Questions Asked on
December 19, 2011

  1. Physics

    the speed of the train is reduce uniformly from 15m/s to 7m/s while travelling a distance of 90m. a) compute the acceleration b) how much further will the train travel before coming to rest provided the acceleration remain constant.

    asked by Andrea
  2. PHI 105 critical thinking and problem solving

    explaining the relationship between informative, explanatory and persuasive statements and critical thinking

    asked by maria
  3. Physics

    A cube of wood with a density of 0.780 g/cm3 is 10.0 cm on each side. When the cube is placed in water, what buoyant force acts on the wood? (ρw = 1.00 g/cm3) a. 5.00 N b. 6.40 N c. 7.65 N d. 7.65 x 10^3 N

    asked by George
  4. Physics

    The motion of a particle connected to a spring is described by x= 10sin(πt + π/3). At what time (in s) is the potential energy equal to the kinetic energy?

    asked by Maxium
  5. geometry

    The endpoints of are A(9, 4) and B(5, –4). The endpoints of its image after a dilation are A'(6, 3) and B'(3, –3). can you please Explain how to find the scale factor.

    asked by Cindy
  6. Physics

    a ball is released from rest and rolls down in an inclined plane, requiring 4 sec. to cover a certain distance of 100m. a) what is the acceleration? b) how many cm would it have fallen vertically in the same time?

    asked by Andrea
  7. math

    for each pair of substances, circle the substance with more thermal energy and explain why? A0 500g of water at 35 degree C VS. 500 g of water at 85 degree C B) 500 g of water at 35 degree C VS. 250 g of water at 35 degree C

    asked by faith
  8. physics

    When serving a tennis ball, the player hits it when its velocity is zero (at the highest point of a vertical toss). The racket exerts a force of 560 N on the ball for 5.00 ms, giving it a final velocity of 45.0 m/s. Using these data, find the mass of the

    asked by Amelia
  9. Physics

    a bomb is dropped from an airplane travelling horizontally with a speed of 300 mi/hr if the airplane is 10000ft. above the ground, how far from the target must it be released, neglect friction?

    asked by Andrea
  10. thermal energy

    how much heat must be absorbed by a 500 g pot of water to raise the temperature from 20 degree C to 30 degree C?

    asked by faith
  11. Trigonometry

    Statuary Hal is an elliptical room in the U.S. Capitol. Teh room is also called the Whispering Gallery because a person standing at one focus of the room can hear even a whisper spoken by a person standing at the other focus. Statuary Hall is 46 ft. wide

    asked by Lindsey
  12. physics

    A constant friction force of 15 N acts on a 70 kg skier for 20 s. What is the skier's change in velocity?

    asked by Amelia
  13. Physics

    A water bed that is 1.5 m wide and 2.5 m long weighs 1055 N. Assuming the entire lower surface of the bed is in contact with the floor, what is the pressure the bed exerts on the floor? (Round to the first decimal point and don't forget units.

    asked by George
  14. thermal energy

    A hot 0.25-kg piece of iron is placed in a calorimeter containing room temperature water. How much heat is lost by the iron as it cools from 125 degree C to 75 degree C? I must have the given/work and answer also how much heat is gained by the water

    asked by faith
  15. algebra

    Mary drove from Amity to Belleville at a speed of 50 mi/h. On the way back, she drove at 60 mi/h. The total trip took 4(2/5)h of driving time. Find the distance between there two cities

    asked by sydney
  16. physics

    A 0.145 kg baseball pitched at 35.0 m/s is hit on a horizontal line drive straight back toward the pitcher at 52.0 m/s. If the contact time between bat and ball is 1.00*10 to the -3, calculate the average force between the ball and bat during contact.

    asked by Amelia
  17. chemistry

    Assuming all volume measurements are made at the same temperature and pressure, how many liters of carbon dioxide gas can be produced when 12.8 liters of oxygen gas react with excess carbon monoxide? Show all of the work used to solve this problem.

