Wednesday
February 10, 2016

# Posts by Unknown

Total # Posts: 1,021

Physics
Suppose we have two qubits in the state α|00⟩+β|11⟩. (a) If we measure the first qubit in the sign basis, what is the probability of seeing a +? (b) What is the resulting state of the second qubit in that case? Use a and b to denote α and β ...
February 17, 2013

Physics
Now note that the following becomes good approximations as θ→0: sinθ≈θ sin2(π4−θ)≈12−c⋅θ (where c is some constant.) Use these approximations to estimate the probability of success of the two measurements as x&#...
February 17, 2013

Physics
We have a qubit in the state |ϕ⟩=3√2|0⟩+12|1⟩, which we want to measure in the {cosθ|0⟩+sinθ|1⟩,sinθ|0⟩−cosθ|1⟩} basis. In order for the two possible outcomes to be equiprobable, what should ...
February 17, 2013

Physics
Suppose we have two qubits in the state α|00⟩+β|11⟩. (a) If we measure the first qubit in the sign basis, what is the probability of seeing a +? (b) What is the resulting state of the second qubit in that case? Use a and b to denote α and β ...
February 16, 2013

Physics
A two-qubit system was originally in the state 34|00⟩−5√4|01⟩+14|10⟩−14|11⟩, and then we measured the first qubit to be 0. Now, if we measure the second qubit in the standard basis, what is the probability that the outcome is 0?
February 16, 2013

Physics
Factor 122√|00⟩−122√|01⟩+3√22√|10⟩−3√22√|11⟩ into (a|0⟩+b|1⟩)(c|0⟩+d|1⟩), where |a|2+|b|2=1 and |c|2+|d|2=1. What is the value of |a|?
February 16, 2013

Physics
If the first qubit is in the state 13√|0⟩+2√3√|1⟩ and the second qubit is in the state 2√3√|0⟩+13√|1⟩, what is the state of the composite system?
February 16, 2013

Physics
We have a qubit in the state |ϕ⟩=3√2|0⟩+12|1⟩, which we want to measure in the {cosθ|0⟩+sinθ|1⟩,sinθ|0⟩−cosθ|1⟩} basis. In order for the two possible outcomes to be equiprobable, what should ...
February 16, 2013

Physics
Rewrite 13√|0⟩+2√3√|1⟩ in the sign basis.
February 16, 2013

Physics
What is the inner product of 13√|0⟩+2√3√|1⟩ and |+⟩?
February 16, 2013

World history; Check:P
The one about 10,000 years ago,
February 15, 2013

World history; Check:P
Human Origins Essay Write a opinion paper on the most significant consequences of the Agricultural Revolution. One of the greatest consequence was that the population increased. The increase of population lead to the need of more clothing. People who were farmers moved to ...
February 15, 2013

World history; HELP
Human Origins Essay Write a opinion paper on the most significant consequences of the Agricultural Revolution. I don't know the significant consequences.
February 15, 2013

World history; Check:P
Like this? Hebrews were monotheists. They prayed to only one god, unlike their neighbors. Their neighbors were polytheists. Hebrews worshiped Yahweh. Yahweh was their one and only god. Other religions sacrificed humans while that wasn't part of the Hebrew religion. "...
February 15, 2013

World history; Check:P
I fixed it. I'm ready to be criticize again. Please check? Indo - Europeans Essay How did the religion of the Hebrews differ from many of the religions of their neighbors? Hebrews were monotheists. They prayed to only one god, unlike their neighbors. Their neighbors were ...
February 15, 2013

World history; HELP
christo! -_- Is this better? Hebrews were monotheists they prayed to only one god, unlike their neighbors. Their neighbors were polytheists. Hebrews worshiped Yahweh. Yahweh was their one and only god. Other religions sacrificed humans while that wasn't part of the Hebrew ...
February 15, 2013

World history; HELP
Better? Hebrews were monotheists they prayed to only one god, unlike their neighbors. Their neighbors were polytheists. Hebrews worshiped Yahweh. Yahweh was their one and only god. The Hebrews asked At the time other neighborly religions sacrificed humans while that wasn't...
February 15, 2013

