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December 21, 2014

Posts by s


Total # Posts: 373

Statistics
.9
May 25, 2013

philosophy
Both Nietzche and Wittgenstein raise the issue of the morality of morality. In other words, they ask "Why should someone be good?" Describe the different ways in which Wittgenstein and Nietzsche understand the human moral predicament i.e. the challenge of asserting ...
May 14, 2013

math
Giselle has $5.90 dollars in quarters and nickles. If Giselle has 16 more nickles than quarters, how many quarters does Giselle have?
May 11, 2013

Physics
for problem 1,part 4 (rho_2*g*L^2)/(4*E_1)+(rho_2*g*L^2)/(8*E_2)
May 5, 2013

physics
for problem 1,part 4 (rho_2*g*L^2)/(4*E_1)+(rho_2*g*L^2)/(8*E_2)
May 1, 2013

physic
for part 4 (rho_2*g*L^2)/(4*E_1)+(rho_2*g*L^2)/(8*E_2)
May 1, 2013

chemistry
1.15*10^15
April 27, 2013

Physics
A spherical shell of radius R carries a uniform surface charge density (charge per unit area) σ. The center of the sphere is at the origin and the shell rotates with angular velocity ω (in rad/sec) around the z-axis (z=0 at the origin). Seen from below, the sphere ...
April 26, 2013

Physics
A current I=2.3 A flows around a continuous path that consists of portions of two concentric circles of radii a and a/2, respectively, where a=5 cm, and two straight radial segments. The point P is at the common center of the two circle segments. Calculate the components of ...
April 26, 2013

Physics
The switch in the circuit below has been open for a long, long time, R1=8.0 Ohm, R2=5.0 Ohm, L=0.03 H, V=1 V. The internal resistance of the battery is negligibly small. Determine the currents I1,I2,I3 (in Ampere) in the resistors and in the self-inductor at the moment (a) ...
April 26, 2013

Physics
Two voltmeters, Vright and Vleft, each with an internal resistance of 106 Ω are connected through wires of negligible resistance (see the circuit below). The “+" side of both voltmeters is up as shown. A changing magnetic field is present in the shaded area. At ...
April 26, 2013

algebra
find the theoretical probability of each outcome. 1. randomly choosing a day of the week and it is a weekend 4. randomly choosing the letter N from the letters in NUMBER 11. the probability of a thunderstorm is 80%. what are the odds that there will be a thunderstorm?
April 25, 2013

algebra
how do you make a stem-and-leaf plot for numbers like this: 24,000 28,000 26,000 32,000 30,000 41,000 27,000 22,000 26,000 33,000
April 22, 2013

physics
Consider the observable M that corresponds to a measurement in the sign basis where the measurement value is 3 if the outcome is + and −2 if the outcome is −. Write M in the standard basis. If M is the Hamiltonian acting on a qubit which is in the state |ψ(0...
April 19, 2013

physics
Suppose we ran m steps of Grover's algorithm on some function f (which has one marked element y) and the resulting superposition was exactly |y⟩. If we run for m+1 additional steps (i.e. total of 2m+1 steps from the initial state), what is the resulting ...
April 19, 2013

physics
Consider the Hamiltonian H=Z⊗3 acting on 3 qubits. What is the ground energy of the system? (I.e. the lowest eigenvalue of H?) What is the dimension of the ground energy subspace? (I.e. multiplicity of that eigenvalue?) Which of the following correctly describes the ...
April 19, 2013

chemistry
A gas absorbs 25kj of heat and does 12kj of work calculate (triangle) E
April 16, 2013

Quantum Physics
@J No they're right, I misspell the answer
April 16, 2013

Quantum Physics
@J I input 1/sqrt(K) as 5C's answer, but they are wrong.
April 16, 2013

