1. English

    This sentence has an error but I'm not sure if this is correct. His father and uncle were theirselves great travelers. Is it suppose to be: His father and uncle were themselves great travelers.

    asked by Emma on January 12, 2013
  2. Sets

    Suppose Set B contains 69 elements and the total number elements in either Set A or Set B is 107. If the Sets A and B have 13 elements in common, how many elements are contained in set A?

    asked by Anonymous on December 15, 2016
  3. Calculus - #1

    Suppose g(x)={1/x+1 if x

    asked by Samantha on November 6, 2013
  4. College CHem

    Suppose you accidently add too much NaOH during a titration. You then add a volume of HCl exactly equal to ½ the volume of NaOH actually used in the titration. What effect does this have on the Ka?

    asked by Stephany Toussaint on March 15, 2010
  5. math

    Suppose that there are two functions, f and g. The domain of f is the interval [-2,10] and the range of f is the interval (-15,2]. The domain of g is the interval (-5,7) and the range of g is the interval [-2,3). Determine all information that you can

    asked by G on March 24, 2015
  6. chemistry

    If we suppose that Kw = 1.0x10^-14 at 25C, would it be larger or smaller at 100C? What is the value of K for the reaction 8H + 8OH = 8H2O at 25C? Would this value be smaller, or larger, at 100C?

    asked by Juan on July 6, 2010
  7. math

    your cat is expecting a litter of kitten.suppose the probability of a male kitten is 1/2.what is the probabilty that a litter of five kittens contain all male kittens

    asked by Katherine on November 6, 2009
  8. math

    Suppose that there are two functions, f and g. The domain of f is the interval [-2,10] and the range of f is the interval (-15,2]. The domain of g is the interval (-5,7) and the range of g is the interval [-2,3). Determine all information that you can

    asked by G on March 24, 2015
  9. Algebra

    Suppose Set B contains 69 elements and the total number elements in either Set A or Set B is 107. If the Sets A and B have 13 elements in common, how many elements are contained in set A?

    asked by Tamera on December 16, 2016
  10. Sets

    Suppose Set B contains 69 elements and the total number elements in either Set A or Set B is 107. If the Sets A and B have 13 elements in common, how many elements are contained in set A?

    asked by LISA on December 16, 2016
  11. math

    Suppose x can be expressed as a function of y by x = 5x − 3. a. How can y be expressed as a function of x? b. What is the relationship between the slopes of the two linear equations? c. How do the x-intercepts and y-intercepts of the two equations

    asked by Sara V. on April 15, 2017
  12. algebra

    Suppose x can be expressed as a function of y by x = 5y − 3. a. How can y be expressed as a function of x? b. What is the relationship between the slopes of the two linear equations? c. How do the x-intercepts and y-intercepts of the two equations

    asked by Math on April 18, 2017
  13. math

    Suppose that there are two functions, f and g. The domain of f is the interval [-2,10] and the range of f is the interval (-15,2]. The domain of g is the interval (-5,7) and the range of g is the interval [-2,3). Determine all information that you can

    asked by G on March 24, 2015
  14. Science

    Suppose a large atom bonds with a small atom. Predict whether the properties of the new molecule will be the same as the large atom, the same as the small atom, or different from both atoms.

    asked by Amber on November 19, 2008
  15. Statistics

    Suppose that 92% of all SFSU students own a cell phone. Find the probability that 7 out of 10 random selected SFSU students own a cell phone

    asked by Mitch on February 24, 2011
  16. calculus

    Suppose f of x equals 3 times x minus k when x is less than 5 and equals 1 plus k times x when x is greater than or equal to 5.Find the value of k that would make f continuous at x = 5. -3 0 7/3 no such k will make f continuous

    asked by ashley on February 5, 2014
  17. Science

    Suppose the total momentum of two masses before a collision is 100 kg m/s. What is the total momentum of the two masses after they collide? A. 0 kg m/s B. 50 kg m/s C. 100 kg m/s D. 200 kg m/s Is the answer D? Thank you

