1. Science

    how would you make 1 molar solution using 4 molar solution and pure water?

    asked by Kayla on June 9, 2011
  2. math

    if you live 71 mi from a river, does it make sense to say you live about 80 mi from river? explain

    asked by tina on September 29, 2012
  3. maths

    I am a four digit number.me and two times me together make the largest four digit number.who am i?

    asked by shahajas on August 6, 2017
  4. math

    a recipe call for 8/9 of a cup of granola. you only want to make 1/9 of the recipe. How much granola do you need?

    asked by Rhonda on April 3, 2013
  5. 5th math

    how do you estimated 7.842/6? than divide it. or 9.48/4 ? you have to estimated than divide it or what else? 3.84/6 should I make it turn to 39/6?

    asked by pat on November 16, 2010
  6. algebra, help please

    Have to make an equation using the numbers 2,3,6,8 and the symbols +,-, and x. Must equal 17 and can't use numbers twice. I can come up with an equation but had to use the 3 twice.

    asked by Dakota on February 4, 2010
  7. chemistry

    How do you make a 3 m solution of kbr? How many moles of kbr are in 1 liter of a .03 m solution?

    asked by lisa on February 15, 2012
  8. chemistry

    Make up a 500mL solution of 4.8M solution HCl (HCl gmw= 36.5g)

    asked by Dena on September 9, 2012
  9. CHEMISTRY

    HOW MUCH 1 MOLE HCL IS REQUIRED TO MAKE 250ML OF 0.1 MOLE HCL

    asked by EJ on March 13, 2012
  10. 3rd Grade Math

    "Tommy has 16 toy trucks. How many different arrays can he make with all the trucks?What are the arrays?"

    asked by Pam on December 15, 2011
  11. English

    I need to make a sentence using the word lechery. I have no idea how to use this word in a sentence so any help would be welcome.

    asked by Anonymous on October 7, 2009
  12. math

    The answer to the maths question was: "age>21". Make up a question that could have this as an answer.

    asked by Melissa on July 20, 2013
  13. math

    The answer to the maths question was: "age>21". Make up a question that could have this as an answer.

    asked by Melissa on July 20, 2013
  14. trigo

    A space shuttle pilot flying toward the Suez Canal finds that the angle of depression on one end of the canal is 38.25deg and the angle of depression to the other end is 52.75deg. If the canal is 100.6 mi long, find the altitude of the space shuttle.

    asked by trigofunctions on August 3, 2010
  15. Math

    A jug has 400 mL of 1/2 strength orange juice. The following amounts of full-strength juice are added to the mix. Find a fraction to describe the strength of the orange drink after the full-strength juice is added a) 100 mL I don't get what this question

    asked by Anonymous on February 6, 2017
  16. Chemistry

    How much heat would be required to convert 234.3 g of solid benzene, C6H6(s), at 5.5 c into benzene vapor, C6H6, at 100 c? mp of C6H6=5.5c bp of C6H6=80.1 c mhc C6H6(l)=136J/mol*c mhc C6H6(g)=81.6J/mol*c mhfusion at 5.5 c=9.92kJ/mol mhvaporization at 80.1

    asked by Holly on August 1, 2010
  17. physics

    Determine the quantity of heat required to convert 1kg of ice at −20 degrees Celsius to water at 100 degrees Celsius? Specific heat capacities of water and ice water are 2302 J/kgK and 4186 J/kgK respectively

    asked by Sam on November 19, 2014
  18. maths

    a survey of reading habit of 100 students showed that 30 read both comics and novels . 10 read neither comic nor novelsand twice as many students read as read moves.(1) illustrate the information on a vien diagram (2) how many students read novels (3) how

    asked by abdul latif on December 2, 2018
  19. Math

    A caterer charges a fixed cost for preparing a dinner plus an additional cost for each person served. You know that the cost for 100 students will be $750 and the cost for 150 students will be $1050. Find the caterer's fixed cost and the cost per student

