 at 1:08pm*

**College Math**

thanks steve. u really help me out.. really appreciate it .. =)
*Sunday, March 23, 2014 at 7:01am*

**College Math**

AB has direction (-3,4,1) BC has direction (0,-2,6) CD has direction (3,-4,-1) DA has direction (0,-2,6) So, AB || CD and BC || AD since the sides are parallel in pairs, they must have the same lengths in pairs (I trust you can verify this). the area is just |(b-a)x(d-a)| ...
*Sunday, March 23, 2014 at 6:26am*

**College Math**

show that the quadrilateral with vertices at the following points is a parallelogram and find its area. a = (5,2,0), b = (2,6,1), c = (2,4,7), d = (5,0,6)
*Sunday, March 23, 2014 at 1:33am*

**college physics 2**

yes For the same m (lambda) for smaller d, you need BIGGER theta so the peaks on the target will be further apart as d shrinks.
*Saturday, March 22, 2014 at 3:34pm*

**college physics 2**

this is the d sin(theta) = m (lambda) I am confused on what its asking now, isn't is d?
*Saturday, March 22, 2014 at 1:26pm*

**college physics 2**

I had that the distance between interference fringes also decrease but I go it wrong
*Saturday, March 22, 2014 at 1:22pm*

**college physics 2**

At a fixed angle from the slits, if you decrease the distance between the slits the path length difference decreases. So, the angle needs to increase to get back to the same path length difference (half the wavelenght for a fringe).
*Saturday, March 22, 2014 at 1:19pm*

**college physics 2**

The first off center maximum occurs when the path lengths to the screen from the two slits differs by one wavelength. If you move the slits closer together, the angle to the screen must increase to get path lengths a wavelength different. Therefore is you decrease the spacing ...
*Saturday, March 22, 2014 at 1:18pm*

**college physics 2**

A double-slit diffraction pattern is formed on a distant screen. If the separation between the slits decreases, what happens to the distance between interference fringes? Assume the angles involved remain small. A double-slit diffraction pattern is formed on a distant screen. ...
*Saturday, March 22, 2014 at 12:45pm*

**Achieving Academic Excellence**

The measure of how much we understood and learned in a college course is referred to as: A. assessments. B. grades. C. testing. D. feedback.
*Friday, March 21, 2014 at 6:31pm*

**College physics**

l
*Friday, March 21, 2014 at 5:16pm*

**college physics**

*Friday, March 21, 2014 at 2:16pm*

**scholarship essay edit**

can someone edit this? Throughout my life’s journey, I have come to attain two true passions - the first one being English studies. Since the very dawn of childhood, I have been known to bleed the calligraphic content of Gary Soto's brilliant poetry and breathe the ...
*Friday, March 21, 2014 at 1:23pm*

**research**

You may have to search and research, but once you learn some good sources and methods, you should have success. In addition to searching on the Internet, you also need to make best friends with the reference librarian(s) in your local or college library. Libraries these days ...
*Thursday, March 20, 2014 at 8:36pm*

**Statistics **

1. A sports researcher gave a standard written test of eating habits to 12 randomly selected professionals, four each from baseball, football, and basketball. The results were as follows: Eating Habits Scores Baseball Players Football Players Basketball Players 34 27 35 18 28 ...
*Thursday, March 20, 2014 at 4:20pm*

**College math**

A + 1.5 A = 18 2.5 A = 18 A = 7.20 B = 10.80
*Thursday, March 20, 2014 at 4:40am*

**College math**

A and B agree to share the cost of an $18 pizza based on how much each would eat. B ate 3/2 of the pizza that A ate. How much should A and B each pay? A= B= Thank you
*Thursday, March 20, 2014 at 2:30am*

**A Peculiar Question**

Is either a B+ or an A- considered a terrible grade? If I received a B+ for two essays that I was assigned and then an A- for another, will these grades ultimately cause a decrease in my GPA? I want to enter into either a film or art college, and I want to retain my 4.0 GPA ...
*Wednesday, March 19, 2014 at 9:29pm*

**College Math**

74 are taking something 36+52 = 88, so 14 are taking both. So, 22 are taking biology only 22/200 = .11 is P(biology only)
*Wednesday, March 19, 2014 at 4:35pm*

