1. physics

    three more questions: 1) A 1.50kg projectile is launched at 18.0m/s from level ground. The launch angle is 26 degrees above the horizontal. (Assume negligible friction) a) What is the maximum height reached by this projectile? b) How was will the
  2. math

    An experiment consists of rolling a weighted die. The probability of rolling each number is: Pr[1]=0.2 , Pr[2]=0.15 , Pr[3]=0.25 , Pr[4]=0.15 , Pr[5]=0.05 , and Pr[6]=0.2 . On the first roll, you record if the number is Small (1,2) or Large (3,4,5,6). If
  3. biology

    DNA codes for mRNA, which is then translated into polypeptides,which are strands of amino acids. The DNA sequence below codes for the following amino acids: methionine-valine-glycine-alanine-alanine-serine TAC CAA CCA CGC CGC UCA What effect would the
  4. The children of willesden lane

    1.How does Lisa Jura's music shape her identity? 2.How important is Lisa's religion to her identity? 3.What changes does Lisa and her family experience so far in the book? Which do you think were te most difficult for Lisa to accept? for her parents? how
  5. Spanish

    Could you please check these-I get stuck on reflexive verbs.We had to make up questions and answers. 1. ¿Qué haces tú en la escuela? Yo estudio en la escuela. 2.¿A qué hora te acuestas por la noche? Me acuesto a las once de la noche. 3.¿Cuándo te
  6. English

    1. What was used by Chinese? - Shells were used by Chinese. 1-1. Which was used by Chinese? - Shells were used by Chinese. 2. What money was used by Chinese? - Shells were used by Chinese. 3. Which money was used by Chinese? - Shells were used by Chinese.
  7. Science

    1. What is the question that this study aimed to answer? State the hypothesis that you tested. I completed the lab but I don't understand what it is that I am testing. The lab had me test fragmentation at 0,25,50 and 75%.Included Spiny Grass, Blue bunch
  8. Science

    1. What is the question that this study aimed to answer? State the hypothesis that you tested. I completed the lab but I don't understand what it is that I am testing. The lab had me test fragmentation at 0,25,50 and 75%.Included Spiny Grass, Blue bunch
  9. science

    Subjects Art Business Computers English Foreign Languages Health Home Economics Mathematics Music Physical Education Science Social Studies Features Contribute Download Experts Forum Job Openings Homework Tips Libraries.Jiskha Link to Us Reference School
  10. college

    thhis is a post from college. i kind of need the questions because it is necessary for the college i'm going to. i don't have a choice but i don't know where to find them (Broken Link Removed) http://www.collegeboard.com/student/apply/essay-skills/108.html
  11. English

    I forgot to ask you the following question. I included a few other questions. Thank you very much. 1) When giving instructions on what to do before boarding a plane to a person who has never flown, shall I use "you have to", "you + simple present", "you
  12. help asap statistic

    I need someone to check a statistic test can anyone help me. Unit 4 Test Multiple Choice 1. Which choices listed below indicate that a linear model is not the best fit for a dataset? Choose all that apply. (3 points) • Scatterplot shows a strong linear
  13. Program planning and evaluation

    Please respond to the following questions either by writing the design name or by describing the design using standard notation (X = program, O=observation, R= random assignment). For each design, please discuss all threats to internal validity. 1. a.
  14. program planning and evaluation

    Please respond to the following questions either by writing the design name or by describing the design using standard notation (X = program, O=observation, R= random assignment). For each design, please discuss all threats to internal validity. 1. a.
  15. program planning and evaluation

    Please respond to the following questions either by writing the design name or by describing the design using standard notation (X = program, O=observation, R= random assignment). For each design, please discuss all threats to internal validity. 1. a.
  16. english

    Read the selection from Sara Teasdale’s “Open Windows,” and answer the questions. [. . .] I am alone with Weakness and Pain, Sick abed and June is going, I cannot keep her, she hurries by With the silver-green of her garments blowing. 5 Men and women
  17. spanish

    i need multiple responses to these questions im stuck 1. Hablen sobre los aparencias, creencias y aficiones de: -los hippies, los yuppies, los emo, los Y me 2. Lo que me encanta de ______ es que ... Lo que me fastidia de ______ es que... Lo que me
  18. government please read

