1. physics

    A trunk of mass 15 kg is on the floor. The trunk has a very small initial speed. The acceleration of gravity is 9.8 m/s2 . What constant horizontal force pushing the trunk is required to give it a velocity of 10 m/s in 20 s if the coefficient of sliding

    asked by Kailee on July 2, 2014
  2. Elem. Ed.

    Can someone please give me input on this question? Complete immunization is usually required of chldren: 1.who will be turning 2 years old. 2.before they can travel across state line. 3.at the time they enroll in childcare programs. This question is

    asked by Keisha on April 15, 2007
  3. 7th Scholastic Math

    I don't know how to answer this question. If you could provide me an explanation or an answer that would be much appreciated by me. Thank you tutors. Hope I provided enough information for the question. The following data/information was organized in a

    asked by anon on December 2, 2015
  4. math

    (n-2)*180 =108n 180 n - 108 n = 360 72 n = 360 n = 5 drwls, I had totally misread the problem and thought it said (n-2)^180 =108n been working on it for almost an hour, trying Newton's method and all kinds of iteration. I really have to try to read the

    asked by chris verwer on March 21, 2007
  5. math

    Can you double check my answer for me. The question is Corinne calculated the area of a paper plate to be 50.27 square inches. If the actual area of the plate is 55.42 square inches , what is the relative error in calculating the area, to the nearest

    asked by Gail on June 9, 2013
  6. ENGLISH

    Love is a surgeon Love can cut into your flesh like a scalpel Love can operate upon your heart Love can circumcise you Perhaps you don't believe it But i know. Love operates Upon your skin, your hair, your gait For Love there is no remedy Except the

    asked by Yeng on December 3, 2014
  7. Math

    A store receive an invoice for $1773.75 dated January 23 with terms 3/10, 1.5/25, n/45. a) What is the balance after a payment of $1250 on Februray 2? 1250/(1-.03)=1288.66 1288.66-1773.75=485.09 Answer for (a)$485.09 b) What additional payment on February

    asked by Thara! on March 11, 2010
  8. PHYSICS HELP 3RD REQUEST

    A box rests on a plank that is inclined to the horizontal. As the angle between the plank and the horizontal increases, does the component of the weight of the box parallel to the plank increase, decrease, or remain the same? Please just answer Suzanne,

    asked by Suzanne on October 17, 2006
  9. Physics

    To demonstrate standing waves, one end of a string is attached to a tuning fork with frequency 120 Hz. The other end of the string passes over a pulley and is connected to a suspended mass M, as shown. The value of M is such that the standing wave pattern

    asked by AJ on October 1, 2012
  10. school

    1) What are four suggested steps to becoming familiar with early music standards? I. Implement the music standards. II. Consult with a music specialist. III. Check to make sure the music standards are satisfied. IV. Read the music standards. V. Sign up for

    asked by Anonymous on August 14, 2017
  11. Physics

    Getting my head twisted around by the wording of these two questions, any help would be appreciated. My answers/ideas are below each question. 1) Briefly explain whether there would there be more or fewer configurations available for the gas if the

    asked by Anon on May 6, 2018
  12. Health

    1-Which f these methods are ineffective in protecting you from hiv? A-avoiding contact with blood B-Practicing abstinence C-sharing needles(my answer) D-avoiding alcohol 2-Samuel has engaged in high risk sexual behavior, but he feels fine. He thinks it's

    asked by Please help me on March 1, 2017
  13. Yet another science question..

    How much work is done when you push a 50kg refridgerator across the room for 3 meters? None, if you ignore friction. Work requires a force, gravity is upwards. In reality, work is done in pushing horizontally, but that is due to friction, not mentioned

    asked by brandi on December 19, 2006
  14. psychology

    You can be certain that a child has suffered from fetal alcohol syndrome should you discover A smaller-than-average brain size B low level of infant activity C poor vision D above-average physical growth followed by below-average growth i believe the

    asked by tzeni on January 7, 2009
  15. Physics

    An electric power plant that would make use of the temperature gradient in the ocean has been proposed. The system is to operate between 20.0°C (surface water temperature) and 5.00°C (water temperature at a depth of about 1 km). The first question asks