**College Math**

In a group of 200 high school students, 36 are taking biology, 52 are taking Spanish, and 126 are taking neither biology nor Spanish. If one of these 200 students is to be chosen at random, what is the probability that the student chosen is taking biology but not Spanish?
*Wednesday, March 19, 2014 at 2:49pm*

**English **

1-2. My uncle decided to splurge and _____with a country club because golf is his favorite____.(affiliate,deficit) 3-4. Gail didn't ____from smoking cigarettes until her employer made not smoking ____.Keeping her job was a very good incentive to get her to quit.(agnostic, ...
*Tuesday, March 18, 2014 at 11:25pm*

**College Algebra**

The table lists how poverty level income cutoffs(in dollars) for a family of four have changed over time. Use the midpoint formula to approximate the poverty level cutoff in 1987 to the nearest dollar. the poverty level cutoff in 1987 was _____ dollars. ( round to the nearest ...
*Tuesday, March 18, 2014 at 8:00pm*

**College Algebra**

Ok thanks
*Tuesday, March 18, 2014 at 7:18pm*

**College Algebra**

rounding to the nearest thousandth? I find it difficult this is an issue in college. Consider the number... ab.cdefghij a is the tens digit b is the units digit c is the tenths digit d is the hundreths digit e if the thousandths digit f is the ten thousands digit take a look ...
*Tuesday, March 18, 2014 at 7:04pm*

**College Algebra**

How to get the answer to a formula if I=ã2P/L relates the coefficient of self-induction, L (in henry's), the energy P stored in an electronic circuit (in joules), and the current I (in amps). Find I if P=120 and L=70. The example I have to go by does not help ...
*Tuesday, March 18, 2014 at 6:55pm*

**English**

I have to write a paper on an author and then effectively persuade the audience that this author is an important and influential writer who should be included in the curriculum for a college writing course. I chose Ernest Hemingway. This is my thesis - Hemingway's ...
*Tuesday, March 18, 2014 at 12:24pm*

**College Math**

"Union" Anything in A, B or both 2 , 3, 5 , 6 , 7 , 9 http://mbaker.columbiastate.edu/algebratips_pages/union%20and%20intersection.htm 5 is the intersection of A and B by the way
*Tuesday, March 18, 2014 at 3:21am*

**College Math**

This is my last question, I promise! Use U={1,2,3,4,5,6,7,8,9,10} A={2,3,5} B={5,6,7,9} C={1,4,10} to find the set AUB You guys are awesome!!
*Tuesday, March 18, 2014 at 1:09am*

**College math**

Thanks Steve
*Tuesday, March 18, 2014 at 12:59am*

**College math**

4y = 3+9
*Tuesday, March 18, 2014 at 12:15am*

**College math**

Help me The product of 4 and y is the sum of 3 and 9
*Monday, March 17, 2014 at 11:52pm*

**College math**

You should have typed "College math??
*Monday, March 17, 2014 at 8:31pm*

**College ?? math**

10^2 + 24^2 = c^2 100 + 576 = c^2 676 = c^2 26 = c
*Monday, March 17, 2014 at 8:09pm*

**College math**

the lengths of the legs of a right triangle are given: a=10 b=24 c=____? Thank you so much
*Monday, March 17, 2014 at 8:05pm*

**College math**

LOL - now how am I to respond to that ? Thank you and you are welcome :)
*Monday, March 17, 2014 at 5:51pm*

**College Algebra**

by intuition, it must be 8 oz or the amount of salt must stay the same, so .02(16) = .04(16-x) .32 = .64 - .04x .04x = -.32 x = 8
*Monday, March 17, 2014 at 5:13pm*

**College Algebra**

twice the concentration means half the volume, since the same amount of salt remains. So, we lost half of 16 oz, or ?
*Monday, March 17, 2014 at 5:12pm*

**College math**

You are great Damon!!
*Monday, March 17, 2014 at 5:09pm*

**College Chemistry**

How many moles of aluminum ions are present in 0.50 mole of Al2(SO4)3?
*Monday, March 17, 2014 at 5:02pm*

**College math**

b^2 = 16 4 a c = 24 oh my b^2 - 4 a c is Negative :( That means we have a pair of complex conjugate roots
*Monday, March 17, 2014 at 5:01pm*

