Friday
November 28, 2014

Posts by Lauren


Total # Posts: 1,544

physics
A straight horizontal wire carries a current of 3.55 μA. A proton is moving above the wire in a direction parallel to it but opposite to the direction of the conventional current in the wire, at a constant velocity of 8.00×106 m/s. Assume that the force of gravity ...
November 15, 2014

PHYSICS (please help)
Three masses are connected by a string. M1 = 1.0kg M2 = 2.0kg M3 = 3.0kg Mass one and two are on a table while mass three hangs off the edge of the table (there is a pulley). Find the tension in the string connecting m1 and m2. Assume the table is frictionless and the masses ...
November 14, 2014

math
express 0.32 as a fraction
November 14, 2014

Physics
Your friend's 13.9g graduation tassel hangs on a string from his rearview mirror. When he accelerates from a stoplight, the tassel deflects backward toward the rear of the car at an angle of 5.47∘ relative to the vertical. Find the tension in the string holding the ...
November 13, 2014

chemistry
Give a structure to match the name for the following compound. isobutyl alcohol Express your answer as a condensed structural formula.
November 7, 2014

chemistry
Give a structure to match the name for the following compound. 2-pentanol
November 7, 2014

chemistry
How do carboxylic acids and esters differ in chemical structure? Check all that may apply. Esters have a hydroxyl group. Esters have a carboxyl group. Esters have a carboxyl group and hydrogen linkage off the alpha carbon. Esters have a carboxyl group and ether linkage off the...
November 7, 2014

chemistry
How do carboxylic acids and esters differ in odor? Check all that apply. Esters smell sweeter, often fruity. Carboxylic acids have often not very pleasant smelling. Carboxylic acids smell sweeter, often fruity. Esters have often not very pleasant smelling.
November 7, 2014

physics
A block of mass m = 1.02 kg is suspended above the ground at a height h = 14.4 m by a spool with two arms. The spool-with- arms arrangement is a combination of a solid uniform cylinder of mass M = 3.43 kg and radius R = 0.440 m, and two rods, each of length l = 0.559 m and ...
November 4, 2014

Physical Science
Jill walks 1 mile everyday for exercise, leaving her front porch at 9:00 A.M. and returning to her front porch at 9:25 A.M. What is the total displacement of Jill's walk?
October 27, 2014

math
frank is 3 times old as ken. frank is 15 years older than eileen, while ken is 1 year younger than eileen. What are thw ages of frank, ken and eileen?
October 26, 2014

Physic
A racing car starting from a standstill can reach a speed of 320 km/h in 6.50 s by exerting an average horizontal force of 1.52 x 10^4N [s] on the pavement. If friction equals 5.2 x 10^3 N, what is the mass of the car?
October 24, 2014

Calculus please help
The power, P, dissipated when a 6-volt battery is put across a resistance of R ohms is given by P=36R. What is the rate of change of power with respect to resistance?
October 23, 2014

math
A) If x^2+y^3−xy^2=19, find dy/dx in terms of x and y. dy/dx=________ B) Using your answer for dy/dx, fill in the following table of approximate y-values of points on the curve near x=1 y=3. 0.96 ______ 0.98 ______ 1.02 ______ 1.04 ______ C) Finally, find the y-value for...
October 23, 2014

History
After 1965, black civil rights leaders found it difficult to A. achieve economic equality in the North. B. enforce the new laws in the South. C. now support Hispanic rights in the United States. D. protest the Vietnam War. Is it A?
October 23, 2014

History
Which of the following is true of the Truman Doctrine? A. It created the North Atlantic Treaty Organization. B. It established the Marshall Plan. C. It ended the policy of containment. D. It amounted to an informal declaration of Cold War. i think its D but i cant find it in ...
October 23, 2014

History
Which of the following statements is true regarding the Korean War? A. Stalin was outraged by the North Korean attack on South Korea. B. The Chinese armed and trained the North Korean army. C. Stalin approved the North Korean attack in advance. D. Both Stalin and Mao expected ...
October 23, 2014

History
Thank you!
October 23, 2014

History
What did not contribute to the economic growth in the 1950s? A. Baby Boom B. Cold War Spending C. Agricultural Expansion D. Increased Consumer Goods Manufacturing Im stuck between C and D
October 23, 2014

History
4. What did not contribute to the economic growth in the 1950s? A. Baby Boom B. Cold War Spending C. Agricultural Expansion D. Increased Consumer Goods Manufacturing Im stuck between C and D
October 23, 2014