    asked by Jessica on April 20, 2009
  20. College Chemistry

    The boiling point of a liquid at atmospheric pressure is the temperature: a. at which bubbles of vapor expand within the liqud b. at which the liquid solidifies c. at which the vapor pressure first exceeds the critical temperature d. at which the vapor

    asked by Donna on March 28, 2010
  21. Math

    Police use a formula s = S √1/L , where S is the test-car speed and L is the test-skid length, to find the actual speed s in an accident which left a skid mark of l. Find the actual speed s (nearest whole mph) when S=45 mph, 1=150 ft, L=100 ft.

    asked by Marie on March 3, 2012
  22. science

    A piece of unknown metal with mass 68.6 g is heated to an initial temperature of 100 °C and dropped into 84 g of water (with an initial temperature of 20 °C) in a calorimeter. The final temperature of the system is 52.1°C. The specific heat of water is

    asked by jashawun on March 5, 2019
  23. probabilities

    A radioactive source of material emits a radioactive particle with probability 1/100 in each second. Let X be the number of particles emitted in one minute. 1. Determine the probability distribution, the expected value and the variance of X. 2. Calculate

    asked by hassan on April 26, 2016
  24. College Chemistry

    If 69.3g of magnesium chloride were produced from a process with a known yield of 78.3%, find the mass of carbon tetrachloride in grams that was used. Equation: 2CCl4 + MgCrO4 -> 2COCl2 + CrO2Cl2 + MgCl2 I was able to solve it but I just don't understand

    asked by Bach on March 31, 2010
  25. physics

    can someone explain how to do this step by step i already have the answer but i need to know how to do it!! the answer is (a)6.67m/s (b)111km/s^2 The muzzle velocity of 50g shell leaving a 3kg rifle 400m/s(a)What is the recoil velocity of the rifle?(b)If

    asked by KIKI on November 16, 2011
  26. Physics

    A gram of living plant material with Carbon-14 , decays at a rate of about 16 disintegrations per minute. When the plant dies, the Carbon-14 decays, with a half-life of 5600 years. A gram of the dead plant is found to decay at about 1 disintegration per

    asked by Deidre on November 23, 2015
  27. Science

    I not sure what formula to use for KE or how to find the mass for the equation. Water is flowing through a 2-inch diameter pipe with a velocity of 3 ft/s. Part A What is the kinetic energy of the water in (ft)(lbf)/(lbm)? (lbf) pound force (lbm) pound mass

    asked by Angel on August 25, 2012
  28. Physics Mehanics

    In the figure below, wheel A of radius rA = 11 cm is coupled by belt B to wheel C of radius rC = 23 cm. The angular speed of wheel A is increased from rest at a constant rate of 1.6 rad/s2. Find the time needed for wheel C to reach an angular speed of 110

    asked by D on February 24, 2011
  29. chemistry

    Dinitrogen tetroxide decomposes to form nitrogen dioxide in a second order reaction: N2O4(g)-> 2NO2(g) At 400K, the rate constant for this reaction has been measured to be 2.9x10^8 L/mol*s.suppose 0.222 mol of N2O4(g) is placed in a sealed 41.7L container

    asked by Anonymous on April 22, 2014
  30. PHYSICS

    An airplane is flying straight and level at a speed vo = 150 mph and with a constant time rate of increase of speed v' = 20 ft/s^2, when it starts to climb along a circular path with a radius of curvature p = 2000 ft. The airplane maintains v' constant for

    asked by ROCKY on July 9, 2013
  31. Statistics

    2. The arrivals of customers at a drive-in banking window are governed by the Poisson distribution. Each customer requires 5 minutes to transact his or her business at the drive-in window. The average customer arrival rate is 10 per hour. A customer