**College math**

Which statement describes the quadratic equation 6x^2-4x+1=0,correctly? A. it is one completed real root? B. It is two complete complex roots? C. It is two unequal real roots? Please help me with this
*Monday, March 17, 2014 at 4:58pm*

**College Algebra**

Please, I need your help!How much water must be evaporated from 16oz of a 2% salt solution to make a 4% salt solution?
*Monday, March 17, 2014 at 4:52pm*

**Math college level**

well, since your tax bracket has not changed, you will still pay the same percentage. 5220/29000 = 18% So, what is 18% of the new, greater income?
*Sunday, March 16, 2014 at 11:23pm*

**Math college level**

Sorry to bother those who are helping me but I simply just do not understand and really need help. A single person could expect to pay $5220 in income taxes with an adjusted income gross of $29,000. If my adjusted gross increases to $2,000 but does not place me in a higher tax...
*Sunday, March 16, 2014 at 11:20pm*

**Florida career college**

The medical practice uses 48-inch-wide shelving units, which hold 46 inches of files per shelf. There are eight shelves. This means each unit can hold 8x46 inches = 368 inches . How many shelving units does the practice need to store its patient records?
*Sunday, March 16, 2014 at 10:46pm*

**basic college math**

in questions like these it is usually to find where the two deals are equal in cost. Or, equivalently, for how many miles is deal A cheaper than deal B. The cost the same when 25 +.4m = 30 + .25m Now just solve for m
*Sunday, March 16, 2014 at 4:54pm*

**basic college math**

What is your question?
*Sunday, March 16, 2014 at 12:53pm*

**basic college math**

need the answer to track A offers a flat fee of $25 and $.40 per mile. truck b offers a flat fee of $30 and $.25 per mile
*Sunday, March 16, 2014 at 12:51pm*

**College History**

http://www.google.com/webhp?source=search_app#q=Salonica+history I'd look at how various ethnic group lived together.
*Friday, March 14, 2014 at 8:26pm*

**College History**

How do I find the answer to the question below? Salonica is today a provincial city in a small country. For centuries it was the second city of a major empire. Little or nothing is now left of that heritage. What is it about the past of this city, however, that can provide ...
*Friday, March 14, 2014 at 8:23pm*

**Social studies**

Four major candidates ran in the 1824 election, all under the "Democratic-Republican" name. One of the candidates, Andrew Jackson, was already famous. In the 1780s, he earned the right to practice law and served in various offices of the state government, including ...
*Friday, March 14, 2014 at 1:20pm*

**College math**

You are welcome :)
*Thursday, March 13, 2014 at 5:23am*

**College math**

Thank you Damon. I could not have done this without your help!!
*Thursday, March 13, 2014 at 5:12am*

**College math**

area = pi r^2 = 16 pi = 50.26548246 m^2 approximately circumference = 2 pi r = 25.13274123 meters
*Thursday, March 13, 2014 at 4:52am*

**College math**

c^2 = a^2 + b^2 the hypotenuse is always the longest side.
*Thursday, March 13, 2014 at 4:49am*

**College math**

Find the area and the circumference of a circle of radius 4 meters. Thank you
*Thursday, March 13, 2014 at 3:57am*

**College math**

The length of the sides of a triangle are given as 8, 15, 17. The hypotenuse is the side that is the length of ____?
*Thursday, March 13, 2014 at 3:55am*

**College Physics**

Thanks so much!
*Tuesday, March 11, 2014 at 12:48am*

**College Physics**

F*sin(35) * 4.5=90*9.8*4.5/2 Then solve for F.
*Monday, March 10, 2014 at 11:41pm*

**College Physics**

PLEASE HELP. DUE TOMORROW A large box 4.5 m on a side has mass 90 kg. A force F is applied as shown, making an angle θ = 35 with respect to the vertical. How large must the force be to tip the box about the pivot point P? The force is being pulled downward with a 35 ...
*Monday, March 10, 2014 at 10:48pm*

**english **

I have to write a research paper on why ernest hemingway would be a good author for college students to ready. Any suggestions on where to start?
*Monday, March 10, 2014 at 3:47pm*

