y912f

Most popular questions and responses by y912f
  1. Physics

    1.what is the shortest possible time in which a bacterium could travel a distance of 8.4 cm across a Petri dish at a constant speed of 3.5 mm/s. the answer is 24s. how? 3.An athlete swims from the north end to the south end of a 50.0m pool in 20.0s and

    asked on January 29, 2009
  2. Physics

    1. A flowerpot falls from a windowsill 25.0 m above the sidewalk. a. how fast is the flowerpot moving when it strikes the ground? dont i need to know the time it takes, what formula am i supposed to use for this? would 25 m be the displacement? b. how much

    asked on January 30, 2009
  3. english

    here are some questions i had to answer for the story "The Other Wife" by Colette (translated by Margaret Crosland) [[it starts with 'for two?' and ends with 'superior women']] please check them all 1. marc seguy insists on sitting in the crowded area of

    asked on July 1, 2009
  4. physics

    please show me in steps how to solve this thanks alot! A bobsled zips down an ice track, starting from rest at the top of a hill with a vertical height of 150m. Disregarding friction, what is the velocity of the bobsled at the bottom of the hill? (g=9.81

    asked on February 14, 2009
  5. Physics

    calculate the following, expressing the answer in scientific notation with the correct number of significan figures: (8.86 + 1.0 * 10^-3) / 3.610 *10^-3 2454.57?

    asked on February 15, 2009
  6. physics

    A 0.10 kg piece of copper at an initial temperature of 95degC is dropped into 0.20 kg of water contained in a 0.28 kg aluminum calorimeter. The water and calorimeter are initially at 15degC. What is the final temperature of the system when it reaches

    asked on February 18, 2009
  7. Physics

    please check: An ant on a picnic table travels 3.0 * 10^1 cm eastward, then 25 cm northward, and finally 15 cm westward. What is the magnitude of the ant's displacement relative to its original position i got 70 cm please help with this: For the winter, a

    asked on February 4, 2009
  8. Physics

    write out the equation please show the steps taken to solve the problem A small airplane flies at a velocity of 145 km/h toward the south as observed by a person on the ground. the airplane pilot measures an air velocity of 172 km/h south. What is the

    asked on February 4, 2009
  9. trigonometry

    a wheel is rotating at 8 radians/sec, and the wheel has a 47 inch diameter. to the nearest foot, what is the velocity of a point on the rim in ft/min? all i know is that you have to use the formula v=r.w

    asked on January 7, 2009
  10. nutrition and wellness

    second writing assignment :) this time i wrote the whole thing, please check it for me: Pick a grocery store, and take notes on how the store is set up, and what factors you see affecting common food selections by the public. my work: There are many

    asked on July 14, 2009
  11. trigonometry

    can you please tell me what is the sec of (-855 degrees). and how to find it. thnks

    asked on January 7, 2009
  12. physics

    please tell me if this is done correctly Find the final equlibirum temperature when 10.0 g of milk at 10.0 degrees C is added to 1.60 * 10^2 g of coffee with a temperature of 90.0 degrees C. Assume the specific heats of coffee and milk are the same as for

    asked on February 23, 2009
  13. Statistics/Probability

    1. Two roommates, roommate A and roommate B, are about to go cruising with a mutual friend and are arguing over who gets to sit in the front seat. Roommate A suggests a game of rock-paper-scissors to settle the dispute. Consider the game of

    asked on July 7, 2013
  14. Grammar and Composition

    please check these answers for me: Underline all the nouns in the following sentences. Above each, LABEL whether it is concrete or abstract by writing a "C" or an "A." This part is worth 18 points. 1. Lorie and her friends went to a movie on the Fourth of

    asked on October 13, 2009
  15. Statistics/Probability

    2. Two roommates, roommate X and roommate Y, are expecting company and are arguing over who should have to wash the dishes before the company arrives. Roommate X suggests a game of rock-paper-scissors to settle the dispute. Consider the game of

    asked on July 7, 2013
  16. Physics

    Calculate the following, expressing the answer in scientific notation with the correct number of significant figures: (8.86 + 1.0 * 10^-3) / 3.610 * 10^-3 please help me write out the equation and fill in the appropriate data thanks for your help Jiskha

    asked on February 8, 2009
  17. trigonometry

    A wheel with a 21-inch diameter is turning at the rate of 58 revolutions per minute. To the nearest inch, what is the velocity of a point on the rim in inches/minutes? 3879 inches/minutes is my answer correct??

