Allan

Most popular questions and responses by Allan
  1. language arts

    what is an example of assonance from the "Tell-Tale Heart" by Edgar Allan Poe with page numbers

    asked on April 28, 2015
  2. Electr. and Magnetism

    1) A charge of 80nC is uniformly distributed along the x-axis from x= 0 to x= 2.0m. Determine the magnitude of the electric field at a point on the x-axis with x=8.0m. a] 30 N/C b] 15 N/C c] 48 N/C d] 90 N/C e] 60 N/C 2) 3 point charges, 2 positive and one

    asked on January 31, 2011
  3. english

    Identify the sentence that is correctly written in the simple present tense. a. Arlene teaches English at Plantation High School. b. Arlene is teaching a class right now. c. Arlene has been teaching English at Plantation High School for the past ten years.

    asked on August 1, 2018
  4. kamlavathi

    I want to know about Phyllis Webb's poem - marvells garden

    asked on October 21, 2015
  5. physics

    A mechanic pushes a 2520 kg car from rest to a speed of v , doing 4310 J of work in the process. During this time, the car moves 22.4 m. Find the speed v . Neglect friction between car and road. Answer in units of m/s.

    asked on January 14, 2015
  6. math

    caleb and winona both travel by car to their friend's home. The distance winona traveled was 124 miles less than twice the distance caleb traveled. If winona traveled 628 miles, how far did caled travel?

    asked on April 30, 2012
  7. Chemistry

    What must be the molarity of an aqueous solution of trimethylamine, (CH3)3 N, if it has a PH=11.20?

    asked on October 2, 2011
  8. english

    . Identify the sentence that is correctly punctuated. a. Ms. Blake asked me whether I would attend the conference? b. Ms. Blake, asked me whether I would attend the conference. c. Ms. Blake asked me whether I would attend the conference. d. Ms. Blake,

    asked on August 2, 2018
  9. english

    Identify the correct sentence. a. Have you read William Blake’s poem “London” from Songs of Innocence and Experience? b. Have you read William Blake’s poem “london” from Songs of Innocence and Experience? c. Have you read William Blake’s poem

    asked on August 3, 2018
  10. math

    vijay has 1/20 of a dollar in his pocket. what coins might he have?

    asked on January 18, 2011
  11. physics help PLZ!!

    What is the direction of the net external force on the crate (as an angle between −180◦ and 180◦ , measured from the positive x axis with counterclockwise positive)? Answer in units of ◦ Ive solved for the net external force in the x and y

    asked on December 4, 2014
  12. english

    . The ________ will meet tomorrow to discuss some upcoming projects. a. editor-in-chiefs b. editor in chiefs c. editors in chief d. editors-in-chief is the correct answer A

    asked on August 14, 2018
  13. physics

    Four resistors are connected to a battery with a terminal voltage of 18.0 V. The resistors are, R1=61, R2=34, R3=90, and R4=11. R1 & R2 are in series, and combined are in parallel with R3, & the combination of R1, R2, & R3 are in series with R4. Find the

    asked on April 26, 2015
  14. english

    Identify the sentence that is punctuated correctly. a. Give me a call tomorrow, Veronica, when you get home, so we can discuss the details of the upcoming event. b. Give me a call tomorrow, Veronica, when you get home so we can discuss the details of the

    asked on August 2, 2018
  15. english

    . The ________ will meet tomorrow to discuss some upcoming projects. a. editor-in-chiefs b. editor in chiefs c. editors in chief d. editors-in-chief is the correct answer D

    asked on August 14, 2018
  16. Maths

    Two variables P and L are such that P varies partly as L and partly as the square root of L.Determine the relationship between P and L given that when L=16,P=500 and when L=25,P=800.