    asked by Callie on February 3, 2015
  18. physics

    You are traveling on an airplane. The velocity of the plane with respect to the air is 180 m/s due east. The velocity of the air with respect to the ground is 40 m/s at an angle of 30° west of due north. 1)What is the speed of the plane with respect to

    asked by aaa on September 17, 2011
  19. Physics

    You are traveling on an airplane. The velocity of the plane with respect to the air is 110.0 m/s due east. The velocity of the air with respect to the ground is 39.0 m/s at an angle of 30° west of due north. 1) What is the speed of the plane with respect

    asked by David on September 5, 2012
  20. Physics

    You are traveling on an airplane. The velocity of the plane with respect to the air is 140 m/s due east. The velocity of the air with respect to the ground is 34 m/s at an angle of 30° west of due north. 1)What is the speed of the plane with respect to

    asked by Rayan on February 14, 2018
  21. art

    Ketchup is a non-traditional material, but the artist used it in his protest piece against fast food restaurants because of it's ability to a. resist decay b. convey a message c. deteriorate quickly d. attract flies I think that it's b but I'm not sure

    asked by A-Name on January 23, 2015
  22. Math

    The angles of elevation θ and ϕ to an airplane are being continuously monitored at two observation points A and B, respectively, which are 5 miles apart, and the airplane is east of both points in the same vertical plane. (Assume that point B is east of

    asked by anonymous on March 17, 2019
  23. social studies

    can anyone answer these I have some answers it's either Peter the great or Cathrine the great Peter is p Catrine is c fought Poland and the Ottoman Empire to gain land in Eastern Europe p** c fought Sweden to gain access to the Baltic p** c built St.

    asked by cloe on October 5, 2018
  24. social studies

    can anyone answer these I have some answers it's either Peter the great or Cathrine the great Peter is p Catrine is c fought Poland and the Ottoman Empire to gain land in Eastern Europe p** c fought Sweden to gain access to the Baltic p** c built St.

    asked by cloe on October 2, 2018
  25. Algebra

    Austin drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took 8 hours. When Austin drove home, there was no traffic and the trip only took 5 hours. If his average rate was 21 miles per hour faster on the trip home,

    asked by Roger on November 1, 2015
  26. Calculus

    The density of people (number of people per mile) during the evening rush hour for the 5-mile stretch along a certain sidewalk in New York is given by f(x), where x is the distance in miles north of the subway station. Which of the following gives the

    asked by Alice on March 23, 2019
  27. Math

    This week Bob puts gas in his truck when the tank was about half empty. Five days later, Bob puts gas again when the tank was about three fourths full. If Bob bought 24 gallons of gas, how many gallons does the tank hold?

    asked by Chim on July 26, 2018
  28. Chemistry

    which description applies to a system in a sealed flask that is half full of water? (sorry about that) A. only evaporation occurs, but it eventually stops. B. only condensation occurs, but it eventually stops. C. Neither evaporation nor condensation occurs

    asked by Jazmin F. on March 9, 2011
  29. AP Chemistry

    Q - Aluminum metal reacts with zinc(II) ion in an aqueous solution by the following half-cell reactions: Al(s) → Al3+(aq) + 3e− Zn2+(aq) + 2e− → Zn(s) Predict the potential of the cell under standard conditions. Predict whether the reaction will

    asked by Jessica AP Chemistry on July 6, 2016
  30. artist

    1. The artwork pictured here best represents which message? a) Ideas and creativity can be shown with many different tools. b) It is important to use one type of tool because you understand how to use it. c) People can be limited by their ideas. d)

    asked by Sarah on October 30, 2014
  31. Physics

    At the entrance channel of a harbor, the tidal current has a velocity of 4.94 km/hr in a direction 23.2° south of east. Suppose a ship caught in this current has a speed of 15.6 km/hr relative to the water. If the helmsman keeps the bow of the ship aimed