    I have to write an essay on the question: What are the advantages and disadvantages of the influence of interest groups. Do they have too much influence? Should there be more regulation of their activities? My question is, my textbook lists the advantages
  19. english

    Help please. 26. Write a paragraph that answers the questions below. Include at least two supporting details or examples. In “the literature of the Americas,” Kimberly Koza writes; “By discovering the literature of our neighbors, we may also learn
  20. English

    What are you fond of? I am fond of singing songs at a singing room. What is your personality like? I am kind of reserved. What are you interested in? I'm interested in painting pictures. What are you afraid of? I'm afraid of snakes. What do you want to do
  21. pre-alg portfolio

    **SOB STORY INTRO** This portfolio is on percent predictions and I very literally have no idea how to do it. This is a 30% grade for me and I only have a 68% right now in Pre-Alg, (which is confusing because I usually get 90-100% grades on my answers and
  22. PHYSICS

    a 75kg parent and a 22kg child meet at the center of an ice rink. they place their hands together and push hard enough to slide apart. a. is the force experienced by the child more than, less than, or the same force experienced by the parent? I said they
  23. PHYSICS

    a 75kg parent and a 22kg child meet at the center of an ice rink. they place their hands together and push hard enough to slide apart. a. is the force experienced by the child more than, less than, or the same force experienced by the parent? I said they
  24. math-urgent

    1. two cards are drawn from a standard of 52 cards. Find the probability that the second card is a spade given that the first card is a club. 2. Suppose you draw 3 cards from a standard deck of 52 cards . Find the probability that the third card is a club
  25. math-word problems with quadratics

    I have 5 questions... 1) The sum of two numbers is 12. Their product is 36. Find the two numbers. 2) The sum of two numbers is -15. Their product is -100. Find the two numbers. 3) The sum of two numbers is -8. Their product is 12. Find the two numbers. 4)
  26. Physical Chemistry

    A saturated solution of Na2SO4, with excess of the solid, is present at equilibrium with its vapor in a closed vessel. (a) How many phases and components are present? (b) What is the number of degrees of freedom o the system? Identify the independent
  27. check my work

    10. Knowing that you use 245 KWH 7am – 7pm and 165 KWH 7pm – 7am, answer the follow questions using the chart below. Constant Usage $0.05324/ KWH Daytimer (Most usage between 7am­7pm) · As long as most power used is 7am – 7pm, then you receive a
  28. Physics 1

    A hot-air balloonist, rising vertically with a constant velocity of magnitude v = 5.00 m/s, releases a sandbag at an instant when the balloon is a height h = 40.0 m above the ground. After it is released, the sandbag is in free fall. For the questions that
  29. Physics

    A hot-air balloonist, rising vertically with a constant velocity of magnitude v = 5.00 m/s, releases a sandbag at an instant when the balloon is a height h = 40.0 m above the ground. After it is released, the sandbag is in free fall. For the questions that
  30. program planning

    Please respond to the following questions either by writing the design name or by describing the design using standard notation (X= program, O=Observation, R=random assignment. For each design, please discuss all threats to internal validity. 1. Design:
  31. Program Planning

    Please respond to the following questions either by writing the design name or by describing the design using standard notation (X= program, O=Observation, R=random assignment. For each design, please discuss all threats to internal validity. 1. Design:
  32. i need help on these

    can someone help me figure these ones i know the answers but how do you get them? #3 It costs $1 per sqaure yard to waterproof canvas. What will it cost to waterproof a canvas truck cover that is 15'x 24'? answer; $40 #4 A part time employee worked a total
  33. Pleass Help With MATH

    Read this story to answer the following questions: Diego is building an architectural rendering of a house. For a portion of the roof, Diego cuts and folds a net for a triangular prism. the base of the prism is an isoceles triangle. the triangle has a base
  34. math

    HELP HELP I need to work this questions. Six hundred pennies are placed in a row. If every other penny is replaced by a nickel and every third coin us replaced by a quarter, what is the final value of the 600 coins? Take twelve pennies. Replace every other
  35. english

    - Computers - English - Foreign Languages - Health - Home Economics - Math - Music - Physical Education - Science - Social Studies GRADE LEVELS - Preschool - Kindergarten - Elementary School - 1st Grade - 2nd Grade - 3rd Grade - 4th Grade - 5th Grade - 6th
  36. business

    hi guys can you please answer some of these stuff? its for my business case about business philos and strategies.. i need everyones opinions and answers.. here goes: 1. Using the operations system model, describe fully kripy kreme’s production
  37. Chem Urgent Help ?