    asked by Z32 on February 26, 2011
  16. Physics

    A bowling ball rolls without slipping up a ramp that slopes upward at an angle (beta) to the horizontal. Treat the ball as a uniform, solid sphere, ignoring the finger holes. What is the acceleration of the center of mass of the ball? Express your answer

    asked by Joe on April 3, 2012
  17. Statistics

    I have provided information from #3-5 in order to answer #6.. 3. Give the mean for the mean column of the Worksheet. Is this estimate centered about the parameter of interest (the parameter of interest is the answer for the mean in question 2)? The Mean

    asked by Hope on October 7, 2011
  18. math

    A rectanglar blacktop with a length of 5x and a width of 3x has been erected inside a rectangular field that has a length of 12x and a width of 7x. What is the area of the part of the field that is not blacktop? (I believe the answer is 69x^2) There is a

    asked by Jane on March 1, 2013
  19. English

    What, if anything, is wrong with with the following sentence? Do you advise me to go to college or that I should get a job after high school. a. Run-on b.Misplaced part c. Lacks parallel parts d. Properly constructed sentence. I believe the answer is c. I

    asked by ds on August 6, 2007
  20. child day care

    1. When preparing an environment for school-aged children, the caregiver should ensure that the A. environment resembles their school setting. B. children are continually intermixed with the younger children. C. outdoor area allows them to continually

    asked by dawn on February 1, 2011
  21. math proportions

    At a certain time of the day, a 5 foot 1 inch woman casts a 3 foot 4 inch shadow. How tall is a nearby tree that casts a 12 foot 10 inch shadow at the same time of day? Answer in feet and inches.  Do not round until

    asked by shay on February 26, 2015
  22. Rounding Decimals

    Marley and Hassan rounded the number 7.483. Marleys answer was greater than 7.438. Marleys answer was greater than 7.483, and Hassan's anser was less. Towhat place might the number have been rounded by Marley? By Hassan? Explain.

    asked by Iris on February 9, 2011
  23. Accounting

    Identify at least three external users of accounting information and indicate two questions they might seek to answer through their use of accounting information I just need help on indicate 2 questions they might seek to answer through their use of

    asked by Mary on July 1, 2011
  24. Math

    12+4n/3 = 8 Not multiple choice.. trying to find n. My answer is 7 9a - 3(a -6) = -6 Not multiple choice.. I'm not quite sure how to do this The width of a rectangle is 6 in. less than its length. The perimeter is 68 in. What is the width of the rectangle?

    asked by Anonymous on September 17, 2014
  25. college psychology

    All of the following are true regarding billingualism EXCEPT: -Individuals who learn a second language during childhood are more likely to speak it with the appropriate accent. - Those who are billingual usually demonstrate a less efficient performance on

    asked by Michele on November 19, 2008
  26. Physics

    Consider a capacitor made of two square plates of side 'l' . The distance between the two plates is 'd'. a) We insert a dielectric of dielectric constant K>1 and width l, a distance x (as in the diagram). What is the total capacitance of this arrangement?

    asked by Phy on March 12, 2013
  27. algebra please help

    Sal's Sandwich Shop sells wraps and sandwiches as part of its lunch specials. The profit on every sandwich is $2 and the profit on every wrap is $3. Sal made a profit of $1,470 from lunch specials last month. The equation 2x + 3y = 1,470 represents Sal's

    asked by anonymous on October 6, 2015
  28. algebra

    Sal's Sandwich Shop sells wraps and sandwiches as part of its lunch specials. The profit on every sandwich is $2 and the profit on every wrap is $3. Sal made a profit of $1,470 from lunch specials last month. The equation 2x + 3y = 1,470 represents Sal's

    asked by alex on October 14, 2015
  29. Urgent math

    please help The fox population in a certain region has a relative growth rate of 7% per year. It is estimated that the population in 2005 was 19,000. (a) Find a function n(t) = n0ert that models the population t years after 2005. n(t) = (b) Use the

    asked by Lydia on August 3, 2015
  30. Religion-Islam-Al-Quran

    There seems to be no one here who is familiar enough with the Quran to answer you at this time. You are certainly free to use any search engine, but be aware that you will find conflicting and confusing results, as with most online searches.

