1. chemisrty

    please could you tell me how i would draw an hydrogen atom which has only one electron and describe why it has so many spectral lines, I have studied my text books but cant seem to figure it out, many thanks in advance

    asked by bex on March 2, 2007
  2. statistics

    To find out what people think, the Gallup Poll selected a random sample of 520 women and 506 men. The pollsters showed them a list of personal attributes and asked them to indicate whether each attribute was “generally more true of men or of women”.

    asked by Devin on June 27, 2014
  3. physics

    1.In a cathode ray tube, electrons are accelerated from rest by a constant electric force of magnitude 6.56 x 10*-17 N during the first 1.87 cm of tube's length; then they move at essentially constant velocity another 45.0 cm before hitting the screen.

    asked by Sandhya on September 24, 2008
  4. GRADE 12 APPLIED MATH

    The Problem: Zared plays basketball on his high school team. One of the things he needs to practice is his free throws. On his first shot, there is a probability of 0.6 that he will make the basket. If he makes a basket, his confidence grows and the

    asked by V on January 27, 2018
  5. Physics (mechanics)

    A u-control airplane of mass m is attached by control wires of length L and negligible mass to the "pilot" who controls the lift provided by the wing FL. The wires control the plane's elevator or angle of attack. The plane's engine keeps it moving at

    asked by JK on July 9, 2013
  6. physics

    The siren on an ambulance is emitting a sound whose frequency is 2421 Hz. The speed of sound is 343 m/s. (a) If the ambulance is stationary and you (the "observer") are sitting in a parked car, what are the wavelength and the frequency of the sound you

    asked by carter montgomery on January 29, 2013
  7. Math

    Anne now has a balance of $900 on her credit card, on which 1.5% interest per month is charged. Assume that she makes no further purchases or payments (and that the credit card company doesn't turn her account over to a bill collector). (a) Find the rule

    asked by Anonymous on November 6, 2010
  8. chemistry

    Chromium (III) iodate has a Ksp at 25°C of 5.0 x 10–6. 125 mL of a solution contains 0.0050 mol L–1 Cr (III) ion. What is the molar solubility of chromium (III) iodate at 25°C? a. 8.4 x 10–2 mol L–1 b. 2.2 x 10–3 mol L–1 c. 6.3 x 10–2 mol

    asked by jess on May 27, 2016
  9. algebra

    maria and tim sold candy bars for a fundraiser.maria sold 7 less than twice the number of candy bars that tim sold.in total maria and tim sold 137 candy bars.find the amount of candy bars sold by each

    asked by traina on September 23, 2015
  10. physics

    A 1200.0kg car is moving east at 30.0 m/s and collides with a 3600.0 kg truck moving at 20 m/s in a direction 60 degrees north of east.The vehicles interlock and move off together.Find their common velocity. Use the law of conservation of momentum. The

    asked by fluffy on September 23, 2006
  11. Geometry

    I need help on these two. Consider tirangles ABC and DEF. Side A is congruent to side F. Angle A is congruent to angle F. Angle B is congruent to angle E. What postulate or theorem can be used to prove that the two triangles are congruent? If angle1 and

    asked by Amy on August 21, 2006
  12. percentage

    35%of the number of books Vick owns are fiction books.if Vick has 70 fiction books,find: A) the total numbe of books he owns. B) the number of non-fiction books he owns

    asked by Kimi on February 20, 2012
  13. physics

    Velocity and displacement with uniform acceleration: 1. A car with an initial speed of 23.7 km/h accelerates at a uniform rate of 0.92 m/s^2 for 3.6 s. Find the final speed and the displacement of the car during this time. The final speed is 36 km/h. is

    asked by anonymous on September 25, 2006
  14. Math

    Janice and Patricia each want to buy a new DVD player. They go to the Hot Electronics and find a DVD player for $75. Hot Electronics offers a different payment plan. Janice is going to pay $15 now, and then $7.50 per month. Patricia is going to pay $12.50

    asked by Jerald on November 11, 2013
  15. Math

    a business firm has made an analysis of its production facilities and its production facilities and its personnel. with the present equipment and number of workers, the firm can produce 3, 000 units per day. it was estimated that without any change in

    asked by Jai on September 25, 2018
  16. Physics Help please

    The free-fall acceleration on Mars is 3.7 m/s2. (a) What length pendulum has a period of 4 s on the earth? cm What length pendulum would have a 4 s period on Mars? cm (b) A mass is suspended from a spring with force constant 10 N/m. Find the mass suspended

    asked by Anonymous on December 6, 2010
  17. physics

    A crate slides down an incline right angled trough. The coefficient of kinetic friction between the crate and the trought is mew_k(not sure if i spelt it right). What is the acceleration of the crate in terms of mew_k theda and g? I think I need to use

    asked by Brian on November 28, 2006
  18. math

    hi, one question i have is for the following problem:"Two families meet at a park for a picnic. At the end of the day, they part ways. Family A leaves 15 mins after family B and travels east at an average speed of 42mph; while, family b travels west at an

    asked by George on September 10, 2017
  19. Trigonometic

    Solving Trigonometic Equations solve for x : 1)sinx = (4/5) 2) cosx = (-12/13) I will do the second one. first of all since the cosine is negative the angle must be in either the second or third quadrants. To find the "angle in standard position" take

