# Questions Asked onOctober 5, 2006

An object with an initial speed of 4.0 meters per second accelerates uniformly at 2.0 meters per second2 in the direction of its motion for a distance of 5.0 meters. What is the final speed of the object? Vi=4m/s a=2.0m/s*s d=5.0m Vf=? Vf©÷=Vi©÷+2ad

2. ## Biology

Describe two practical applications for being able to extract DNA from cells. Genetically engineering insulin producing bacteria Crime lab testing of blood (white cells have DNA) and semen what are some biome characteristics for a freshwater wetland

3. ## Pre-Calculus

The period T (in seconds) of a simple pendulum is a function of its length l (in feet), given by T(l) = 2pi sq root of l/g, where g = 32.2 feet per second per seconds is the acceleration of gravity. Express the length l as a function of the period T. If

4. ## Science

A supersonic jet flying at 145 m/s is accelerated uniformly at the rate of 23.1 m/s squared for 20.0 s. a. What is its final velocity? b. The speed of sound in air is 331 m/s. How many times the speed of sound is the plane's final speed? I don't care what

5. ## Chemistry

This is a mulit step problem How many grams of barium phosphate are produced from the reaction of 3.50g of sodium phosphate and 6.4g of barium nitrate? The other product is sodium nitrate. 1. Write the balanced equation for the reaction 2. How many grams

6. ## the earth

name the four layers of the earth in order from the outside to the center of the earth This site will not only give you the layers but a picture and a discription. http://volcano.und.edu/vwdocs/vwlessons/lessons/Earths_layers/Earths_layers2.html crust,

what is the least common multiple The least common multiple is the lowest possible number that has both numbers for a factor. For instance, if you are asked to find the LCM for 4 and 8, the LCM would be 8 because it is divisible by both 4 and 8. If you

8. ## Chemistry - Density

Automobile batteries contain sulfuric acid. Calculate the number of grams of sulfuric acid in 0.500L of battery acid if the solution has a density of 1.28g/mL and is 38% H2SO4 (small numbers) by mass? Can you please answer this for me? density = 1.28 g/mL

9. ## calc

given S=piX(X+2Y) and V=piX^2Y show that dS/dX=pi(X-Y) when V is constant, and dV/dX=-piX(X-Y)when S is constant. Please HELP!! I have tried several times, and I don't get the result you asked for. If we're given S=piX(X+2Y), then dS/dx=

10. ## Chemistry - Density

Automobile batteries contain sulfuric acid. Calculate the number of grams of sulfuric acid in 0.500L of battery acid if the solution has a density of 1.28g/mL and is 38% H2SO4 (small numbers) by mass? Can you please answer this for me? double post.

11. ## Biology

Describe how density-dependent and density-independent factors regulate population growth.

12. ## Math

*Sigh* Can someone explain to me how I would work through this problem? An honest coin tossed n=3600 times. Let the random variable Y denote the number of tails tossed. (a) find the mean and the standard deviation of the distribution of the random variable

13. ## U.S History

Unscramble this message: worl h wa emer ralp d. " the 'ro und "th son, eard e sh ldo ot h thanks. http://www.unscramble.net/ =) That doesn't work. I already tried it. Just guessing ... worl h wa emer ralp d. " the 'ro und "th son, eard e sh ldo ot h worl +

14. ## chem

Using electronegativity arguments, classify the following diatomic molecules as nonpolar (N), polar (P), or ionic (I), and enter five letters in order (e.g. NPNPI, INPNP, etc) : NaF, HF, NaH, CaO, and F2. Look up electronegativity (EN)of each element and

15. ## Geography

- What large city lies east of rocky mountains and north of 37 north? - Name a large city that lies near the Sonoran Desert? Denver is probably the city you are looking for east of the Rockys and north of the 37th parallel. Both Phoenix and Tucson are in

16. ## Algebra

Write an equation for the translation so the graph has the given vertex. 1. y=-|x| vertex (-5,0) 2. y=2|x| vertex (-4,3) 3. y=-|x| vertex (p,q) I really have no idea how to even begin these, but I do know the answer to # 2 is y=2|x|+11 and #3 is y=-|x-p|+q

I want you to explain modals to me but not basically please send me your answers I WAÝT YOUR ANSWERS IMPATIENTLY I don't know what "not basically" means. Modals are irregular verbs that do not follow the normal pattern of verbs in the third person. Here

18. ## Math

It takes ten identical pices to form a circular track for a pair of toy racing cars. If the inside arc of each pair is 3.4 inches shorter than the outside arc, what is the width of the track? any help would be greatly appreciated. If you know that the

19. ## unscrable this phrase

Need help in unscrambling this phrase: MTLEFKOTRYETEEMCISRTRAE for what subject?Is this for What subject is this for? capilpsean (toy) ttstelli can you unsramble this (ttstelli) resdoita Littlest

20. ## Pre-Calculus

The function f(x)= x^4 is not one-to-one. Find a suitable restriction on the domain of f so that the new function that results is one-to-one. Then find the inverse of f. Restrict it to be non-negative to meet the 1-1 requirement.