    asked by sarena
  18. Science

    A circular hatch in the hull of a submarine has a radius of 40.0 cm. The submarine is 850.0 m under water. If atmospheric pressure above the ocean is 1.01 x 105 Pa and the air pressure inside the submarine is 1.31x 105 Pa, what net force is exerted on the

    asked by Zoe
  19. Math

    A stunt pilot is testing a new plane. The equation that models his height over time is f(x)=15x^2 -195x +950, where x is his the time in seconds and (fx) is his height in metres. Determine when the pilot is below 500 metres. I subbed in 500 for f(x)

    asked by Elli
  20. algebra

    A rectangular parcel of land is 70 ft longer than it is wide. Each diagonal between opposite corners is 130 ft. What are the dimensions of the parcel? The answer is 50 ft by 120 ft, but I don't know how to find the answer

    asked by sydney
  21. physics

    a 10m uniform beam of weight 100 N is supported by two ropes at the ends. if a 400 N person sits at 2m from the left end of the beam, what is the tension in the left rope?

    asked by Dasha
  22. English 7: Wk Sht - Perseverance

    I have to answer these 4 questions and in those question they ask me and I have to say if I agree or disagree. I just need help on like what do they mean. 1. You need a positive attitude tp persevere in difficult situations? I agree or disagree because:

    asked by Lauren
  23. algebra


    asked by james
  24. English

    9. Which of the following sentences is correctly capitalized? A. His mother is a Doctor. B. Jennifer dreamed of a wedding in Central Park. C. Emily's address is 14 Orient Lane, Baltimore, Md. D. My Father is a computer programmer. I selected (D) for the

    asked by Sis
  25. chemistry

    How many liters of hydrogen gas can be produced if 102 grams of methane gas (CH4) are combusted at 315 K and 1.2 atm? Show all of the work used to solve this problem. CH4 (g) + 2 O2 (g) CO2 (g) + 2 H2O(g)

    asked by sarena
  26. Finance

    Modos Company has deposited $2000 in checks received from customers. It has written $1400 in checks to its suppliers. The initial balance was $400. If $1600. of its own checks have cleared, calculate its float

    asked by Ann-Marie
  27. Beginner Chemistry

    How much heat energy is needed to convert 125.0g of ice from -27.0ºC to a liquid at 50.0ºC?

    asked by Cha-Ching
  28. human services

    I am confused on the meaning of assimilation and acculturation. Is assimilation the process that attitudes and behaviors from one cultral are modified as a result of contact with a different cultrual and so acculturation mean the same?

    asked by patiance
  29. Physics

    Water flows at a speed of 15 m/s through a pipe that has a radius of 0.40 m. The water then flows through a smaller pipe at a speed of 45 m/s. What is the radius of the smaller pipe?

    asked by Ben
  30. mat- foundation of mechanic

    a particle is projected from a point 0 with an initial speed of 30m/s to pass through a point which is 40m from 0 horizontally and 10m above 0. show that there are two angles of projection for which this is possible. if these angles are alpha and beta show

    asked by HELP-alya
  31. Math

    Explain how to use a hundred chart to subtract?

    asked by Udi
  32. statistics

    The following are all quiz scores of a student in a statistics course. Each quiz was graded on a 10-point scale. 10,6,7,6,5,8 Assuming that these scores constitute an entire population, find the standard deviation of the population. Round your answer to at

    asked by apple
  33. math

    how do architects use fractions, decimals, and percentages???????????

    asked by serina
  34. physics

    A string under a tension of 43 N is used to whirl a rock in a horizontal circle of radius 3.3 m at a speed of 26.46 m/s. The string is pulled in, and the speed of the rock increases. When the string is 0.635 m long and the speed of the rock is 80.5 m/s,

    asked by Melanie
  35. chemistry

    What mass, in grams, of oxygen gas (O2) is contained in a 10.5 liter tank at 27.3 degrees Celsius and 1.83 atmospheres? Show all of the work used to solve this problem.