    asked by Lindsay on October 18, 2007
  32. English

    I need help bad, what exactly am I suppose to write about with this question. I just need to know what this question is asking. Here is the question: “Locate two books or internet sources on the career of Edgar Allen Poe. On the basis of information you

    asked by Anonymous on September 19, 2010
  33. Chemistry

    Nitrogen dioxide reacts with water to form nitric acid and nitrogen monoxide according to the equation: 3 NO2 (g)+ H2O (l) --> 2HNO3 (l) + NO (g) Suppose that 5 mol NO2 and 1 mol H2O combine and react completely. How many moles of the reactant in excess

    asked by Anonymous on October 22, 2015
  34. Physics

    We commonly see Superman being shot and bullets bounce off of him. Suppose Mr. Bad shoots Superman with 4.00 kg bullets at a rate of 100 bullets/min for 9.00 s. If the speed of each bullet is 480.00 m/s and rebounds straight back with no change in speed,

    asked by Anonymous on July 22, 2015
  35. Economics

    Suppose the market wage for farmers is $10 per hour in country A and $20 per hour in country B, there is the same number of people in both countries, there is the same amount of arable land, and initially there is no way for farmers to move between A and

    asked by wellington on April 27, 2015
  36. statistics

    Suppose that about 20% of those called will find an excuse (work, poor health, travel out of town, etc.) to avoid jury duty. If 14 people are called for jury duty, what is the probability that all 14 will be available to serve on the jury? Round your

    asked by karen on August 20, 2010
  37. Physics

    A sports car with a very powerful engine driving on a surface with a coefficient of static friction µs = 0.8 wants to accelerate from a stop to 100 km/hr. (You may neglect air resistance.) a) What is the fastest that the car can accomplish this? b) How

    asked by ji on April 25, 2015
  38. Organic Chem

    Bromine will react with limonene according to this reaction (there's a picture, but I can't get that on here. So I'll do my best to write it out). 136.23 g/mol + Br2 ------> 296.04 g/mol Suppose 627 mg of limonene was reacted with 3.7 mL of a 7.7% (v/v)

    asked by Marvin on November 2, 2011
  39. Math - Algebra word problem

    Ace manufacturing has determined that the cost of labor for producing x transmissions is L(x) = 0.3x2 + 400x + 550 dollars, While the cost of materials is M(x) = 0.1x2 + 50x + 800 dollars. Write a polynomial T(x) that represents the total cost of materials

    asked by Ashley on November 14, 2009
  40. Trig

    A ferris wheel has a 14 meter diameter and turns counterclockwise at 6 rpm. a) Assuming that the center of the wheel is the origin of an x-y coordinate plane, write functions to find the position (x,y) of a rider that starts at the bottom of the wheel. b)

    asked by Lisa on April 8, 2012
  41. Science

    What is the distance an object travels per unit of time? It's called the speed Depends on the velocity (speed), if the speed is 10mph, then the object would travel 10 miles (distance) per hour (unit of time). I'm unsure what your answer is saying, because

    asked by Ginger on September 18, 2006
  42. calculus

    A candy company needs a custom box for their truffles. The box they've chose is in the shape of a cylinder with a hemisphere of the same radius on top. The total volume of the box is V= (1/2) ((4pir^2)/(3))+ pir^2 (y-r), where y is the height of the box

    asked by Equihua on January 4, 2013
  43. math

    Michel wants to buy his mother handmade chocolates for Mothers Day. He has $15.oo to spend. The price of each chocolate is given below. Fudge $0.60 NutClusters $0.75 Truffles $0.80 a)create and solve an equation for each type of chocolate to determine how

    asked by sara on December 18, 2011
  44. Sociology

    Can someone help me with my three questions and let me know if I answered them correctly Thanks 1 According to world systems analysis, the U.S., Japan, and Germany are all core nations. I chose (true)=A A) True B) False 2) Which population group represents

