Questions Asked on
May 3, 2008

Physics
Neutral metal sphere A, of mass 0.10kg, hangs from an insulating wire 2.0m long. An identical metal sphere B, with charge q is brought into contact with sphere A. Sphere A goes 12 degrees away from Sphere B. Calculate the initial charge on Sphere B. Note:
asked by Alex 
Chemistry  to Dr.Bob
What is the pH of the solution created by combining 11.10 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HC2H3O2(aq)? ok Dr. Bob so here's the work NaOh: .00111 Acetic Acid: .0008 Salt produced: .00111.0008= .00031 Concentration of salt:
asked by Amy 
Physics SOUND
What is the resultant sound level when an 80dB and an 85dB sound are heard simultaneously?
asked by Anonymous 
Chemistry
Which of the following statements is NOT true in regards to water, ethanol, and isopropanol? A. Two lone pairs of electrons are assigned to the oxygen in each Lewis structure of all three molecules. B. HOH and COH bond angles are all equal to 1095. C.
asked by Tom 
Statistics
It costs you $10 to draw a sample of size n=1 and measure the attribute of interest. You have a budget of $1,200. a. Do you have sufficient funds to estimate the population mean for the attribute of interest with a 95% confidence interval 4 units in width?
asked by Meagan 
Physics
A Coast Guard airplane needs to drop a rescue package to a ship floating adrift in the ocean. The plane flies 55 m above the ocean at a speed of 215 km/h. How far away from the ship should the crew drop the package out of the plane so that the package hits
asked by Eva 
Chemistry
The molecular structure around the oxygen in water is _________ I don't know what to put
asked by CHRIS 
Physics
When you approach a blinking source of light, the frequency of its blinking is seen to: decrease, increase, or remain the same always. I THINK IT IS INCREASING. If you are traveling at close to the speed of light and shine a flashlight out in front of you,
asked by clark 
Calculus
A particle moves on a vertical line. Its position, s, in metres at t seconds is given by s(t) = t^3  9t^2 + 24t, t>0/ I found the velocity and acceleration functions. s'(t) = 3t^2  18t + 24 s''(t) = 6t18 b) When is the particle moving up? down? c) Find
asked by Alex 
science
what is man made ecosystem?
asked by akshar 
mythology
a good title for a dragon
asked by vebi 
UNAIDS
DO You think the UNAIDS is an effective organization with regards to its response to the AIDS crisis in AFrica? To some extent I believe that they are effective because unlike other organizations the UNAIDS is a culmination of countries around the world
asked by MARY 
Chemistry
The molecular structure around all the carbons in ethanol is ________ I don't know what to put
asked by CHRIS 
chemistry
Hexane is a hydrocarbon (a molecule containing only carbon and hydrogen) with a molecular weight of 86.18 g/mol, a density of 0.660 g/mL, and a boiling point of 69C. Pentanol is an alcohol (a hydrocarbon with a "OH" group attached to one of its carbons)
asked by Tom 
applicable mathssequence
hello, i need some practises on: 1)the language and notation of sequence. 2)Recursive definition for a sequence 3)the Nth therm or general term for a sequence. can someone please give me some useful website regarding the topics above (or any other possible
asked by Ann 
Maths
hello Can someone please help me with solving simultanaous equations using graphs My problem is that i don't know how to plot them on the actal graph and nor I know how to plot the gradient withing this paticular situation I need help with some steps
asked by JOJO 
Mathematics
how do we plot this on a graph 2x+y=4
asked by Veronica 
Human BiologyBirth Defects
Hey I'm doing a report on clubfoot and I just researched this about it: "Complex segregation analyses suggest that the most likely inheritance pattern is a single gene of major effect, operating against a polygenic background." what does it mean by
asked by Matt 
Zoology
as the size and volume of flying birds increase, surface area of wings cannot increase proportinal to general body surface area. is this a true statement? explain your answer using words and math. bird size seems severely constrained wheras aircraft size
asked by Kayla 
Zoology
As homo evolved, many radical changes occured in anatomy, physiology, and behavior. talk about those many "advances" and then speculate on timing and sequencing of those changes. Did they likely occure according to a punctuated equilibrium model and did
asked by Lisa 
BiologyHIVAIDS
I need to know 3 things an HIV+ mother can do to prevent the spread of the infection to her child.
asked by Michael 
BiologyHIVAIDS
The Elisa test is how accurate?
asked by Michael 
Physics
According to special relativity, at high speeds the distance between distant locations is: a) shortened b) no different than if you were at rest c) lengthened
asked by cguff 
Physics
According to special relativity, the momentum (mv) of an object at relativistic speed is actually: more, less or no different than if it were at rest
asked by clark 
math
how do i graph a fraction? like say I had y=3/4x+1, how could I create plot points that are whole numbers? please help.