    asked by sarena
  36. English

    11. Choose the plural noun that's spelled correctly. A. Fathers-in-law B. Editor in chiefs C. Phenomenons D. Pianoes I selected (A) for the answer, is this the correct answer?

    asked by Sis
  37. chemistry

    What property of metals makes them good conductors of electricity?

    asked by Mae
  38. Physics

    a bus moving at a speed of 20m/s begins to slow at a constant rate. Find how far it goes before stopping?

    asked by Andrea
  39. English

    2. In which of the following sentences is the symbol used correctly? D A. Rachel's rent has gone up to 765$ a month. B. Jason bought three books & two magazines. C. Marilla was hired as a paralegal at Baines, Johnson & Laird. D. According to Alan, the

    asked by Sis
  40. Physics (High School)

    A 7.24 g bullet moving at 636 m/s penetrates a tree to a depth of 4.87 cm. Use energy considerations to find the average frictional force that stops the bullet. Answer in units of N B) Assuming that the frictional force is constant how much time elapsed

    asked by Ama
  41. geometry

    totally stuck can someone help please P P'(–8, –3) for the glide reflection where the translation is (x, y) (x –2, y –5) and the line of reflection is y = –x. Find the coordinates of P.

    asked by Cindy
  42. English

    I urgently need you to check the following sentences on job satisfaction.Thank you. 1) This newspaper article is about job satisfaction. It claims that the root of job satisfaction lies in your attitude and expectations. 2) First, it is essential to

    asked by Henry2
  43. Math

    Could someone help me with these questions, I don't know question c) and d) Consider the function f(x) = (0.1x-1)(x+2)^2. a) Determine the function's average rate of change on -2

    asked by Elli
  44. physics

    A 80 kg man weighs 784 N on the Earth's surface. How far above the surface of the Earth would he have to go to "lose" 15% of his body weight?

    asked by alex
  45. algebra

    What is the measure of the length of a rectangle with a width of 3x + 4y + 1 and a perimeter of 24x + 18y + 32?

    asked by steph
  46. statistics

    the life of electric bulbs has a normal distribution with a mean of 35 months and a standard deviation of 4 months. What should the warranty period be if the company that manufactures these bulbs does not want to replace more than 2% of the bulbs?

    asked by HELPME
  47. Algebra 1

    y-9x=0 Pleasw explain the steps cleary

    asked by Storme
  48. smu

    In a bumper test, three types of autos were deliberately crashed into a barrier at 5 mph, and the resulting damage (in dollars) was estimated. Five test vehicles of each type were crashed, with the results shown below. Research question: Are the mean crash

    asked by carl
  49. physics

    You are the design engineer in charge of the crashworthiness of new automobile models. Cars are tested by smashing them into fixed, massive barriers at 50 km/h (30 mph). A new model of mass 1500 kg takes 0.11 s from the time of impact until it is brought

    asked by Amelia
  50. chemistry

    Balance the equation NH3 + O2 −→ N2 + H2O Given 4.55 mol of the reactant NH3, determine the corresponding amount of O2.

    asked by Matt
  51. physics

    When serving a tennis ball, the player hits it when its velocity is zero (at the highest point of a vertical toss). The racket exerts a force of 560 N on the ball for 5.00 ms, giving it a final velocity of 45.0 m/s. Using these data, find the mass of the

    asked by Amelia
  52. Geometry

    draw a pair of vertical angles with a measure of 40. create and label the vertical angles with algebraic expressions involving x.

    asked by vit
  53. English

    Shall I replace "you" with "people" or "we"? Thank you. 1.This newspaper article is about job satisfaction. It claims that the root of job satisfaction lies in people's attitude and expectations. 2) First, it is essential to consider the kind of approach

    asked by Henry2
  54. geometry

    totally stuck can someone help please P P'(–8, –3) for the glide reflection where the translation is (x, y) (x –2, y –5) and the line of reflection is y = –x. Find the coordinates of P.