    asked by Sharon on April 26, 2011
  45. Math

    Flora traveled 795miles from Dalls to Atlanta . then she traveled 841miles from Atlanta to new york . About how many miles did Flora travel in all? Answer,, 795+841=1636 The answer ,,,add or multipiy. 2/ A square box holds 49 teniss balls. What

    asked by Joji on November 23, 2013
  46. Geometry

    A scientist is plotting the circular path of a particle on a coordinate plane for a lab experiment. The scientist knows the path is a perfect circle and that the particle starts at ordered pair (-5, -11). When the particle is halfway around the circle, the

    asked by Donna on June 9, 2015
  47. Math

    A rocket tracking station has two telescopes A and B placed 1.9 miles apart. The telescopes lock onto a rocket and transmit their anlges of elevation to a computer after a rocket launch. what is the distance to the rocket from telescope B at he moment when

    asked by Anonymous on March 4, 2010
  48. Math

    I need help! What is the area of the triangular floor space enclosed by the glass tetrahedron? Round to the nearest tenth of a square foot. Enter only the number. ( Hint : Look at the green triangle to find the base, b , of each green triangle. Because b

    asked by Bri on March 1, 2019
  49. Science

    1.Two stones are dropped from the top of a tower at an interval of 3 seconds.the relative velocity of the first Stone with respect to the stone at any instant during their fall is?? 2.if density, acceleration and force are taken as basic quantities, then

    asked by Nasrin on July 18, 2016
  50. Earth Science

    1. We start with 400 atoms of Uranium-238. How many remain after 4.5 billion years? _______ After 9 billion years? _______ After 13.5 billion years? ________ 2 . How long will it take for ½ of the original amount of Rubidium-87 to decay? _______ 3.

    asked by 아, 깹송~ on February 8, 2017
  51. English

    Did anybody read a poem "News" by George Bowering? Every day I add an inch to the pile of old newspapers in the closet In that three foot pile now, a dozen airliner crashes, one earthquake in Alaska, seventeen American soldiers face down in Asian mud. I

    asked by Victoria on January 6, 2009
  52. Chemsitry

    Tris is an abbreviation for tris (hydroxymethyl) aminomethane, which is a weak base. Calculate how many grams of tris (mw=121.14g/mol) are needed to make 25mL of 0.10M tris solution. Calculate how many mL of 0.25M HCl are needed to convert half of the

    asked by Cassandra on April 2, 2012
  53. Alabama

    gaseous butane reacts with gaseous oxygen gas to produce gaseous carbon dioxide and gaseous water. Suppose 38.9 g of butane is mixed with 35. g of oxygen. Calculate the maximum mass of water that could be produced by the chemical reaction. Round your

    asked by John on April 8, 2017
  54. physics

    a) suppose u walk 18m straight west and then 25m straight south. how far are u from your starting point, and what is the compass direction of a line connecting your starting pointto your final position? b) repeat again, but now you first walk 25m north and

    asked by wan on September 25, 2018
  55. physics

    A horizontal slingshot consists of two light, identical springs (with spring constants of 37.7 N/m) and a light cup that holds a 1.37-kg stone. Each spring has an equilibrium length of 50 cm. When the springs are in equilibrium, they line up vertically.

    asked by Anonymous on December 14, 2012
  56. math

    Suppose that people's heights (in centimeters) are normally distributed, with a mean of 170 and a standard deviation of 5. We find the heights of 60 people. (You may need to use the standard normal distribution table. Round your answers to the nearest

    asked by leelee kay on June 3, 2014
  57. Chemistry

    Suppose a student diluted and titrated a bleach unknown exactly as described in the experimental procedure, except only a single titration was performed which required 16.22 mL of 0.100 M Na2S2O3. The density of the original, undiluted bleach unknown was

    asked by Eric on March 1, 2017
  58. physics-HELP

    Suppose that you let the masses m1 and m2 slide (without adding the third mass). a. what is the acceleration of the mass 25g? Hint: Identify the force that produces the motion and the one that opposes and write the equation for the net force. b. what is

    asked by kim on December 2, 2008
  59. i need help please!!