    asked on January 17, 2009
  18. Algebra

    Hello all! I had a quick homework question: I have to prove that the output of this always ends up as 1, regardless of the starting number: *Think of a number between 1 and 10. Add 1; double the result; add 3; subtract 4; add 5; halve the result; add 6;

    asked on June 21, 2014
  19. Environmental Science

    #52. In two or three well-developed paragraphs, list and describe the importance of the four steps in a simple environmental decision-making model. my answer: A decision-making model is a conceptual model that provides a systematic process for making

    asked on February 24, 2010
  20. nutrition and wellness

    HI JISKHA, just got my first course for next year. this is my first writing assignment: Think about your personal food choices: How do you decide what you will eat on a daily basis? What sorts of things influence your decision? What is the most significant

    asked on July 14, 2009
  21. english.poem.i am offering this poem

    which of the following statements BEST explains why I am offering this Poem is considered a lyric poem? a. it is a simple poem that tells a story b. it is a tragic poem that teaches a lesson c. it si a short poem that expresses stron emotion d. it is a

    asked on May 27, 2009
  22. history

    How did progressivism affect the role of the federal government in the early 1900s? (Please tell me what i can take away from my answer, because it is too long. What parts are not important that i can delete from my answer? thanks) Historians refer to the

    asked on June 3, 2009
  23. Algebra1

    Please let me know if these are correct. 1. Find: 10% of 30 3 2. Find: 10% of 100 10 3. Find: 20% of 50 10 4. Find: 20% of 100 20 5. Find: 50% of 50 25 6. Find: 150% of 300 450 7. Find: 15% of 56 8.4 8. Find: 27% of 92 24.84 9. Find: 32.8% of 106 34.768

    asked on June 10, 2010
  24. physics

    A rock is thrown straight upward with an initial velocity of 9.6 m/s in a location where the acceleration due to gravity has a magnitude of 9.81 m/s^2. To what height does it rise? i got 4.7 can you please show me how to solve for this last one

    asked on February 17, 2009
  25. U.S. History

    please check if my answer is correct Which was a provision of the Missouri Compromise of 1820 a. Missouri and Maine were denied statehood b. Western territories north of Missouri's southern border were closed to slavery c. Slavery could not spread to any

    asked on January 24, 2009
  26. Statistics

    At 100 college campuses, 1200 full-time undergraduate students were surveyed on their credit card usage. Among juniors, 65% reported that they didn't have a credit card in their own name, and 23% reported that they had at least one credit card in their own

    asked on July 7, 2013
  27. U.S.History

    In the Declaration of Independence what evidence is there that the colonists had already unsuccessfully voiced concerns to the King? i found this phrase from it, could it be the answer?: "He has refused for a long time, after such dissolutions, to cause

    asked on January 25, 2009
  28. trigonometry

    Find the values of s in the interval [0,pi/2] that make the statements true. 1. sin s=0.75438373 2. cos s=0.74241049 3. cot s=5.6394377 Can you tell me how you solve these.

    asked on January 7, 2009
  29. Physics

    Find the resultant of these two vectors: 2.00 * 10^2 units due east and 4.00 * 10^2 units 30.0degrees north of west. please SHOW me how to do this

    asked on February 5, 2009
  30. antigone

    In Ode 2 to what does the Chorus compare Antigone? a. a cresting wave b. a soaring bird c. a glowing ember d. a closed flower C The Chorus in Ode 3 comments on the a. power of love b. duty of sons to their fathers c. relationship of Haimon and Antigone d.

    asked on July 2, 2009
  31. Technology

    'I posted this question a while back on jiskha. i don't even remember if i got an answer or not. here it is: the montior is a part of the computer that would be considered a(n) a. input device b. processing device c. output device d. memory device i think

    asked on December 30, 2009
  32. U.S.History

    please check: A main theme of "A Noiseless Flash" is that a. chance alone determined who survived the attack b. many individuals anticipated the nuclear holocaust c. people respond methodically in emergencies d. all people suffer equally in war i chose A

    asked on February 5, 2009
  33. enlish. poem, Mother To Son

    in Mother to Son Langston Hughes uses the extended metaphor of a staircase to describe a. hard times b. life c. happiness d. love i was confused between a and b, but i think it's B.