    asked by Cindy
  55. Math

    A rectangular yard 75 feet by 135 feet has a fence with a post every five feet.How many posts are needed for the entire fence?

    asked by Marlunaray
  56. geometry

    describe the 2 transformations, the first followed by the second that combined will transform triangle ABC and triangle DEF. 23) A(-3,3), B(-3,1), C(0,1) D(6,6), E(6,2), F(0,2) 24)A(6,0), B(9,6), C(12,6) D(0,3), E(1,5), F(2,5)

    asked by Anonymous
  57. Physics

    A circular hatch in the hull of a submarine has a radius of 40.0 cm. The submarine is 850.0 m under water. If atmospheric pressure above the ocean is 1.01 x 105 Pa and the air pressure inside the submarine is 1.31x 105 Pa, what net force is exerted on the

    asked by Sally
  58. Science

    What factors affect the gauge pressure within a fluid? a. fluid density, depth, free-fall acceleration b. fluid volume, depth, free-fall acceleration c. fluid weight, depth, free-fall acceleration d. fluid mass, depth, free-fall acceleration

    asked by Alla
  59. CHEM

    3. which of the following is not likely to indicate that a double-displacement reaction has occurred neutralization of acids and bases, formation of a precipitate, formation of a gas, change of a metal ion to a metal element

    asked by Anonymous
  60. Physics

    A cardboard carton weighing 165 newtons is resting on a marble floor. If the coefficient of friction between cardboard and smooth marble is 0.20, how much force would it take to keep the box sliding along at a constant speed?

    asked by Jane
  61. Science

    A repair shop tested two methods(a & B) of replacing a broken roller. In testing method A, these times in minutes were measured (5 trials), 2,4,9,3,2. In testing methods B, these times in minutes were measured (6 trials), 3,7,5,8,4,3. Use the 0.10

    asked by Debra
  62. english

    I having problems these sentences on sentence fragments and run-on sentences, including both fused sentences and comma splices and how to revise them and explain the choices that have been made. This is the sentence: When I was in high school I never

    asked by aran
  63. algebra 3-4

    Find a1 in a geometric series for which Sn = 300, r = -3, and n = 4

    asked by melyssa
  64. English

    Could you please check these sentences? Thank you. 1) In the conventional society of Jane Austen’s day, a woman’s role was fairly clear. Her position in life was defined by her father or her husband and she was expected to be modest, submissive and

    asked by Henry2
  65. Physics -.-

    A projectile is shot horizontally at 220 m/s from the top of a 620 m high cliff. A) How long till the projectile hits the ground? B) How far from the base of the cliff does the projectile land? I am gonna be honest. I have no idea how to do any of my

    asked by Allison
  66. Math Scientific Notation

    write the scientific notation 1) for 25,000,000 i got: 2.5 x 10^7 2) 4,562,000,000 i got: 4.562 x 10^9 3) 1,250 x 10^5 im stuck on this one i think its: 1.25 x 10 ^ 8 are these right?

    asked by marko
  67. math/ calculus

    find f''(x) if f(x)= 3(ãx2-2x+1)

    asked by Angie
  68. Physics

    Saturn’s largest moon, Titan, is actually larger than the planet Mercury. It is also one of the few bodies in the solar system that has a dense atmosphere. Data from the Voyager 1 probe indicates that the atmospheric pressure on Titan’s surface is

    asked by Amy
  69. chemistry

    using VSEPR THEORY explain why 1)BF4- is a tetrahedral molecule 2)SF3+ is a Trigonal pyramidal molecule 3)ICI4- IS A SQUARE PLANER molecule 4IF5 IS A SQUARE pyramidal molecule 5)PF5 IS A TRIGNAL BIPYRAMIDAl