    asked by Jus on March 4, 2010
  32. College Physics

    (a) How many hours does it take him to work off a 450 Calorie bagel if he stays in bed all day? (b) How long does it take him if he's working out? 2 h (c) Calculate the amount of mechanical work necessary to lift a 126 kg barbell 2.10 m. 3 J (d) He drops

    asked by Maria on November 24, 2014
  33. English

    1. He needs two canned foods. 2. He needs some 500 won coins and many 1,000 won bills. 3. He needs a map book and a tour book to use in the travel. 4. He needs a bottle of drink and a canned drink to drink during the trip. 5. He needs a sun block/sun

    asked by John on May 8, 2009
  34. Math

    The sum of 8 term of an a-p is 100 while the sum of 20 term is 880 find the sum of 12 term

    asked by Imaikop on February 13, 2016
  35. 5th grade math

    Using input output tables input 3 4 5 6 0 10. Output 9 16 25 36 0 100 what is the input output rule?

    asked by john on January 29, 2013
  36. algebra

    use the percent equation to answer the following. solve the percent equation for h percent equation is a/b=p/100 thanks

    asked by ann on December 3, 2011
  37. french

    how do you remember all those words I always made vocabulary cards with the (French, Spanish, Latin, etc) on one side and the English on the other. Sometimes I would make the cards with the definition on one side and the word on the other. Then if I didn't

    asked by A. Nicole Rawlins on December 29, 2006
  38. English

    Can someone edit my paragraphs please? "You know, if we had a uniform policy, it would make things better in this school."(qtd. in Mitchell). The famous words of president Bill Clinton after realizing how school uniforms would positively affect our public

    asked by Sarah on October 25, 2010
  39. Accounting

    Harris company borrowed 65,000 by giving 10 year , 6% installment note to Cuba Bank The note requires annual payments of $8832 first payment occuring on the last day of the fiscal year. the first payment consists of interest of $3,900 and principal

    asked by Nancy on December 6, 2012
  40. Math

    A car troubles 172 miles he’s in 7 gallons of gas at that rate how far can the car trouble using 42 gallons of gas 1032 miles 1548 miles 1204 miles 1376 miles

    asked by Anna on January 23, 2019
  41. math

    A street light is at the top of a 15 ft pole. A 5 ft tall girl walks along a straight path away from the pole with a speed of 5 ft/sec. (A)At what rate is the tip of her shadow moving away from the light (ie. away from the top of the pole) when the girl is

    asked by PAT on November 3, 2015
  42. algebra

    a painter charged $320 to paint two walls that measure 12 feet by 9ft and two walls that measured 10 ft by 9 ft. The client asks him to return to paint two walls that measue 15 ft by 12 ft and two walls that measure 18.5 feet by 12 ft. If the painter

    asked by bobby on September 30, 2013
  43. Math

    The daily temperature is decreasing at a rate of 2 degrees Fahrenheit T represent the daily high temperature now right then expression for the high temperature in five days the current at high temperatures need to address for hi-fi high temperature in five

    asked by John on October 23, 2016
  44. algebra

    please show work Find the average rate of change for the given function on the given interval. 3. f(x)=x2-4x; -2 ≤x≤ 4 4. f(x)=2x-1; [0, 3] Find a Point-Slope equation for a line containing the given point and having the given slope. 9. (-7, 2), m = 3

    asked by meme god on November 13, 2017
  45. calculus

    An athlete is running around a circular track of radius 50 meters at the rate of 5 meters per second. A spectator is 200 meters from the center of the track. How fast is the distance between the two changing when the runner is approaching the spectator and

    asked by cynthia on January 11, 2011
  46. Finance

    Which of the following has more interest risk? Why? A. Bond A with a 10% Coupon and a YTM of 10% which matures in 5 years. B. Bond B with a 10% Coupon and a YTM of 10% which matures in 11 years. C.) A share of Preferred Stock that pays $10 dividend in

