Saturday
October 25, 2014

Posts by jeremy


Total # Posts: 243

physics
The brick shown in drawing the is glued to the floor. A 3500-N force is applied to the top surface of the brick as shown. If the brick has a shear modulus of 5.4 109 N/m2, how far to the right does the top face move relative to the stationary bottom face?
November 13, 2011

Physics
When a quarter, a nickel, a penny, and a dime are flipped; what are each of their revolutions per minute?
November 7, 2011

physics
A fighter pilot dives his plane toward the ground at 485 m/s. He pulls out of the dive on a vertical circle. What is the minimum radius of the circle, so that the normal force exerted on the pilot by his seat never exceeds three times his weight?
October 25, 2011

English
I'm writing an essay involving analysis of a short story. I need to put in-text citations after quotes, etc. The short story was read online so there is no page number, etc. How do I cite this-I'm really confused. I looked in Purdue Online Writing Lab but that's ...
October 2, 2011

Marketing
Pick a product or service and explain the nature of consumption by Hispanic, African American, or Asian consumers. Why does consumption differ from the other groups? You are required to find 2 sources to support your paper (newspaper articles, books or academic articles).
October 2, 2011

fourth grade math
40o,000
September 14, 2011

geometry
Suppose line PQ has endpoints P(2,3) and Q(8,-9). Find the coordinates of R and S so that R lies between P and S and line PR is congruent with Line RS which is congruent with line SQ
September 5, 2011

math/algebra
solve x^2 + x - 12 = 0 quadratic formula??
September 3, 2011

Geometry
Balls
August 28, 2011

IT
I have asked my teacher for help several times but keep getting pathetic feedback. I will show you first what is expected from the assignment. He says that a five paragraph format is a great way to complete the essay but my paper has three sistuations I need to cover and the ...
August 4, 2011

geometry
find the volume of a pyramid with a length of 1.7 m, a width of 0.9 m, and a height of 2 m.
June 13, 2011

geometry
find the surface are of cylinder with a radius of 5 m and a height of 8 m. Use 3.14
June 13, 2011

Math
The exchange rate for the Australian dollar in January 2000 was AU$100 = S$x. In June 2000, the exchange rate had become AU$100 = S$(x-5). Karen found out that she could get an extra AU$32 for every S$672 that she exchanged in June compares to January. Form an equation in x ...
May 16, 2011

math
what is the answer to What Do You Get if a Bunch of Bad Guys Fall in the Ocean?
April 25, 2011

Physics
A ray of light hits a side of Lucite ( n = 1.5) prism at 50 degree. Assuming that the nearest vertex has an angle of 70 degrees, what is the angle of light that leaves the prism.
April 25, 2011

world history
what combination of food did the polyneatians introduce to the island that they colonized
April 22, 2011

Physics
A 975 N object is pulled at a constant velocity up an incline with a force of 327 N parallel to the incline as shown in the diagram. Assume that the difference between the work output and the work input is the work required to overcome friction. a) what is the force of ...
April 12, 2011

physics
p = w/t<br> 105 = w/3.2 <br> Solve for w is your answer!
April 12, 2011

physics
A 975 N object is pulled at a constant velocity up an incline with a force of 327 n parallel to the incline as shown in the diagram. Assume that the difference between the work output and the work input is the work required to overcome friction. a) what is the force of ...
April 12, 2011

Physics
a 975 N object is pulled at a constant velocity up an incline with a force of 327 n parallel to the incline as shown in the diagram. Assume that the difference between the work output and the work input is the work required to overcome friction. a) what is the force of ...
April 12, 2011

Chemistry
20cal/degrees C
March 24, 2011

math
(2x+3)/(3x-6) = (5x+3)/(5x - 9)
March 5, 2011

math
|\ | \ 5 |-x-\ | \ | -y- \ 5 | \ | \ 8 |-------10---\
March 5, 2011

Math
A picture measures 20 cm x 25 cm. The width of the matting and frame at the top and bottom is 5cm. What should be the dimensions of the frame so that the framed picture is similar to the picture alone
March 5, 2011

Math
They mean absolute value. It means that anything in between them is positive. so -60 would turn to 60.
February 18, 2011

geometry
Wouldnt it just be 300 m? They tell you in the problem that df equals 300 m.
February 18, 2011

ap chem
No, the pH needs to be converted to H^+ using the inverse log Example: ph = -log[H^+] = 3.0 log [H^+] = -3.0 [H^+] = inv log (3.0) 10^(-3.0)
February 14, 2011

