# Questions Asked onMay 3, 2008

1. ## 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:

2. ## Physics SOUND

What is the resultant sound level when an 80-dB and an 85-dB sound are heard simultaneously?

3. ## 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?

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

5. ## 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) = 6t-18 b) When is the particle moving up? down? c) Find

6. ## research

Can you provide a research example where all the human rights were respected and one or more were violated in Healthcare

7. ## chemistry

Why does it take longer for strong acids to react than weak acids?

8. ## 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,

9. ## 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

10. ## 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. H-O-H and C-O-H bond angles are all equal to 1095. C.

11. ## Biology-HIV-AIDS

I need to know 3 things an HIV+ mother can do to prevent the spread of the infection to her child.

12. ## maths

HI THERE, COULD SOME ONE PLEASE HLEP ME ON THIS QUESTION... A sample of the near-ground air concentration of caesium-137 at 11 locations in southern Germany a few days after the Chernobyl nuclear accident in 1986 consisted of the following measurements (in

13. ## 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

14. ## 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)]

15. ## history

When was the Enlightenment? Thanks!

16. ## Nursing

Identify a research study in the area that has marked cultural, ethical, or legal connotations.

17. ## 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

18. ## mythology

a good title for a dragon

19. ## Chemistry

The molecular structure around the oxygen in water is _________ I don't know what to put

20. ## 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

21. ## 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

22. ## 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.

23. ## 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

x-y=5 x+2y=7

25. ## english

are there any websites that have short essays on race/culture by authors like mark twain, amy tan, etc?

26. ## Pre-Calculus

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 =

27. ## 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

28. ## Chemistry

The molecular structure around all the carbons in ethanol is ________ I don't know what to put

29. ## 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)

30. ## applicable maths--sequence

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

31. ## 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

32. ## physics

A lamp operates with a current of 0.625A and a potential difference of 120V. What is the currnt flowing through the microwave?

33. ## 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?

34. ## 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.

35. ## Health Care

What specific services are provided in hospital emergency rooms?

The one-to-one 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) =

37. ## 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

38. ## Algebra

I have done this problem alot and still don get it can some one help me?? Thank you Solve 3/x-9 + 6/(x-9)^2

40. ## Mathematics

how do we plot this on a graph -2x+y=4

41. ## Human Biology-Birth 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

42. ## 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

43. ## Biology-HIV-AIDS

The Elisa test is how accurate?

44. ## 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

45. ## 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

46. ## 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:

47. ## Urinalysis Lab: Biology

What are 3 common tests done on bodily fluids, not including urine? :)

48. ## 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!

49. ## Math

How do you a equation like: 4x + X +2(42-6)-23 + 5x =81 _ 2

50. ## criminal justice

What are somes ways that we as a community can stop police brutality?

51. ## 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!