Quantum Physics
Thanks all guys. We now just need Q5's answers.
April 16, 2013

science
Another way to view it is to say that |ψ′⟩=Xi|ψ⟩ where Xi means X applied on the i-th qubit. We would like to claim that the application of Xi to the original state is effectively the same as applying some A to the i-th qubit after the Hadamard ...
April 15, 2013

chemistry
please help
April 13, 2013

chemistry
A glass of composition 85% SiO2 - 15% K2O is to be surface strengthened by ion exchange. To this end, two identical specimens approximately the size and shape of credit cards are soaked for the same amount of time at 850 ∘C. Sample A is soaked in NaCl and sample B is ...
April 13, 2013

chemistry
Please mark below all of the statments that correctly describe the physical properties of glass. Glasses do not have slip systems. Glasses consist of both covalent and ionic bonding. Glasses are brittle at room temperature. Glasses are amorphous and have no long range symmetry...
April 13, 2013

chemistry
Which of the following statements describes why ion exchange of 99% SiO2 - 1% B2O3 in a salt bath of molten postassium chloride (KCl) is not an effective way to increase the surface strength of the glass sample? The ion exchange works correctly, however both air-cooling and ...
April 13, 2013

Biology
The body of multicellular animals (salamanders, frogs and so on) is made of more than hundred different kinds of somatic cells. Even though they’re so different, they all have the same genome (the same DNA, the same set of genes). This is called genomic equivalence. How ...
April 12, 2013

Physics
0.0001386 both. Spent a little time and put the equation in Wolfram alpha it's online calculator and it's very helpfull in general
April 9, 2013

Physics
I still can't get the solution for d if i manage to get it i'll post it
April 9, 2013

Physics
For c) & e):For broken connection of V then Req is R1+R2 so the equation is : Imax/2=Imax*e^((-Req/L)*t) and Imax is the Imax from before the connection with the V was broken so Imax=V/R where R=(R1*R2)/(R1+R2)
April 9, 2013

Physics
I can tell you a) & b) a) Assuming after 10 min I=Imax then I1=V/R1 and so the energy is 1/2*L*I1 b) I=V/Req (Req=(R1*R2)/(R1+R2)) So P=I*V
April 9, 2013

Quantum Physics
Thank you. And waiting for the rest answers
April 6, 2013

Quantum Physics
PLS HELP
March 24, 2013

math
A savings account opened 3 months ago now has a balance of Rs. 20,400. If the bank pays 8 percent p.a. Simple interest, how much money was deposited?
March 23, 2013

physics
PLEASE ANSWER ALL PARTS
March 22, 2013

physics
In Problems 1-5, we will work through an example of QFTM for M=6 What is ω? You can use e, pi, and M in your response. Please do not subtitute 6 for M. What is QFT6 of 12√(|0⟩+|3⟩)? Specify the probability amplitudes. You should use w to denote ω...
March 22, 2013

physics
please answer
March 22, 2013

physics
Alice has a very important piece of information, which is encoded as an integer k. She is storing this number in a quantum state |ψ⟩=∑xαx|x⟩ of n qubits in such a way that if you apply QFT2n to |ψ⟩ and then measure in the standard ...
March 22, 2013

physics
n this problem, we will carry out some steps of the quantum factoring algorithm for N=15. (a) What is the period k of the periodic superposition set up by the quantum factoring algorithm if it chooses x=2? (b) Assume that we found this k using period finding algorithm. Use k ...
March 22, 2013

physics
Let |α⟩=1M√∑M−1j=0αj|j⟩ and let |β⟩=1M√∑M−1j=0βj|j⟩ be its QFTM. Suppose we shift the superposition |α⟩ to produce |α′⟩=1M√∑M−1j=0αj|j+1(...
March 20, 2013

physics
A capacitor consists of two concentric spherical shells. The outer radius of the inner shell is a=0.76 mm and the inner radius of the outer shell is b=3.31 mm . (a) What is the capacitance C of this capacitor? Express your answer in Farads. unanswered (b) Suppose the Maximum ...
March 6, 2013

physics
Suppose H⊗3|ϕ⟩=12√(|000⟩+|111⟩). What is |ϕ⟩? Specify the probability amplitude for each component:
March 6, 2013

physics
Given circuits for f and f−1, we can create classical reversible circuits Rf, R−1f, Rf−1, R−1f−1 which are shown in the following figure. (Assume that f is a bijection.)In what sequence shall we apply the above circuits in order to implement a ...
March 6, 2013

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

PLEASE HELP - DIVISORS PROB
15
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

Chemistry
s
September 17, 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

Physics
.003
July 25, 2012

physics
ss
June 21, 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

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