    asked by Writeacher on April 5, 2007
  31. poetry

    I would say no, the mariner was not alone on his ship, because there was the wedding guest with him! I went to google and looked up the poem, read it, and it looks like he mostly says things like "The ship was cheered, the harbour cleared,Merrily did we

    asked by Jenna on February 26, 2007
  32. Statistics

    In the third week of July, a random sample of 61 farming regions gave a sample mean of = $6.88 per 100 pounds of watermelon. Assume that is known to be $1.72 per 100 pounds. A farm brings 30 tons of watermelon to market. Find a 98% confidence interval for

    asked by Desperate on July 7, 2012
  33. word problem

    A disoriented driver crosses diagonally from one corner of a 150 m by 275 m lawn to the far corner. How far does the wayward driver drive across the lawn? Give an approximate answer to three decimal places. What formula would I apply to solve this?

    asked by Shawn on October 27, 2008
  34. Math help

    3. You recently started the paperwork to purchase your new home, and you were just notified that you can move into the house in 2 weeks. You decide to hire a moving company, but are unsure which company to choose. You search online and are interested in

    asked by tera on February 8, 2009
  35. calculus

    find the circular cylinder of greatest volume that can be inscribed in a right circular cone with altitude 20 cm and diameter of base 10 cm. please answer in detail ..... so at a height h, the radius is 5(1-h/20) check that. VolumeCone= PIr^2 H = PI h *

    asked by heo on December 10, 2006
  36. algebra II

    Help me solve this problem that I missed, so that I can see where I went wrong. Synthetic Division (3X3 -2x +5). (x-2) I would set it up with the following algorithm to do synthetic division (this is how I do it and how I taught it, the ----- are simply

    asked by Jonathan on August 7, 2007
  37. physics

    A student stands on a bathroom scale in an elevator at rest on the 64th floor of a building. The scale reads 840 N. As the elevator moves up, the scale reading increases to 943 N, then decreases back to 840 N. The acceleration of gravity is 9.8 m/s^2. Find

    asked by luma on November 1, 2015
  38. Nutrition

    which of the foods is Not a common allergen? eggs, orange juice, rice, or whole wheat bread Rice is not a common allergen. Am I right? It is in some parts of Asia. But the others are more common here. So I would GUESS Rice is the correct answer. I would

    asked by Paula on April 20, 2007
  39. Chemistry

    A sample of CuSO4*5H2O was heated to 110 degrees C, where it lost water and gave another hydrate of copper (II) ion that contains 32.50% Cu. A 98.77-mg sample of this new hydrate gave 116.66 mg or barium sulfate precipitate when treated with barium nitrate

    asked by Help Please!!!!!! on June 11, 2009
  40. Math!

    A store receive an invoice for $1773.75 dated January 23 with terms 3/10, 1.5/25, n/45. a) What is the balance after a payment of $1250 on Februray 2? 1250/(1-.03)=1288.66 1288.66-1773.75=485.09 Answer for (a)$485.09 b) What additional payment on February

    asked by Thara! on March 11, 2010
  41. STAT1

    In the quiz in Exercises 1 and 2, the grading scheme is as follows: each right answer is awarded 5 points, and 1 point is taken off for each wrong answer. Recall that the quiz consists of 10 questions, and that in the class, the average number of right

    asked by HELPPPPP on March 12, 2013
  42. Statistics

    In the quiz in Exercises 1 and 2, the grading scheme is as follows: each right answer is awarded 5 points, and 1 point is taken off for each wrong answer. Recall that the quiz consists of 10 questions, and that in the class, the average number of right

    asked by Daniel on March 7, 2013
  43. Economics

    Suppose the total output curve increases at an increasing rate for workers 1 to 50, increases at a decreasing rate from workers 51 to 101, and decreases beyond 101 workers. You would know that Choose one answer. a. marginal product is increasing from

    asked by Anonymous on September 19, 2010
  44. Maths

    (1)Evaluate 54 base 6 + 305 base 6, give your answer in base 6 (2) evaluate 785 base 9 + 306 base 9 , give your answer in base 9

    asked by Virgie on November 2, 2013
  45. English

    For example, when people ask "We don't have to hand in the assignment right?" Why do some people answer "No." (They meant the assignment does not have to be handed in.) But if so, should the answer be "Yes." (Yes, that's right, we don't need to hand in the

    asked by Samuel on May 15, 2009
  46. Math- Corrections

    What is the reciprocal of -3.21? I'm not sure but I think that this is what you have to do: -3 21/100= -321/100= -100/321 Answer: -100/321 Is this correct? If not, show me how to do it, and give me the correct answer. Thank you.

