Tuesday
September 23, 2014

Posts by s


Total # Posts: 323

physics
Suppose we have |ϕ⟩=∑y∈{0,1}nβy|y⟩ such that βy=0 if s⋅y=1mod2 and βy=12(n−1)/2 if s⋅y=0mod2, where s is some hidden n-bit string. (a) If we run Fourier sampling on |ϕ⟩, what is the probability that we...
March 4, 2013

Physical Science
thank you!
March 1, 2013

Physical Science
ok so i keep getting one wrong on a 4 question test and failing so can someone tell me what im getting wrong 1. What causes an electric current in a wire? A. Electric fields cause atoms to move in the wire. B. Electrons flow because of electrical attraction and repulsion. C. ...
March 1, 2013

chemistry
Which compound would you expect to have the highest melting point? BeO MgO CaO SrO
March 1, 2013

physics
Suppose we have two qubits in the state (a|0⟩+b|1⟩)|0⟩, to which we apply the following circuit. (a) Is the resulting state entangled? Yes No (b) Specify the state of each qubit after we applied the circuit.
March 1, 2013

Physics
pls answer part c
February 17, 2013

math//algebra
She needs the polynomial... it isn't hard to figure out the 50%
December 19, 2012

Chemistry
THANK U VERY MUCH ODESA...THAT WAS ACCURATE FORMULA..
December 15, 2012

ELA
can you shorten it now: Living in India with rich and vibrant colors exotic, expressive, and aromatic; what could the doves possibly live in fear with? Dragons are the doves enemies & fear the perindnes tree. The shadow of the tree was casted east, the dragon would flee to the...
December 1, 2012

ELA
Is it possible if you can shorten the text: Perindnes Tree, its sweet fruit throughout the tree is remarkably pleasing; a dove’s delight living in the tree. Living in India with rich and vibrant colors exotic, expressive, and aromatic; what could the doves possibly live ...
December 1, 2012

ELA
I need a few suggestions of store names. Its a grocery store in Manhattan. Thx
November 27, 2012

Physics
If a supersaturated sugar solution is allowed to evaporate slowly, sugar crystals form in the container. Hence, sugar molecules go from a disordered form (in solution) to a highly ordered, crystalline form. Does this process violate the second law of thermodynamics? Explain.
November 25, 2012

Physics
A monatomic ideal gas expands from 1.00m^3 to 2.50m^3 st a constant pressure of 2.00x10^5 Pa. Find the change in the internal energy of the gas.
November 22, 2012

Physics
Consider a piece of metal that is at 5 deg C. If it is heated until it has twice the internal energy, its temperature will be. a)556 deg C b)283 deg C c)273 deg C d)278 deg C e)10 deg C
November 19, 2012

Physics
9. In which system is heat usually transferred from the cooler part to the warmer part? a. A stove as it heats up water. b. A refrigerator that is running. c. An electric fan that is running. d. None of the above, because it is impossible to transfer heat in this manner.
November 19, 2012

Physics
If 9.30 x 10^5 J of energy are transferred to 2.00kg of ice at 0 deg C, what is the final temperature of the system?
November 15, 2012

Physics
How long would it take a 1.00 x 10^3 W heating element to melt 2.00kg of ice at -20 deg C, assuming all energy is absorbed by the ice?
November 15, 2012

Physics
How long would it take a 1.00 x 10^3 W heating element to melt 2.00kg of ice at -20 deg C, assuming all energy is absorbed by the ice?
November 15, 2012

Physics
If 9.30 x 10^5 J of energy are transferred to 2.00kg of ice at 0 deg C, what is the final temperature of the system?
November 14, 2012

Physics
Lead has a density of 11300 kg/m^3 at 0 degrees celcius. What is the density of lead at 90 degrees celcius?
November 14, 2012

chemistry
LA
November 9, 2012

College Math 111
Assuming evey year is 365 days, and that you were counting one dollar each second,how long would it take to count 3.803 trillion dollars? Write your answers as years+days,rounded to the nearest day
November 8, 2012

physics
A baseball player puts a baseball on a batting tee. The baseball bat is able to deliver 400,000 W of power and is in contact with the ball for 0.70 ms and a distance of 1.4 cm. the mass of the ball is 145g. What is the average acceleration?
November 7, 2012