    asked on August 24, 2017
  17. Chemistry

    Why must a hole be made in the aluminium lid

    asked on March 24, 2019
  18. physics

    A quarterback throws the football to a stationary receiver who is 22.7m down the field. the football is thrown at an initial angle of 39 degrees to the ground. The acceleration of gravity is 9.81m/s^2. a) at what initial speed must the quarterback throw

    asked on November 6, 2014
  19. english

    . The yellow house down the street from me is for sale. a. preposition b. conjunction c. adjective d. adverb Is it A

    asked on August 14, 2018
  20. chemistry

    The compound PtCl2(NH3)2 is effective as a treatment for some cancers. It is synthesized by the reaction shown in the equation K2PtCl4(aq) + 2 NH3(aq) → 2 KCl(aq) + PtCl2(NH3)2(aq). How much K2PtCl4 must react in order to produce 64.1 g of PtCl2(NH3)2?

    asked on January 21, 2019
  21. physics

    A crate is pulled up a rough incline. The pulling force is parallel to the incline. The crate is pulled a distance of 6 . 92 m. The acceleration of gravity is 9 . 8 m / s 2. What is the magnitude of the work is done by the gravitational force? Answer in

    asked on January 14, 2015
  22. english

    Identify the subject and complete verb in each of the following sentences. Please go to the store and buy some milk for the baby. a. you; go/store b. you; go/buy c. store; go/buy d. milk; go/buy Is it D

    asked on August 14, 2018
  23. physics

    For the ballistic missile aimed to achieve the maximum range of 15500 km, what is the maximum altitude reached in the trajectory? Answer in units of km

    asked on November 6, 2014
  24. psychology

    . In China (as compared to the U.S.), students are more likely to attribute school success to: a. control b. fate c. luck d. self-efficacy Is it A

    asked on August 4, 2018
  25. physics

    Wayne exerts a force of 70 . 9 N to pull a 409 N sled along a snowy path using a rope that makes a 48 ◦ angle with the ground. The sled moves 19 . 9 m in 4 . 3 s. What is Wayne’s power? Answer in units of W.

    asked on January 17, 2015
  26. physics

    Wayne exerts a force of 70.9 N to pull a 409 N sled along a snowy path using a rope that makes a 48◦ angle with the ground. The sled moves 19.9 m in 4.3 s. What is Wayne’s power? Answer in units of W. PLEASE HELP!

    asked on January 17, 2015
  27. 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 on October 18, 2013
  28. Science

    Are uniform metre rule of mass 120 grams is 60cm Mark at what point on the metre rule should a mass of 50 grams be suspended for it to balance horizontally

    asked on April 30, 2019
  29. physics

    A 18.4 kg block is dragged over a rough, horizontal surface by a constant force of 126 N acting at an angle of 34.1 ◦ above the horizontal. The block is displaced 20 m, and the coefficient of kinetic friction is 0.123. The acceleration of gravity is 9.8

    asked on January 6, 2015
  30. english

    . Identify the correct sentence. a. I am taking 3 classes in the Fall at University of Florida. b. I am taking three classes in the fall at Univ. of Florida. c. I am taking three classes in the fall at University of Florida. d. I am taking 3 class in the

    asked on August 3, 2018
  31. physics

    In the 1950’s, an experimental train that had a mass of 36700 kg was powered across a level track by a jet engine that produced a thrust of 4.67×10^5 N for a distance of 528 m. Find the work done on the train. Answer in units of J.

    asked on January 14, 2015
  32. physics

    Two lifeguards pull on ropes attached to a raft. If they pull in the same direction, the raft experiences a net external force of 376 N to the right. If they pull in opposite directions, the raft experiences a net external force of 162 N to the left. Draw

    asked on December 4, 2014
  33. Physics

    Sound from a 55dB horn is measured at a distance. What is the intensity of the sound in W/m2?

    asked on February 3, 2016
  34. physics

    A crate is pulled to the right with a force of 93.5 N, to the left with a force of 116.8 N, upward with a force of 658.1 N, and downward with a force of 248.6 N. What is the net external force in the x direction? Answer in units of N

    asked on December 4, 2014
  35. physics

    A pelican flying along a horizontal path drops a fish from a height of 3.3 m. The fish travels 7.6 m horizontally before it hits the water below. What was the pelican’s initial speed? The acceleration of gravity is 9.81 m/s 2 . Answer in units of m/s

    asked on November 6, 2014
  36. physics

    A tugboat pulls a ship with a constant net horizontal force of 5.72 × 103 N and causes the ship to move through a harbor. How much work does the tugboat do on the ship if each moves a distance of 3.11 km ? Answer in units of J.