    asked by Sara on February 28, 2012
  47. Chemistry

    Identification of an unknown powdered metal by reaction with HCl: Why does the pH of the HCl solution initially increase very slowly when an unknown metal is first added to the acid solution, but gradually increase at a faster rate as the reaction proceeds

    asked by Ali on October 6, 2013
  48. economics banking

    i am looking to find factors that determine bank reserve ratios. i am looking at the central bank's lending rate to commercial banks and commercial banks lending rates( maybe average ) to cosumers (depositors). if anyone could help me find a place where

    asked by izy on January 19, 2010
  49. physics

    A certain hydraulic system is designed to exert a force 100 times as large as the one put into it. (a) What must be the ratio of the area of the slave cylinder to the area of the master cylinder? (b) What must be the ratio of their diameters? (c) By what

    asked by Mohanad on April 1, 2014
  50. chemistry

    hi, i am trying to develop a lab where i find the solubility of Sodium acetate. I was wondering in i was in the right path. We are given these three compounds: Acetic acid aka vinegar baking soda (sodium hydrogen carbonate) 0.100mol/l Naoh(aq) 0.100/l

    asked by chemistrybuddy on June 2, 2008
  51. Pre-Calc

    A piece of wire 100 cm long is cut into two pieces. One piece is bent to form a square and the other to form a circle. Let x equal the length of the wire used to form the square. A. write the function that represents the area of the two figures B.

    asked by Nadia on January 20, 2015
  52. Algebra1

    Please check these 15. Simplify the product using FOIL: (4x+3)(2x+5) 6x^2 + 26x + 15 16. Given the set of data 2, 6, 3, 8, 5, 4, 2, what is the mean? 4.28 41. Find 60.5% of 8,125. 4,915.625 54. Find 45% of 125 56.25 68. Evaluate: (5.0 x 10^3) x (4.0 x

    asked by y912f on June 10, 2010
  53. Projective Motion Problem

    Darryl Strawberry hits a baseball with a horizontal velocity of 45 m/s and a vertical velocity of 25 m/s... Find the time it takes for the ball to travel to the highest point Find the total time the ball is in flight Find the range Find the max height the

    asked by Dan on December 3, 2007
  54. Physics

    It is reasonable to assume that the bulk modulus of blood is about the same as that of water (2.20 GPa). As one goes deeper and deeper in the ocean, the pressure increases by 1.0*10^4 Pa for every meter below the surface. If a diver goes down 33.0 m (a bit

    asked by Christina on November 14, 2007
  55. Dan

    Darryl Strawberry hits a baseball with a horizontal velocity of 45 m/s and a vertical velocity of 25 m/s... Find the time it takes for the ball to travel to the highest point Find the total time the ball is in flight Find the range Find the max height the

    asked by Projectile Motion Problem on December 3, 2007
  56. Chemistry

    When a diprotic acid, H2A, is titrated by NaOH, the protons on the diprotic acid are generally removed one at a time, resulting in a pH curve that has the following generic shape. (a) Notice that the plot has essentially two titration curves. If the first

    asked by Franklin on March 7, 2013
  57. Physics

    It is reasonable to assume that the bulk modulus of blood is about the same as that of water (2.20 GPa). As one goes deeper and deeper in the ocean, the pressure increases by 1.0*10^4 Pa for every meter below the surface. If a diver goes down 33.0 m (a bit

    asked by Marie on November 14, 2007
  58. English

    1. Let me call roll to make sure you're all here. 2. Let's decide the turns first. Who would like to go first? 3. Could you please fetch it from the staff room? 4. Could you please fetch it from the teachers' room? 5. Could you please fetch it from the

    asked by rfvv on November 22, 2014
  59. chemistry

    Calculate the volume of concentrated NaOH solution (which contains 500.00g of NaOH per liter of solution) that you will need to make 1.00L of a 0.100M NaOH solution

    asked by xx on October 28, 2014
  60. Math

    Jim has 87 lightbulbs to put into packages of 4 bulbs each. Before he packed the bulbs 10 lightbulbs broke How many complete 4 packs of lightbulbs could he make with the remaining bulbs?