    asked by abdo on April 23, 2007
  20. statistics

    Do you want to own your own candy store? Wow! With some interest in running your own business and a decent credit rating, you can probably get a bank loan on startup costs for franchises such as Candy Express, The Fudge Company, Karmel Corn, and Rocky

    asked by Anonymous on December 2, 2012
  21. math

    Hello! I came across the following two problems that appear easy but I was not able to construct the needed equations. (1) The profit (in thousand of dollars) on x thousand units of a specialty item is p = 0.6x - 14.5. The cost c of manufactoring x

    asked by guitarman on March 29, 2010
  22. math/algebra

    I need help in solving this word problem using linear system equation...I.m not sure how to start,,, A hotel rents a double occupanch room for $20 more than a single occupancy room. One night, the hotel took in $3115 after renting 15 double occupancy rooms

    asked by JAY10 on March 12, 2009
  23. Geometry

    The measure of an angle's supplement is 76 less than the measure of the angle. Find the measure of the angle and its supplement.

    asked by Michaela on August 22, 2011
  24. Math

    The measure of an angle's supplement is 44 less than the measure of the angle. Find the measure of the angle and it's supplement.

    asked by Nicole on September 4, 2012
  25. math 4th Grade

    a dictionary and a calculator cost $80. If the calculator cost $20 more than the dictionary, find the cost of the dictionary.

    asked by marsha on January 29, 2013
  26. geometry

    The measure of an angle's supplement is 76 less than the measure of the angle. Find the measure of the angle and its supplement.

    asked by Kharybdis on August 23, 2011
  27. geometry again again

    The measure of an angle's supplement is 44 less than the measure of the angle. Find the measure of the angle and its supplement.

    asked by Monique N. on September 27, 2009
  28. algebra

    find the y-intercept and the slope x + 2y -3 =0 You first have to get this into slope-intercept form: 2y=-x+3 y=-0.5x+1.5 This form is y=mx+b, where m is the slope and b is the y-intercept.

    asked by dee on January 23, 2007
  29. geometry

    The measure of an angle's supplement is 44 less than the measure of the angle. Find the measure of the angle and its supplement.

    asked by trey on August 27, 2009
  30. Physics

    In 2286, Admiral Kirk and his crew were forced to use the slingshot effect in a stolen Klingon Bird-of-Prey to travel back in time to the late 20th century to retrieve two humpback whales. The stolen Klingon Bird-of-Prey traveled towards the sun at a

    asked by Carolyn on March 19, 2015
  31. Physics

    In 2286, Admiral Kirk and his crew were forced to use the slingshot effect in a stolen Klingon Bird-of-Prey to travel back in time to the late 20th century to retrieve two humpback whales. The stolen Klingon Bird-of-Prey traveled towards the sun at a

    asked by carolyn on March 23, 2015
  32. physics

    The range of human hearing is roughly from twenty hertz to twenty kilohertz. Based on these limits and a value of 350 m/s for the speed of sound, what are the lengths of the longest and shortest pipes (open at both ends and producing sound at their

    asked by Cavin on April 28, 2007
  33. Chemistry

    When solid magnesium nitride reacts with water the reaction produces solid magnesium hydroxide and ammonia gas. If 22.9 grams of magnesium nitride are added to 31.0 grams of water, how many liters of ammonia should be produced (assuming standard

    asked by Jay on September 14, 2017
  34. spanish

    Your family wants your help to do an inventory of the many appliances that have accumulated over the years. Include the following years. include the information: -the various appliances that you find in your house (at least 5) -where each one is located

    asked by y912f on May 9, 2009
  35. science/literature

    Hi. I have to pick a book by Edward Abbey to read. Then I have to write a paper that covers: -what Ed was trying to accomplish with this piece -whether or not he accomplished his goal -what you think about his goals (good, bad????) I was wondering if

    asked by Lillian on July 1, 2007
  36. English 9

    Find adv. and word it modifies He courageously continued not only to compose but also to conduct performances. courageously(adv)modifies continued not (adv) modifies Only? only(adv) modifies continued? also (adv) modifies conduct?

    asked by Sweet Pea on September 13, 2014
  37. Anatomy & Physiology

    Someone please check my answer and tell me if they are right or wrong. 1. What are the constituents of DNA? A. Sugars and lipids B. Proteins and sugars C. Sugars, phosphates, and nitrogenous bases D. Lipids, nitrogenous bases, and proteins 2. What is the

    asked by Diana K on January 23, 2014
  38. math

    The probability that a team will carry the puck over the opposing team's blue line is 0.6, the probability that they get a shot on the net is 0.3, the probability that they get a shot away and score is 0.01 and the probability that they cross the blue line

    asked by Jessica on May 10, 2012
  39. Math

    The number of diagonals D I a polygon of n sides is given in the formula D=n(n-3)/2. Use the formula to find: A. The number of diagonals in a polygon with 9 sides. B. The number of sides of a polygon with 90 diafonals.