World history; HELP
That's all I have so far. I need to add more. Help please? How did the religion of the Hebrews differ from many of the religions of their neighbors? Hebrews were monotheists they prayed to only one god, unlike their neighbors. Their neighbors were polytheists. Hebrews ...
February 15, 2013

World history; Check:P
How's this so far? :) I kind of tried my best. Indo - Europeans Essay How did the religion of the Hebrews differ from many of the religions of their neighbors? Hebrews were monotheists they prayed to only one god, unlike their neighbors. Their neighbors were polytheists. ...
February 14, 2013

physics
Now note that the following becomes good approximations as θ→0: sinθ≈θ sin2(π4−θ)≈12−c⋅θ (where c is some constant.) Use these approximations to estimate the probability of success of the two measurements as x&#...
February 14, 2013

Physics
We have a qubit in the state |ψ>= √3/2 |0>+ 1/2 |1>, which we want to measure in the {Cos θ |0> + Sin θ |1>, Sin θ |0> - Cos θ |1>} basis. In order for the two possible outcomes to be equiprobable, what should be the value of...
February 14, 2013

Check/Help:WorldHistory
The Egyptian and Nubian Empires Essay Write a one paragraph essay on how developments in technology influenced the rise and decline of the Assyrian Empire. Technology helped the Assyrian Empire defend them selfs from being attacked. They used ironworking technology to dress ...
February 14, 2013

World history; Check:P
Is this better? There are multiple consequences from the Neolithic Agricultural Revolution. It was a major time period in the world and was very significant for us humans. It was the shift from the custom of hunting and gathering to farming and domesticating animals. There ...
February 14, 2013

World history; Check:P
Human Origins Essay Write a opinion paper on the most significant consequences of the Agricultural Revolution. The weather climate caused rising temperatures worldwide provided longer growing seasons and drier land for cultivating wild grasses. The Neolithic Revolution is the ...
February 14, 2013

World history; Check:P
Thank you. [:
February 13, 2013

World history; Check:P
Spain's Empire Assignment Why did absolute monarchs believe that they were justified in exercising absolute power? Absolute monarchs believed in divine right, the idea that God created the monarchy and that the monarch acted as God’s representative on earth. How did ...
February 13, 2013

World history; Check:P
Thomas More, Wasn't the pope? Should I just take that part out then?
February 13, 2013

World history; Check:P
Henry had the pope arrested. And Henry's second wife Elizabeth.
February 13, 2013

World history; Check:P
How is this? :) 3.What impact did Henry VIII’s actions have on England in the second half of the 1500s? Henry wanted a son, but his first wife couldn't have any more kids. He wanted to divorce her, the church did not allow divorce. Henry called Parliament into session...
February 13, 2013

World history; Check:P
Renaissance Assignment What was the attitude of Church leaders and the wealthy toward the arts? Why? The attitude of the church was encouraging and loved the art that was being done because they were willing to spend tons of money for art. They became patrons and supported the...
February 13, 2013

math 5th
It's 60 yards2.
February 12, 2013

World history; Check:P
Before the 1500s, who and what were the final authorities with regard to most knowledge? The church and it's leaders, the bible, and the king/queen. If they could not come up with an answer to a question, they would say that God did it. 2.What was the legacy of the ...
February 12, 2013

World history; Check:P
I still need help with 2 and 3. SOrry. I read it but still don't understand.
February 12, 2013

World history; Check:P
2. During the Crusades, European contact with Muslims and Byzantines greatly expanded. This contact brought a new interest in learning, especially in the works of Greek philosophers. The Muslim and Byzantine libraries housed copies of these writings. 3.to win wider support ...
February 12, 2013

World history; Check:P
Medieval Society Assignment What were three main causes of the need to reform the Church? The three main causes were: • Many village priests married and had families. Such marriages were against Church rulings. • Bishops sold positions in the Church, a practice ...
February 12, 2013

World history; HELP
Please can someone help me? 2.How were Muslim scholars linked to the revival of learning in Europe?
February 12, 2013