    asked by laura
  70. Math

    Can you please help me set up this equation? Copies at the local library cost $.15 easch. A new copier costs $200 and it costs $.02 to make a copy. How many copies would have to be made for the cost of making your own copies equal to the cost of copying at

    asked by Kate
  71. Physics

    a stone falls from a rail road overpass which is 36ft. high into the path of the train which is approaching the overpass with the uniform speed, if the stone falls when the train is 50ft. away from the overpass and the stones hits the ground just as the

    asked by Andrea
  72. UOP

    o test the hypothesis that students who finish an exam first get better grades, Professor Hardtack kept track of the order in which papers were handed in. The first 25 papers showed a mean score of 77.1 with a standard deviation of 19.6, while the last 24

    asked by jack
  73. science

    Consider this question Is a paired t-test more powerful than a a test between independent samples a. A paired t- test is more powerful because it utilizes information b. an independent sample t0-test is more powerful because independence data is not in a

    asked by Debra
  74. Algabra 2

    An airplane cruises northeast at a steady rate. Its speed can be broken down into two components:320 miles per hour due north and 40 milers per hour due north be the direction of the positive y-axis and let due east be the direction of the positive x-axis.

    asked by Raygan
  75. geometry

    totally stuck can someone help please P P'(–8, –3) for the glide reflection where the translation is (x, y) (x –2, y –5) and the line of reflection is y = –x. Find the coordinates of P

    asked by Cindy
  76. Geography

    What's one issue that affects the workplace and how it is a problem that creates discussion among people with different points of view?

    asked by Kellie
  77. English

    I don't know how to start the rephrase of Chapter 1 of Jane Austen's Pride and Prejudice. Can you please have a look at it? I didn't include all the details. Thank you. 1) Chapter one opens with what seems to be an aphorism by the author herself: it is a

    asked by Henry2
  78. Math

    Verify if question a is correct I calcuated twice now and I am getting 0 as an answer. I don't understand question b a) Examine the function f9x) =2(0.5x-1)^2(x+2)^2. Determine the function's average of change from -2

    asked by Elli
  79. math

    In rectangle ABCD, shown here, ACB measures 30° and. CD = 40 mm. What is the area of rectangle ABCD? Express your answer as a decimal to the nearest tenth

    asked by mohib
  80. Science (ASAP)

    You paint a reddish brown board yellow.Have any properties of the wood changed?Has a chemical reaction occured

    asked by Frances
  81. math

    looking at a number sequence, I am being asked what the 9th term in the sequence is. I would like to know the definition of the word "term".

    asked by michael
  82. math

    Pranav reduced the size of a rectangle to a width of 7 inches. What is the new height if it was originally 49 inches wide and 28 inches tall?

    asked by sandy
  83. Physics (my last problem)

    A 3.4 kg ogject to the right at 3.5 m/!@#$%^&s a stationary object of mass 2.7 kg. After the collision the 2.7 kg object moves to the right at 1.8 m/s. A) What is the final verlocity of the 3.4 kg object? B) What is the total kinetic energy og the objects

    asked by Allison
  84. auditing

    I have been asked "Determining whether amounts are in conformity with GAAP addresses the proper measurements of assets, liabilities, revenues, and expenses which includes all of the following except: a. the reasonableness of management's accounting

    asked by Nick
  85. math

    how do u write decimals as fractions and how do u write decimals as mixed numbers in simplest form?

    asked by Anonymous
  86. math HELP!!

    i'm not understanding mixed numbers and improper fractions. (the part where you convert one into another) WHAT DO I DO?!?!

    asked by lizzy
  87. English

    13. When preparing a formal business presentation, the phase that can make or break your report is the _______ phase. A. outline B. revision C. organization D. writing I selected (D) for the answer, is this the correct answer?