    asked by Raven on November 23, 2016
  40. maths

    the length of rectangle is x cm .the width of the rectangle is 4cm less than the length. A. write an expression in terms of x for the width of the rectangle B. write the expression for the perimeter of the rectangle in terms of x C. the perimeter of the

    asked by batool on August 29, 2016
  41. Grade 5 Maths

    A coin box contained some twenty-cent and fifty-cent coins in the ratio 4:3. After 20 twenty-cent coins were taken out to exchange for fifty-cents coins of the same value and put back in the box, the ratio of the number of twenty-cent coins to the number

    asked by LARA on January 19, 2014
  42. Math

    If exactly 198 people sign up for a charter flight, Leisure World Travel Agency charges $308/person. However, if more than 198 people sign up for the flight (assume this is the case), then each fare is reduced by $1 for each additional person. Hint: Let x

    asked by Renee on November 14, 2012
  43. math

    If exactly 198 people sign up for a charter flight, Leisure World Travel Agency charges $308/person. However, if more than 198 people sign up for the flight (assume this is the case), then each fare is reduced by $1 for each additional person. Hint: Let x

    asked by tamera on November 16, 2012
  44. math

    If exactly 198 people sign up for a charter flight, Leisure World Travel Agency charges $308/person. However, if more than 198 people sign up for the flight (assume this is the case), then each fare is reduced by $1 for each additional person. Hint: Let x

    asked by Ashley on November 15, 2012
  45. managerial economics

    A firm uses a single plant with costs C= 160 +16Q +.1Q2 and faces the price equation P= 96 – .4Q. a) Find the firm’s profit-maximizing price and quantity. What is the profit? b) The firm’s production manager claims that the firm’s average cost of

    asked by J on April 11, 2010
  46. Medical physics

    1.A hypodermic needle of lenght 0.020m and inner radius 3.0 x10^-4 is used to force water at 20 degree celcious into the air at a flow rate of 1.0 x10^-7m^2 s-1 (a) what is the average velocity in the needle?(assume laminar flow), (b) what is the pressure

    asked by JAMES on March 28, 2015
  47. Economics

    A firm uses a single plant with costs C = 160 + 16Q + .1Q2 and faces the price equation P = 96 - .4Q. a. Find the firm’s profit-maximizing price and quantity. What is its profit? b. The firm’s production manager claims that the firm’s average cost of

    asked by Philip on October 14, 2012
  48. ECONOMICS

    A firm uses a single plant with costs C= 160 +16Q +.1Q2 and faces the price equation P= 96 – .4Q. a) Find the firm’s profit-maximizing price and quantity. What is the profit? b) The firm’s production manager claims that the firm’s average cost of

    asked by STARR on May 15, 2010
  49. Medical physics

    1.A hypodermic needle of lenght 0.020m and inner radius 3.0 x10^-4 is used to force water at 20 degree celcious into the air at a flow rate of 1.0 x10^-7m^2 s-1 (a) what is the average velocity in the needle?(assume laminar flow), (b) what is the pressure

    asked by JAMES on March 28, 2015
  50. physics

    The vector position of a particle varies in time according to the expression r with arrow = 6.60 i − 9.00t2 j where r with arrow is in meters and t is in seconds. (a) Find an expression for the velocity of the particle as a function of time. (Use any

    asked by Mohammed on February 6, 2016
  51. math

    1. Many people know that the weight of an object varies on different planets, but did you know that the weight of an object on earth also varies according to the elevation of the object? In particular, the weight of an object follows this equation: , where

    asked by tera on April 8, 2009
  52. Statistics

    A school counselor tests the level of depression in fourth graders in a particular class of 20 students. The counselor wants to know whether the kind of students in this class differs from that of fourth graders in general at her school. On the test, a

    asked by stat on October 6, 2009
  53. Maths

    The weight of a termite mound (y) in kilograms is measured each month (x) after it was first found. The mound after 1 month is found to be 2 kilograms and after 3 months it is measured at 18 kilograms. It is believed that the model connecting the weight of

    asked by TP on April 14, 2008
  54. Statistics

    A school counselor tests the level of depression in fourth graders in a particular class of 20 students. The counselor wants to know whether the kind of students in this class differs from that of fourth graders in general at her school. On the test, a

    asked by jig on October 8, 2009
  55. statistics

    A school counselor tests the level of depression in fourth graders in a particular class of 20 students. The counselor wants to know whether the kind of students in this class differs from that of fourth graders in general at her school. On the test, a

    asked by stat on October 5, 2009
  56. MATH HELP ASAP

    PLEASE. 1. A frog jumps from a rock to the shore of a pond. Its path is given by the equation y=(-5/72)x^2+(5/3)x, where x is the horizontal distance in inches, and y is the height in inches. What is the frog's maximum height? How far had it traveled

    asked by Leslie on July 13, 2010
  57. Physics

    Hello recently I was asked to find the time it takes a satalite that is geocentric (that always stays above the same exact spot of the earth) so... I was given the radius of 61 earth radius or simply 3.89 E 6 m mass of earth what G equals and have to use

    asked by Physics on May 7, 2009
  58. math

    what is the answer to this question? The week before a big concert, five friends, alvin, bert, chip, dennis and ethan, stood in line to buy tickets. There were other people between them, but the five friends were in lin in the order listed above. the line

    asked by jw on April 28, 2010
  59. math

    what is the answer to this question? The week before a big concert, five friends, alvin, bert, chip, dennis and ethan, stood in line to buy tickets. There were other people between them, but the five friends were in lin in the order listed above. the line

    asked by ursie on April 28, 2010
  60. English

    2 Danielle reached into her bag. She was looking for her wallet. Which sentence best combines the two sentences using a participle phrase ? A) Looking for her wallet Danielle reached into her bag. B) Dannielle looking for her wallet reached into her bag.