History
never mind i got it. C is correct
October 23, 2014

History
During the election of 1936, declaring their party a "millionaire's union," Franklin Roosevelt focused mainly on defeating the A. Liberty League running Father Coughlin. B. Union Party running Gerald K. Smith. (C. Liberty League running Alfred M. Landon.) D. ...
October 23, 2014

Chemistry
The solubility of KNO3 is 80g/100g water at 50 degrees and 10g/100g water at 0 degrees. The solubility of CuSO4 is 60g/100g water at 50 degrees and 20g/100g water at 0 degrees. A mixture contains 13.8g of KNO3 and 1.94g of CuSO4. A) Calculate the minimum mass of water that ...
October 6, 2014

math
Find eight team members: write the integer represented
October 2, 2014

Theology 10 HELP!
Things in our world that seems hopeless.
September 28, 2014

english
is godzilla, big bad wolf, or the three headed dogs in harry potter one too?
September 23, 2014

english
what are some archetypal monster in movies. (we just got done reading beowulf) thank you!!
September 23, 2014

GLOBAL HISTORY HELP!
it doesn't say anything that's why I'm asking you for help. Please I will really appreciate that.
September 18, 2014

GLOBAL HISTORY HELP!
thank you one more: how are western civilization and eastern civilization different?
September 18, 2014

GLOBAL HISTORY HELP!
what are some themes we see in world history
September 18, 2014

GLOBAL HISTORY HELP!
how do we know about our past
September 18, 2014

math
What is a proper factor?
September 12, 2014

chemistry
the formula is: N2(g)+ O2(g) -><- 2NO(g)
September 10, 2014

chemistry
the formula is: N2(g)+ O2(g) -><- 2NO(g)
September 10, 2014

chemistry
Calculate the equilibrium concentrations of all three substances. Kc=1.7e-3 Q=3.6e-3 [NO]=0.0015 mol/L [O2]=0.025 mol/L [N2]=0.025 mol/L I cannot figure out the concentration for NO...please help! thank you!
September 10, 2014

Math
What benchmark would you use to estimate the number of people that can ride on a bus?
September 8, 2014

health
Not correct! It's more experience teaching children
September 3, 2014

phi 208
Robinson describes magnanimity as the mean between the extremes of
August 21, 2014

math
thanks damon! u rock! another quick question....how do you estimate the total precipitation in inches and the total number of days with precipitation asheville and wichita asheville= 47.71 inches 124 days wichita = 28.61 inches 85 days
August 18, 2014

math
estimate the total weight of two boxes that weigh 9.4lb and 62.6 lb using rounding and compatible numbers. Which estimate is closer to the actual total weight? why? thanks!
August 18, 2014

Programming Logic and Design
This is my 3rd time posting this problem because I didn't get any help before...assistance would be appreciated. Create the logic for a program that calculates and displays the amount of money you would have if you invested $3000 at 2.65 percent interest for one year. ...
August 15, 2014

Programming
Thanks for the help on my last problem! I have one more thing I need help with... Create the logic for a program that calculates and displays the amount of money you would have if you invested $3000 at 2.65 percent interest for one year. Create a separate method to do the ...
August 15, 2014

Programming
Thanks for the help on my last problem! I have one more thing I need help with... Create the logic for a program that calculates and displays the amount of money you would have if you invested $3000 at 2.65 percent interest for one year. Create a separate method to do the ...
August 14, 2014

Programming
Create the logic for a program whose main() method prompts a user for 1000 numbers and stores them in an array. Pass the array to a method that reverses the order of the numbers. In the main() method, display the numbers.
August 14, 2014

physics
Determine the banking angle needed to make a high-speed turn off a highway exit ramp with a radius of 720 m if the vehicle is travelling at 80 km/h. Assume there is no friction.
July 16, 2014

physics
A light, inextensible cord passes over a light, frictionless pulley with a radius of 11 cm. It has a(n) 14 kg mass on the left and a(n) 4.3 kg mass on the right, both hanging freely. Initially their center of masses are a vertical distance 2.1 m apart. The acceleration of ...
July 7, 2014

geometry
if a polyhedron has a volume of 14 cm and is dilated by a factor of 1/5, what will be the volume of the dilated polyhedron? ROund your answer to the nearest thousandth if necessary
June 23, 2014

Physics
A=512.1N B=273.0N C=coefficient of friction is .268
June 3, 2014

MATH!!!!!!!
If theres 225 students in my grade and the requirement to get into the principal list is top 5%, how many students are in the principal list?
May 7, 2014

math
Isaiah walks 3 miles due north, turns and then 5 miles due east. How far is he from his starting point?
May 1, 2014