    I have a lab dis monday .. plz someone help .. Lab Title is (( Recrystallization of a Solid )) Pre-Lab Questions.... Explain the purpose of the following in this experiment. a) using hot filtration b) not cooling (chilling) the hot filtered solution
  38. physics

    5. A truck is travelling at a constant velocity of 16.7 m/s. A pumpkin is shot vertically (at a 90o angle to the ground)at a velocity of 120. m/s from the bed of a this pickup truck. The bed of the pickup truck is one meter high (from the ground). Complete
  39. Word Problems!!

    PLz help me!These questions are on my study guide for tommorrow's test and I don't get them.Please help me solve them because I don't have a lot of time because I have to go to Chruch in 20 minutes.PLease help!Thanks! 1.Six pears and three apples cost
  40. Biology 100

    Read Ch. 9, section 9.1, How Did Life Originate? Reasearch a theory about the origin of life on Earth other than the one summarized under Piecing it Together on p. 247 of the text. Use the following key words and Web sites to assist you with your search:
  41. Biology 100

    Read Ch. 9, section 9.1, How Did Life Originate? Reasearch a theory about the origin of life on Earth other than the one summarized under Piecing it Together on p. 247 of the text. Use the following key words and Web sites to assist you with your search:
  42. PHYSICS, PLEASE HELP TODAY!

    when it comes to chunks being ejected the masses are and velocities are 5kg(1737m/s), 10kg (184.3m/s), 100kg (1994m/s), 1000kg (2008m/s) What happens to the difference between the velocities as the number of chunks increases? What happens to the kinetic
  43. Chemistry

    I have spent all afternoon (on Thanksgiving, no less) trying to figure out these post-lab questions. We had to produce a precipitate of a reaction of: 1) 1 ml 1M Na2SO4 + 9mL 1M CaCl2 Our result was .569g 2) 5 ml 1M Na2SO4 + 5 ml 1M CaCl2 Our result was
  44. physics

    When there is no air resistance objects with different masses fall with....... A. equal accelerations and different displacements B. equal accelerations and similar displacements C. different accelerations and similar displacements D. different
  45. Chemistry

    Solutions of sodium hypochlorite, NaClO are sold as bleach. They are prepared by the following reaction: 2NaOH + Cl2 --> NaCl + NaClO + H2O If you have 2.32 mol of NaOH and 2.74 mol of Cl2 ga available to react, answer the following questions Na: 23.0
  46. Technology

    1. A mnemonic is a tool that you can use when you are studying to help you do which of the following? A. remember lists or large amounts of information more easily** B. write information on paper more easily C. print out information more easily D. copy and
  47. Career and education

    Describe the educational background/training necessary for that career. For example: 2-year college degree, Bachelor’s degree, graduate degree. What post-secondary routes could you take to get to that career? For example: attend a 2-year community
  48. religion

    I have a few questions regarding the issue of jemaah prayer for women. We know that the prayers made in the masjidil haram is 100,000 times than other places. Yet, for a woman prayer in her house is better. 1. Does this mean that a woman’s prayer at home
  49. physics

    two people push in opposite directions on a block that sits atop a frictionless surface. The soles of their shoes are glued to the surface. if the block originally at rest moves to the right a distance of d. Describe qualitatively how much work is done by
  50. Chemistry

    A tank of gas at 21 degrees C has a pressure of 1.0 atm. Using the data in the table answer the following questions. Explain your answers A. If the tank contains carbon tetrafluoride, CF4 is the liquid state also present? B. If the tank contains butane,
  51. Chemistry

    A tank of gas at 21 degrees C has a pressure of 1.0 atm. Using the data in the table answer the following questions. Explain your answers A. If the tank contains carbon tetrafluoride, CF4 is the liquid state also present? B. If the tank contains butane,
  52. ENGLISH