    asked by Chris on November 5, 2007
  47. help ??????????????????

    no table and no diagram for this question a)What speed would water have to drop below to deposit a 250μm diameter grain of sediment?......... answer to unit ms^-1 b)What speed would water have to drop below to deposit a 500μm diameter grain of

    asked by sam on March 9, 2013
  48. Math

    A number cube is rolled 450 times. The number 3 comes up 67 times. a. What is the theoretical probability of rolling a 3? Write your answer as a fraction in simplest form. b. What is the experimental probability of rolling a 3? Write your answer as a

    asked by mr mega on May 14, 2019
  49. science help?

    no table and no diagram for this question a)What speed would water have to drop below to deposit a 250μm diameter grain of sediment?......... answer to unit ms^-1 b)What speed would water have to drop below to deposit a 500μm diameter grain of

    asked by sam on March 9, 2013
  50. Pre algebra

    Question 1 (Multiple Choice Worth 1 points) (01.01 MC) Which decimal number best describes the fraction fraction 137 over 6? *** A repeating decimal 22.83 with a bar over 3 A terminating decimal 22.83 A repeating decimal 22.82 with a bar over 2 A

    asked by Waffles on August 18, 2016
  51. Math

    1. Choose the correct way to read this number. 32.507 A. thirty-two and five hundred seven hundredths B. thirty-two and five hundred seven thousandths C. thirty-two point five zero seven D. three hundred twenty-five and seven hundredths Answer: B 2. Choose

    asked by Anonymous on March 17, 2019
  52. Physics

    To demonstrate standing waves, one end of a string is attached to a tuning fork with frequency 120 Hz. The other end of the string passes over a pulley and is connected to a suspended mass M, as shown. The value of M is such that the standing wave pattern

    asked by AJ on October 5, 2012
  53. Physics

    A concave spherical mirror has a radius of curvature of 18 cm. Locate the images for object distances as given below. In each case, state whether the image is real or virtual and upright or inverted, and find the magnification. (If an answer does not

    asked by Physics Lover on March 4, 2016
  54. chemistry help urgent

    Please can someone help me before i pull all my hair out i've been struggling with this for about a week CH2=CH-CH-OH ________' _______CH3 i need to polymerize this compound and draw the structural formula it needs to contain three monomer units and i need

    asked by sarah on March 2, 2007
  55. Math

    Can somebody please explain to me how to factor trinomials that contain two unknown variables and are complex sum & product?? Examples: 2x^2 + 13xy + 15y^2 11x^2 + 14xy + 3y^2 I understand how to factor trinomials that only have x as the variable, but

    asked by Danielle on April 4, 2007
  56. ms.pls help me urgent and thanks a lot to you

    ms sue thank you so much. and please help me again for this answer so that i can submit to my teacher in english. . “Spoken language was the first form of communication between human beings, it came along with the written language, and writing is the

    asked by jessie on August 18, 2011
  57. PHYSICS

    A bead of mass m slides without friction on a vertical hoop of radius R . The bead moves under the combined action of gravity and a spring, with spring constant k , attached to the bottom of the hoop. Assume that the equilibrium (relaxed) length of the

    asked by Anonymous on October 21, 2013
  58. physics

    A bead of mass m slides without friction on a vertical hoop of radius R . The bead moves under the combined action of gravity and a spring, with spring constant k , attached to the bottom of the hoop. Assume that the equilibrium (relaxed) length of the

    asked by PLS HELP ME on October 19, 2013
  59. physics

    A bead of mass m slides without friction on a vertical hoop of radius R . The bead moves under the combined action of gravity and a spring, with spring constant k , attached to the bottom of the hoop. Assume that the equilibrium (relaxed) length of the

    asked by Anonymous on October 19, 2013
  60. physics(HELP IT'S URGENT)