    asked by melanie Esperanza on May 15, 2019
  61. Question About Math

    Hello! I have two math questions: 1.) Marcos has 28 coins that are all nickels (n) and dimes (d). The value of the coins is $2.05. Which system of equations can be used to find the number of nickels and the number the dimes? A. n + d = 28 5n + 10d = 205 B.

    asked by Abby on November 17, 2013
  62. English

    Could you please check these sentences for me, please? Thank you. 1) This morning we met an American couple living in Munik. They had an eight-year-old girl and were very friendly to us. 2) Their daughter does the same ski group course as our son (also she

    asked by Henry2 on December 30, 2011
  63. physics please help

    How many grams of carbohydrate does a person of mass 75 kg need to metabolize to climb five flights of stairs (15 m height increase)? Each gram of carbohydrate provides 17.6 kJ of energy. Assume 10.0% efficiency—that is, 10.0% of the available chemical

    asked by Nasir on June 11, 2012
  64. Economics Quick Question

    I'm going to type part of this passage and you have to fill in the blank. Could you check my answer here are the words that may go in that blank. elasticity shortage equilibrium price supply productivity surplus profit techonology Passage: Let's start with

    asked by Taylor on May 11, 2009
  65. Probability

    The probability of getting a royal flush when you deal out a five card hand is 1.54 × 10^-6. Suppose you deal out 8 × 10^6 hands, what is the probability that you will get 0 royal flushes? Make a list of the probabilities that you will get n royal

    asked by Beena on June 29, 2007
  66. calculus

    "superman is in level flight 6 miles above ground. his flight plan takes him directly over whs high school. how fast is he flying when the distance between him and the whs high school is exactly 10 miles and the rate is increasing 40mph?" i keep getting: r

    asked by eric on January 25, 2014
  67. calculus

    Water is leaking out of an inverted conical tank at a rate of cubic centimeters per min at the same time that water is being pumped into the tank at a constant rate. The tank has height meters and the diameter at the top is meters. If the water level is

    asked by neil on October 5, 2011
  68. 11th grade maths

    A.give an example of a function whose domain is {3,4,7,9}? and whose range is {-1,0,3} B.Find two different functions whose domain is {3,8}and whose range is {-4,1} C Explain why there does not exist a function whose domain is {-1,0,3} and whose range is

    asked by fatima on September 17, 2012
  69. Math

    Water is leaking out of an inverted conical tank at a rate of cubic centimeters per min at the same time that water is being pumped into the tank at a constant rate. The tank has height meters and the diameter at the top is meters. If the water level is

    asked by Salman on October 15, 2009
  70. Calculus

    Water is leaking out of an inverted conical tank at a rate of cubic centimeters per min at the same time that water is being pumped into the tank at a constant rate. The tank has height meters and the diameter at the top is meters. If the water level is

    asked by Riley on October 21, 2011
  71. math

    in an album, the ratio of the number of local stamps to the number of foreign stamps was 7 : 4. When Lucy gave away 8 local stamps and 8 foreign stamps, there were 1.8 as many local stamps as foreign stamps in the album. find the total number of stamps

    asked by Vivian on March 5, 2014
  72. algerbra

    Pick a country of your choice that is experiencing population growth. Using the Library, web resources, and/or other materials to find the most recent population count of the country you have chosen and the population growth rate of that country. Use that

    asked by HELP on October 26, 2007
  73. algebra

    Minute hand of a clock is 10 inches long. how far does the tip of the minute hand move in 15 seconds? I got that=5 pi BUT What speed is it moving in miles/hr???? algebra - PsyDAG, Sunday, November 13, 2011 at 1:38am Assuming it does move 5 pi, convert 5 *

    asked by Angela on November 13, 2011
  74. Physics

    An astronaut has crash landed on a planet that little is known about (not even the acceleration due to gravity). She must descend a steeo cliff to find shelter, but wants to know how high the cliff is before making the attempts. She happens to have

    asked by Alberto on October 3, 2011
  75. geo area & volume

    ok it asks me 2 find the lateral area of the cylinder ( the radius is 5 n the hight is 5) can some 1 help me with this please 392.5 Prinness, I think that 392.5 is pi*r^2*h, or the volume of the cylinder. This question asks for the lateral area. Lateral

    asked by martha on March 1, 2007
  76. Decaf Coffee

    Is decaf coffee completely decaffinated?? .. or are there low amounts of caffiene in brewed decaf coffee? (i'm researching about people with health conditions concerning caffiene... if they even should be drinking decaf coffee at all!!) - can anyone find