World history; Check:P
1.What was the significance of the Twelve Tables? The Twelve Tables were significant because they were an early example of written law displayed publicly for all who could read them. They were later used as the laws for Rome. "The Twelve Tables established the idea that ...
February 12, 2013

physics
We have a qubit in the state |ψ>= √3/2 |0>+ 1/2 |1>, which we want to measure in the {Cos θ |0> + Sin θ |1>, Sin θ |0> - Cos θ |1>} basis. In order for the two possible outcomes to be equiprobable, what should be the value of...
February 12, 2013

physics
(a) A vertically polarized photon goes through two polarizing filters, the first of which is vertically aligned and the second at degrees. What is the probability that the photon is transmitted through both filters? (b) Now, you are allowed to place a polarizing filter between...
February 12, 2013

physics
anything for 12 and 13?
February 12, 2013

physics
nope :( for 10 nor 11...any help?
February 12, 2013

physics
In the double-slit experiment, consider the point at the middle of the final (detector) screen which is equidistant from the two slits. Suppose the intensity at that point is when either slit is open. Now for each of the three cases (a) bullet (b) wave (c) quantum mechanics (...
February 12, 2013

World history; Check:P
What is the significance of the twelve tablets The Twelve TABLES were significant because they were an early example of written law displayed publicly for all who could read them, another example being Hammurabi's Code What measures did the government take to distract and ...
February 11, 2013

World history; Check:P
What contributions did Solon and Cleisthenes make to the development of Athenian democracy?Solon let all Athenian citizens participate in the Assembly and Cleisthenes created the Council of Five Hundred. What steps did Pericles take to strengthen democracy in Athens? he ...
February 11, 2013

World history; Check:P
Yes. I know. It doesn't make sense to me either. Dx Thanks for trying though. :)
February 11, 2013

World history; Check:P
I can't seem to understand what this question is asking, but I have tried to answer it. Can someone check it please? :) Why were the epics of importance to the Greeks of the Dorian period? Answer: The Dorians were far less advanced than the Mycenaeans. The economy ...
February 11, 2013

English; Help/Check.
e last word in each sentence is either an adjective or an adverb. 1. The sun burnt the grass quickly. Answer: adverb 2. It burnt the grass black. Answer: adverb 3. He drove his employees hard. Answer: Adjective 4.The student studied hard for his test, so she did well. Answer: ...
February 6, 2013

English; Help/Check.
Check, Please? Select the one that is a Not a sentence fragment. A. Asking the interviewer how often he would have to work on weekends. B. To apply for a job at the new store in the mall. C. Shaking his new boss's hand, Tony knew he would like working there. Answer: C ...
February 6, 2013

English; Help..
I'm attempting to write a persuasive essay about a book that I think should get on shelf.. Can anyone giving me ideas?
February 6, 2013

English; Help/Check.
February 6, 2013

English; Help/Check.
You were to listen to two authors (see chapter 11 for the list of authors -- click on any two of the links, and listen to the two authors you chose). Now you need to identify specific examples of the following: * Central idea (explain the main idea of what the author was ...
February 6, 2013

English; Help/Check.
-__- thanks for help
February 5, 2013

English; Help/Check.
Write down what you learn about Herbert, Mr. White, and Mrs. White from their reactions to the paw. Ms.WHite: She didn't think if you asked for something you'd get something taken away for that wish. Mr.WHite: he seemed to only want the the paw for show but, when he ...
February 5, 2013

World history; Check:P
Write a opinion paper on the most significant consequences of the Agricultural Revolution. We have Neolithic Farmers to thank for early settlements, villages and then towns. They made all that happen by dint one one simple factor - food surplus. You don't get food surplus ...
February 5, 2013

Physics
All I need is the formula for this. Can't remember it or what it's called, then I can solve it, thank you! The second harmonic of a guitar string has a frequency of 120 Hz. What is the length of the guitar string if the speed of the waves on the string is 110 m/s?
January 31, 2013

