Monday

April 21, 2014

April 21, 2014

Total # Posts: 528

**Physics**

A rope of length L = 5.2 m with a total mass of m = 0.275 kg is tied to a hook rigidly mounted into a wall. A pulse of height 1.9 cm is sent down the rope. The tension in the rope is F = 29 N. (B) What is the height of the pulse that returns?

**Cultural Ant. **

What is the meaning of Theoretical approach. Form my homework question my teacher asks me to explain the theoretical approach the author adopts for her investigation. However, I have no idea what a theoretical approach is :(

**physic**

I don't know if this is right that i pulled in..but i got it wrong. Please help. 4(2090)+(3.33⋅10^5 )+100(4186)+(2.26⋅10^6)+5(4186)

**physic**

How much energy is required to change a 40 g ice cube from ice at -25°C to steam at 105°C?

**Physic**

How much energy is required to change a 40 g ice cube from ice at -25°C to steam at 105°C? Answer in J.

**Physic**

Water flowing through a garden hose of diameter 2.77 cm fills a 25.0-L bucket in 1.40 min. (a) What is the speed of the water leaving the end of the hose? Answer in m/s (b) A nozzle is now attached to the end of the hose. If the nozzle diameter is one-third the diameter of the...

**Physics**

ok. Should I post it again?

**Physics**

Thanks for helping!!

**Physics**

The conversions are correct and I'm getting the same answer using your method, but it's still saying that they are incorrect. Sorry for bothering you so much...

**Physics**

I'm not trying to be mean or anything. The WebAssign website said the answers was wrong.

**Physics**

Water flowing through a garden hose of diameter 2.77 cm fills a 25.0-L bucket in 1.40 min. (a) What is the speed of the water leaving the end of the hose? Answer in m/s (b) A nozzle is now attached to the end of the hose. If the nozzle diameter is one-third the diameter of the...

**Physics**

Water flowing through a garden hose of diameter 2.77 cm fills a 25.0-L bucket in 1.40 min. (a) What is the speed of the water leaving the end of the hose? Answer in m/s (b) A nozzle is now attached to the end of the hose. If the nozzle diameter is one-third the diameter of the...

**Physics**

Water flowing through a garden hose of diameter 2.77 cm fills a 25.0-L bucket in 1.40 min. (a) What is the speed of the water leaving the end of the hose? Answer in m/s (b) A nozzle is now attached to the end of the hose. If the nozzle diameter is one-third the diameter of the...

**Chemistry**

Gold can be recovered from sea water by re- acting the water with zinc, which is refined from zinc oxide. 2 ZnO(s) + C(s) −→ 2 Zn(s) + CO2(g) 2 Au3+(aq) + 3 Zn(s) −→3 Zn2+(aq) + 2 Au(s) The zinc displaces the gold in the water. What mass of gold can be ...

**psychology**

which of the following is not a motive for pro social behavior? egoism, collectivism, idealism, Principlism

**Math**

10. A coin is loaded so that the probability of heads is 0.55 and the probability of tails is 0.45, Suppose the coin is tossed twice and the results of tosses are independent. a.What is the probability of obtaining exactly two heads? b.What is the probability of obtaining no h...

**physics**

A submarine is at a depth of 96.0 m under the ocean surface. The inside of the submarine is kept at atmospheric pressure. What is the net force being exerted on a circular window of the submarine that has a radius of 35 cm? The density of the ocean water is 1030 kg/m3

**math 540**

suppose it takes a college student an average of 5 minutes to find a parking space on the schools parking lot. Assume also that this time is normally distributed with a standard deviation of 2 minutes. What time is exceeded by approximately 75% of the college students when try...

**math**

Ms. Ross has 24 students, 2/3 of the students have brown hair and the rest have blond hair. How many students have brown hair?

**Argosy University**

What non-quantitative factors should the management consider when making the decision to buy facility for $800,000 or lease for 10,000 a month

**liberal arts**

how to convert the number 15,257 to base 13 and the answer

**religion **

What is an example of a time when two people were competing for honor.

**college math**

I need help to convert the number 12,663 to base 13 And convert the number 15,257 to base 13 liberal arts class

**Math**

Can someone help me please with this question? Why might an organization enter into a leasing arrangement?