    asked by TechnoBoi11 on February 14, 2007
  77. Algebra Assignment

    Please check my work on this part of the assignment. Medical x-rays, with a wavelength of about 10^-10m, can penetrate completely through your skin. a. ultraviolet rays, which cause sun burn by penetrating only the top level of skin, have a wavelength

    asked by Anonymous on January 29, 2014
  78. History

    How do most experts think the first people came to North America? A. By walking across a land bridge between Asia and North B. By sailing from Europe 👈🏾👈🏾👈🏾 C. By sailing from Japan D.Humans were always in North America Which region

    asked by Helen Doe🤷🏽‍♀️🤔✏📝 on August 12, 2019
  79. Basic Algebra

    A new cruise ship line has just launched 3 new ships: the Pacific Paradise, The caribbean paradise, and the mediterranean paradise. The carribean paradise has 32 more deluxe stateroooms than the pacific paradise. The Mediterranean paradise has 37 few

    asked by Catherine on July 16, 2011
  80. Creative Writing

    I have to do this assignment but I don't understand what I need to do can someone please help me please.I chose Earthmoving Imaginative by Earthmoving malediction but confuse still or Choose either "At Navajo Monument Valley Tribal School" or "Earthmoving

    asked by Anonymous on July 4, 2009
  81. Biology

    Im stumped... These answers I cannot find, please and thank you :) 1) In males, the primary target of FSH is the ______. 2)Testosterone and other androgens are secreted by the______. 3)During meiosis, when synapsis occurs, corresponding maternal and

    asked by Elise on April 12, 2014
  82. math

    w2+1/64 In my Adv. Math class my teacher shaded in my to dark to I can't see the height. Can you give me a formula to find the height of a triangle? Jennifer, I don't know what you are asking. Please repost with more information. Thanks for asking.

    asked by jennifer on April 11, 2007
  83. CHEMISTRY!!!!!!!!!!

    Styrene is produced by catalytic dehydrogenation of ethyl- benzene at high temperature in the presence of superheated steam. Given the following data, Ethylbenzene, C6H5--CH2CH3 : delta Ht = -12.5 kJ/mol, delta Gt = 119.7 kJ/mol and S = 255 J/mol*K

    asked by Judith on November 10, 2015
  84. English

    Background You’ve applied for a specific job in your field of study. The Human Resources Department arranges an interview and tells you to bring with you a polished piece of writing for them to evaluate your writing skills. The paragraph must describe

    asked by Mary on March 7, 2011
  85. Math

    Find the start, elapsed, or end time. 1. Start time is 11:00am Elapsed time is 4 hours and 5 minutes How do you go about finding the end time? 2. Start time Elapsed time is 9 3/4 hours End time is 6:00pm I am really confused on how to begin finding the

    asked by Patrick on November 30, 2015
  86. 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

    asked by confusedkid on January 24, 2009
  87. English

    I need to find specific questions and specific answers about these two books: 1- Tangerine, by Edward Bloor 2- Gilda Joyce-Psychic Investigator I don't need stuff like "What is the setting and theme?" but more specific q's and a's, like "What COLOR was her

    asked by brie on May 26, 2007
  88. physics

    A cubical block of density rB and with sides of length L floats in a liquid of greater density rL. (a) What fraction of the block’s volume is above the surface of the liquid? (b) The liquid is denser than water (density rW) and does not mix with it. If

    asked by mary on February 3, 2016
  89. chemistry

    While researching energy values of fuels, a chemist designed an experiment to find out the heat of combustion of pentane. Using the known hexane heat of combustion of hexane = 4650kJ/mol and the data below calculate the heat of combustion of pentane. Set

    asked by sarah on March 28, 2010
  90. Calculus

    Imagine that you live on an infinitely long and straight street called Infinite Drive. The addresses on Infinite Drive are given by real numbers. Your address on the street is π while your friend Patrick’s is √3 and Karen’s is sin60°. There are two

    asked by Scooby16 on September 23, 2011
  91. chemistry

    While researching energy values of fuels, a chemist designed an experiment to find out the heat of combustion of pentane. Using the known hexane heat of combustion of hexane = 4650kJ/mol and the data below calculate the heat of combustion of pentane. Set

    asked by sarah on March 28, 2010
  92. Statistics: 82% Confidence Interval

    I'm having some difficulty with this problem: Over the last 15 Major League Baseball seasons, the mean # of strikeouts by the American League leader is 258.5. Assuming that the # of strikeouts by the league leader is normally distributed & the standard

    asked by melanie on June 22, 2008
  93. re math

    Many people know that the weight of an objectvaries on different planets,butdid you know that the wieght of an object on earth also varies according to the elevation oj an object.in particualr ,the weight of an equation follows this equation:w=cr -2

    asked by tera on April 8, 2009
  94. Physics

    A tugboat pulls a ship with a constant horizontal force of 6000N and causes the ship to move through a harbor. The water exerts a constant drag force on the ship of 500N. How much work is done on the ship if it moves a distance of 4.0 km? Force is causing

    asked by Felix on December 16, 2015
  95. math

    Find the exact value of cos 300 degrees. thanks guys cos 300 = 1/2 = 0.500 how do you know? I am supposed to show my work. You ought to know the rule on 30-60-90 triangles. If the hyp is 2, the shorter side is 1, and the longer side is sqrt3. what does