    asked by Gisela on February 1, 2017
  61. Algebra

    Mary, Margaret, Ron and Nick are to share a sholarship. Ron receives 1/3 of the scholarship; Nick gets 1/4 of the scholarship; Mary receives the same as Nick, and Margaret receives $72,000. Find each person's share in the scholarship as well as the

    asked by Michelle on January 10, 2013
  62. Calculus - Integrals

    I made this question, just wanted to make sure it didn't drown under the tide... I've set a problem up, something like this. s^4: A+D=0 s^3: -2A+B-3D+E=0 s^2: 2A-B+C+3D-3E=0 s^1: -2A+B-D+3E=4 s^0: A+C-E=4 Count Iblis -It's easier to substitute for s the

    asked by David on March 25, 2008
  63. Question

    Discus Awards College Scholarship Description: The Discus Awards College Scholarship is available to high school students planning to attend college. You must choose three areas from the categories on the Web site and provide evidence of your excellence in

    asked by Lauren on December 29, 2011
  64. Algebra and Maths

    In a pest eradication program, "N" sterilized male flies are released into a general population each day. It is estimated that 90% of these flies will survive a give data. A) Show that the number of sterilzed flies in population "n" days after the program

    asked by Inam on January 4, 2018
  65. math

    what would you consider to be the most appropriate form for displaying the data. For each set, develop and appropriately label a graph. Then write a short paragraph justifying your selection. Stress Units of Various Life Experiences Experience Stress Units

    asked by help on October 10, 2009
  66. algebra

    A train left Podunk and traveled north at 75km/h. Two hours later, another train left Podunk and traveled in the same direction at 100 km/h. How many hours had the first train travelee when the second overtook it?

    asked by joshua on January 8, 2009
  67. Math

    In a class of 20 students, the average (arithmetic mean) score on a test is 84 points. If 6 students each scored 100 points and 4 students each scored 50 points, what is the average of the scores of the remaining students?

    asked by Elle on February 24, 2018
  68. math

    In a class of 20 students, the average (arithmetic mean) score on a test is 84 points. If 6 students each scored 100 points and 4 students each scored 50 points, what is the average of the scores of the remaining students?

    asked by Carl on February 24, 2018
  69. Physics

    A person walked 3 miles at 30 degrees to the horizontal, 2 miles at 100 degrees to the horizontal, 5 miles at 240 degrees and 1 mile at 325 degrees. What is the person's total displacement

    asked by Kelly on October 14, 2009
  70. math

    the formula C=5/9(F-32) is used to convert Fahrenheit temperature,F, to Celsius temperature,C. What temperature in Fahrenheit is equivalent to a temperature of 100 Celsius. I know that in Fahrenheit its 212 degrees, but i used it by using guess and check.

    asked by derek on May 30, 2008
  71. sanket study centre

    In triangle ABC p,q,r such that they lie interior of triang ABC and AP=AR and all the three sides of triangle PQR are scalan if area of triangle PQR is 100 then find area of triangle ABC

    asked by sanjay on November 11, 2015
  72. Spnaish- Translation

    Hi, I am trying to translate "It is still an everyday struggle to compete in this male dominated world, but there are many women who are defying adversity." Is this accurate: Es una problema para hoy a competir en este mundo de hombres, pero hay mujeres

    asked by Anna on March 26, 2007
  73. english

    How can I make this a better five –sentence paragraph using chronological order to arrange the details of the paragraph? Signing to my homepage is simple. First I go to the school website which is ………. . Then I click on student login. Then I enter

    asked by Me on March 10, 2010
  74. Math

    It took Steve and his construction crew 8 months to build a house. Alfter expenses, he was left with $24,872.67 himself. on average, how much did Steve make per month? Round to the nearest dollar. I know the answer is $3,109.08 but what can do I do with