    asked on January 6, 2015
  37. physics

    A submarine dives 196.0 m at an angle of 18.0 ◦ below the horizontal. What is the horizontal component of the submarine’s displacement? Use the coordi- nate system where positive x is to the right and positive y is up. Answer in units of m.

    asked on January 19, 2015
  38. Algebra

    A fireman leans a 40-ft long ladder up against a building. The base of the ladder creates an angle of elevation of 32 degrees with the ground. How far is the base of the ladder from the base of the building? Round to the nearest whole foot, if necessary.

    asked on May 19, 2013
  39. Proofs Geometry

    What is the statement and the reason for Given: and mEGF∠=60 mAGF∠=°90; Prove: mAGB∠=°30. Thank you!

    asked on November 13, 2011
  40. college

    The diameter of a wire should be 8 cm. It follows a normal distribution and has a standard deviation of 0.01 cm. A person tests each delivery by taking 5 samples, accepting the goods only if the mean is at most 8.01 a) Find the probability of type 1 error?

    asked on March 14, 2010
  41. economics

    The Midnight Hours, a local nightclub earned 100,000 in accounting profits last year, this year the owner, who had invested 1,000,000 in the club, decide to close the club. What can you say about the economic profit (and the rate of return) in the

    asked on December 7, 2009
  42. Math Linear Algebra

    Find the inverses of the matrices. Let A = 1 2 5 12 b1 = -1 3 b2 = 1 -5 b3 = 2 6 b4 = 3 5 Find A^-1, and use it to solve the four equations. Ax = b1, Ax = b2, Ax = b3, Ax = b4

    asked on October 5, 2011
  43. science

    what does monitoring information indicate about trends in amount of atmosphere carbon dioxide?

    asked on February 26, 2010
  44. math

    One number is 5 more than another number. Four times the larger number plus 3 times the smaller is 97. find the numbers. Show your work.

    asked on January 20, 2010
  45. english

    ________ from your office left ________ keys at the reception desk. a. Some one, their b. Some one, his or her c. Someone, their d. Some one, his e. Someone, his or her I think e is correct

    asked on August 1, 2018
  46. physics

    A 18 kg block is dragged over a rough, hor- izontal surface by a constant force of 131 N acting at an angle of 27 ◦ above the horizon- tal. The block is displaced 15 . 7 m, and the coefficient of kinetic friction is 0 . 125. The acceleration of gravity

    asked on January 19, 2015
  47. physics

    Two 4.6 g bullets are fired with speeds of 36.9 m/s and 74.8 m/s, respectively. a) What is the kinetic energy of the first bullet? Answer in units of J. b) What is the kinetic energy of the second bullet? Answer in units of J. I got part A), which is

    asked on January 7, 2015
  48. Chemistry

    In the chlor-alkali process, the mass of NaCl(s) required to produce 0.793 kg of chlorine gas is _____ kg.

    asked on January 28, 2013
  49. physics

    Consider two vectors ~ A and ~ B and their re- sultant ~ A + ~ B . The magnitudes of the vectors ~ A and ~ B are, respectively, 13 . 2 and 6 . 1 and they act at 110 ◦ to each other.Find the magnitude of the resultant vector ~ A + ~ B .

    asked on January 19, 2015
  50. physics

    The student’s body is 22% percent efficient; that is, for every 22 J that are converted to mechanical energy, 100 J of chemical energy are expended, with 78 J going into thermal energy. How much chemical energy is expended by the student during the

    asked on January 12, 2015
  51. physics

    An artillery shell is fired at an angle of 86◦ above the horizontal ground with an initial speed of 1630 m/s. The acceleration of gravity is 9.8 m/s 2 . Find the total time of flight of the shell, neglecting air resistance. Answer in units of min

    asked on November 6, 2014
  52. Chemistry

    Can anyone name the following alcohol H3C-CH2-CH2-CH2-OH

    asked on June 2, 2014
  53. Chemistry

    An equilibrium that would favour the products is A. NH4+(aq) + H2PO4-(aq)= NH3(aq) + H3PO4(aq) B. HCN(aq) + HS-(aq)= CN-(aq) + H2S(aq) C. HCO3-(aq) +,HBO3 2-(aq)= H2BO3-(aq) + CO3 2-(aq) D. HSO4-(aq) + HSO3-(aq)= H2SO3(aq) + SO4 2- (aq) The answer is C.