    A bead of mass m slides without friction on a vertical hoop of radius R . The bead moves under the combined action of gravity and a spring, with spring constant k , attached to the bottom of the hoop. Assume that the equilibrium (relaxed) length of the

    asked by Anonymous on October 20, 2013
  61. Sociology

    I'm working on my sociology assignment on American Family. I have to answer questions on how today's american family have changed from watching old and current tv shows that my teacher assigned to us. (The 70's show and Gilmore Girls) Now, I watched some

    asked by THE 70's SHOW!! on April 17, 2012
  62. PHYSICS URGENT HELP

    A bead of mass m slides without friction on a vertical hoop of radius R . The bead moves under the combined action of gravity and a spring, with spring constant k , attached to the bottom of the hoop. Assume that the equilibrium (relaxed) length of the

    asked by Anonymous on October 20, 2013
  63. physics

    A bead of mass m slides without friction on a vertical hoop of radius R . The bead moves under the combined action of gravity and a spring, with spring constant k , attached to the bottom of the hoop. Assume that the equilibrium (relaxed) length of the

    asked by Anonymous on October 20, 2013
  64. PHYSICS

    A bead of mass m slides without friction on a vertical hoop of radius R . The bead moves under the combined action of gravity and a spring, with spring constant k , attached to the bottom of the hoop. Assume that the equilibrium (relaxed) length of the

    asked by PLS HELP ME on October 19, 2013
  65. physics(elena)

    A bead of mass m slides without friction on a vertical hoop of radius R . The bead moves under the combined action of gravity and a spring, with spring constant k , attached to the bottom of the hoop. Assume that the equilibrium (relaxed) length of the

    asked by Anonymous on October 20, 2013
  66. physics

    A bead of mass m slides without friction on a vertical hoop of radius R . The bead moves under the combined action of gravity and a spring, with spring constant k , attached to the bottom of the hoop. Assume that the equilibrium (relaxed) length of the

    asked by Anonymous on October 20, 2013
  67. Physics

    A bullet of mass m=0.060 kg hits a 5.0 kg block with an initial speed of 225 m/s. The block is connected to a spring that is attached to a wall. The friction between the block and the table is negligible. Upon impact, the bullet bounces back from the box

    asked by Rob on October 27, 2012
  68. statistics

    Among 17 metal parts produced in a machine shop, 6 are defective. If a random sample of four of these metal parts is selected, find: (a) The probability that this sample will contain at least three defectives. (Do not round the intermediate answers. Round

    asked by Kate on April 8, 2011
  69. AP Physics

    A ball is thrown horizontally from the top of a building 51 m high. The ball strikes the ground at a point 120 m from the base of the building. The acceleration of gravity is 9.8 m/s 2 Find the x component of its velocity just before it strikes the ground.

    asked by Noah on September 11, 2012
  70. Chemistry

    The standard enthalpies of formation of ions in aqueous solutions are obtained by arbitrarily assigning a value of zero to H ions;that is, delta H(f) [H+(aq)]=0 A.for this reaction: calculate delta H(f) for the Cl- ions. HCl(g) ==H2O==>H+(aq)+Cl-(aq) delta

    asked by Kristin on October 31, 2010
  71. Chemistry- college

    The standard enthalpies of formation of ions in aqueous solutions are obtained by arbitrarily assigning a value of zero to H ions;that is, delta H(f) [H+(aq)]=0 A.for this reaction: calculate delta H(f) for the Cl- ions. HCl(g) ==H2O==>H+(aq)+Cl-(aq) delta

    asked by Willy on November 1, 2010
  72. Statistics

    Suppose a box of marbles contains equal numbers of red marbles and yellow marbles but twice as many green marbles as red marbles. Draw one marble from the box and observe its color. Assign probabilities to the elements in the sample space. (Give your