    asked by Sis
  88. English

    I just wanted to know if the abbreviations are possible. (Ex. for exercise, p. for page and pp. for pages) Thank you. Christmas holiday homework. 1)Make ten-line summaries out of the following reading comprehensions: p.111 Ex. 13-14 + Exam strategies Ex. 7

    asked by Henry2
  89. biology

    what is the length of trecha in men

    asked by zainab
  90. mat- foundation of mechanic

    an arrow which has an initial speed of 40m/s is aimed at a target which is level with it at a distance of 100m from the point of projection. find the least time of flight for the arrow to hit the target.

    asked by HELP-alya
  91. English

    Could you please help me rephrase the author's description of Mr. Bennet's personality. Thank you. This is the description given by Jane Austen. 1) "Mr. Bennet was so odd a mixture of quick parts, sarcastic humour, reserve, and caprice, that the experience

    asked by Henry2
  92. Beginner Chemistry!

    How much heat is lost by 65g of silver when it cools from 325ºC to -25ºC? (the specific heat of Ag(s) is 0.24 J/g ºC)

    asked by Cha-Ching
  93. Modeling Exponential Growth and Decay

    Information provided: Whooping Crane Population Size 1940-1996 Year # Cranes 1940 22 1950 34 1960 33 1970 56 1980 76 1990 146 1991 132 1992 136 1993 143 1994 133 1995 158 1996 159 1.) Use exponential regression to find an exponential model of the data. y=

    asked by Jake
  94. statistics

    you are asked to estimate the average weight of an adult male passenger for a study to maximize the number of seats in a certain airplane. you collect random weights of 1000 men passengers from a population of 100,000. you find that the average man in the

    asked by KK
  95. math

    how do you use fractions, decimals, and percentages in marinebiology and archeology ????? i need help!!!!!!

    asked by serina
  96. math

    plz help me understand this 1.) 6x - 3y = 6 2.) y= -2/3x +4 y= 2x + 5 2x + 3y = -6 3.) x+y=0 4.) 3x - 4y = -5 x=y+4 x = y+2

    asked by faith
  97. English

    I urgently need you to check these sentences on house swapping. It's really important! I'm posting them to you again. 1) House swapping is a very common way to go on holiday if you haven’t enough money for a room in a hotel or in a bed and breakfast. 2)

    asked by Henry2
  98. English

    I changed a few things trying to use synonyms. Can you please tell me they are possible? Thank you very, very much! 1) House swapping is a very common way to go on holiday if you can't afford a hotel room. 2) If you want to swap houses with others (better:

    asked by Henry2
  99. statistics

    Facebook reports that the average number of Facebook friends worldwide is 175.5 with a standard deviation of 90.57. If you were to take a sample of 25 students, what is the probability that the mean number Facebook friends in the sample will be 190 friends

    asked by sarah
  100. BIO

    Organisms that live in environments and are hypotonic have cell membranes that differ in permeability from those that live in isotonic environments. What water regulation adaptations might have evolved to allow these organisms to survive in different

    asked by mark
  101. Finance

    what is the solution to bunyan lumber lumber 45-year harvest based on $300,000 contribution

    asked by sharon
  102. Math

    I am not exactly sure of what I'm supposed to do in the following question: Describe and correct the error, given the functions f(x)=3x - 5 and g(x)=1/3 - 4/3. The first equation is as follows: g(-3)= 1/3 - 4/3 (3) =1/3 - 4 = -3 2/3 The second equation is:

    asked by Jessica
  103. math

    the shorter leg of a 30-60-90 triangle is 9.4 inches long. find the perimeter.

    asked by jessica
  104. earth

    Determine the gravitational force that you exert on another person 1.90 m away. Assume that you and the other person are point masses of 75.0 kg each.

    asked by Anonymous
  105. math

    A number which is divisibel by 1 to 9 is?