    asked by Micaela on September 7, 2011
  75. Chemistry

    Assume you dissolve 0.235 g of the weak acid benzoic acid, C6H5CO2H, in enough water to make 4.00*10^2 mL of solution and then titrate the solution with 0.138 M NaOH. C6H5CO2H(aq) + OH-(aq) C6H5CO2-(aq) + H2O(l) Find concentration of Na+ at equivalence

    asked by john on April 21, 2013
  76. chemistry

    As a technician in a large pharmaceutical research firm, you need to produce 200.mL of 1.00 M a phosphate buffer solution of pH = 7.19. The pKa of H2PO4− is 7.21. You have 2.00 L of 1.00 M KH2PO4 solution and 1.50 L of 1.00 M K2HPO4 solution, as well as

    asked by moses on September 14, 2013
  77. Literature

    Expressionist drama aims to a. shock the audience by portraying characters with unrealistic conflicts b. make the audience focus on themselves rather than on the stage c. keep drama within the confines of a "beginning, middle, end" pattern d. reveal the

    asked by y912f on January 31, 2009
  78. Algebra

    The first three equations I have solved, I would just appreciate someone checking them over to make sure I'm doing them right. Find the GCF: 16x^2z ,40xz^2 , 72z^3 = 3^3z Factor our GCF: a(a+1) - 3(a+1) = a+1 Factor Polynomial: 9a^2 - 64b^2 =

    asked by KB on January 22, 2009
  79. Macro

    Give an example, other than those given in the chapter, of a technological change that has caused unemployment, or Give an example of a new technology that has created jobs How do you think you might measure the net impact of technological change on

    asked by Mary on September 1, 2010
  80. Physics

    You have a grindstone with a mass of 90.0 kg, 0.340-m radius, and is turning at 90.0 rpm. You press a steel ax against it, bringing it to a stop in 36.0 s. (a) What is the change in kinetic energy of the grindstone? (b) If the tangential force due to the

    asked by Anonymous on June 19, 2014
  81. Algebra

    Find the price of any container of lemonade at a local grocery store. (You can also find prices in advertisements and on the Internet.) Make sure you write down the number of fluid ounces in the container. Determine the unit price and post the information.

    asked by Anonymous on September 10, 2014
  82. Chemistry

    Which choices indicate a chemical change? _(Select all that apply.)_ two liquids mix and release an odor two colors mix to make a new color liquid turns to gas in the form of bubbles when boiling two liquids form a precipitate B and C?

    asked by Quinn on December 7, 2018
  83. college physics

    Consider a projectile that is thrown upward at an angle between 10 and 80 degrees from the horizontal, when are the acceleration and velocity vectors perpendicular to each other? (Only consider the motion during free fall.) a) nowhere b)at the highest

    asked by CLARE on April 18, 2012
  84. algebra

    Find the price of any container of lemonade at a local grocery store. (You can also find prices in advertisements and on the Internet.) Make sure you write down the number of fluid ounces in the container. Determine the unit price and post the information.

    asked by may on September 11, 2014
  85. English

    Revise the sentence below to make it more formal: 'You're going to get really fat if you eat at fast foods restaurants all the time. My version: If you continue eating at fast food restaurants all the time, the possibility of becoming obese will be very

    asked by Tim on February 4, 2017
  86. Film and Literature

    Apply at least one of the critical approaches introduced in this week's lecture (reader-response/viewer-response, psychoanalytic, or historical criticism), to "Memento Mori" and Memento. How might these approaches help us make sense of this story and its

    asked by cece on September 25, 2012
  87. Chem

    Separate the following balanced chemical equation into its total ionic equation. AgNO3​(aq)+NaCl(aq) --> NaNO3​(aq)+AgCl(s) (List the ions in order of the above equation.) Write the net ionic equation for the reaction above. (Make sure the cation is

    asked by Emma on October 16, 2017
  88. Calculus

    A SHEET OF CARDBOARD 180 INCHES SQUARE IS USED to make an open box by cutting squares of equal size from the corners and folding up the sides, what size squares should be cut to obtain a box with the largest possible volume?