    An angel, robed in spotless white, Bent down and kissed the sleeping Night. Night woke to blush; the sprite was gone. Men saw the blush and called it Dawn. Paul Laurence Dunbar I have a few questions on this poem which I do not understand and would like if
  53. Chemistry

    The pH of a buffer can be predicted using the Hendersen-Hasselbach equation: pH=pKa+ log([conjugate base][conjugate acid]) The choice of the conjugate acid-base pair (as you did in the previous questions) determines the pKa value to be used in the H-H
  54. Math- repost

    This is a geometry question about disjunctions. The symbol "v" represents "or". "~" stands for "negation of" Here are two questions I need help with: 1. When p v ~q is false, then p is ______ and q is _____. I think "false" belongs in both spaces. 2. When
  55. English

    I have a few questions on sentences I wrote last week. Could you please check them? 1) In the summary of Gulliver's travels I used the present but a few sentences are in the past. 2) When Gulliver comes back home in England, his wife and his other family
  56. Geometry

    There is a parallelogram labeled (from left to right on the top) A - B (from left to right on the bottom) D - E There is a line that connects A to the opposite side E, and a line that connects B to the opposite side D. The intersection of the lines is
  57. Math Questions

    1.) 6√24x, for which value of x makes the expression equivalent to 18√24? a.) 3 b.) 9 c.) 12 d.) 18 My answer: C. 2.) 4√72x, for which value of x makes the expression equivalent to 24√72? a.) 6 b.) 7 c.) 36 d.) 72 My answer: A. 3.)
  58. chemistry 20 MC questions

    1- The equipment needed to carry out a titration is: A) hot plate, pipet, and filter paper B) heat source, test tube, and filter paper C) heat source, pipet, and burette D) erlenmeyer flask, pipet, and burette 2- A student correctly predicted that 10.0 g
  59. Math Pre-Alegebra

    Please you have no idea how bad at math I am please just tell me if I am correct. :( thanks. For questions 1-2 use the following prism. The measurement's of the prism are width=41 ft. lenghth-32 feet. height-49 feet. 1 find the surface area for the given
  60. Spanish

    Hello, I need some help with the following questions. Thank You #1 Choose the sentence in which the underlined word is grammatically correct. A. Esta Varilla negra _esta__ parada sobre otra cosa negra. B. Esta varilla negra __es__ parada sobre otra cosa
  61. Science/ Biochemistry

    You buy a quarter pounder with Cheese Extra Value Meal from McDonalds ( assume you drink water. Answer the following questions. Assumptions 1. All proteins involved in the sandwich are tripeptides 2. 1 molecule of fat makes 5 molecules of Acetyl CoA 3. 1
  62. Manuscript on an Article (bobpursley)

    Posted by bobpursley on Saturday, January 27, 2007 at 8:56pm in response to English (Speech). Read the article. What did it say? What was it point of view? Was the author complete in the analysis? What needs to be done? How did it make you feel? So in the
  63. Chemistry Help ????

    Experiment - Recrystallization of a solid Purpose in this experiment acetanilide will be recrystallized from water, which serves as the solvent.. Pre-Lab Questions.... Explain the purpose of the following in this experiment. a) using hot filtration b) not
  64. English

    1. What kind of favorite movies do you like? 2. What kind of favorite movie do you like? - I like horror movies. (Are the questions and answer correct? Do we have to use the plural form, 'kinds'?) 3. What is your favorite kind of movies/movie? - 4. It is
  65. socialstudies(CHECK ANSWERS)

    ANOTHER UPDATE FOR MY RECENT QUESTIONS I UPDATED ANSWERS....please check them 5. Mexico City was built by the A.Olmecs, when they began to grow maize. B.Maya, after they conquered the Valley of Mexico. C.Spanish, on the ruins of the Aztec capital. (I PICK
  66. English

    Write an essay on the most destructive force in the world today. http://www.google.com/search?q=most+destructive+force&rls=com.microsoft:en-us:IE-SearchBox&ie=UTF-8&oe=UTF-8&sourceid=ie7&rlz=1I7SUNA Take your pick!! Please note that we don't do students'
  67. Algebra

    (i am new to this subject of algebra) Use the figure to answer the following questions: ( a triangle with the bottom right corner of it labeled L with (1, 1) x y coordinates. Left corner of the triangle is labeled M at the (-3, 1) coordinates. the top of
  68. Chemistry