Biology
Hormones are _____? a) produced only in response to environmental stress b) are all under the control of the pituitary gland c) signals that must interact with DNA in order to be effective d) always proteins I feel like it is b) because hormone receptors are always proteins, ...
April 28, 2014

Biology
Hormones are _____? a) produced only in response to environmental stress b) are all under the control of the pituitary gland c) signals that must interact with DNA in order to be effective d) always proteins I feel like it is b) because hormone receptors are always proteins, ...
April 28, 2014

forgot to add
Note: The "altitude" is the "height" of the triangle in the formula "Area=(1/2)*base*height". Draw yourself a general "representative" triangle and label the base one variable and the altitude (height) another variable. Note that to ...
April 21, 2014

calc
The altitude of a triangle is increasing at a rate of 1.000 centimeters/minute while the area of the triangle is increasing at a rate of 3.000 square centimeters/minute. At what rate is the base of the triangle changing when the altitude is 11.500 centimeters and the area is ...
April 21, 2014

English 9R - Civil Disobedience Essay Check (PLZ!)
i cant use we or I in my essay
April 9, 2014

English 9R - Civil Disobedience Essay Check (PLZ!)
i cant use outside info.
April 9, 2014

English 9R - Civil Disobedience Essay Check (PLZ!)
and QUOTES to support my ideas
April 9, 2014

English 9R - Civil Disobedience Essay Check (PLZ!)
she gave us us this packet full of information about rosa parks, john t. scopes, and susan b Anthony she want us to use these DOCUMENTS to support my opinion
April 9, 2014

English 9R - Civil Disobedience Essay Check (PLZ!)
Create a five paragraph essay based on the documents and on your knowledge of the topic. Be sre to include all the following: - A definition of civil disobedience Body paragraph using examples from the documents, prior knowledge, and class discussions. Your stance on civil ...
April 9, 2014

English 9R - Civil Disobedience Essay Check (PLZ!)
Please check my essay for any grammar errors and anything, because my English teacher grades HARD and I really want a 100 on this essay. I spend HOURS writing this and I really appreciate if you check. Thank You! :) here it is: Civil disobedience is "refusal to obey laws ...
April 9, 2014

Chemistry
What are the signs of dH, dS, and dG for the following and please explain why? Also what does it mean by sublimation, and molten? 1. CO2(s) --> CO2(g) (Dry ice subliming) dH = ? dS = ? dG = ? 2. The electrolysis of molten NaCl(l). dH = ? dS = ? dG = ?
April 6, 2014

Physics
A wooden crate sits on the floor of a flatbed truck that is initially at rest, and the coefficient of static friction between the crate and the floor of the truck is 0.25. The driver of the truck wants to accelerate to a velocity of 20 m/s within 4.0 s. If he does so, will the...
March 24, 2014

Physics
Suppose a sled has a mass of 12 kg and a child is exerting a force of magnitude 200 N. Find the angle q at which the normal force N vanishes. What is happening physically when N = 0?
March 24, 2014

Physics
An Atwood's machine consists of two crates of different masses. If the pulley is frictionless and massless along with a string of negligible mass, find the acceleration of the crates and the tension in the string
March 24, 2014

Organic Chemistry
Thanks anyway! I can ask one of my classmates to explain
March 19, 2014

Organic Chemistry
Draw every stereoisomer for 1-bromo-2-chloro-1,2-difluorocyclopentane. Use wedge-and-dash bonds for the substituent groups, and be sure that they are drawn on the outside of the ring, adjacent to each other.
March 19, 2014

Education technologoy
number 3 was incorrect..
March 18, 2014

Education technologoy
ok, can you check my answers now? Number one: D Number two: A Number three:C
March 18, 2014

Education technologoy
How are boolean search strategies and other search filters useful? a. They organize results alphabetically <<< b. They narrow the search results c. They increase the number of search results d. They find creative sources Which of the following are Boolean operators? a...
March 18, 2014

Global Studies
I was having a little trouble with this question.. what about d?
March 13, 2014

Global Studies
C ?
March 13, 2014

Global Studies
Thanks. I got another one. ________Is still a major employer in the Atlantic Provinces, particularly in Nova Scotia. a. Whaling<< b. Forestry c. shipbuilding d. computer manufacturing
March 13, 2014

Global Studies
Although fish is the Atlantic provinces' most abundant natural resource, what caused cod fishing to be banned throughout Canada in 2003? a. A disease killed all the cod b. People stopped eating cod c. Gas-powdered fishing boats were outlawed first d. Over-fishing was ...
March 13, 2014