**Math**

A tax-exempt bond was recently issued at an annual 12 percent coupon rate and matures 20 years from today. The par value of the bond is $1,000. a. If a required market rates are 12 percent, what is the market price of the bond? b. If required market rates fall to 6 percent, wh...

**business**

What suggestions would you offer a new employee to help them effectively communicate in your workplace when meeting face-to-face, sending an e-mail, and during a meeting?

**Physics**

If a 60.0 kg person slides down an incline angled 25˚ below the horizontal and friction IS present with a coefficient of kinetic friction equal to k = 0.450. What is the person's acceleration as they slide down the slide.

**Physics**

A 2.0X10^4 N car is stopped on a 30 degree hill. If friction is negligible, what is the force of the car pushing into the hill?

**HISTORY**

How is man shaped by the times in which they live. An example of Hitler, Mlk or LBJ, or any leader that was shaped by the times in which they lived.

**Statistics**

In a study on caffeine and stress, college students indicated how many cups of coffee they drink per day and their current stress level on a scale of 1 to 10. Obtain the appropriate correlation coefficents.

**HISTORY**

That is why I posted here in the first place I don't know what aspects to compare and what to contrast. I don't need help with anything else. this is a homework help website isn't it?

**HISTORY**

I'm not taking a survey!I'm simply asking advice geez.I already have sources.

**HISTORY **

If you were going to compare & contrast FDR and LBJ what aspects of their lives would you compare what aspects would you contrast. I am writing a paper on them and what to get some ideas and see what other people think is important, in the end I will choose my own topics, just...

**Physics **

One of the concrete pillars that support a house is 2.1 m tall and has a radius of 0.35 m. The density of concrete is about 2.2 103 kg/m3. Find the weight of this pillar in pounds (1 N = 0.2248 lb).

**genetics **

can some one help me understand punnet squares. a woman claims that a certain man is the father of her daughter however the man denies this claim the daughter is colorblind but neither the mother nor the alleged father is colorblind who is telling the truth?

**To Reiny**

I don't believe the teacher's solution: 30 take just art 30 take just theater 45 take just band 15 take all three 15 take none 5 take art and band 5 take art and theater 5 take band and theater What do you think?

**7th grade math**

There are 150 students in 7th grade. After signing up for electives for next year, the counselor posted the following data: Art - 65 students Band - 70 students Theatre - 50 students Not all students signed up for an elective. Display this data using Venn Diagrams. I do not th...

**math**

sonya spent 2/5 of her money and then had $18 left. how much money did she originally have?

**research**

Thank you.

**research**

I am doing a Psychology research paper. I wrote the sources I used but my teacher says I need 3 primary sources. Im not sure what he means. Please help me understand

**grammar**

Okay, Thanks!

**grammar **

So I am writing my paper and I am confused I know you use fewer when you have something countable like items. and less when its not a countable things. For my example would I say that 5% concentration of coffee had less of an effect of fewer effects than a 10% concentration of...

**Psychology**

which of the following is not a motive for pro social behavior? Egoism, collectivism idealism, principlism

**algebra**

find the domain of each rational expression each polunomial must be fully factored and that you can only cancel factors you can not cancel terms. x^2-49 over 2x-1 and x^2-14+49 over 1-2x

**APA**

Okay I think that is what I will do, I will be bringing my paper to the writing lab at my school on Monday so if it is wrong Im sure they will point it out. Thank you so much

**APA**

before coming here ( jiskha) I did my own search but I did not find anything that said what was allowed in the text only the format. I saw this website as well. I do not remember my teacher saying any thing about questions, but I wanted to be sure

**APA **

I am writing a report in apa and I was not sure if it is okay to ask a rhetorical question in the introduction?

**Economics**

The following is a cost function for clinic visits in a small inner city clinic: a.Determine the marginal cost for each level of output. b.If the price per visit is given to be $25, at what level of visits will the maximum profit position be? What are the profits at this level...

**Algebra**

Can you please give me some real life examples of using variables and solving equations. These are 6th grade students and I need to show real-life experiences. Thanks!

**biology **

what is a full citation guide of an article?

**geometry**

Suppose the cordinate of P is 2, PQ = 8, and PR = 12. What are the possible cordinates of the midpoint of the given segment? PQ PR QR

**math**

Is 45/5 equal to a whole number or a mixed number? I can't find the answer and my parents won't help me, can you help?