    Suppose that you let the masses m1 and m2 slide (without adding the third mass). a) What is the acceleration of the mass 25g? Hint: identify the force that produces the motion and the one that opposses and write the equation for the net force. b) What is

    asked by lulu on December 2, 2008
  60. physics

    a) suppose u walk 18m straight west and then 25m straight south. how far are u from your starting point, and what is the compass direction of a line connecting your starting pointto your final position? b) repeat again, but now you first walk 25m north and

    asked by wan on September 25, 2018
  61. math

    Can someone help me with the equation and I will doing the answer During the past few years Great Britian's pund has been worth between $1 and $2 in US currency. Suppose the rate of exchange is $1.50 for each pund. a. What is the value in dollars for 5

    asked by Taylour on April 15, 2007
  62. Chemistry

    Calculate ΔG° for the following reaction at 298 K.? A+B --> 2D ΔH° = 775.0 kJ ΔS°=296.0 J/K C --> D ΔH° = 446.0 kJ ΔS°=-218.0 J/K A+B --> 2C ΔG° = ? kJ I know I am suppose to reverse the (C --> D) and add a coefficient of 2 to both the enthalpy

    asked by Alexis on April 20, 2014
  63. economics

    Suppose two competing airlines that service passengers only between Bozeman, Montana, and New Haven, Connecticut would like to merge. These two airlines have the best chance of securing a merger if they argue that their market is for: a. airline travel

    asked by J Hayes on September 21, 2007
  64. Chemistry

    Suppose a student diluted and titrated a bleach unknown exactly as described in the experimental procedure, except only a single titration was performed which required 16.22 mL of 0.100 M Na2S2O3. The density of the original, undiluted bleach unknown was

    asked by Eric on March 1, 2017
  65. Physics

    Suppose that you let the masses m1 and m2 slide (without adding the third mass). a) What is the acceleration of the mass 25g? Hint: identify the force that produces the motion and the one that opposses and write the equation for the net force. b) What is

    asked by lulu on December 2, 2008
  66. binomial probabbility

    The author purchased a slot machine configured so that there is a 1/2000 probability of winning the jackpot on any individual trial. Although no one would seriously consider tricking the author, suppose that a guest claims that she played the slot machine

    asked by bibi on September 23, 2011
  67. Algebra

    A soda machine has flavors cola, root beer, an lime.Second machine has lemon, orange, cola, and cherry. What represents all flavors in the 2 machines? My answer: cola, cola, root beer, lime, lemon, orange, and cherry

    asked by Tricia on October 4, 2014
  68. College Chemistry

    In a reaction vessel, the following reaction was carried out using 0.250 mol of NH3(l) and 0.100 mol of N2(g). 4NH3(l) + N2(g) ¡ú 3N2H4(l) Which of the following represents the composition in moles in the vessel when the reaction reaches completion?

    asked by Lisa on March 26, 2012
  69. math

    San Pablo is having a festival. Tickets for children under 12 cost $2, adult tickets are $6 and senior citizen tickets are $3. One sixth of the tickets sold were children’s tickets. The 40 senior citizens with tickets sat in the shade under the trees and

    asked by maggie on January 26, 2017
  70. Micreconomics

    Using a supply and demand diagram, illustrate the impact of each of the following on price and quanity demanded: a. Improvements in transportation lower the cost of importing oil into the United States of the 1960. b. After the 1973 war, oil producers cut

    asked by Mike on January 12, 2011
  71. AP Physics

    #2 A spy stands on the sidewalk by an apartment building examining a foreign embassy across the street. The spy then climbs 30 m to the top the building and then slides 40 m along a wire at a 20° angle below right to reach a window on the embassy. What is