asked by Julia 
Critical Thinking
I am in week 7 and after week 5 and 6 am doubting my self on my homework that is due tommorrwo can you look to see if this is actually an argument the conclusion indicators were not as apparent in this reading this week. In fact, well after it was
asked by Kay 
Urinalysis Lab: Biology
What are 3 common tests done on bodily fluids, not including urine? :)
asked by Hannah 
Urinalysis Lab: Biology
If the process of ion attraction within the nephron is not functioning properly what would you expect to find in the blood and urine? Thanks!
asked by Hannah 
physics
A lamp operates with a current of 0.625A and a potential difference of 120V. What is the currnt flowing through the microwave?
asked by chantel 
Math
How do you a equation like: 4x + X +2(426)23 + 5x =81 _ 2
asked by Jeremy 
maths
HI THERE, COULD SOME ONE PLEASE HLEP ME ON THIS QUESTION... A sample of the nearground air concentration of caesium137 at 11 locations in southern Germany a few days after the Chernobyl nuclear accident in 1986 consisted of the following measurements (in
asked by kim 
criminal justice
What are somes ways that we as a community can stop police brutality?
asked by aa 
Health Care
Describe at least two advantages to having a solo practice. Describe at least two benefits of having a group practice. Are there any disadvantages to having a group practice? What are the disadvantages to having a solo practice? My first time, no clues.
asked by Vikky 
Health Care
Ambulatory care consists of a wide range of health care services delivered in outpatient settings. Describe three of these settings and their purposes. What specific services are provided in each setting. Anyone with ideas please? I don't know where to
asked by Patra 
Critical Thinking
Identify any examples of bias presented by the author. If none exist, explain how you determined this. Until his death in 2003, Paul Simon was a professor at Southern Illinois University, where he taught classes in political science, history, and
asked by CAL 
calculus: multivariable
Find the points on the hyperboloid x2 −y2 +2z2 = 1 where the normal line is parallel to the line that joins the points (3,−1, 0) and (5, 3, 6). Please show me how to do it..the answer is [+ rad 6/(3), + 2rad 6/(3), + rad6/(3)]
asked by sara 
history
When was the Enlightenment? Thanks!
asked by Junior 
Infertility
Where can I find a list of Canadian statistics, such as graphs and/or tables that show the most recent Canadian statistics about infertility drugs? Thanks so much!
asked by Montana 
business calculus
A rectangular area is to be enclosed and divided into thirds. The family has $700 to spend for the fencing material. The outside fence costs $12 per running foot installed, and the dividers cost $30 per running foot installed. What are the dimensions that
asked by RAY 
Health Care
What specific services are provided in hospital emergency rooms?
asked by Patra 
Math Please help
The onetoone functions g and hare defined as follows. g={ (7,4), (2,9), (3,2), (8,1) } h(x)= 4x +9 Find the following: g^1 (2)= h^1 (x)= (h o h^1) (7) =
asked by Tegan 
buena park high school
xy=5 x+2y=7
asked by kandy lian 
Solving Equations with variable on Both Sides
I need help solving this. I've never been really good with fractions, so, that's probably why.: 3p/8 + 7p/16  3/4 = 1/4 + p/16 + 1/2
asked by Mitch 
Economics
Author are typically paid a royality which is a fixed percentage of revenue; a common figure 10% of sales revenue. Show that the price desired by an author is always less than the price desired by a profit maximising publisher. What is the elasticity of
asked by Zio 
english
are there any websites that have short essays on race/culture by authors like mark twain, amy tan, etc?
asked by arielle 
research
Can you provide a research example where all the human rights were respected and one or more were violated in Healthcare
asked by Laly 
Nursing
Identify a research study in the area that has marked cultural, ethical, or legal connotations.
asked by Christy 
math
x^2 /2 + 1 /x1
asked by Anonymous 
chemistry
Why does it take longer for strong acids to react than weak acids?
asked by phil 
Algebra
I have done this problem alot and still don get it can some one help me?? Thank you Solve 3/x9 + 6/(x9)^2
asked by Danny 
physics
What difference does an astronomer see between the emission spectrum of an element in a receding star and a spectrum of the same element in the lab?
asked by Kim 
Ordering decimals
What is the easiest way to order a ten decimal numbers from greatest to least or visa versa. This is from a 4th grader... Thanks...
asked by Marlo 
PreCalculus
I need help solving this logarithmic equation: ln x + ln (x+3) = 1. I know ln x + ln (x+3)=ln [x(x+3)] and that is ln x^2 + 3x when broken down. Then you have to get rid of ln by taking the natural base e of both sides so in the end you have x^2+3x =
asked by Kelsey