    asked on May 27, 2009
  34. Literature

    please check my answers: 1. In "go Down, Death", Death is personified as a a. preacher in heaven b. cruel and devious angel c. rescuer on horseback d. huge comet in the sky i chose C 2. In the last stanza of "Tableau", the boys a. angrily comfront the

    asked on January 31, 2009
  35. Physics

    A rock is thrown straight upward with an initial velocity of 9.6 m/s in a location where the acceleration due to gravity ahs a magnitude of 9.81 m/s^2. To what height does it rise? please walk me through this problem:)

    asked on February 7, 2009
  36. Literature;Crucible.

    please check my answers to these 5 questions: 1. In "The Crucible", when Abigail threatens Betty, Abigail is motivated by her a. jealousy of Betty's pampered life as the daughter of a minister b. need for attention in the village because she is an orphan

    asked on January 31, 2009
  37. trigonometry

    A wheel with a 20-inch radius is marked at two points on the rim. The distance between the marks along the wheel is found to be 3 inches. What is the angle (to the nearest tenth of a degree) between the radii to the two marks? someone helped me on this

    asked on January 15, 2009
  38. U.S.History

    According to the Declaration of Independence, why were the colonists unhappy with the fact that their judges' salaries were paid by the king?

    asked on January 25, 2009
  39. Julius Caesar

    1. Cassius's character can best be described as a. noble b. idealistic c. cunning d. honest C 2. Caesar diregards the omens for all the following reasons except a. he does not trust the augurers. b. he does not want to appear cowardly c. he feels fate is

    asked on July 2, 2009
  40. Literature

    which quote form "The River Merchant's Wife" is the BEST example of an objective correlative? what is an objective correlative, and what is an example of it: a. "And I will come out to meet you" b. "The monkeys make sorrowful noise overhead" c. "At sixteen

    asked on January 31, 2009
  41. physics

    need HELP!! which of the following exhibits parabolic motion a. stone thrown into a lake b. space shuttle orbiting Earth c. leaf falling from a tree d. train moving along a flat track which of the following does NOT exhibits parabolic motion a. frog

    asked on February 12, 2009
  42. nutrition and wellness

    i have to write a research paper on a topic concerning Nutrition and Wellness. My topic is Diet and Diabetes. For now i just have to pick my topic and pick 5 websites that will help me with my topic. The sites have to be very useful, and give me the

    asked on July 15, 2009
  43. physics

    According to legend, to determine whether the king's crown was made of pure gold, Archimedes measured the crown's volume by determining how much water it displaced. The density of gold is 19.3 g/cm^3. If the crown's mass was 6.00 * 10^2g, what volume of

    asked on February 16, 2009
  44. hinduism

    I have to answer these questions in a few sentences, but I can't figure the first one out. Different websites tell me different stuff.. 1. How was the world created? 2. Description of God There is no single deity, instead there are thousands of gods.

    asked on October 27, 2010
  45. english.poem, Miss Rosie

    the line "I stand up" in the poem "Miss Rosie" indicates that the speaker a. is disgusted by Miss Rosie b. feels responsible for Miss Rosie's destruction c. respects what Miss Rosie has been through d. thinks that she is better than Miss Rosie i think it's

    asked on May 27, 2009
  46. U.S.History

    In the 1830s and 1840s, most southern whites a. were beginning to oppose slavery b. saw no need to reform their society c. promoted prison and public school reforms d. encouraged industrial developement in the South please help

    asked on February 2, 2009
  47. english

    What is the final lesson of "The Lost Horse"? a. A wise man knows when to tie up his horse and when to let it roam free b. Do not look a gift horse in the mouth c. Spare the rod; spoil the child d. We can never be sure what good or bad fortune awaits us D

    asked on July 5, 2009
  48. english

    Which of the following statements is an example of personification? a. my brother was always a lone wolf b. the morning dew gleamed liek a field of diamonds c. the flowers bowed their heads in homage d. the bear's feet were as cold as ice C--Flowers are