**Math - missing fraction**

Please advise how it is I go about finding the missing fraction. I get so confused. The problem is: N-3/5=1/4 I know the LCD would be 20 but from there, I am lost. Thank you.

**education**

Even though the education profession continues to be a lower paying profession than other career opportunities, why do people continue to become teachers? discuss

**Finance Accounting**

Blankenship Company estimated that its warranty expense would be $4,250 for the current year. During the year Blankenship paid $920 to repair merchandise that was returned by customers. a) What is the amount of warranty expense for the current year? b) If this is the first yea...

**Finance**

Michigan Corporation purchased a new truck on January 1, 2013 for $55,000 cash. Michigan estimated salvage value of $10,000 at the end of the useful life of 5 years. On January 1, 2015 Michigan had to replace the engine of the truck paying $4,500 cash. Due to the replaced engi...

**MATH**

6. A computer company has two manufacturing plants, one in Rochester and one in Queens. Transporting a computer from Rochester to the retail outlet takes 15 hours and costs $15, while transporting a computer from Queens to the retail outlet takes 20 hours and costs $30. The pr...

**english**

I called the police for her, and she told an officer the license number and car model. “The _____ color of the car is brown,” she added, “but it has a black roof.”

**english**

“My car has been stolen!” My neighbor, Martha, ran into my house crying and angry. “I saw them take it!” I called the police for her, and she told an officer the license number and car model. “The _____ color of the car is brown,” she added, “...

**Physics**

Two billard balls move toward one another.The balls have identical masses, and the collision is perfectly elastic. The initial velocity of the balls are +30 cm/s and -20 cm/s, what is the velocity of each ball after the collision?

**Finance**

Rancher Rick purchased an additional 80 acres of hay ground to produce hay for his Angus herd. He paid $700/acre. He paid $20,000 down and took out a 10 year loan with interest calculated using add-on interest for the rest of the cost of the land. Assume annual payments and 5%...

**Chemistry**

The most common source of copper (Cu) is the mineral chalcopyrite (CuFeS2). How many kilograms of chalcopyrite must be mined to obtain 315 of pure ?

**math**

The quantity demanded each month of the Sicard wristwatch is related to the unit price given by the equation below, where p is measured in dollars and x is measured in units of a thousand. To yield a maximum revenue, how many watches must be sold? (Round your answer to the nea...

**Math**

If exactly 198 people sign up for a charter flight, Leisure World Travel Agency charges $308/person. However, if more than 198 people sign up for the flight (assume this is the case), then each fare is reduced by $1 for each additional person. Hint: Let x denote the number of ...

**forensic psychology**

explain how and why the ADA is relevant to forensic psychology professionals working in the police subspecialty in the screening and selection of police officers

**Math**

Find the absolute maximum value and the absolute minimum value, if any, of the function. g(x)=1/8x^2-4ã(x)on [0,49] maximum ? minimum ?

**math**

Determine where the function is concave upward and where it is concave downward. Concave upward: A. (-/infty,0) B.(-1,1) C.(0, infinity) D. (- infinity,infinity) E. (no interval) Concave downward: A.(-/infty,0) B.(-1,1) C.(0, infinity) D.(- infinity,infinity) E. no interval

**Math**

Thank you that the answer I got but wasnt quite sure if it was right.

**Math**

Let f(x)=x^4-4x^3+10 Find the first derivative of the function. Find the critical values of the first derivative.

**physics**

A small sphere of mass m = 7.50 g and charge q1 = 32.0 nC is attached to the end of a string and hangs vertically as shown in the figure. A second charge of equal mass and charge q2 = –58.0 nC is located a distance d = 2.00 cm below the first charge. (a) Find the tension...

**math**

Suppose the total cost function for manufacturing a certain product C(x) is given by the function below, where C (x) is measured in dollars and x represents the number of units produced. Find the level of production that will minimize the average cost. (Round your answer to th...

**Math**

A mower can cover 7.2 acres per hour. A newer model can cover 8.1 acres per hour. What percent more can the newer model cover?

**Math (Finance)**

You have a note in the amount of $10,000 at 9.5% interest running from january 5. to april 16 a. calculate the ordinary intrest. b. calculate the exact interest.