Spanish
Thank you
December 21, 2010

Spanish
What is this asking? ¿Cómo eres? choices would be: This question asks about about a person's health about what a person is like how a person is feeling today what a person is wearing I think it is about a person's health or how a person is feeling today? ...
December 21, 2010

10th grade
How many grams of water vapor (H2O) are in a 10.2 liter sample at 0.98 atmospheres and 26°C?
December 20, 2010

physics
do you have an answer though? I'd really appreciate it.
December 11, 2010

physics
Calculate the period of a ball tied to a string of length 0.3 m making 1.9 revolutions every second.
December 11, 2010

math
All you can do is rearrange it
December 6, 2010

Chemistry
What is the maximum [Ba^2+] that can be maintained in 1.100 L of a 030 M solution of Na2SO4?
November 30, 2010

geometry
Emma has 26 feet of fence. She wants to make the largest rectangular area possible for her rabbits to play in. What length should she make each side of the rabbit pen?
November 17, 2010

AP Chem
2 H2O(g) -> 2 H2(g) + O2(g) H2O(g) -> H2(g) + 1/2 O2(g) 1mol 1 mol 1/2 mole each mole H2O has 2 moles of O-H bonds to break (energy requiring) = 2 x 467 = 934 kJ Each mole H2 has 1 mole H-H bonds to make (energy releasing) = 436 kJ Each mole O2 has 1 mole O=O bonds to ...
November 15, 2010

physics
A 20 kg mass freely falls a distance of 6m near the Earth’s surface. The total kinetic energy gained by the mass as it falls is approximately A. 120 J B. 1180 J C. 1440 J D. 2400 J
November 11, 2010

Chemistry
This is the first time I've submitted a question and I just need some help with this one.
October 20, 2010

Chemistry
Balance the net ionic equation I− + NO− 2 ! NO + I2 (in acidic solution). What is the sum of the coefficients? Use H+ rather than H3O+ where appropriate. 1. 13 2. 15 3. 17 4. 11 5. 19
October 20, 2010

physics
A toy sled with a mass of 1.0 kg is sliding down a ramp that makes an angle of 25° with the ground. The coefficient of kinetic friction between the toy sled and the ramp is 0.25. 4. In a coordinate system where the x-axis is parallel to the ramp and the y-axis is ...
October 19, 2010

Chemistry
Hi, I posted my question earlier but I was having some difficulty with it. 2Al+ 3Cl2-->2AlCl3 You are given 31.0g of aluminum and 36.0g of chlorine gas. 1.If you had excess chlorine, how many moles of aluminum chloride could be produced from 31.0g of aluminum? ...
September 28, 2010

Chemistry
Please help solve; 2Al +3Cl2 --> 2AlCl3 You are give 31.0g Al and 36.0g of Cl2. If you had excess chlorine, how many moles of of aluminum chloride could be produced from 31.0 g of aluminum?
September 28, 2010

Math
: Jim Kim Mim and Tim all went fishing. They each caught one fish. They measured each fish to the nearest inch and weighed them to the nearest pound. When they lined the fish up end to end they stretched from one edge of the 6-foot-long table to the other. The four fish ...
September 23, 2010

COM/155 English
Describe your experience with credit and credit cards in a brief paragraph using at least five adverbs and five adjectives in your description. Bold the adverbs and underline the adjectives. What is the most effective way to determine whether a word is an adjective or an adverb?
August 16, 2010

axia college
Describe your experience with credit and credit cards in a brief paragraph using at least five adverbs and five adjectives in your description. Bold the adverbs and underline the adjectives. What is the most effective way to determine whether a word is an adjective or an adverb?
August 8, 2010

english
what are some examples of exposition in The Miracle Worker
May 23, 2010

math
thanks!
May 9, 2010

math
y^2-3y=54 what is y?
May 9, 2010

math
How do you make a w made of 4 pens into a perfect square by only moving one pen
April 15, 2010

riddle
How do you make a w made out of pens into a square by moving only 1 pen
April 15, 2010