    asked by dilated on August 29, 2013
  72. Calculus - Optimization

    A parcel delivery service a package only of the length plus girth (distance around) does not exceed 24 inches. A) Find the dimensions of a rectangular box with square ends that satisfies the delivery service's restriction and has a maximum volume. What is

    asked by Jess on November 16, 2013
  73. physics

    An earthquake generates three kinds of waves: surface waves (L waves), which are the slowest and weakest; shear (S) waves, which are transverse waves and carry most of the energy; and pressure (P) waves, which are longitudinal waves and travel the fastest.

    asked by maria on October 24, 2011
  74. algebra

    Use the fact that after 5715 years a given amount of carbon 14 will have decayed to half the original amount to find the exponential decay model for carbon 14. In 1947, earthenware jars containing what was known as the Dead Sea scrolls were found by an

    asked by Kristina on April 12, 2014
  75. chemistry

    I have: the half life of U-238 is 4.5 x 10^9 yr. A sample of rock of mass 1.6g produces 29 disintegrations per second. find percent by mass of U-238 in rock. I have 4.5x 10^9x60x60x365x24=1.419x 10^17= .693/1.419 x10^17 =4.883x10^-18 =rate 1.6/238=.006722

    asked by Nancy on June 17, 2012
  76. math

    There are fifty marbles in a sack: red, blue and green. There are ten more green than blue marbles in the sack. The probability of drawing a red or blue marble is one-half. Write and solve an equation to determine how many of each color marble is in the

    asked by Mai on March 29, 2011
  77. Math of investigation

    Two identical circles are to be cut from a 12cm by 9cm sheet of paper. What is the maximum possible radius of these circles? Show that if the length of the sheet of paper is twice the breadth of the paper, then the radius of the largest circles which can

    asked by Sandy on July 4, 2016
  78. ss

    what was the minimum requirement in order for the bill of rights to be added to the Constitution A. one-quarter of the states had ratify the amendments. B. one-half of the states needed to ratify the amendments. C. two-thrids of the states had to ratify

    asked by Help on September 28, 2017
  79. math

    Six hundred people came to the band concert that was held on the school's athletic field. half of the people sat in the bleachers. one third of the people sat in chairs on the track. the rest of the people sat on the grass. How many sat on the grass? In

    asked by Anonymous on January 31, 2013
  80. Algebra

    There is a single track connecting Pittsburgh to Boston. The length of the track is 478 miles. Train A leaves Pittsburgh at 11:15 am traveling 87 mph. Train V leaves Boston at Noon traveling 99 mph. At what time will they crash? Where will they crash

    asked by Patricia on March 19, 2019
  81. Math

    The formula s = the square root of 18d can be used to fnd the speed s of a car in miles per hour when the car needs d feet to come to a complete stop after slamming on the brakes. If it took a car 12 feet to come to a complete stop after slamming on the

    asked by Jordan on September 27, 2012
  82. algebra

    If y=35+0.8x gives the distance of the sports car from Flint after x minutes. find the following a. How far is the sports car from Flint after 25 minutes? b.How long will it take until the sports car is 75 miles from Flint? Show how to find the solution

    asked by confused and need an answer. on December 1, 2010
  83. Math Homework Help!