Computer Science
Given three Strings, str1, str2 and str3, return the longest String. If all three Strings have the same length, return "same". There will not be a tie between two longest Strings. longestString("apple", "banana", "pear") → "...
October 30, 2012

English
Identify whether the italicized words in the sentences below are used as participles or verbs. She’s an EXPERIENCED chef; she should have no trouble finding work. participle or verb? I would say participle.
October 29, 2012

English
At what point of a plot does the action wind down to reveal the effects of the action or decision? climax exposition falling action resolution Read the following passage from “The Oxcart”: The governor of Settsu had three outstanding samurai in his service. Their ...
October 29, 2012

History
Which West African kingdom was the first to benefit from the gold and salt trade? Ghana Songhai Mali Morocco My answer is Ghana.
October 25, 2012

Science
Choose an ecosystem to research with regard to abiotic factors and how organisms in that particular ecosystem depend on those abiotic factors. Write a paragraph that describes the ecosystem that you selected and how organisms compete for abiotic factors within that ecosystem. ...
October 23, 2012

Stats
Cans of regular Coke are labeled as containing 12. Statistics students weighted the content of 10 randomly chosen cans, and found the mean weight to be 12.1. Assume that cans of Coke are filled so that the actual amounts are normally distributed with a mean of 12 and a ...
October 20, 2012

social studies
read the map and answer What is the elevation level of boston Massachusetts?
October 3, 2012

Algebra
how do you solve xp-yp=z
September 26, 2012

Physics
A skier leaves the end of a horizontal ski jump at 22.0 m/s and falls 3.20 m before landing. Neglecting friction, how far horizontally does the skier travel in the air before landing?
September 16, 2012

College Algebra
4.(3)^1/2 6.92
September 9, 2012

chemistry
An automobile maker has an order for 7,500 new cars to be delivered in one week. Each car must be fitted with a new hood ornament that requires 1 hour and 15 minutes to install. Assuming the factory operates on a standard workweek shift (8 hours per day for 5 days), how many ...
May 30, 2012

National Junior Honor Society Essay Check
Many gramatical errors.
May 15, 2012

ELA
I need figurative language on the genre fantasy
May 15, 2012

Thermodynamics
A heat pump works on the vapor compression refrigeration cycle with 0.2 kg/s of refrigerant-134a as the working fluid. The cycle is used to keep a house at 26oC while absorbing heat from the outside at 3oC. R-134a enters the compressor at 200 kPa as a saturated vapor and ...
April 23, 2012

Chemistry
What is the solubility in grams per liter of SrSO4, in 0.23 M Na2SO4? Ksp for SrSO4 = 2.5E-7
March 20, 2012

Chemistry
Okay, thanks so much for your help!! :)
February 21, 2012

Chemistry
Is this the correct way to set it up & solve for the problem? [OH-] = 10^-11.63 [OH-] = 2.34E-12 I wasn't sure if it was the same set up as it is for the hydronium ion.
February 21, 2012

Chemistry
A detergent solution has a pH of 11.63 at 25°C. What is the hydroxide-ion [OH-] concentration?
February 21, 2012

business law
testing
February 4, 2012

Math
10 total marbles 3/10 red 1/9 white (since the marble isn't replaced) So, 3/10 x 1/9 = 1/30
February 2, 2012

Math
10 total marbles 3/10 red 1/9 white (since the marble isn't replaced) So, 3/10 x 1/9 = 1/30
February 2, 2012

math
3 ft = 1 yd So, 2355 ft/3ft = 785 yd
February 2, 2012

math
That's not true. 0 isn't equal to 16. & It isn't greater than 16.
February 2, 2012

math
definition of area ??? helpp :/
February 2, 2012

Chemistry
Is (NH4)2 CO3 ionic or covalent?
January 31, 2012

Chemistry
Made a mistake. ****Mole Fraction = 0.0303 moles NH4CL
January 24, 2012

Chemistry
Thanks so much for the feedback! I think I figured the answers out! :) Molarity = 0.161 M Molality = 1.74 m Mole Fraction = 1.57E-4 moles NH4Cl
January 24, 2012