Physics
you just saved my life
January 29, 2013

Physics
A 0.35 m2 coil with 50 turns rotates at 5 radians per sec2 in a magnetic field of 0.6 Tesla. What is the value of the rms current in the coil if the coil has the resistance of 3.3 Ù? Can you also show me how you got the answer? Thanks so much
January 29, 2013

Geometry; Check
OH! your right I see my mistake!! Thanks. For them it was double negative.. Thanks.
January 29, 2013

Geometry; Check
Measuring segments: 8. Line AB ; A= -8 B= -6 Answer: Line AB=2 9. Line BD ; B= -6 D=-3 Answer: Line BD= 9 10. Line AD ; A= -8 D= -3 Answer: Line AD= 11 11. Line CE ; C= 1 E= 7 Answer: Line CE=6
January 29, 2013

English; Help/Check.
The raven.
January 28, 2013

English; Help/Check.
What is the main idea of 'The Raven' by Edgar Allan Poe? The raven haunts the man while being awfully depressed by his long lost love.
January 28, 2013

Physics
A 0.35 m2 coil with 50 turns rotates at 5 radians per sec2 in a magnetic field of 0.6 Tesla. What is the value of the rms current in the coil if the coil has the resistance of 3.3 Ù? Have no idea how to do this...
January 27, 2013

English; Help..
Stupid! -__-Yeah thanks for helping all you guys were doing was being mean! -__-
January 25, 2013

English; Help..
Imagine that you are an agent who is interested in publishing new authors. Choose any book you like and present the book to a publisher in New York. You want to be the person responsible for putting the book on the shelf. You should convince the publisher that the book is well...
January 25, 2013

World history; Check:P
What methods did the Assyrians use when they attacked enemy cities? The satrapies were linked by a 2,500-kilometer highway, the most impressive stretch being the Royal Road, built by command of Darius I. Royal inspectors, the "eyes and ears of the king", toured the ...
January 24, 2013

History
Why would the canal developers have studied the British canal system before they designed the Erie Canal? Write four questions the developers might have asked during their studies.
January 23, 2013

College chemistry
A farmer applies 13.50 kg of a fertilizer that contains 10.0% nitrogen to his fields each year. Fifteen (15.0%) percent of the fertilizer washes into a river that runs through the farm. If the river flows at an average rate of 0.265 cubic feet per second. What is the ...
January 22, 2013

math
The 6th term of an arithmetic sequence is x while the 11th is y find the 1st 2 terms
January 20, 2013

English
But is it 6 correct?
December 13, 2012

English
-___- That's what it takes. Never mind. Yes, I am stupid. Thanks, Anyways.
December 13, 2012

English
Thanks, even theme is correct? I have three types of verses to choice from. -Rhyming verse -Blank verse (has rhythm, usually iambic pentameter, but has no rhyme) -Free verse I believe now, it's blank verse. Am I correct?
December 13, 2012

English
CHECK PLEASE?! Part 1: Poem Structure "Annbel lee" by edgar allen poe In this part, you will analyze the structure of the poem. Please fill out the following. Title of Poem:Annabel lee Poet: Edgar allen poe Theme: potrait Type of Poem:Narrative poetry Style of Verse...
December 13, 2012

Spanish
Spanish ?? Mandatos informales . Check Please, Answers are on the bottom of the page. 1) Choose the correct informal command for the following verb (Ayudar) ___________ a tu hermano A. Ayudas B. Ayudes C. Ayuda D. Ayude E. Ayudó F. Ayudaba 2) Choose the correct informal...
December 13, 2012

Spanish
This one also. If a noun ends in "ión" in Spanish, its gender is: A. masculine B. feminine C. depends on whether it's a male or female noun D. depends on the adjective it modifies E. both masculine and feminine F. depends on whether the article is "el...
December 13, 2012

Spanish
Check this answer? Which letters exist in the Spanish alphabet, but not in the English? A. ll B. ch C. ñ D. s E. none of the above F. a,b,& c only My answer was : B
December 13, 2012