Penn Foster Writing Assignment Writing Skills
this is so dumb they keep sendin mine back after yhe instructer told me it was fine
March 24, 2010

physics
An electron is accelerated horizontally from rest in a television picture tube by a potential difference of 5400V . It then passes between two horizontal plates 6.1cm long and 1.2cm apart that have a potential difference of 250V At what angle will the electron be traveling ...
March 23, 2010

English
Whats Wrong with my thesis on Great migration? The Great migration was the movement of African Americans traveling from the South to the north in search for jobs.
March 15, 2010

Science
What is Analysis?
February 13, 2010

Physics
A 10,000 kg railroad car traveling at a speed of 24.0 m/s strikes an identical car at rest. If the cars lock together as a result of the collision, what is their common speed afterward?
January 24, 2010

Physics
A 10,000 kg railroad car traveling at a speed of 24.0 m/s strikes an identical car at rest. If the cars lock together as a result of the collision, what is their common speed afterward?
January 24, 2010

Physics
This is a pretty simple physics problem, but I do not know how to go about it. How do I: Show that the time required for a projectile to reach its highest point is equal to the time for it to return to its original height?
January 24, 2010

chemistry
what is the difference between electron affinity and ionization energy?
January 24, 2010

chemistry
how does the length of time relate to the amount of heat absorbed?
January 21, 2010

algebra II
4 to the fifth power times 4 to the third power divided by 4 to the sixth power
January 7, 2010

algebra II
5 3 4 . 4 _______ 6 4 I really need help with this math..I don't understand it and all I have is a worksheet with no examples...I am a 10th grader...any help would be appreciated. Jeremy
January 7, 2010

4th grade math
the answer is 9
January 7, 2010

math
how many yards in 48 in. in decimal form rounding to the nearest hundreth
December 14, 2009

literary
Choose 3 selections from literature that are united into one topic or theme. Your topic can be united by subject, author, genre, style, etc. (requirement) Good speeches will have one clear main topic throughout. My topic is (Remembrance) Thanks for any help.
December 10, 2009

chemistry
I'm looking for the Lewis structure but not PbCl2. I need the Lezis Structure of PbCl3.
November 24, 2009

chemistry
What is the Leis Structure for PbCl3?
November 24, 2009

computor programming
is the design phase of a give project only as good as the analysis of the previous phase
November 18, 2009

history
How might have the maps indication of where Native Americans lived strengthened European claims of sovereignty?
November 15, 2009

algebra
14+x2 simplify
September 1, 2009

Math
Find the quotient 3(cos (5pi/12) + i sin (5pi/12) / 6(cos (pi/12) i sin (pi/12)). Express the quotient in rectangular form. I have no idea what I did but I got (1/4) - 433i/1000.
August 17, 2009

Pre Cal.
1. Identify the conic section represented by: 9y^2+4x^2 - 108y+24x= -144? Is it ellipse. 2. Find the coordinates of the vertex and the equation of the axis of symmetry for the parabola represented by: x^2 + 4x - 6y + 10 = 0. vertex: (-2 , 1) axis of symmetry: x = -2
August 17, 2009

Pre Cal.
Express 5sqrt(3) - 5i in polar form. A: 10(cos(11pi/6) + i sin(11pi/6)) Express 4(cos(3pi/4) + i sin(3pi/4)) in rectangular form. A: -2sqrt(2) + 2sqrt(2i Write 2x+y=5 in polar form. A: sqrt(5)= r cos (theta-27degrees) Are these correct?
August 15, 2009

Pre Cal.
The expression 81p^4 + 108 p^3 r^3 + 54p^2 r^6 + 12 pr^9 + r^12 is the expansion of which binomial? A: (3p+r^3)^4 The fifth term in the expansion of (3x^2-sqrt(y))^6 is _______. A: 135x^4y^2
August 13, 2009

Pre Cal.
Find three geometric means betwee -sqrt(2) and -4sqrt(2). A: 2, -2sqrt(2), 4 Is 6 sqrt(2)+ 6 + 3sqrt(2)+... a convergent series? A: Yes. Is 1 + 3(1/2) + 9(1/2)^2 + 27(1/2)^3 +... a divergent series? A: Yes. Are these right?
August 13, 2009

algebra 2
how do i find the radical notation of 25 -1/2?
March 22, 2009

Latin
In what instances do you use the nominative for the word preceding "of the," in oppose to the genitive. For example, in some of my sentences, I have the nominative, like "Forma terrae in Sicilia plana non est." But other times, it is genitive "Curae ...
March 16, 2009