    asked on May 27, 2009
  49. Physics

    please show me how to solve these: 1. Simpson drives his car with an average velocity of 48.0 km/h to the east. How long will it take him to drive 144 km on a straight highway? answer=3.00 h 2. How much time would Simpson save by increasing his average

    asked on January 30, 2009
  50. U.S.History

    Which of the following was an advantage the North had over the South? a. more experienced generals b. military support from Britain c. more money to spend on war d. full support of all its citizens I think the answer is A Which of the following was an

    asked on February 4, 2009
  51. Physics

    a car is accelerating at a uniform rate of 0.85 m/s^2. what is the magnitude of the car's displacement as it accelerates uniformly from a speed of 83 km/h to one of 94 km/h? i tried a formula that solves for displacement and uses initial and final velocity

    asked on January 30, 2009
  52. Statistics - Help!

    I really really need help with this. Can someone please look at it and let me know. At 100 college campuses, 1200 full-time undergraduate students were surveyed on their credit card usage. Among juniors, 65% reported that they didn't have a credit card in

    asked on July 7, 2013
  53. SAT

    is there any helpful practice sat tests online other than the college board? i'm taking the test this saturday and i don't feel like i'm ready for it. i have studied the SAT prep book that i have, as much as i can. i especially need help in the math and

    asked on October 6, 2009
  54. history

    - If Britain and France had not adopted a policy of appeasement, would Adolf Hitler have been as successful as he was in overrunning Europe? pleease help me with this

    asked on June 13, 2009
  55. history

    While the United States referred to the conflict with Mexico as the Mexican War, Mexicans called the war the North American Invasion. What do these different names suggest about each country's perspective on the war? is it because president polk wanted

    asked on May 5, 2009
  56. english

    Which is not an example of an idiom found in "Miss Rosie"? a. "when I watch you" b. "[you] used to be called" c. "waiting for your mind" d. "I stand up" i think it's A. idiom is something can't be understood through literal definition (?). like for

    asked on May 27, 2009
  57. Literature

    kindly check my answers to these 7 questions on Huck Finn: 1. Writing that values intuition, emotion, and imagination over reason is called a. realistic b. romantic c. naturalistic d. ironic i chose B 2. Writers who concentrate on everyday life and close

    asked on January 31, 2009
  58. trigonometry

    please check my answers. 1.Find the area of the sector of a circle. r=11.8cm, theta-pi/7 radians I got 31.2cmsquared 2.Find the radius of a circle in which a central angle of pi/6radian determines a sector of area 76square meters. I got 17.03m 3.Find the

    asked on January 7, 2009
  59. Statistics/Probability

    3. On a given evening, two roommates, roommate A and roommate B, are arguing over who should control the television remote. Roommate A suggests a game of rock-paper-scissors to settle the dispute. It's the first time that the roommates have played each

    asked on July 7, 2013
  60. nutrition and wellness

    HACCP are guidelines and regulations for food safety standards. True False As a matter of fact, the government has implemented a system for commercial food preparation, and the word “critical” is part of that system: it is called “Hazard Analysis

    asked on July 15, 2009
  61. english

    Which of the following is not true of an epic? a. it is a long narrative work b. it embodies the values of a culture c. the story is written in either Latin of Greek but translated into English d. the hero is presented as someone who can perform remarkable

    asked on July 5, 2009
  62. Poem/Planet on The Table

    how would you describe the tone of the poem Planet on The Table by Wallace Stevens. this is hard for me to do because i don't even understand the poem

    asked on February 18, 2009
  63. Physics

    these are practice questions that i have the answer to, but i don't know how to solve them: 1.A human hair is approximately 50um in diameter. Express this diameter in meters. 2. if a radio has a period of 1us, what is the wave's period in sesconds? 3. A

    asked on January 28, 2009
  64. Geography

    question: Compare and contrast the various sources of energy. answer: There are various sources of energy, which modern industrial countries use to light cities, power cars and airplanes, and run computers and other electrical machines. The main energy

    asked on January 7, 2010
  65. Geography

    1. Which of the following is NOT one of the types of forests that grow in Northern Eurasia? a. mid-latitude deciduous forest b. mixed forest (deciduous and coniferous) c. coniferous forest d. chaparral D? 2. The rivers of Siberia, when not frozen, have