    Sulfur dioxide reacts with oxygen to form sulfur trioxide according to the equation 2SO2(g) + O2(g) <-> 2SO3(g) Samples of sulfur dioxide, oxygen, and sulfur trioxide were added to a flask of volume 1.40 dm^3 and allowed to reach equilibrium at a
  69. Chemistry

    A 2.50 gram sample of bronze was dissolved in sulfuric acid. The copper in the sample reacted with sulfuric acid to form copper sulfate. Cu (s) +2 H2SO4 (aq) -> CuSO4 (aq) +2 H2O (l) The copper sulfate formed in this reaction was mixed with I to form
  70. Physics

    I have two questions this one A 750-N force acts in a northweserly direction. A secon 750-N force must be exerted in what direction so that the resultant of the two forces points westward? I have no idea how to go about solving this prolbem second Draw the
  71. English Expression

    1. Paying attention to "linking", listen carefully. 2. Mark 'linking' where two words are pronounced as a linking sound. 3. Mark 'linking' between/under two words which are pronounced as a linking sound. (What about under instead of between?) 4. Put 'the
  72. Math

    Hi everyone! I am extremely struggling with this questions and was hoping someone would go over them with me. Thank you! 1. Which of the following expressions is written in scientific notation? a. 73.4 x 10^5 b. 0.09 × 10^7 c. 80 x 10^3 d. 4.22 x 10^–3
  73. Psyc Research Methods

    In the above study, the researchers reported the following mean femininity ratings (i.e. higher numbers indicate greater femininity): male- small meals (2.02) male- large meals (2.05) female- small meals (3.90) female- large meals (2.82) Assume that there
  74. Statistics

    A study of two groups of children since early childhood: One group of 62 attended preschool. A control group of 61 children from the same area and similar backgrounds did not attend preschool. Over 10 year period as adults, 38 of the preschool sample and
  75. Physics

    This set of questions uses an interesting formula. A torque applied for a certain time causes a change in angular momentum. Torque * (delta t) = delta L Lindsey is on the merry-go-round again. Her mass is 33kg . The merry-go-round has a mass of 78kg and a
  76. Spanish

    Answer the questions i complete sentences using "a+pronoun" modelo: ¿Le gusta comer pizza a Juan? Sí, (No) a él (no) le gusta comer pizza. 1. ¿Le gusta tocar la guitarra a la maestra? Sí, a él le gusta tocar la guitarra a la maestro. 2. ¿Les gusta
  77. English

    I really don't know how to express questions n. 1-2 better. Can you please help me? 1) How are Joyce's Dubliners arranged and what are its two recurrent themes? 2) What features have all the characters in Joyce's "Dubliner" have in common? 3) In Joyce's
  78. Comm/155

    I need to know if these are correct I have Bolded the adverbs and underlined the adjectives. I have had both good and bad experiences when dealing with credit cards. My credit went from good to better and eventually to what I thought was the best credit
  79. Chemistry

    I have a series of questions: The mass of 2.00 moles of Sodium chloride is how many grams? Can you please ahow me how you got your answer? How do you write chemical formulas? For example how so you right a chemical formula for calcium fuoride? For your
  80. More French

    Directions: Answer the following questions about myself and my family. 1. Votre maison ou votre appartement est grand(e) ou petit(e) Answer: Notre maison est grande. 2. Vous avez une voiture? Quelle est la marque de votre voiture? Answer: Oui, notre une
  81. Spanish

    I'm doing my work but i don't get these three questions at all. Could you explain them as well? ★Which part of this sentence is not correct? Esta muchacha tan bonito es alta. A. Esta B. bonito ✔C. muchacha ★Choose the correct verb for
  82. Physical Science

    Need help with these questions- 1.What causes an electric current in a wire? A.Electric feilds cause atoms to move in the wire B.Electrons flow because of electrical attraction and repulsion C.Electrons move because of heat D.Electrons build up in the wire
  83. science

    volume and mass This is not a question that I can answer, or help you solve. It is clearer if you phrase your post in terms of a specific question. I searched Google under the key words "volume mass" to get these possible sources:
  84. Calc

    t 0 5 10 r(t)0 90 0 A shop is open 9 AM - 7 PM. The function r(t), gives the rate at which customers arrive (in people/hour) at time t, where t measures time in hours since 9 AM. Suppose that the salespeople can serve customers at a rate of 75 people per
  85. healt