Latin
Multi Romani copiam aquae in carris spectant. Would this translate to "Many Romans see the suply of water in the carriages?" Thanks, hopefully this will be the last question.
March 16, 2009

Latin
The sentence is: Agricolae equi in reginae terra (with a macron) sunt. The answer is "the farmer's horses are on the queen's land." What ending are you supposed to use for something following an 's or s'? Doesn't this sentence use two different ...
March 16, 2009

Latin
Oh whoops I forgot the translation for 2. I said "Many servants on the island are big."
March 16, 2009

Latin
Would you mind checking my translations of these? 1. Silvas claras insulae magnae spectatis. You (plural) see the clear forest of the large island. I wasn't sure if I properly did the "of" part. 2. Numerus servorum in insula erat magnus. I said this meant Numerus...
March 16, 2009

CALCULUS
Use the Midpoint Rule to approximate the integral: (10x-3x^2)dx from -1 to 5 with n=3
January 18, 2009

math 115 9.4 #80
(-3)^3-(-8)(-2) = (-27)-(+16) = -11
December 29, 2008

The court system
I think that what it is telling you to do is to write 1400 words about how some poeple think that the court systen can be funny, like in a television show, compared to how serious it is in real life.
November 29, 2008

Business Math
with limited information I can only tell you that to find the end of day balance you have to add up your accounts recieved and accounts payable, your sum of items taken in....subtract any money that was given out (accounts payable) from the sum of money recieved.....if you ...
November 29, 2008

English- vocab
I think you were right. It could be mystery. It could also be phenomenom.
November 28, 2008

chem
[Xe] 4f14 5d10 Always follow this pattern: 1s 2s 2p 3s 3p 4s 3d 4p 5s 4d 5p 6s 4f 5d 6p 7s...
November 23, 2008

Chem
No problem!
November 23, 2008

Chem
Use a bomb calorimeter... or some kind of calorimeter... I'm just guessing; hopefully the calorimeter idea isn't stupid! Good luck.
November 23, 2008

chemistry
The double-slit experiment shows that it acts as both a wave and a particle. Look that up on google or something for more information.
November 23, 2008

Algabra
5/a=?/a^2 5a^2=a? 5=(a?)/a^2 5=?/a or 5a=? or a=?/5 If that's what your question is asking for, I hope that helps.
November 23, 2008

physics
The bowling ball and the volleyball will have the same acceleration. I'm not exactly sure about the car thing, but it's probably because the front meets the most air resistance, pushing it down while accelerating, and when it brakes, the air resistance in the front is ...
November 23, 2008

physics
If I'm not mistaken, it's 9.097155832 grams, which you can round as you see fit. 913.5 J = m x specific heat water x 24 degrees Celcius. Specific heat of water is 4.184 J/(gC). Solve for m.
November 22, 2008

Math
Use the formula x = negative b, plus or minus the square root of b squared minus four ac, all of which is divided by 2a. Formula: [-b+/-sqrt(b^2-4ac)] / 2a
November 22, 2008

2nd grade
Time machine.
November 22, 2008

physics
heat = mCpTsub(f-i) 609 J = (1.2kg)(4184 J/kgC)(Tf - Ti) [609 J/ [(1.2kg)(4184 J/kgC)]] -5C = Tf Tf = -4.87... degrees C. for part A For Part B: Use the same equation, except multiply heat by 3. Solve for the new mass, then divide that mass by the old mass (1.2kg) to get the ...
November 22, 2008

chemistry
I disagree with Dr. Russ's method. Use PV=nRT, where P=2.3atm, V=120L, n= unknown moles, R= .08205, T=340K. Solve for n to get 9.9 mol gas. Without significant figures, n=9.893536939.
November 21, 2008

phisical science
what are the general properties of an acid an a base
November 5, 2008

science
a protist kingdom are animals which have mostly one cell, microorganisms and reproduce by splitting in two. Animal kingdom are animals which have many cells and reproduce with eggs thay either grow inside the body or outsidethe body
October 13, 2008

algebra
The number of students attending the fall play was 150 more than the number of adults attending. Students tickets cost $3, and adult tickets cost 45 . A total of $4730 was collected. How many students attended the play? this is what i have, but i need help on the equation. let...
October 13, 2008

7th grade pre algebra
What is the difference between bar graphs and histograms.
August 27, 2008

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