**College Chemistry**

A four step procedure will work these problems. 1. Write and balance the equation. You have that. 2. Convert what you have (in this case 81.0 g Na) to mols. mol = grams/molar mass = ? 3. Using the coefficients in the balanced equation, convert mols of what you have (Na) to ...
*Friday, March 7, 2014 at 5:08pm*

**College Chemistry**

Please help me. I have worked on this for 2 days. I don't understand the ratio of this equation.4Na+O2 to 2Na2O. for question: How many grams of Na2O are produced when 81.ograms of Na reacts?
*Friday, March 7, 2014 at 4:59pm*

**Pre-Algebra**

http://www.ck12.org/tebook/Foundation-and-Leadership-Public-Schools,-College-Access-Reader:-Geometry---Lesson-Plans-and-Exams/r1/section/8.0/
*Friday, March 7, 2014 at 11:15am*

**Which sentence is a commonplace assertion?**

Which sentence is a commonplace assertion? A. We all know that Texans are mad about football, and the players usually get the attention. B.Known as the Allen Eagles Escadrille (French for "squadron"), Allen's band is considered the largest in the country-high ...
*Thursday, March 6, 2014 at 5:08pm*

**college chemistry**

Copper(II) sulfide reacts with oxygen to produce copper (II) oxide plus sulfur dioxide. Suppose you start this reaction with 50.0 grams of copper(II) sulfide and 50.0 grams of oxygen and you actually produce 33.5 grams of copper(II) oxide. Calculate the percent yield for the ...
*Wednesday, March 5, 2014 at 5:13pm*

**college physics 1**

Reviewing Interactive Solution 5.46 will help in solving this problem. A stone is tied to a string (length = 1.29 m) and whirled in a circle at the same constant speed in two different ways. First, the circle is horizontal and the string is nearly parallel to the ground. Next...
*Wednesday, March 5, 2014 at 3:36am*

**college physics 1**

A special electronic sensor is embedded in the seat of a car that takes riders around a circular loop-the-loop ride at an amusement park. The sensor measures the magnitude of the normal force that the seat exerts on a rider. The loop-the-loop ride is in the vertical plane and ...
*Wednesday, March 5, 2014 at 3:35am*

**college physics 1**

Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. The orbital speeds of the planets are determined to be 35.1 km/s and 63.3 km/s. The slower planet's orbital period is 6.74 years. (a) What is the mass of the star? (b) What ...
*Wednesday, March 5, 2014 at 3:35am*

**Differential Equations**

A college professor contributes $5,000 per year into her retirement fund by making many small deposits throughout the year. The fund grows at a rate of 7% per year compounded continuously. After 30 years, she retires and begins withdrawing from her fund at a rate of $3,000 per...
*Tuesday, March 4, 2014 at 10:28pm*

**College Chemistry.**

Reverse eqn 1 and add to 3x eqn 2. That gives you the equation you want. Then for dH, change the sign of eqn 1 and add to 3x dH for eqn 2. By the way, you can't get what you want UNLESS you balance that equation you want. 2H2S + 3O2 ==> 2SO2 + 2H2O
*Tuesday, March 4, 2014 at 5:54pm*

**College Chemistry. **

During volcanic eruptions, hydrogen sulfide gas is released and is oxidized by the oxygen in the air yielding sulfur dioxide gas and water vapour. Calculate the standard enthalpy change for this reaction given the following: 3S(rhombic) + 2H2O(g) → 2H2S(g) + SO2(g) Δ...
*Tuesday, March 4, 2014 at 2:23pm*

**life orientation**

1fet and univesity and college
*Tuesday, March 4, 2014 at 1:56pm*

**College Cultural Geography**

Most Westerners don't accept the Saudi traditions and laws that prohibit women from driving cars.
*Monday, March 3, 2014 at 6:30pm*

**Physics 1 (college)**

I dont understand where you got .1 and then -1 from. Can you explain that?
*Monday, March 3, 2014 at 5:49pm*

**College Cultural Geography**

"Respect for traditions that violate human rights is taken by Western universalism as tantamount to disrespect for their victims." What about this part?
*Monday, March 3, 2014 at 3:07pm*