    asked on January 29, 2013
  54. physics

    A wire of radius one meter is centered on the origin in the xy plane. This wire carries a total charge of +Q. Another wire of length two meters runs along the z-axis and is centered at the origin. It carries total charge -Q. What is the electric field

    asked on April 20, 2012
  55. calculus

    a particle moves along the x-axis in such a way that its acceleration at any time t is given by a(t)= 6t - 18. At time t = 0, the velocity v(t) = 24. and at time t = 1, the position x(t) = 20 i have to find the expression for the velocity and what values t

    asked on December 9, 2010
  56. science

    what does monitoring information indicate about trends in amount of atmospheric carbon dioxide?

    asked on February 28, 2010
  57. Algebra

    What is the absolute value of (-x - 6)?

    asked on June 15, 2009
  58. physics

    A truck travels 1710 m uphill along a road that makes a constant angle of 5 . 08 ◦ with the horizontal. Find the magnitude of the truck’s horizontal component of displacement. Answer in units of m.

    asked on January 19, 2015
  59. Pre-Calc

    Two lookout towers on Mount Abraham and Snow Mountain are 29 miles apart. A fire warden in each tower sees a forest fire. From Mount Abraham the angle formed with the line of sight to the fire and the line of sight to the other tower is 44 degrees. From

    asked on December 11, 2012
  60. science

    asprin (C9 H8 O4) is produced by the rection between salicylic acid (C7 H6 O3) and acetic anhydride(C4 H6 O3). Calculate the maximum mass of aspirin that can be obtained if you mix 50g of each of the reactants. The chem.equation for the reaction is as f.f

    asked on May 9, 2011
  61. english

    where is the adjectives and the adverbs in the following paragraphe at the time lorraine hansberry was the yongest american playwriter ,the first woman ,and the first african american to receive the honor . her much celebrated play was A Raisin in the Sun.

    asked on October 31, 2010
  62. economics

    Investors have set the following expectations for profitability and earnings: ROI first year must be at least 17% Turnover in the first year is budgeted at DKK 3,400,000, oo excl. VAT and the total investment Amounts to DKK 4.000.000, oo excl. VAT. 1.1 How

    asked on December 6, 2009
  63. physics

    a window air conditioner is estimated to have a cost of operation of $50 per 30 days. this is based on the assumption that the air conditioner will run half of the time and that electricity costs $.090 per kWh. determine how much current the air

    asked on March 30, 2015
  64. Chemistry

    An equilibrium that would favour the products is A. NH4+(aq) + H2PO4-(aq)= NH3(aq) + H3PO4(aq) B. HCN(aq) + HS-(aq)= CN-(aq) + H2S(aq) C. HCO3-(aq) +,HBO3 2-(aq)= H2BO3-(aq) + CO3 2-(aq) D. HSO4-(aq) + HSO3-(aq)= H2SO3(aq) + SO4 2- (aq) The answer is C.

    asked on January 29, 2013
  65. capacitors

    how would you carry out a suitable test to determine the relationship between voltage and current when charging and discharging a capacitor

    asked on December 2, 2012
  66. physics

    A source of instantaneous potential V = 10sin(50pi t) is connected across a capacitor of capacitence 1 times 10power negative 6 F. calculate the maximum value of the current and phase difference between the current and the potential difference?

    asked on April 18, 2012
  67. Chemistry

    Hi Everyone, Please Give me two examples of organic compound that have two different functional side groups groups. Please list the functional side groups for each organic compound.

    asked on November 10, 2011
  68. Linear Algebra

    Find the inverse of the matrices if they exist. Use the algorithm introduced in this section. 1 2 -1 -4 -7 3 -2 -6 4

    asked on October 5, 2011
  69. chemistry

    The freezing point of a solution is A. higher than the freezing point of the solvent alone because higher temperature is required to accelerate solvent molecular motion enough to overcome obstruction by solute particles. B. lower than the freezing point of

    asked on April 2, 2008
  70. Math

    Im having trouble on an Eureka Math question.It says: "Descibe the steps you woukd take to determine the distance in miles between two towns that are 200 kilometers apart?" So the unit rate is 6 1/4 miles per kilometer.

