# Questions Asked onDecember 14, 2007

1. ## Physic

A 65 kg dancer leaps .32 m high. a) With what momentum does the dancer reach the ground? b) What impulse is needed to make a stop? c) As the dancer lands, the knees bend, lengthening the stopping time to .050 s. Find the average force exerted on the body.

2. ## Physics

The velocity of the transverse waves produced by an earthquake is 7.2 km/s, while that of the longitudinal waves is 4.2 km/s. A seismograph records the arrival of the transverse waves 68 s before that of the longitudinal waves. How far away was the

3. ## Math

Henry bought a new dishwasher for \$320. He paid \$20 down and made 10 monthly payments of \$34. What actual yearly interest did Henry pay? 1 - 14.55 2 - 29.09 3 - 34.38 4 - 68.75

In the photoelectric effect, suppose that the intensity of the light is increased, while the frequency is kept constant. The frequency is greater than the minimum frequency f0. State whether each of the following will increase, decrease, or remain

5. ## Physics

Rachel pulls her 13 kg suitcase at a constant speed by pulling on a handle that makes an angle x with the horizontal. The frictional force on the suitcase is 28 N and Rachel exerts a 44 N force on the handle. a) What angle does the handle make with the

6. ## Literature - HELP!

Identify the auditor, rhyme scheme, metrical feet, unstressed/stressed syllables and the type of poem it may be. Do Not Go Gentle into That Good Night by Dylan Thomas Do not go gentle into that good night, old age should burn and rave at close of day;

7. ## Physics

A 4610 kg helicopter accelerated upwards at 2 m/s^2. What lift force is exerted by the air on the propellers?

8. ## Spanish Research

How did the geography influence the emigration and exploration to Colombia and Venezuela? How did the indigenous people mix with the Europeans to contribute to the growth of colombia and Venezuela? PLEASE can someone help me with these questions... if you

9. ## st

7) (8 pts) Construct a histogram and a frequency polygon for the following frequency distribution Miles Number of Commuters Class Frequency 0 - 24 4 25 - 49 10 50 - 74 11 75 - 99 5 100 –124 1

10. ## natural approach

WHAT IS A NATURAL APPROACH METHOD???

11. ## math

what is the area of the largest rectangle formed when a plane intersects a right circular cylinder with a diameter of 12cm and a height of 15cm?

12. ## Chemistry

1. Commercial vinegar is a solution of acetic acid in water. How would you determine which brand of vinegar contains more acetic acid in a given volume of vinegar?

13. ## Dr Bob thanks last one

Last one thanks lewis dot for CO3^2-

14. ## Algebra

I need help, I don't understand this at all! I want to use Orange Juice. So what do I do? Find the hydrogen ion content of a substance of your choice. Using this hydrogen ion content, show how to find the pH of the substance using the formula. Is this

15. ## dr bob

I am still confused by the last one CO3^2- You were nice enough to do a diagram and then the expalnation for what else I needed to do was so confusing - I am at study hall and this is my last one

16. ## French

What is the main linguistical difference between the phrases; 1. Je m'en vais and 2. J'y vais

17. ## statistics

5) (2 pts) One fourth of the scores in any data set are below the A) first quartile B) secon quartile C) third quartile D) fouthr quartile

18. ## INS 205

Imagine that you immigrated to a foreign county with a culture vastly different from yours. While the economic opportunity in the country is great, there is a strong push to assimilate into the new culture. What are the positive and negative aspects of

19. ## statistics

Half of the numbers in any data set will be larger than the A) mean B) mode C) median D) midrange

20. ## statistics

Find the mean, median, and mode for the following set of data which shows the number of pages per article in a random sample of magazine articles. 4 6 4 6 5 4 4 5 7 4 3 6 5 8 4

21. ## wr

cross word!! (4) letter word for too, too (3) letter word for pen pal Thank you so much

22. ## Algebra 2

HOW DO I SUPPLY THE AXIOM OR THEOREM THAT JUSTIFIES TO A GIVEN STATEMENT

23. ## Psychology

What are the repercussions of a bruised ego? Would it be correct to say that there is not much difference in the theories of Freud and Erikson on ego? Are there any consequences to a bruised ego? I don't think there are but I am having such trouble with

24. ## astronomy

if a comet is 125 years from sun and has a perihelion distance of 1. AU..What is the aphelion distance? I formulated it this way, is this right? 125years^2/1.AU^3= 15,625

25. ## algebra HELP

I cant seem to get this one right can someone help me with the dot diagram.

26. ## sra McGuin

hi, I think I made all the changes - except i do not know how to put the accents on? Can you help me and review please thanks sam Como hacer un batido de fresas y kiwis 1. Primero, necesitas tener una licuadora, cinco kiwis, seis fresas, jugo de nuranjo,

27. ## Physics

A constant net force of 406 N, up, is applied to a stone that weighs 33 N. The upward force is applied through a distance of 2.4 m, and the stone is then released. To what height, from the point of release, will the stone rise? Thoughts: F = ma. Would the

28. ## SRA McGuin HELP PLEASE

what should i change paso to in number 10 thanks Como hacer un batido de fresas y kiwis 1. Primero, necesitas tener una licuadora, cinco kiwis, seis fresas, jugo de naranja, hielo, un cuchillo, y unos vasos. 2. Despues, corta las fresas 3. Ahora corta en

29. ## HUM 130

What are some other advantages and disadvantages of reuse? How should we recycle solid waste? To Separate or Not to Separate? Explain.