Spainsh
Thanks :)
December 13, 2012

Spainsh
*Correct
December 13, 2012

Spainsh
1. B. 2.A 3.B Are those corect now?
December 13, 2012

Spainsh
Thank you.
December 13, 2012

Spainsh
Check? Choose the correct option to complete the sentence Choose the correct option to complete the sentence 1. Marco y Ana ______________ en Acapulco por 3 semanas A. estuvo B. estuvieron C. estuvimos D. estuvisteis My answer: A Yo no _____________ comprar ropa muy cara en la...
December 13, 2012

I ask questions on this website all the time and i realized that you probably are busy all the time! I Want to thank you!! I notice how you talk to other students and you are very helful and nice! i think everybody apriciates what you do! i have a lot of friends who post ...
December 10, 2012

Oh my okay they were mostly all wrong! I am not using these sites again.. Wow.. Just got a 70%.. I am gonna say screw thiss..!
December 3, 2012

GAHHH!! What are the right answerrs!
December 3, 2012

I have no clue who to trust.. I need them to and can't figure out which ones are right!
December 3, 2012

Algebra2
Is this right?? 1. f(x)= |x-5| if x≤1 ; (1)/(x+1) if x>1 f(-5) = |-5-5| = 10 f(1) = |1-5| = 4 f(3) = 1/4
November 30, 2012

math
7.9% 0.079*100
November 30, 2012

Algebra2
Lol. Ahh yes I know. I found that mistake. and corrected it too. Thank you though.
November 30, 2012

Algebra2
Thanks very much!
November 30, 2012

Algebra2
Is this right?! G(x)=x^3+2 ; x=-2.-1.0,1,2 g(-2) ; -2^3+2=-6 g(-1) ; -1^3+2=1 g(0) ; 0^3+2=2 g(1) ; 1^3+2=3 g(2) ; 2^3+2=10
November 30, 2012

Algebra2
Help? f(x)=5 ; x=3,-2,-1,0,1,2,3
November 30, 2012

Algebra2
is this right? 27. h(x)= |x-3| ; x=0,1,2,3,4,5,6 h(x); |0-3| =3 h(x); |1-3|=2 h(x); |2-3|=1 h(x); |4-3|=1 h(x); |5-3|=2 h(x); |6-3|=3
November 30, 2012

Algebra2
Check? 25. f(x)= x^2-1 ; -3, -2, -1, 0, 1, 2 ,3 = f(x); -3^2-1=-10 f(x) ; -2^2-1=-5 f(x) ; -1^2-1=-2 f(x) ; 0^2-1=-1 f(x) ; 1^2-1=0 f(x) ; 2^2-1=3 f(x) ; 3^2-1=8 26. g(x); √(x+1)-2 ; x+-1, 0, 3, 8 g(x) ; √(-1+1)-2=-2 g(x) ; √(0+1)-2=-1 g(x) ; √(3+1)-2=4...
November 29, 2012

Algebra2
Find the functional values f(-5), f(1), and f(3) for the compound function. 1. f(x)= |x-5| if x≤1 ; (1)/(x+1) if x>1
November 29, 2012

Algebra2
Graph the given function using the given values of x. Also use the graph to determine the domain and range of the function. 1. f(x) = x^2 -1 ; x = -3, -2, -1, 0, 1, 2, 3 2. g(x) = squareRoot Of ; x+1 - 2 ; x = -1, 0, 3, 8 3. h(x) = |x-3| ; x = 0, 1, 2, 3, 4, 5, 6
November 29, 2012

Algebra2
Give the domain of the function : 1. g(x) = 5 / x^2 - 25 2. f(t) = 3t^2 + 5t + 2 3. h(x) = SquareRoot Of : 5x - 2
November 29, 2012

iMATH!
Is the answer somehow 6 1/2
November 26, 2012

iMATH!
Zac moved 1/5 of the things from his old bedroom to his new dorm in 32 1/2 minutes. How long will it take in minutes for him to move all his things to his new dorm room? I need help with the problem I want to know the equation and how to get the answer. And please tell me the ...
November 26, 2012

probability
Say there are 65 marbles in the bag. Then there will be 15 red marbles, 26 blue marbles, and 24 green marbles. so without replacement the probability of receiving a green marble and then a red marble would be (24/65)(15/64) which is 9/104
November 15, 2012

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