    asked by Gayle on May 27, 2013
  73. Statistics

    Suppose a box of marbles contains equal numbers of red marbles and yellow marbles but twice as many green marbles as red marbles. Draw one marble from the box and observe its color. Assign probabilities to the elements in the sample space. (Give your

    asked by Gayle on May 26, 2013
  74. Economics

    As a manager of a financial planning business you have two financial planners, Phil and Francis. In an hour, Phil can produce either one financial statement or answer 8 phone calls, while Francis can either produce 4 financial statements or answer 10 phone

    asked by Quinn on February 11, 2010
  75. spring prob. help on part c

    a 2 kg frictionless block is attached to an ideal spring with force constant 300N/m. At t=0, the spring is neither stretched or compressed and the block is moving in the negative direction at 12 m/s. find (a) amplitude, (B)phase angle (c) write an equation

    asked by Anonymous on June 26, 2009
  76. Microeconomics

    A corporation began construction on a new site 2 years ago. At that time mgrs predicted the new plant would generate over $5 million in sales, however, now a more conservative estimate shows that the new plant will only generate an additional $3 million in

    asked by Jamie on January 23, 2008
  77. Calculus 12th grade (double check my work please)

    1.)Find dy/dx when y= Ln (sinh 2x) my answer >> 2coth 2x. 2.)Find dy/dx when sinh 3y=cos 2x A.-2 sin 2x B.-2 sin 2x / sinh 3y C.-2/3tan (2x/3y) D.-2sin2x / 3 cosh 3yz...>> my answer. 2).Find the derivative of y=cos(x^2) with respect to x. A.-sin (2x) B.-2x

    asked by anon on March 6, 2011
  78. Physics

    A block of mass m1 is on top of a block of mass m2. Block 2 is connected by an ideal rope passing through a pulley to a block of unknown mass m3 as shown. The pulley is massless and frictionless. There is friction between block 1 and 2 and between the

    asked by XYZ on June 22, 2013
  79. Statistics

    A 10-minute telephone call to London through AT&T cost $12 in 1976 and $14.10 in July 2015 using an occasional calling plan. In 1976, the CPI was 56.9, and in July 2015, it was 238.7. 1. In terms of July 2015 dollars, a call in 1976 costs $____. (Give your

    asked by Anonymous on April 30, 2018
  80. History

    1. Which of the following did George Washington do during his presidency? -established a cabinet of advisers** -limited himself to one term in office -offered military support in foreign wars -served ties with Great Britain 2. What precedent did George

    asked by YRN DJ on December 8, 2015
  81. Biology Check answers

    1.   Which of the following correctly describes the image below?    protein Molecule RNA Molecule amino Acid carboxylic Acid 2.   Glucose and fructose are monosaccharides that have the same chemical formula, C6H12O6. However, they do not react the

    asked by Anna on November 20, 2015
  82. Math ---HELP!!!!!

    sample of nine students is selected from among the students taking a particular exam. The nine students were asked how much time they had spent studying for the exam and the responses (in hours) were as follows: 18, 7, 10, 13, 12, 16, 5, 20, 21 Estimate

    asked by angela on May 30, 2016
  83. PHYSICS

    Runner A is initially 5.3 km west of a flagpole and is running with a constant velocity of 8.1 km/h due east. Runner B is initially 4.7 km east of the flagpole and is running with a constant velocity of 7.8 km/h due west. How far are the runners from the

    asked by tyler on August 29, 2016
  84. spanish

    Question: cual de estos pantalones te gustan mas? Los verdes o los de cuadros? Answer: Me gusta el verde mas pantalones Question: Que chaqueta te gusta mas? Esta chaqueta gris o esa chaqueta parda? Answer: Me gusta el gris mas chaqueta are these correct

    asked by sam on October 23, 2007
  85. Physics

    A 7uF capacitor is charged to a potential difference of 110V The electrical energy stoed in the capacitor is (4.2x10^-2 was the given answer) but I used C=Q/V and keep getting 7.7x10^-4 also A particle of charge Q and mass m is accelerated from rest

    asked by alex on April 10, 2011
  86. math check and help

    A certain population has a mean of 472 and a standard deviation of 40. Many samples of size 46 are randomly selected and the means calculated. (a) What value would you expect to find for the mean of all these sample means? (Give your answer correct to

    asked by Sue 72 on June 16, 2013
  87. Chemistry

    Consider the molecules ether (CH3OCH3), ethyl alcohol (CH3CH2OH), and propanol (CH3CH2CH2OH) (not isopropanol!). The boiling point of ether is -25 degrees while the boiling point of ethyl alcohol is 78 degrees. How would you explain the difference in

    asked by Samboni on December 22, 2014
  88. URGENT! Last calculus question!