30. ## English

Please check my correction. Punctuation within Sentences—Hyphen You will need to write both short and long- term goals. The president-elect of the Rotary Club had the winning lottery ticket. Please buy three half gallon containers of ice -cream for the

31. ## statistics

5) (2 pts) One fourth of the scores in any data set are below the A) first quartile B) second quartile C) third quartile D) fourth quartile

32. ## science

NO2 ( negative by the 2 on the right side) how do I do this as lewis dots

33. ## CONTEMPORARY ISSUES IN AMERICAN EDUCATION

Standards-based education can sometimes put pressure on teachers to be sure they measure up to state standards. How does teacher accountability have a positive influence on the classroom environment? How does it have a negative influence?

34. ## world history

what was the name of the Renaissance period whose sketches of submarines, parachutes and flying machines were years ahead of their time?

Consider two different hydrogen atoms. The electron in each atom is in an excited state. (a) Is it possible for the electrons to have different energies but the same orbital angular momentum L, according to the Bohr model? Justify. No.Electrons within the

36. ## Earth Science

What is a temperature inversion? What causes major temperature inversions in te atmosphere?

37. ## math-binomial prob

I do not understand the binomial theorem. One of my questions is "there are 5 mutiple choice questions with 4 possible answers each. What is the probability of getting more than 3, exactly 3, and less than 3 correct?" Thanks for any help:)

38. ## spanish

what should i change paso to in number 10 thanks Como hacer un batido de fresas y kiwis 1. Primero, necesitas tener una licuadora, cinco kiwis, seis fresas, jugo de naranja, hielo, un cuchillo, y unos vasos. 2. Despues, corta las fresas 3. Ahora corta en

39. ## Calculus

A piecewise function is given. Use the function to find the indicated limits, or state that a limit does not exist. (a) lim is over x-->d – f(x), (b) lim is over x-->d + f(x), and (c) lim is over x-->d f(x) x^2 - 5 if x < 0 f(x)= -2 if x ->0 ; d = -3 1.

40. ## English

Can someone look over my assignemnt for accuracy please. Punctuation within Sentences—Colon 1. The book had some nice features, such as: a hard-bound cover, a ribbon for a bookmark, and the author’s signature.2. German grammar is simple: in that

41. ## english

Punctuation within Sentences—Dash 1.Her mind flew so quickly—she had so much to remember—that she forgot to stop at the light.2.The gardener—took the hoe and the shovel—and began to plant the flowers. Punctuation within Sentences—Hyphen 1.You

Can someone look over my assignemnt for accuracy please. Punctuation within Sentences—Colon 1. The book had some nice features, such as: a hard-bound cover, a ribbon for a bookmark, and the author’s signature.2. German grammar is simple: in that

44. ## ethics

List and explain the legal provisions of Roe. vs. Wade.

45. ## financial management

What does the results for payback equal to in the lemon juice project

46. ## world history

What is the term for the movement of people from rural to urban due to changes in farming, a soaring population, and an ever-increasing demand for industrial workers?

In the quantum mechanical picture of the hydrogen atom, the orbital angular momentum of the electron may be zero in any of the possible energy states. For which energy state must the orbital angular momentum be zero? n = 1 n = 2 n = 3 n = 4 Give your

A charge of -3.00 µC is fixed at the center of a compass. Two additional charges are fixed on the circle of the compass (radius = 0.125 m). The charges on the circle are -4.60 µC at the position due north and +5.00 µC at the position due east. What is

49. ## Chemistry (materials)

I have 3 questions: 1) how might the actual structure of a diamond help explain why it is sometimes found in the form of large, single crystals? 2) what feature of graphite's structure might account for its usefulness as a lubricant? 3) why are fullerenes

50. ## Ethnics

Louisiana is made up of predominately what race? Baton Rouge is in what direction of New Orleans?

51. ## Old Japanese riddle

These letters and numbers have taken us far. It's not a long journey. It's really quite terse. Can you solve the riddle of the japanese curse? 41 2d 4b 48 41 20 44 49 42 45 48 20 54 4b 49 4e 20 54 53 41 48 2d 41 53 2d 5a 49 48 20 54 4c 4f 2d 43 48 49 4e

52. ## Ethics

Race in Baton rouge (community) or louisiana. consider relations within neighborhoods, local government, service groups, clubs, schools, workplace or any environment.

53. ## Geography

I need a detailed map of south america, showing were the Andes Moutains, the Central plains, the Eastern Highlands and the equater.

asked by Like you'd want to know!
54. ## maths

how would i solve the differential equation dx/dt=-kx^2 i.e. solve for x as a function of t. I've been told to rearrange the equation to yield dx/x^2=-k dt but what can and should I do now?

55. ## math

what is 30%of90

56. ## S

What are some other ways we can reduce resource use, waste, and pollution?

57. ## Maths

How does the integral of -k dt = -kt?

58. ## ethics

According to W.D. Ross, what duties are binding on all moral agents?

59. ## English

How do you cite an online transcript of an interview in MLA format?

60. ## statistics

11. (4 pts) The following statistics provide information about the scores on a national mathematics exam. Mean 312 First Quartile 201 Median 296 Third Quartile 423 Mode 326 49th Percentile 307 a) What score did half of the test takers surpass? b) What was

61. ## science

How do I show HCN with the lewis dots

62. ## world history

what was the Aztec capital that had been build upon an island in the middle of Lake Texco in central Mexico? It was connected to the mainland by broad causeways.

63. ## world history

what is the term for the movement of people from rural areas due to changes in farming, a soaring population and an ever increasing demand for industrial workers?

64. ## world history

who was the main author of The ommunist Manifesto that portrayed the entire course of human history as a struggle between the "haves" and the "haves nots"?