    asked on April 17, 2010
  66. physics

    please check these; a container of gas is at pressure of 3.7*10^3 Pa. How much work is done by the gas if its volume expands by 1.6 m. 5.92 * 10^5 A 0.10 kg piece of copper at an initial temperature of 95degC is dropped into 0.20 kg of water contained in a

    asked on February 17, 2009
  67. Physics

    please check these: 1. According to the Scientific Method, why does a physicist make observations and collect data? a. to decide which parts of a problem are important b. to ask a question c. to make an interpretation d. to solve all problems i was

    asked on January 27, 2009
  68. trigonometry

    Assume that the cities lie on the same north-south line and that the radius of the earth is 6400 km. Can you help me find the latitude of Spokane, WA if Spokane and Jordan Valley, OR, 43.15degreesN, are 486 miles apart. I think its either A. 47.50degN or

    asked on January 7, 2009
  69. Environmental Science

    I need help on this question: 29. A common feature of thermal pollution and artificial eutrophication is that they both a. have sources that are difficult to identify and control b. cause large mats of algae to bloom in fresh water c. are a result of power

    asked on January 19, 2010
  70. history

    why do you think some critics of the New Deal feared that its programs might lead to socialism or communism? can someone please help me on this quesiton?

    asked on June 5, 2009
  71. antigone

    Which of the following events did not take place? a. Teiresias blames Creon for causing his birds to behave strangely b. After Creon fails to save Antigone, he buries Polyneices c. In the Paen, the Chorus implores Dionysos to head Thebes d. The messenger

    asked on July 2, 2009
  72. trigonometry

    the radius of the tires of a car is 13 inches, and they are revolving at the rate of 506 revolutions per minute. how fast is the car traveling in miles per hour. A. 6.23pi mph B. 1.25pi mph C. 149.50pi mph D. 12.46pi mph

    asked on January 8, 2009
  73. nutrition and wellness

    The term "foodbourne pathogen" means a microscopic organism coming from a food source that may be harmful to humans. True False true right?

    asked on July 15, 2009
  74. english

    Which of the following is not characteristic of the suras in the Koran? a. they are lyrical passages b. they are written in rhymed Arabic verse c. they emphasize the mercy of Allah d. they emphasize the richness of life on earth D

    asked on July 5, 2009
  75. Physics

    please check this the Greek letter delta indicates a(n) A. difference or change b. sum or total c. direct proportion d. inverse proportion i chose A?

    asked on January 28, 2009
  76. trigonometry

    assuming that Earth's radius is 6400 km, find the linear velocity of Quito, Equador, a city on the equator. (Use pi=3.1416 and 1.6 km=1 mile).

    asked on January 7, 2009
  77. Geography

    48. What role has the concept of nationalism played in the life of Russia in the past and present. I'm so confused on this question :/

    asked on April 26, 2010
  78. Literature

    please check these 7 answers on Huck Finn: 1. Huck goes along with the king and the duke until a. they decide to steal from the Wilks sister b. they sell Jim to the Phelps farm c. they try to steal the raft d. he realizes they aren't actually royal i chose

    asked on January 31, 2009
  79. Geography

    #53. In an essay, discuss the causes of discontent between Catholic and Protestants in Ireland and the significant events in this drama. Be sure to include dates throughout your essay in order to create a timeline of the events. my answer: Ireland’s

    asked on February 13, 2010
  80. Physics

    Which of the following exhibits parabolic motion? a. a stone thrown into a lake b. a space shuttle orbiting Earth c. a leaf falling from a tree d. a train moving along a flat track what is parabolic motion? which would be a good choice? thanks alot for ur

    asked on February 5, 2009
  81. Geography

    28. What information would be the most helpful in drawing inferences about hwy certain countries in Southeast Asia have a large number of Muslims? a. knowing what countries in the region were colonized by France b. knowing what countries were ruled by

    asked on April 17, 2010
  82. Technology

    23. ? List two examples of tools used in each of these major areas of processing: material, energy, and information processing. Ok, this wasn't so hard: 23. There are a few tools that are used in each of the three major types of processing: material,

    asked on April 9, 2010
  83. Environmental science

    can someone help me on this question please: 27. The tundra is most suitable to a vertebrate that a. requires nesting sites in tall trees b. is cold blooded c. has a green outer skin for camouflage d. can migrate hundreds of kilometers each summer i've