    asked by Oswaldo on October 19, 2010
  89. math

    Ryan has nine 14-ounce bags of pop corn to repackage and sell at the school fair. A small bag holds 3 ounces. How many small bags can he make? 9*14=126 126/3=42 I need to know if there is a longer version to this answer or is this the only way it can be

    asked by chase on September 9, 2013
  90. Math

    I have a fraction problem that involves borrowing and I do not know how to do this. My problem is 11 2/3 - 3 5/6. I know that I need to make the denominator the same so that makes it 11 4/6 - 3 5/6. My 11 needs to go to 10 but I do not know what changes

    asked by Anna on November 5, 2006
  91. algebra

    The first three equations I have solved, I would just appreciate someone checking them over to make sure I'm doing them right. Find the GCF: 16x^2z ,40xz^2 , 72z^3 = 3^3z Factor our GCF: a(a+1) - 3(a+1) = a+1 Factor Polynomial: 9a^2 - 64b^2 =

    asked by kay bri on January 23, 2009
  92. Chemistry

    As a technician in a large pharmaceutical research firm, you need to produce 400. mL of 1.00 M potassium phosphate solution of pH = 7.18. The pKa of H2PO4- is 7.21. You have 2.00 L of 1.00 M KH2PO4 solution and 1.50 L of 1.00 M K2HPO4 solution, as well as

    asked by Anonymous on February 28, 2011
  93. Physics

    If the create has a mass of 90 kg and is 1.6 {\rm m} tall and 0.80 {\rm m} in depth and width, what is the minimum force needed to make the crate start tipping? (Assume the center of mass of the crate is at its center and static friction great enough to

    asked by Danny on November 28, 2010
  94. math

    if a radio tower send a signal with a 12-mile radius. will a house that is 10 miles east and 5 miles north of the tower receive the signal i tried the problem, i drew a picture but im not sure of its right because i don't have a compass to make a good

    asked by zee on April 20, 2011
  95. bio check my answer plz???

    Ideally, sustainable development should ___________. A)put the protection of the environment ahead of human needs B)provide for human needs at the expense of the environment C)use more natural resources to make goods to meet human needs D)preserve

    asked by Bre on December 26, 2012
  96. h.s. physics

    Consider a projectile that is thrown upward at an angle between 10 and 80 degrees from the horizontal, when are the acceleration and velocity vectors perpendicular to each other? (Only consider the motion during free fall.) a) nowhere b)at the highest

    asked by CLARE on April 18, 2012
  97. Adv Comp

    I need help coming up with a title for a review on the documentary Wordplay. I wrote about how the documentary give a lot of great information, but lacks a compelling plot throughout. I really wanted to make the title interesting by adding actual wordplay

    asked by Rebekah on October 30, 2012
  98. s.s

    before there was mills what was used to make thread? Before there were mills and factories, people made thread at home on spinning wheels. Check this site for more information and a picture of a spinning wheel. http://en.wikipedia.org/wiki/Spinning_wheel

    asked by Melsissa on February 8, 2007
  99. us history ap/cc

    My teacher told us that we need to write an essay answering this thesis statement; Why is it so important to study history? Or is it? I know that history is very important to study no matter how boring it may be!! But now I cant think of three reasons

    asked by confused:(( on September 4, 2009
  100. Physic/Chemistry

    You react 25.0 liters of oxygen gas at STP with 50.0 ml of ethanol liquid. Ethanol has a density of 0.789 g/ml. After actually running the reaction you determined the percent yield was only 78.5%. How many LITERS of CO2 did you make? (Must put CO2 in

    asked by Bree W. on May 20, 2014

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