    Hey! So, I was wondering if someone could answer this. I am mad studying for my exam and I still have a few questions left that I just don't have time to answer, and the assignment is due tomorrow. Thanks and here is the question: Use calculus and

    asked by Derek on July 29, 2008
  89. psychology

    Dr Smartz has been intensely engaged in a study of the twins Annete and Brad for the last two years. You would most accurately say that Dr Smartz is engaged in a,an A gender experiment B correlational study C cross-lagged method D case study I believe the

    asked by ourania on December 16, 2008
  90. Physics

    During launches, rockets often discard unneeded parts. A certain rocket starts from rest on the launch pad and accelerates upward at a steady 3.45 m/s2 . When it is 250 m above the launch pad, it discards a used fuel canister by simply disconnecting it.

    asked by Emiko on January 29, 2019
  91. physics

    A physical pendulum is constructed of a 48 cm long piece of wooden dowel with a mass of 550 grams and a radius of 0.7 cm. Attached at one end of the pipe is a hoop with a radius of 6 cm and a mass of 1.2 kg as shown. The pendulum is released from the 12:00

    asked by Jessica on January 23, 2015
  92. Math

    A contact lens has a spherical shape and pretend it is being held on a finger ready to put into an eye. (All measures are in millimetres.) Suppose we take the semi-circular cross-section through the middle of the lens. Find the equation of the lens if the

    asked by Aria on April 13, 2012
  93. Chemistry pls clearly step step for me

    2gm of mixture hydrated sodium carbonate and sodium bicarbonate was dissolved in water and made up to 250cc. 25cc of this solution was titrated using methyl orange as indicator and 22.5cc of 0.087N hcl were required for naturalization. calculate the

    asked by ken on June 21, 2014
  94. physics please respond

    A 16kg sled starts up a 28 degree incline with a speed of 2.4 m/s . The coefficient of kinetic friction is = 0.27. part a)How far up the incline does the sled travel? part b)What condition must you put on the coefficient of static friction if the sled is

    asked by leeann on May 27, 2012
  95. PHYSICS!!

    A 10.2 kg crate is pulled up a rough incline with an initial speed of 1.5 m/s. The pulling force is 123.0 N parallel to the incline, which makes an angle of 14.6◦ with the horizontal. The coecient of kinetic friction is 0.39 and the crate is pulled a

    asked by billy on October 18, 2008
  96. Math/Algebra do u know how to do slope intercept?

    The following problems are in slope,point slope, and slope intercept forms of a line. Could you check these thanks. Find the slope intercept form of a line that passes through these two points (-4,4) and (2,1) Answer: y= -1/2x-2 Find the slope intercept

    asked by Chico on March 26, 2009
  97. 192

    a pizza has a radius of 9inches. the pizza is divided into sections. one of the section has a central angle with a measure of 60 degrees wat is da area of this section of pizza? what happens to the area of the sector if u double the central angel? how much

    asked by kelvin on April 11, 2011
  98. Calculus

    The rate at which water flows into a tank, in gallons per hour, is given by a differentiable function R of time t. The table below gives the rate as measured at various times in an 8-hour time period. t---------0-----2------3-------7----8 (hours)

    asked by Henry on February 23, 2016
  99. English

    If you answer the question correctly/correct, you will receive a point card which is the same as one point. If you answer the question wrongly/wrong, you won't get a point card. After you get the point card, wirte down your name and number on the back on

    asked by rfvv on April 3, 2013
  100. business

    I hope that someone can help me answer this question because I am totaly mind blocked. My question is: I will be interviewed for an evening business report. As CEO of your computer manufacturing company, you must answer the following question. How do you

    asked by blondie on June 25, 2007

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