    asked by saikumar
  106. English

    I urgently need you to help me check these sentences on house swapping. Thank you veru much. 1) House swapping is a very common way to go on holiday if you haven’t enough money for a room in a hotel or in a bed and breakfast. 2) If you want to swap your

    asked by Henry2
  107. precalculus

    Help appreciated~ 1.Use the quadratic formula to determine when f(x)= x^2 +7x + 7 is greater than 0. Round your answer to two decimal places. a) x-1.21 b) x1 c) 1

    asked by Jayson
  108. phi103

    1. A conditional sentence with a false antecedent is always (Points : 1) true. false. Cannot be determined. not a sentence. 2. "Julie and Kurt got married and had a baby" is best symbolized as (Points : 1) M v B M & B M → B M ↔ B 3. Truth tables can

    asked by thomas
  109. business

    What are the significants of staffing function?

    asked by Rockson
  110. family law

    In a motion that requests a (an) __________, there must be no remedy at law. (Points: 5) hearing injunction order disclosure please help me with this i'm confused

    asked by Andy
  111. algerbra

    write the ratio as a fraction in simplest form in two ways for 64/24

    asked by keisha
  112. business

    You find that a small business loan in the amount of 50,000 is the amount you need to purchase the restaurant location. After researching banks to find the best interest rate, you find that banks for small businesses offer the best interest rate of 9%

    asked by Anonymous
  113. government

    In my class I had to choose a major national issue and identify the forces in a political party that help drive the party to its position on the issue. I chose education and the Democratic party. The driving forces part is where I am stumped. I figured the

    asked by m
  114. math mrs sue help

    can you help me i need to write the the scientifice notation for 1,250 x 10^5 i got: 125,000,000= = scientific natoation: 1.25 x 10^8

    asked by marko
  115. English Word

    What does resist means when you resist people who might prevent you from accomplishing your goals???????????

    asked by Lauren
  116. Ap calc

    A particle moves on the x axis so that it's position at any time t is greater than or equal to 0 is given by x(t)=2te^-t. A) find velocity for any t is greater or equal to 0

    asked by Jacob
  117. Science

    In a one sample test, a sample is compared with a standard or benchmark. In a two sample test, the samples compared a. with two alternate hypotheses b. with an historical and a future benchmark c. with each other d. with opposing samples

    asked by Debra
  118. chemistry

    does caco3 can easily pick up moisture from the surroundings?

    asked by gracie
  119. Informal logic

    what type of fallacy would this be i went to work at an all male prison was the first of three female to ever work directly with the offenders the male officer stopped me from doing strip searches shoved me and told me to stand by the wall with my back

    asked by Betty
  120. Physics

    Assume that the Starship Enterprise is moving through space at the speed of light. Calculate how much kinetic energy the ship has at this speed. The Enterprise has a mass of 1*10^6kg. Now imagine that Captain Kirk wants to bring the ship to a complete stop

    asked by Jacob
  121. Math

    John delivers newspapers he makes $5 the first week and $2 are added to his pay each week he delivers papers. Which expression could be used to find out how much he would make in a given week, w, after the first week? a) 2w+5 b) 2(w-2)+5 c) 2(w-1)+5 d)

    asked by Jackie
  122. pre-algebra

    Find the product: (4k^5)(-2k)^3 Is it -32k^8 or -32k^2 I don't know rather to add or subtract the 5 & 3.

    asked by Cass
  123. Math

    Find an equation in slope-intercept form passing through the (2,5) and (7, -3).

    asked by Amy
  124. university phoenix

    In Dallas, some fire trucks were painted yellow (instead of red) to heighten their visibility. During a test period, the fleet of red fire trucks made 153,348 runs and had 20 accidents, while the fleet of yellow fire trucks made 135,035 runs and had 4

    asked by sue
  125. university of phoenix

    Does lovastatin (a cholesterol-lowering drug) reduce the risk of heart attack? In a Texas study, researchers gave lovastatin to 2,325 people and an inactive substitute to 2,081 people (average age 58). After 5 years, 57 of the lovastatin group had suffered

    asked by sue

    Compare Einstein and Newton's pictures of gravity.