**college algebra**

1.07 s = 44,490 s = 44,490/1.07
*Monday, March 3, 2014 at 2:23pm*

**college algebra**

Mitsuko salary for next year is $44490. This represents a 7% increase over this year's salary. Find mitsuko present salary.
*Monday, March 3, 2014 at 2:11pm*

**college algebra**

800 - 300 = 500 profit I am wondering what is included in that cost though. If that is what she paid the wholesaler for the computer it is reasonable because cost of her building and help and taxes etc do not seem to be included.
*Monday, March 3, 2014 at 2:06pm*

**college algebra**

if a computer cost and electronics dealer $300 and she sell them for $800 what is her rate of Profit based on the selling price
*Monday, March 3, 2014 at 1:59pm*

**English**

Using semicolons Colleen is a clever teacher;she is also an inspiring one. Her lectures are interesting; they are full of information. She has a college degree in history; world history is her specialty. She begins her classes by answering questions; she ends them by asking ...
*Monday, March 3, 2014 at 12:06pm*

**College Cultural Geography**

Make sure you are clear on the meanings of "universalism" and "colonialism." http://www.answers.com ~~~~~~~~~ It is not possible to proclaim global human rights, on the one hand, and to have a Muslim, African, Jewish, Christian, or Asian charter of human ...
*Monday, March 3, 2014 at 6:20am*

**College Cultural Geography**

Can someone explain what this paragraph is talking about? I do not understand it. "But Western universalism, again, has two faces: it also promotes the principles of liberty and equality throughout the world. It is not possible to proclaim global human rights, on the one ...
*Sunday, March 2, 2014 at 11:33pm*

**college chemistry**

poo poo
*Sunday, March 2, 2014 at 10:50pm*

**College Chemistry - Science**

I really don't understand the problem. What are you to judge by? Of course you can deprotonate half of it if you add enough NaOH. If you add enough NaOH I should think you could deprotonate all of the HPO4^2-. But I don't know how you would tell when you were there ...
*Sunday, March 2, 2014 at 10:02pm*

**College Chemistry - Science**

In an acid-base experiment at 25.0°C, a sodium hydroxide solution was standardized against KHP. The average value for the concentration of the sodium hydroxide solution was calculated to be 0.0125 M. This solution was used to titrate the phosphoric acid present in coke. ...
*Sunday, March 2, 2014 at 9:25pm*

**College Chemistry - Science**

Thank you so much! Not it makes sense!
*Sunday, March 2, 2014 at 8:27pm*

**College Chemistry - Science**

pH 11.95 means pOH = 2.05 pOH = -log(OH^-) (OH^-) = 0.00891 0.00891 x 30 mL = about 0.27 (Note: Calculations give this as 0.267 but I've rounded to 0.27 because you're allowed only two significant figures.) mmols acid = 45 x 0.002 = 0.09 CH3COOH + NaOH ==> CH3COONa...
*Sunday, March 2, 2014 at 8:25pm*

**College Chemistry - Science**

At room temperature (25°C), 45 mL of a 0.002 M acid solution reacts with 30 mL of a NaOH (aq) solution (pH = 11.95), determine (through calculations) whether the acid is phosphoric acid (H3PO4), acetic acid (CH3COOH), or carbonic acid (H2CO3).
*Sunday, March 2, 2014 at 7:54pm*

**physics 2 for college**

What’s the potential energy of a ball attached to a spring that is stretched 0.2m from its original unstretched position. (Spring constant k=200 N/m)
*Sunday, March 2, 2014 at 1:55pm*

**Math**

The student activities department of a community college plans to rent buses and vans for a spring-break trip. Each bus has 40 regular seats and 1 handicapped seat; each van has 8 regular seats and 3 handicapped seats. The rental cost is $305 for each van and $985 for each ...
*Sunday, March 2, 2014 at 11:20am*

**college busines math**

See the Related Questions below.
*Saturday, March 1, 2014 at 11:59am*

**college busines math**

The Mills Lunch Shop prepares fresh take-out entrees each day. On Tuesday, 40 baked chicken dinners were prepared at a cost of $3.20 each. A 20% spoilage rate is anticipated. Mills Lunch Shop sells the dinners at an 80% markup based on cost. They decided to offer a $1.00-off ...
*Saturday, March 1, 2014 at 10:32am*

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