    asked by Bill on June 2, 2007
  96. PRE-CALC HELP

    1) Two boats leave the same port at the same time. One travels at a speed of 27 mi/h in the direction N 50° E and the other travels at a speed of 22 mi/h in a direction S 70° E (see the figure). How far apart are the two boats after one hour? (Round your

    asked by JOHN on November 8, 2013
  97. Physics

    There are four charges, each with a magnitude of 2.65 microcoulombs. Two are positive and two are negative. The charges are fixed to the corners of a 0.408-m square, one to a corner, in such a way that the net force on any charge is directed toward the

    asked by JJ on July 18, 2012
  98. statistics

    Given a sample size of 38, with sample mean 660.3 and sample standard deviation 95.9 we are to perform the following hypothesis test. Null Hypothesis H0: ƒÊ = 700 Alternative Hypothesis H0: ƒÊ ‚ 700 At significance level 0.05 3. Calculate the test

    asked by Scott on August 9, 2010
  99. Maths

    What is surface area and how do you work it out? Surface area is the area on an object. How one works it is dependent on the object. SURFACE IS THE AREA OF ANY OBJECT. AND HOW IT WORKS IS IF YOU HAVE A SQUARE AND YOU WANT TO FIND THE PERIMITIER THEN YOU

    asked by Sarah on February 14, 2007
  100. Physics

    A force F1 of magnitude 6.90 units acts on an object at the origin in a direction θ = 54.0° above the positive x-axis. (See the figure below.) A second force F2 of magnitude 5.00 units acts on the object in the direction of the positive y-axis. Find