    asked by Kate
  127. math

    a 3ft tall boy casts a 4ft shawdow at the same time a tree casts a 72 foot shawdow using the pythagorean therem find the distance from the top of the tree to the tip of the shawdow

    asked by carly
  128. English

    I left out the following sentences. Could you please check them? Thank you. 1.In the foreground I can see a group of young boys taking part in the Ten Tors Challenge. They are all wearing a backpack and a sleeping bag on their back and a yellow T-shirt

    asked by Henry2
  129. english

    What do you know about the fact? I have to write a research paper about Genocide. It must have a body and conclusion

    asked by Erin
  130. Organziation

    I'm starting my own organzation to recyle. Like I'm going to make boxes and boex saying please recyle then it will be my job to bring it to the recyleing area to just recyle it. Is there any more ideas?????

    asked by Lauren
  131. English 7

    Is there any career, high school (like what to do, classes, activites, etc.), and college surveys. I have to print a couple for english.

    asked by Lauren
  132. history

    The world can be divided into West (Occident) and East (Orient). Describe the origins of this division? Help? I don't know when this happened or how long it took or what happened?

    asked by Anonymous
  133. math

    A number which is divisibel by 1 to 9 is?

    asked by saikumar
  134. trig

    cot^5 x = cot x/sec^4 x - 2 sec^2 x +1

    asked by tiara
  135. English

    I left out the following sentences. Thank you. 1) Other minor adjustments can be made to improve your situation at work. 2) First, you should communicate your point with clarity and respect. Second, you should do your best to maintain a balanced lifestyle

    asked by Henry2
  136. English

    I tried to check the you forms. Thank you for your corrections. Other minor adjustments can be made to improve people's situation at work. 2) First, a person should communicate his point of view with clarity. 3)Second, he should do his best to maintain a

    asked by Henry2
  137. Math

    Gary and Linda are at the movies. Gary has $9 to spend on snacks and Linda has $10 to spend on snacks. Gary buys nachos. Linda does not buy any snacks at the movies. If linda has $4.55 more than gary after he buys nachos, how much did gary pay for the

    asked by Tionne
  138. Geography (Birth Rate)

    The birth rate of Canada is 10.28/1000 ...If i want to express it diferently, can I move the decimal place to the left once and say it has a birth rate of 1.03? Thanks

    asked by Dawn
  139. Math--Please Help!!

    Auto parts dept. sends out a mean of 6.3 special orders daily. What is the probability that, for any day, the number of special orders sent out will be at least 4?

    asked by Tanya
  140. SMU

    A sample of 25 concession stand purchases at the October 22 matinee of Bride of Chucky showed a mean purchase of $5.29 with a standard deviation of $3.02. For the October 26 evening showing of the same movie, for a sample of 25 purchases the mean was $5.12

    asked by carl
  141. math


    asked by danny
  142. math

    this was a bonus problem i got wrong: {-3(5-8)^3-12^2 / 4]^2 = i didn't figure it out

    asked by marko
  143. Math

    solve for each - hint remember to replace the variable in () 1) -3^2 2) 3m^2 + 5 if m= -3 3) (-3)^2 + 5 2) -n^2 + 3n if n = -3

    asked by marko
  144. science

    find the 92gms of sodium in volume in lt.

    asked by kunal
  145. History

    How have ideas about gender shaped ideas of the past?

    asked by Anonymous
  146. math/calculus

    given h(x)= cotx/x find h'(ð /2)

    asked by Angie
  147. English-Please check

    I have a question- I finished reading The Sound and the Fury and I have 50 questions to answer; I'm not sure about two of them; Why was Benji's name changed from maury early in life- The choices were: The mother disapproves of her brother Maury so she

    asked by Bethany
  148. solar thermal

    how many btu's in 350 gal of water at both 80 &240 degrees

    asked by steve
  149. pre calc

    phase shift of: y=-5sin(3x+3.14/5)+2

    asked by valeria hersh