**Loan **

Borrower Brown borrowed $8,000 from the bank. He will pay 6% simple interest on the remaining balance of the loan in semi-annual equal PRINCIPAL payments for four years. How much total interest will Borrower Brown pay over the life of his loan?

**Chemistry**

If the density of gasoline is 0.66 g/ml , how many kilocalories of energy are obtained from 2.7gal of gasoline? note:When 1.0g of gasoline burns, 11,500 kcal of energy are given off.

**perimeters**

What are 5 different rectangle drawings with a perimeter of 20 units

**alegbra**

mike's automall has 130 cars on clearance all either red blue or green. there are four times as many red as green, and twice as many blue as red. how many of each color do they have

**math**

The total weekly cost (in dollars) incurred by Lincoln Records in pressing x compact discs is given by the following function. C(x) = 2000 + 2x - 0.0001x^2 (0≤x≤6000) (a) What is the actual cost incurred in producing the 1071st and the 1891st disc? (Round your answ...

**math**

Im not sure if this is right.

**math**

The total weekly cost (in dollars) incurred by Lincoln Records in pressing x compact discs is given by the following function. C(x) = 2000 + 2x - 0.0001x^2 (0≤x≤6000) (a) What is the actual cost incurred in producing the 1071st and the 1891st disc? (Round your answ...

**Language Arts**

Is this a simple sentence. Graphic artists can choose a percentage of red,blue,or yellow.

**Chemistry 101**

25 ml tartaric solution is tritrated with 31 ml ammonium equation rearranged for normality of ammonium: starting with N1V1=N2V2 N1= V1= v2= final answer N2=

**Chemistry 101**

75.0 G tartaric acid in 1 liter is what Molarity (moles/liter)? mw=150.087 g/mol

**phi**

Karl Popper advocates, as a more efficient way to examine a scientific hypothesis, which of the following?

**critical t hinking**

Reporter: A new campaign finance reform bill being considered by Congress would limit the amount of campaign contributions that political candidates can receive. However, a survey of candidates running for mayor, governor, and senate seats shows that not one of them favors the...

**Theatre history**

Electra by Euripides

**Theatre history **

What are the possible orgins of Electra subject matter, are there any plays using the same subject matter, if so how do they differ ?

**THEATRE HISTORY**

Thank You, only im not really sure how this helps me wright about Electra ? wrong post?

**THEATRE HISTORY**

Can someone Help me find good sourses for an analogy of euripides Electra? Ineed both information and ideas to write my paper thanks.

**Theatre History paper**

source for analyses, and things of that matter.I want to get some ideas for my own paper.

**Theatre History paper **

Can someone tell me where I can Find reliable sources for Electra by Eurpides ?

**math**

An elephant eats about 500 pounds of grass and leaves every day. There are 2 Africa elephants and 3 Asian elephants living in the City Zoo. How many pounds of grass and leaves do the zookeeper need to oreder each week to feed all the elephants?

**chemistry**

Provide a alternative method for a neat spectrum of a liquid with a bioling point of 35 degress celcius using salt plates. how does the solubility of running the infrared spectrum under this?

**chemistry**

a neat spectrum of liquid with a boiling point of 150 degrees celcius determined using salt plates

**math**

paula and manda were asked to write and expression to find the total number of shoes in a closet. let s represt the number of pairs of shoes. paula wrote s and manda wrote 2s. who is correct and why?

**math**

In 2005, California had 21 more seats in the IS Congress than Texas had. If the t represents the number of seats Texas had, write an expression for the number of seats California had?

**Physics**

A speeder passes a parked police car at a constant speed of 24.8 m/s. At that instant, the police car starts from rest with a uniform acceleration of 2.45 m/s2. How much time passes before the speeder is overtaken by the police car?

**Physics**

A speeder passes a parked police car at a constant speed of 24.8 m/s. At that instant, the police car starts from rest with a uniform acceleration of 2.45 m/s2. How much time passes before the speeder is overtaken by the police car?

**math**

Could you please assist me on how to work this problem? A student wrote 5 + 24+6=5 + 25 + 24 + 6 by the associative property. what error did the student make?

**early childhood dev. **

Summarize your findings that teachers might face in orchestrating play for children with special needs

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