    asked on October 25, 2016
  71. Mathematics

    A 25kg bags of sugar is to be repack into a smaller bags of 250g of weight.How many such bags are needed?

    asked on August 27, 2015
  72. physics

    A block at rest. The coefficients of static and kinetic friction are .75(Static) and .64(Kinetic). The acceleration of gravity is 9.8m/s^2 and the mass is 46kg. I've solved for the frictional force which is, 252.0841609N. Though what is the largest angle

    asked on December 14, 2014
  73. Science

    In the chlor-alkali process, the mass of NaCl(s) required to produce 0.793 kg of chlorine gas is _____ kg.

    asked on January 28, 2013
  74. IT

    Can anyone tell me which WIMAX system you would use for last mile broadband ? with a link to a town the miles away ??? Mobile or fixed ??? Thnks

    asked on June 28, 2011
  75. french

    microwave in french

    asked on June 14, 2010
  76. math

    The sum of 2 numbers is 26. Four times the first number plus twice the second is 70. What are the numbers?

    asked on January 26, 2010
  77. math

    an aircraft flew at 400km/h to its destination and returned at 500km/h. If the total trip took 9h, how far did it fly? The answer is 2000km but how

    asked on January 26, 2010
  78. algebra

    3square root of 9 - square root of 4

    asked on January 26, 2010
  79. algebra

    3ã9-4

    asked on January 26, 2010
  80. math

    the sum of two numbers is 51. Twice the first plus 4 times the second is 128. What are the numbers? Show your work.

    asked on January 19, 2010
  81. algebra

    how many times greater is 2.6 x 10^7 than 1.3 x 10^5

    asked on October 15, 2009
  82. algebra

    solve for b when a=55 a=radical sign on 25b

    asked on October 11, 2009
  83. algebra

    (-s^2t)^5(t^3)

    asked on October 11, 2009
  84. algebra

    how to simplify this question (-m^2n^3)^3

    asked on October 11, 2009
  1. Scatter plots

    4

    posted on February 14, 2019
  2. english

    Identify the part of speech or the form of a part of speech in the underlined portion of each sentence. (10-14). The word Down in underlined. The yellow house down the street from me is for sale. a. preposition b. conjunction c. adjective d. adverb Is it A

    posted on August 14, 2018
  3. english

    Then it is B

    posted on August 14, 2018
  4. english

    Thank you!

    posted on August 1, 2018
  5. english

    Thanks

    posted on August 1, 2018
  6. computer

    an algorithm in pseudo-code that accept 10 students marks and output average mark

    posted on February 1, 2018
  7. Chemistry

    I dont know

    posted on March 8, 2017
  8. math

    3260

    posted on October 8, 2016
  9. Double facts - 2nd Grade

    3 plus 2 equal 5

    posted on November 18, 2015
  10. math

    Levine's pay 2,100a year in property taxes on their home. If they make monthly payments,how much do they have to pay each month

    posted on April 14, 2015
  11. physics

    B=μ0I/2πr B1 = (4π×10^7)(8.0A)/(2π×0.030m) B2 = (4π×10^7)(-8.0A)/(2π×0.150m) BA = B1 + B2 B1 = (4π×10^7)(8.0A)/(2π×0.060m) B2 = (4π×10^7)(-8.0A)/(2π×-0.060m) BB = B1 + B2

    posted on March 23, 2014
  12. CHEM 102 (University Chemistry)

    Find the inverse of the matrices, if they exist. Use the algorithm introduced in this section. 1 2 -1 -4 -7 3 -2 -6 4

    posted on October 5, 2011
  13. 10th Grade Chemistry

    SiH4

    posted on April 15, 2011
  14. math

    thnk so mch

    posted on January 26, 2010
  15. 1st grade

    36

    posted on January 19, 2010
  16. math

    2/6

    posted on January 19, 2010