    asked by Jennifer on September 20, 2015

Pages

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 9
  10. 10
  11. 11
  12. 12
  13. 13
  14. 14
  15. 15
  16. 16
  17. 17
  18. 18
  19. 19
  20. 20
  21. 21
  22. 22
  23. 23
  24. 24
  25. 25
  26. 26
  27. 27
  28. 28
  29. 29
  30. 30
  31. 31
  32. 32
  33. 33
  34. 34
  35. 35
  36. 36
  37. 37
  38. 38
  39. 39
  40. 40
  41. 41
  42. 42
  43. 43
  44. 44
  45. 45
  46. 46
  47. 47
  48. 48
  49. 49
  50. 50
  51. 51
  52. 52
  53. 53
  54. 54
  55. 55
  56. 56
  57. 57
  58. 58
  59. 59
  60. 60
  61. 61
  62. 62
  63. 63
  64. 64
  65. 65
  66. 66
  67. 67
  68. 68
  69. 69
  70. 70
  71. 71
  72. 72
  73. 73
  74. 74
  75. 75
  76. 76
  77. 77
  78. 78
  79. 79
  80. 80
  81. 81
  82. 82
  83. 83
  84. 84
  85. 85
  86. 86
  87. 87
  88. 88
  89. 89
  90. 90
  91. 91
  92. 92
  93. 93
  94. 94
  95. 95
  96. 96
  97. 97
  98. 98
  99. 99
  100. 100
  101. 101
  102. 102
  103. 103
  104. 104
  105. 105
  106. 106
  107. 107
  108. 108
  109. 109
  110. 110
  111. 111
  112. 112
  113. 113
  114. 114
  115. 115
  116. 116
  117. 117
  118. 118
  119. 119
  120. 120
  121. 121
  122. 122
  123. 123
  124. 124
  125. 125
  126. 126
  127. 127
  128. 128
  129. 129
  130. 130
  131. 131
  132. 132
  133. 133
  134. 134
  135. 135
  136. 136
  137. 137
  138. 138
  139. 139
  140. 140
  141. 141
  142. 142
  143. 143
  144. 144
  145. 145
  146. 146
  147. 147
  148. 148
  149. 149
  150. 150
  151. 151
  152. 152
  153. 153
  154. 154
  155. 155
  156. 156
  157. 157
  158. 158
  159. 159
  160. 160
  161. 161
  162. 162
  163. 163
  164. 164
  165. 165
  166. 166
  167. 167
  168. 168
  169. 169
  170. 170
  171. 171
  172. 172
  173. 173
  174. 174
  175. 175
  176. 176
  177. 177
  178. 178
  179. 179
  180. 180
  181. 181
  182. 182
  183. 183
  184. 184
  185. 185
  186. 186
  187. 187
  188. 188
  189. 189
  190. 190
  191. 191
  192. 192
  193. 193
  194. 194
  195. 195
  196. 196
  197. 197
  198. 198
  199. 199
  200. 200
  201. 201
  202. 202
  203. 203
  204. 204
  205. 205
  206. 206
  207. 207
  208. 208
  209. 209
  210. 210
  211. 211
  212. 212
  213. 213
  214. 214
  215. 215
  216. 216
  217. 217
  218. 218
  219. 219
  220. 220
  221. 221
  222. 222
  223. 223
  224. 224
  225. 225
  226. 226
  227. 227
  228. 228
  229. 229
  230. 230
  231. 231
  232. 232
  233. 233
  234. 234
  235. 235
  236. 236
  237. 237
  238. 238
  239. 239
  240. 240
  241. 241
  242. 242
  243. 243
  244. 244
  245. 245
  246. 246
  247. 247
  248. 248
  249. 249
  250. 250
  251. 251
  252. 252
  253. 253
  254. 254
  255. 255
  256. 256
  257. 257
  258. 258
  259. 259
  260. 260
  261. 261
  262. 262
  263. 263
  264. 264
  265. 265
  266. 266
  267. 267
  268. 268
  269. 269
  270. 270
  271. 271
  272. 272
  273. 273
  274. 274
  275. 275
  276. 276
  277. 277
  278. 278
  279. 279
  280. 280
  281. 281
  282. 282
  283. 283
  284. 284
  285. 285
  286. 286
  287. 287
  288. 288
  289. 289
  290. 290
  291. 291
  292. 292
  293. 293
  294. 294
  295. 295
  296. 296
  297. 297
  298. 298
  299. 299
  300. 300
  301. 301
  302. 302
  303. 303
  304. 304
  305. 305
  306. 306
  307. 307
  308. 308
  309. 309
  310. 310
  311. 311
  312. 312
  313. 313
  314. 314
  315. 315
  316. 316
  317. 317
  318. 318
  319. 319
  320. 320
  321. 321
  322. 322
  323. 323
  324. 324
  325. 325
  326. 326
  327. 327
  328. 328
  329. 329
  330. 330
  331. 331
  332. 332
  333. 333
  334. 334
  335. 335
  336. 336
  337. 337
  338. 338
  339. 339
  340. 340
  341. 341
  342. 342
  343. 343
  344. 344
  345. 345
  346. 346
  347. 347
  348. 348
  349. 349
  350. 350
  351. 351
  352. 352
  353. 353
  354. 354
  355. 355
  356. 356
  357. 357
  358. 358
  359. 359
  360. 360
  361. 361
  362. 362
  363. 363
  364. 364
  365. 365
  366. 366
  367. 367
  368. 368
  369. 369
  370. 370
  371. 371
  372. 372
  373. 373
  374. 374
  375. 375
  376. 376
  377. 377
  378. 378
  379. 379
  380. 380
  381. 381
  382. 382
  383. 383
  384. 384
  385. 385
  386. 386
  387. 387
  388. 388
  389. 389
  390. 390
  391. 391
  392. 392
  393. 393
  394. 394
  395. 395
  396. 396
  397. 397
  398. 398
  399. 399
  400. 400
  401. 401
  402. 402
  403. 403
  404. 404
  405. 405
  406. 406
  407. 407
  408. 408
  409. 409
  410. 410
  411. 411
  412. 412
  413. 413
  414. 414
  415. 415
  416. 416
  417. 417
  418. 418
  419. 419
  420. 420
  421. 421
  422. 422
  423. 423
  424. 424
  425. 425
  426. 426
  427. 427
  428. 428
  429. 429
  430. 430
  431. 431
  432. 432
  433. 433
  434. 434
  435. 435
  436. 436
  437. 437
  438. 438
  439. 439
  440. 440
  441. 441
  442. 442
  443. 443
  444. 444
  445. 445
  446. 446
  447. 447
  448. 448
  449. 449
  450. 450
  451. 451
  452. 452
  453. 453
  454. 454
  455. 455
  456. 456
  457. 457
  458. 458
  459. 459
  460. 460
  461. 461
  462. 462
  463. 463
  464. 464
  465. 465
  466. 466
  467. 467
  468. 468
  469. 469
  470. 470
  471. 471
  472. 472
  473. 473
  474. 474
  475. 475