    asked on January 6, 2010
  84. Physics

    please show me how to solve this 1. A bus travels 280 km south along a straight path with an average velocity of 88 km/h to the south. the bus stops for 24 min. then, it travels 210 km south with an average velocity of 75 km/h to the south a. how long does

    asked on January 30, 2009
  85. U.S. History

    please check this 1. English explorers like Cabot, Frobisher, and Hudson were searching for a. the seven golden cities b. the Great Migration c. a Northwest Passage d. a land rout to California i picked C

    asked on January 21, 2009
  86. trigonometry

    these two are the same type of questions but i have no clue how to figure out the answer. i have tried drawing it out but don't know what to do after that. 1. a bicycle with a 28-inch wheel(diameter) travels a distance of 800 feet. how many revolutions

    asked on January 7, 2009
  87. Geography

    #63. Describe the geography of southern South America and how this geography influences economic activity? my answer: The three nations of southern South America--Uruguay, Paraguay, and Argentina--are very different from the rest of the continent. The

    asked on February 1, 2010
  88. SPANISH

    TRUE OR FALSE The Mayan calendar was not as exact as the European calendar in the year A.D. 200. ¡help!

    asked on May 9, 2009
  89. Literature

    the jar in "Anecdote of the Jar" can be seen as a metaphor for a. the slovenly wilderness of Tennessee b. the crushing boredom of nature c. humanity's interaction with nature d. humanity's love of wilderness areas i don't get this question cuz i don't even

    asked on January 31, 2009
  90. trigonometry

    Radio direction finders asre set up at points A and B, 8.68 mi apart on an east-west line. From A it is found that the bearing of a signal from a transmitter is N 54.3degE, while from B it is N 35.7degW. Find the distance of the transmitter from B, to the

    asked on January 16, 2009
  91. Environmental Science

    #35. In two or three well-developed paragraphs, list the populations that are affected by ultriviolet light and identify the effects on each of these populations. my answer: There are four major populations that are affected by ultraviolet light. These

    asked on February 23, 2010
  92. nutrition and wellness

    Whole fruits are good sources of vitamins, minerals, and a. protein. b. trans fats. c. fiber. d. high fructose corn syrup. c fiber?

    asked on July 29, 2009
  93. english

    In passage 8 from the Tao Te Ching, the Tao is compared to a. a summer's day b. water c. nourishing food d. the ground B

    asked on July 5, 2009
  94. U.S.History

    i have to write a letter to the Continental Congress from the perspective of a woman or an African American who has just read the Declaration in 1776. in the letter i have to comment on the Declaration's statement that "all men are created equal" and also

    asked on January 25, 2009
  95. U.S.History

    i have to analyze a political cartoon. it appeared during the American Revolution by Benjamin Franklin. it shows a snake broken into many parts. each part has a initial of a state like., NY, NC, P, NE, V, M.etc on the bottom it says JOIN or DIE. i have to

    asked on January 25, 2009
  96. U.S. History

    please check this The Treaty of Greenville was the result of which of the following battles a. Battle of Ticonderoga b. Battle of Burnt Cabins c. Battle of Fallen Timbers d. Battle of Little Big Horn i picked C

    asked on January 24, 2009
  97. Technology

    I posted this question a while back on jiskha. i don't even remember if i got an answer or not. here it is: the montior is a part of the computer that would be considered a(n) a. input device b. processing device c. output device d. memory device i think

    asked on December 30, 2009
  98. SPANISH

    TRUE OR FALSE In Costa Rica, it costs less to attend a university than in the U.S. As in the U.S., college graduates in Costa Rica don't always end up practicing the professions for which they studied what does this say?: Las universidades latinoamericanas

    asked on May 19, 2009
  99. PreAlgebra

    A circular pond 20 m in diameter is surrounded by a gravel path 5 m wide. The path is to be replaced by a brick walk costing $30 per square meter. How much will the walk cost? i need to teach this to my brother, but i'm stuck on it myself. please show me

    asked on May 8, 2009
  100. Literature

    Expressionist drama aims to a. shock the audience by portraying characters with unrealistic conflicts b. make the audience focus on themselves rather than on the stage c. keep drama within the confines of a "beginning, middle, end" pattern d. reveal the

    asked on January 31, 2009

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