Chemistry
An aqueous solution is 8.50% ammonium chloride, NH4Cl, by mass. The density of the solution is 1.024g/mL. Calculate the molality, mole fraction, and molarity of NH4Cl in the solution. I know the formulas needed but I'm not sure where to start. M = moles solute/1 L solution...
January 24, 2012

Chemistry
Thanks so much for your feedback! :)
January 23, 2012

Chemistry
Wouldn't I just leave the answer as 0.0003 moles since the question is asking for the amount of the moles of the iron ion Fe +3 ? :) That's when I got confused.
January 23, 2012

Chemistry
A student mixed 15.0 mL of a solution of 0.0200 M ferric chloride FeCl3, with 25.0 mL of water. Calculate the moles of iron ion, Fe +3 in the resulting solution. (I think this is a Dilution problem, but I wasn't really sure how to start it out. Any help would be greatly ...
January 23, 2012

Grade 12 chemistry
thats not an answer...
December 31, 2011

math
If the line 3x-4y = 0 is tangent in the first quadrant to the curve y = x^3 + k, then k is
December 28, 2011

Physics
Before starting this problem, review Multiple-Concept Example 6. The left ventricle of the heart accelerates blood from rest to a velocity of +20.6 cm/s. (a) If the displacement of the blood during the acceleration is +2.87 cm, determine its acceleration (in cm/s2). (b) How ...
December 13, 2011

physics
A cue ball (mass = 0.140 kg) is at rest on a frictionless pool table. The ball is hit dead center by a pool stick which applies an impulse of +1.60 N·s to the ball. The ball then slides along the table and makes an elastic head-on collision with a second ball of equal ...
December 7, 2011

physics
A 54.5 kg. skateboarder starts out with a speed of 1.90 m/s. He does +80.0 J of work on himself by pushing with his feet against the ground. In addition, friction does -265 J of work on him. In both cases, the forces doing the work are nonconservative. The final speed of the ...
November 21, 2011

Discrete Math
5000
October 27, 2011

MATH (REPLY FAST)
4-3|m+2|>-14
October 21, 2011

mATH
4-3|m+2|>-14
October 21, 2011

physics
Vector (V1) is 6.3 units long and points along the negative (X) axis. Vector(V2) is 9.0 units long and points at 55 degree to the positive (X)axis. 1- What are the (X) and (Y) components of (V1) vector ? 2-What are the (X) and (Y) components of(V2) vector ? 3-Determine the ...
October 8, 2011

american history
What successful northern naval victory stongly proved the value of sea power?
July 16, 2011

chemistry
is the answer 24?
July 14, 2011

chemistry
If I have 10 silver coins and they weigh 55 grams and displace water from 25 mL to 35 mL, what is the density? What is the specific gravity?
June 26, 2011

chemistry
how much heat energy would it take change the temperature of 50 mL of water from 23 C to 28 C?
June 26, 2011

Math
Explain the difference between square root functions
May 17, 2011

Math
What does the solution of a system of equation mean? Give one example
May 17, 2011

law of sines and cosine
a house is built on a triangle plot of land. two sides of the plot are 160 feet long and they meet at an angle of 85 degrees. if a fence is to be built around the property, how much fencing material is needed
April 28, 2011

english
the verb in this sentence is:After a pronlonged delay due to technical difficulties,the program resumed
March 30, 2011

chemistry
These are short and simple. :) I've included my answers, tell me if I am wrong please. CH3 is attached to a carbon on a pentane ring. Is the hybridization of the carbon sp3? NH connects a benzene ring to two benzene rings. Is the hybridization of the nitrogen sp2? OH is ...
March 16, 2011

chemistry
These are short and simple. :) I've included my answers, tell me if I am wrong please. CH3 is attached to a carbon on a pentane ring. Is the hybridization of the carbon sp3? NH connects a benzene ring to two benzene rings. Is the hybridization of the nitrogen sp2? OH is ...
March 16, 2011

johnson
The length of a rectangular floor is 2 feet more than its width. The area of the floor is 168 square feet. Kim wants to use a rug in the middle of the room and leave a 2 foot border of the floor visible on all sides. What should the length (the longer side) of the rug be?
February 16, 2011