  476. 476
  477. 477
  478. 478
  479. 479
  480. 480
  481. 481
  482. 482
  483. 483
  484. 484
  485. 485
  486. 486
  487. 487
  488. 488
  489. 489
  490. 490
  491. 491
  492. 492
  493. 493
  494. 494
  495. 495
  496. 496
  497. 497
  498. 498
  499. 499
  500. 500
  501. 501
  502. 502
  503. 503
  504. 504
  505. 505
  506. 506
  507. 507
  508. 508
  509. 509
  510. 510
  511. 511
  512. 512
  513. 513
  514. 514
  515. 515
  516. 516
  517. 517
  518. 518
  519. 519
  520. 520
  521. 521
  522. 522
  523. 523
  524. 524
  525. 525
  526. 526
  527. 527
  528. 528
  529. 529
  530. 530
  531. 531
  532. 532
  533. 533
  534. 534
  535. 535
  536. 536
  537. 537
  538. 538
  539. 539
  540. 540
  541. 541
  542. 542
  543. 543
  544. 544
  545. 545
  546. 546
  547. 547
  548. 548
  549. 549
  550. 550
  551. 551
  552. 552
  553. 553
  554. 554
  555. 555
  556. 556
  557. 557
  558. 558
  559. 559
  560. 560
  561. 561
  562. 562
  563. 563
  564. 564
  565. 565
  566. 566
  567. 567
  568. 568
  569. 569
  570. 570
  571. 571
  572. 572
  573. 573
  574. 574
  575. 575
  576. 576
  577. 577
  578. 578
  579. 579
  580. 580
  581. 581
  582. 582
  583. 583
  584. 584
  585. 585
  586. 586
  587. 587
  588. 588
  589. 589
  590. 590
  591. 591
  592. 592
  593. 593
  594. 594
  595. 595
  596. 596
  597. 597
  598. 598
  599. 599
  600. 600
  601. 601
  602. 602
  603. 603
  604. 604
  605. 605
  606. 606
  607. 607
  608. 608
  609. 609
  610. 610
  611. 611
  612. 612
  613. 613
  614. 614
  615. 615
  616. 616
  617. 617
  618. 618
  619. 619
  620. 620
  621. 621
  622. 622
  623. 623
  624. 624
  625. 625
  626. 626
  627. 627
  628. 628
  629. 629
  630. 630
  631. 631
  632. 632
  633. 633
  634. 634
  635. 635
  636. 636
  637. 637
  638. 638
  639. 639
  640. 640
  641. 641
  642. 642
  643. 643
  644. 644
  645. 645
  646. 646
  647. 647
  648. 648
  649. 649
  650. 650
  651. 651
  652. 652
  653. 653
  654. 654
  655. 655
  656. 656
  657. 657
  658. 658
  659. 659
  660. 660
  661. 661
  662. 662
  663. 663
  664. 664
  665. 665
  666. 666
  667. 667
  668. 668
  669. 669
  670. 670
  671. 671
  672. 672
  673. 673
  674. 674
  675. 675
  676. 676
  677. 677
  678. 678
  679. 679
  680. 680
  681. 681
  682. 682
  683. 683
  684. 684
  685. 685
  686. 686
  687. 687
  688. 688
  689. 689
  690. 690
  691. 691
  692. 692
  693. 693
  694. 694
  695. 695
  696. 696
  697. 697
  698. 698
  699. 699
  700. 700
  701. 701
  702. 702
  703. 703
  704. 704
  705. 705
  706. 706
  707. 707
  708. 708
  709. 709
  710. 710
  711. 711
  712. 712
  713. 713
  714. 714
  715. 715
  716. 716
  717. 717
  718. 718
  719. 719
  720. 720
  721. 721
  722. 722
  723. 723
  724. 724
  725. 725
  726. 726
  727. 727
  728. 728
  729. 729
  730. 730
  731. 731
  732. 732
  733. 733
  734. 734
  735. 735
  736. 736
  737. 737
  738. 738
  739. 739
  740. 740
  741. 741
  742. 742
  743. 743
  744. 744
  745. 745
  746. 746
  747. 747
  748. 748
  749. 749
  750. 750
  751. 751
  752. 752
  753. 753
  754. 754
  755. 755
  756. 756
  757. 757
  758. 758
  759. 759
  760. 760
  761. 761
  762. 762
  763. 763
  764. 764
  765. 765
  766. 766
  767. 767
  768. 768
  769. 769
  770. 770
  771. 771
  772. 772
  773. 773
  774. 774
  775. 775
  776. 776
  777. 777
  778. 778
  779. 779
  780. 780
  781. 781
  782. 782
  783. 783
  784. 784
  785. 785
  786. 786
  787. 787
  788. 788
  789. 789
  790. 790
  791. 791
  792. 792
  793. 793
  794. 794
  795. 795
  796. 796
  797. 797
  798. 798
  799. 799
  800. 800
  801. 801
  802. 802
  803. 803
  804. 804
  805. 805
  806. 806
  807. 807
  808. 808
  809. 809
  810. 810
  811. 811
  812. 812
  813. 813
  814. 814
  815. 815
  816. 816
  817. 817
  818. 818
  819. 819
  820. 820
  821. 821
  822. 822
  823. 823
  824. 824
  825. 825
  826. 826
  827. 827
  828. 828
  829. 829
  830. 830
  831. 831
  832. 832
  833. 833
  834. 834
  835. 835
  836. 836
  837. 837
  838. 838
  839. 839
  840. 840
  841. 841
  842. 842
  843. 843
  844. 844
  845. 845
  846. 846
  847. 847
  848. 848
  849. 849
  850. 850
  851. 851
  852. 852
  853. 853
  854. 854
  855. 855
  856. 856
  857. 857
  858. 858
  859. 859
  860. 860
  861. 861
  862. 862
  863. 863
  864. 864
  865. 865
  866. 866
  867. 867
  868. 868
  869. 869
  870. 870
  871. 871
  872. 872
  873. 873
  874. 874
  875. 875
  876. 876
  877. 877
  878. 878
  879. 879
  880. 880
  881. 881
  882. 882
  883. 883
  884. 884
  885. 885
  886. 886
  887. 887
  888. 888
  889. 889
  890. 890
  891. 891
  892. 892
  893. 893
  894. 894
  895. 895
  896. 896
  897. 897
  898. 898
  899. 899
  900. 900
  901. 901
  902. 902
  903. 903
  904. 904
  905. 905
  906. 906
  907. 907
  908. 908
  909. 909
  910. 910
  911. 911
  912. 912
  913. 913
  914. 914
  915. 915
  916. 916
  917. 917
  918. 918
  919. 919
  920. 920
  921. 921
  922. 922
  923. 923
  924. 924
  925. 925
  926. 926
  927. 927
  928. 928
  929. 929
  930. 930
  931. 931
  932. 932
  933. 933
  934. 934