Trigonometry
A bicycle is traveling at 20 feet/second. If the diameter of the wheel is 24 inches, what is the angular velocity in radians/second?
March 6, 2014

8th Grade Science
There is a connection between photosynthesis and cellular respiration. The products from one provide the raw materials for the other. What products of photosynthesis are starting materials for cellular respiration? A. glucose and oxygen B. heat energy and ATP C. carbon dioxide...
March 6, 2014

Physics
v= sqr(mg/D)
February 21, 2014

Math
Linda buys 3 pizzas for her party. There are 8 guests at the party. If each guest will eat an equal amount of pizza, how much pizza will each guest eat?
February 19, 2014

lit
oh my gosh sorry! what does F.Scott Fitzgeralrd portray liquor/alcohol as in the book "the great gatsby?"
February 19, 2014

lit
what are does f. scott fitzgerald portraying liquor as? thanks!
February 19, 2014

Cary MS Math
How do you find the volume of a rectangular prism
February 15, 2014

Physics
A golfer hits a shot to a green that is elevated 3 m above the point where the ball is struck. The ball leaves the club at a speed of 16.1 m/s at an angle of 44.0° above the horizontal. It rises to its maximum height and then falls down to the green. Ignoring air ...
February 14, 2014

science- physics
when a wave strikes a boundary that is less dense than the original wave medium, the wave comes back a) upright b)inverted thank you!
February 11, 2014

U.S History
Document C - Thomas Jefferson, Notes on Virginia. 1781-1782 “Experience has shown that even under the best forms of government those entrusted with power have in time, and by slow operations, perverted it into Tyranny”. 3) According to Thomas Jefferson, time and ...
February 1, 2014

U.S History
Thank you Ms. Sue :)
February 1, 2014

U.S History
Document A – Statement by Thomas Jefferson (1787) “A democracy is nothing more than mob rule where fifty-one percent of the people may take away the rights of the other forty nine. All, too, will bear in mind this sacred principle that though the will of the majority...
February 1, 2014

history
what was Scribner's monthly, "a georgia plantation" about? thanks!
January 29, 2014

history
Even though the Confederate States were more willing to fight, the Union was able to win the war. Analyze the reasons for this fact thank you!!
January 21, 2014

geometry
An ant looks to the top of a bulding at an angle of elevation of 32°. The ant then walks an additional 66 feet from the edge of the building. If the new angle of elevation from the ant to the top of the building is 22°, find the height of the building. Round to the ...
January 17, 2014

U.S History
Please HELP!!!!
January 9, 2014

U.S History
What is the interpretation and counterargument from the following quote. "The will of the people is the only legitimate foundation of any government, and to protect its free expression should be our first object." Thomas Jefferson
January 9, 2014

Social studies (7th gr.)
According to christopher columbus, who owned the land that he explored in the americas?
December 18, 2013

Spelling
How did Midas react when Dionysus suggested that he be cautious?
December 17, 2013

Need help with math data!!!!
Thank you so much Ms.Sue :)
December 15, 2013

Need help with math data!!!!
I am now working on the data from before and after of my experience, but I don't know how to calculate the total % weight lost of my experience. Can you help me? Trial#1- Original weight(BEFORE): 411ml After the experience weight: 376ml What is the total % weight lost in ...
December 15, 2013

Algebra 1
The sume of two numbers is 28 and their difference is 4. What are the numbers?
December 9, 2013

physics
A thin, light wire 75.8cm long having a circular cross section 0.560mm in diameter has a 25.5kg weight attached to it, causing it to stretch by 1.12mm . what is the stress?
December 4, 2013

Electrical Engineering
Winter is coming, so I want to make a 1500 W heating coil which will plug into a 120 V wall outlet. The coil will have a cross sectional area of 0.01 cm2 and a length (when fully unwound) of 5 m. Determine the resistivity of the coil required, in Ωcm:
November 29, 2013

Science
What will be the new volume if 115 mL of He gas at 100°C and 0.993 atm is cooled to 26°C and the pressure is increased to 1.35 atm?
November 25, 2013

English (concrete nouns)
Read the passage below and answer the following question: Zach enjoyed biking to his job at Bistro Café. The early morning ride gave some serenity to his hectic schedule. Opening the restaurant allowed him to get everything ready before the rest of the crew arrived. 1....
November 19, 2013

business
Which of the following is the common balance sheet layout? A. assets = liability + owner’s equity B. profit = revenue – total expenses C. return on investment = net income 􏰁 owner’s equity D. gross profit margin = gross profit 􏰁 net sales
November 18, 2013

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