    Consider this scenario: Deana recently decided to start attending college, yet her family is criticizing her decision. They argue that she should focus on working so she can start earning money. When she begins school, they fear she will not have as much
  86. college stats

    Sorry for all the questions, I really need help and an explanation so I can fully understand. I really appreciate everything. Thank you. In a random sample of 519 judges, it was found that 285 had an introvert personality type. Construct a 95% confidence
  87. University of Botswana

    Define Ethics and show how it relates to Metaphysics and Epistemology. Check these sites. http://en.wikipedia.org/wiki/Ethics http://en.wikipedia.org/wiki/Epistemology http://en.wikipedia.org/wiki/Metaphysics Why are we here on Earth? What is our Purpose?
  88. Math(Please Help!)

    An undisclosed number of friends gather for dinner. Each person shakes each other persons hand exactly once. How many handshakes occur? Piti reasons that 2 people will have one handshake. For each person added, everyone in the earlier group will need to
  89. math

    I have this question on tesselations, I got some homework and one of the questions are: A tesselation with the notation of schlafli of {3,3,4,4}. What formes are at the vertex. Draw a tesselation of it. I have been trying to figure this out for 30mins now
  90. Physics (acceleration)

    1. Jasmine rode a horse down a path headed north. she started from rest and then accelerated at 0.5 m/s2 for 12 seconds and then travelled at a constant speed for 28 seconds. a.) what was her velocity after 12 seconds? b.) what was jasmines displacement
  91. physics- MC QUESTIONS

    Can you help please Question1: A car makes a banked turn on a "real" road (meaning you can not ignore friction), which of the following are forces that act on the car: (for full credit you must select ALL that are true) A)centripetal force B) friction C)
  92. chemistry

    I need help on these questions. They all seem pretty similar i think? i don't know what formula i am suppose to use. And what does nonvolatile mean? is that like a clue or something? 1) 2.6 g of the nonvolatile solute sucrose (C12H22O11) is added to 465 g
  93. PHYSICS helppppp

    A 0.2 kilogram baseball is thrown vertically downwards towards to the same horizontal floor. The baseball possesses an initial velocity of 30 meters per second. The height is 10.00m. (A) Calculate the POTENTIAL GRAVITATIONAL ENERGY and KINETIC ENERGY of
  94. math

    Please check for me: Solve the questions below and identify them as experimental or theoretical. a. A baseball player reaches base 35% of the time. How many times can he expect to reach base in 850 at-bats? Theoretical – P(reaches base) = X/850 X/850 *
  95. Life Science

    Post a 200- to 300- word response to the following questions: · What role, if any, do you think people should play in preserving those regions threatened by human encroachment? · How should the interests of competing groups be balanced? · Example:
  96. Behavioral Statistics

    I need someone to explain HOW to do this..I don't want just the answer I have got to figure out how to do this before my mid-term, and I'm completely clueless! 3. One of the major U.S. tire makers wishes to review its warranty for their rainmaker tire. The
  97. Statistics

    True or False Questions. Statistics' students of a class of Lyceum want to calculate the average number of chocolate pieces in a standard package of biscuits SANTAS. They choose a random sample of biscuits, measure chocolate pieces in each cookie and
  98. Chemistry

    These are all true or false questions, and I think some of my answers may be wrong. Could someone please check them for me? 1) All stoichiometry calculations are based on STP conditions. (True) 2. Given the amount of reactant, you must use coefficients
  99. Spanish

    ¿Cómo son las monedas de pesos mexicanos?We had to do a reading and type the answers-not sure about this question Hay monedas de un peso, cinco pesos, diez pesos y de centavos. ¿En cuáles países se usa el dólar estadounidense? Panamá y Puerto Rico y
  100. Poetry: The Next War Wilfred Owen

    I'm having trouble analyzing the second verse. The first one talks about the different ways that death has faced soldiers. I think that the second one is about future of wars? maybe... Also what is the importance of the quote from Siegried Sassoon at the