21. ## Chem titration ph

What arethe pH, pOH, and concentrations of CO3 2- and HCO3 - after 1.000 mL of 0.1500 M HCl is added to 100.0 mL of 0.0100-M sodium carbonate solution? ignore the added1% volume. CO3^-2 + H^+ ==> HCO3^- Calculate mols carbonate to start. Calculate mols HCl

22. ## Spanish

Hey can someone proofread my work? I had to write a short paper on the life of an astronaut. Thanks. SPANISH: Una vida del astronauta como una parte de la Estación Espacial Internacional es muy interesa. Debido a la diferencia en la gravedad, un

23. ## History

How did Thomas Jefferson's inauguration differ from that of George Washington ? Discuss

24. ## chem

determine the correct molecular shapes of XeF4, GeF4, and SeF4 (Broken Link Removed)

25. ## History

What was Thomas jefferson doing during the revolutionary war years ? Did he awquit himself well ?

26. ## History

How did Thomas Jefferson attempt to heal the differences between the rupblicans and the federalists after the election of 1800 ? Was he successful ?

27. ## genetic information

I am doing a small (paragraph) section on the requirements of genetic information and I probably will put some of this in. It can be over anything. Is the below all correct? It must be an information carrier. It must be resistant to change. It must be able

28. ## Geography

Why is it unlikely to find earthquakes at depths greater then 300km? (something to do with the athenosphere) According to the principle of isostasy, what will happen to the elevation of a mountain range in the early stages of erosion? Why are continents

29. ## Science

Where can I find a biography on William Harvey? http://www.accessexcellence.org/RC/AB/BC/William_Harvey.html http://www.accessexcellence.org/RC/AB/BC/William_Harvey.html The other two posts don't seem to work right. Try this one.

30. ## History

List and explain the ways i which Jefferson's administration was able to reduce the fededral debt ?

31. ## History

Who was Samuel Chase ? What were Thomas Jefferson's feelings about the proceeding for his impeachment ? Was this incident in any way political maneuver ? http://en.wikipedia.org/wiki/Samuel_Chase

32. ## History

Look up the 12th amendment to the constitution and summarize it in several sentences. then discuss its impact on theelections of 1804 ? Are you going nuts? Do you think someone here will do that for you? Folks here will gladly critique your work or

33. ## science

what steps do you think can be taken to reduce the harmful effects of human activities on biogeochemical cycles? i don't know What steps do you think can be taken to reduce the harmful effects of human activities on biogeochemical cycles? The first major

34. ## To Lindz

If you see this post, respond here for a follow up on previous questions about reactivity to double bonds.

35. ## History

Did Thomas Jefferson overstep his authority in making the Louisiana Purchase ? How wa sthe New Orleans area originallhy governed by the United States ? Disscus.

36. ## ETH

What is the most significant similarities between the Chinese American and Japanese American [cultural] experiences They like baseball? this is an opinionated question physical appearance

37. ## math

the key...^=exponent QUESTION: What is 2^3-6x3^2 Can anyone help me please!!!! 2^3 is 8 3^2 is 9 I will be happy to check your work. is it 1? [[[help]]] u there No, of course not. Where is your work?

38. ## Science

What lives in the forest and starts with the letter k A koala? Kudu-Africa Kangroo-Australia King Snake-USA Kodiak Bear-Alaska i want adeai of kangroo please

Complete each pattern: 25,_____61,_____ We are thinking 43 and 80 since you can count up and down by even and odd. 64,_____,_____,_____,32 This one is no clue 25,43,61,80 YOUR RIGHT ABOUT THIS ONE 32,40,48,56,64 YOU GET THE ANSWER BY MULT BY 8'S Thank you

40. ## english

I have to write a one page persuasion letter to a congress person. I would like to write it about the issues surrounding DD. Debbie.... I don't know what topic "DD" is, so I can't help you specifically. However this site is super in giving you a step by

41. ## math

6=7x+x 4=2/3X+9-1/3X Not sure about the question, but it could be to solve for x, like this: 6=8x , then x=6/8 or x=3/4 4-9=(2/3)X - (1/3)X try to finish it...if you need more help, post it again

42. ## vacation

If you were going on vacation to New Zealand in December......... What would you pack??? THANKS FOR HELPING!!!!!!! Since December is wintertime in the northern hemisphere, it's summer in the southern hemisphere, where New Zealand is -- so pack for summer.

43. ## U.S History

The first two battles of the Revolutionary war were at ________ and ________. http://www.americanrevolution.com/RevolutionaryWarBattlesIndex.htm Be sure to scroll down. =)

44. ## social studies

what is the connection between arabs and electricity? can not think of any relation but oil to generate energy.