Psychology
Which if these questions does not help to assess the vaildity of research findings: a. How much did this study cost? b. Are the results presented fairly? c. What was the purpose of te research? d. How well was the study conducted?
January 30, 2011

Critical Thinking
What is one important distinction you could not overlook making when critically evaluating the information provided in these materials about the Boston Tea Party? Clarify the improtance of theat distinction.
January 30, 2011

MATH
STATE THE SLOPE AND Y-INTERCEPT OF THE EQUATION 5X-2Y=-10
January 27, 2011

science - chemistry
Some heat is supplied to a mixture of ice and liquid water in a closed container and the contents of the container are thoroughly mixed. If, after the addition of heat, both ice and liquid water remain: A) the temperature of the system will increase B) the vapor pressure will ...
December 27, 2010

Algebra 1
I need to find the equation for these function tables (ex. y=2x). Is there a general formula for finding the equation, or do I have to guess each time? 1. (4,3) (6,13) (8,23) 2. (5,22) (6,15) (7,8) 3. (4, 90) (6,82) (8,72)
November 14, 2010

Humanities
What are the different forms of social media that exists today?
November 13, 2010

Physics
I don't know
November 3, 2010

8th grade math
If r = 12.5 and s = |−13|, which of the following inequalities is not true? A) r ≠ s B) r < s C) r ≥ s D) r ≤ s
November 2, 2010

algebra
false
October 30, 2010

algebra
percent means hundredth true or false?
October 30, 2010

algebra
the symbol % represents percent or percentage true or false
October 30, 2010

3rd grade
asking about a halfway number is irrelavent?
October 25, 2010

3rd grade
R wants to round 47 to the nearest ten. Which halfway number can help him? 45, because it is halfway b/w 40 & 50 or 50, because it is halfway b/w 0 & 100?
October 25, 2010

Chemistry Honors
I need help balancing equations 1) CH4+O2-->CO2-->+H2O 2) Hf+N2-->Hf3N4 3) Mg+H2SO4-->MgSO4+H2 4) C2H6+O2 -->CO2+H2O 5) Pb(NO3)2 + NaI--> PbI2+NaNO3 6) Fe+O2-->Fe3O4
October 20, 2010

math
Melissa collected 3 kinds of leaves when she was out walking--- elm, maple, and oak. She has 2xs as many maple leaves as elm leaves and 5xs as many oak leaves as elm leaves. Altogether, she has 32 leaves. How many of each kind does she have?
September 28, 2010

algebra
solve for x: 2x+3y=8
September 26, 2010

math
an airplane flew with the wind for 30 minutes and returned the same distance in 45 minutes. If the cruising speed of the airplane was 320 mph what was the speed of the wind ?
September 23, 2010

classics
i meant Socrates not Sorates, sorry.
August 10, 2010

classics
can i say that Sorates head is in the clouds when he is portrayed up in the clouds in Aristophanes comedy clouds
August 10, 2010

5th grade
821213 4243 __________ Place the numbers like this then solve 821213*3, then go on to the next line and place a 0 under the last number of your previous answer, then solve it for 821213*4, then under this add two 0s and solve it for the 2, then three 0s underneath that and ...
August 10, 2010

classics
I need help writing an intro and conclusion for an essay. The thesis is : Socrates is depicted differently in Plato's dialogue and Aristophanes' Clouds in terms of the education he provides and his beliefs. I already wrote most of the middle, and am having serious ...
August 10, 2010

Classics
I have written most of the paper. The thesis is Socrates is depicted differently in Plato's dialogue and Aristophanes' Clouds in terms of the education he provides and his beliefs.
August 10, 2010

Classics
Thank You I am still having writers block writing an intro and conclusion, any ideas of things I can put in would be appreciated.
August 10, 2010

Classics
I am doing an essay on Aristophanes Clouds and The Trial and Death of Socrates by Plato. I am trying to find differences in the types of education Socrates provides? I am unclear whether he actually charges a fee in Plato ( it seems that he doesn't) ? It also seems that in...
August 10, 2010

Classics
What are some similes in The Odyssey? (lattimore translation)?
July 27, 2010

CH102
Well I didnt figure it out .... wtf kinda HW website is that frekin retards have all the Qa and no As !!
July 16, 2010

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