    I made a lot of typos the first time i wrote it so i rewrote and edited the question Both antibiotics were prescribed in high dosage slow release capsules. The function C(x) = 5log(x+1)+10 models the concentration of levofloxacin in mol/L over a time x, in

    asked by Anonymous on July 8, 2018
  84. Physics

    Suppose that a steel hoop could be constructed to fit just around the earth's equator at a temperature of 20.0 Celsius. What would be the thickness of space between the hoop and the earth if the temperature of the hoop were increased by 0.200 C? Use

    asked by Mike on May 17, 2010
  85. Quantum Physics

    Suppose Alice starts with two qubits in the Bell state 1/√2 (|00> + |11>) and teleports these qubits to Bob by applying the quantum teleportation protocol to each qubit separately. (a) What is the state of the two qubits received by Bob? |00> = |01> =

    asked by qwerty on March 3, 2013
  86. chemistry- Thank you

    Suppose you add 81 ml of dilute acid to 54 ml of water. Both the water and acid were at room temperature (22 C) before being mixed. The temperature of the solution increased to 42 C. How much energy (in kJ) was released by the dissolution of the acid if

    asked by Jazmin on October 17, 2010
  87. Chemistry

    Suppose 26.0g of sodium bromide is dissolved in 150mL of a 0.60M aqueous solution of silver nitrate. Calculate the final molarity of bromide anion in the solution. You can assume the volume of the solution doesn't change when the sodium bromide is

    asked by Angie on July 26, 2014
  88. English - capitalization

    The president invited Senator Smith to the White House for a meeting before preparing his address to the United States congress. Which of the following is an error in capitalization in the sentence above? A. The word "House" should be lower case. B. The

    asked by John on January 6, 2016
  89. Algebra

    an arrow is shot straight up from a cliff 58.8 meters above the ground with an initial velocity of 49 meters per second a. write an equation that represents this situation b. Transform the equation to the format that can most easily be used to find the

    asked by Jabari on March 19, 2017
  90. Algebra

    A community college campus plans to construct a rectangular parking lot on land bordered on one side by a highway. There are 640 feet of fencing available to fend the other three sides. Let x represent the length of each of the two parallel sides of

    asked by Shannon on November 26, 2014
  91. eng 12

    I got to analyze suzukis history at our peril. How should i present my analysis? suppose to tell why its expository? then provide examples. Should i state why in the first paragraph why its expoisitory? ie he talks about how humans need to protect the

    asked by ben on October 22, 2008
  92. physics

    We are doing the force table lab in class and now we are calculating the f equilibran and the equilibrant angle. I had no time graphing a solution and came up with the right answers by measuring, but we are also suppose to do it purely mathematically and I

    asked by Pat on June 7, 2013
  93. Math

    This question is from my workbook (Pre-Calculus 11). Can someone please help me understand it? Suppose theta is an angle in standard position with terminal army in quadrant III and tan theta = 6/3. Determine the exact calues of the other two primary

    asked by David on February 24, 2012
  94. physics

    A person of mass m jumps off the ground. Suppose the person pushes off the ground with a constant force of magnitude F for T seconds. What was the magnitude of the displacement of the center of mass of the person while they were in contact with the ground?

    asked by Anonymous on October 24, 2013
  95. Chemisty

    Consider the reaction of sulfuric acid, H2SO4, with sodium hydroxide, NaOH. H2SO4(aq) + 2 NaOH(aq) -> 2H2O(l) + Na2SO4(aq). Suppose a beaker contains 35.0mL of 0.175M H2SO4. How many moles of NaOH are needed to react completely with sulfuric acid? Thank

    asked by Mandy on October 22, 2014
  96. Physics

    Suppose the observed motion of a moving airplane, illustrated by a distance vs. time graph, is nearly a straight line with zero distance traveled at zero time. State what this shows about the relationship between distance and time, name the type of

    asked by Gianna on October 17, 2013
  97. Physics

    Suppose there is a small hole (radius=0.0203) at the base of a large tank. If the height of water in the tank is 15m (a) what is the speed of water escaping through the hole? (b) Calculate the amount of water (in cubic meters per second) escaping the tank.

    asked by Jamie on November 27, 2012
  98. physics

    An 18 kg curling stone sliding on a sheet of ice hits a rough patch on the ice where the coefficient of friction increases from 0.13 to 0.28. It enters this rough patch with a speed of 2.2 m/s and leaves with a speed of 1.4 m/s. How long is the rough

    asked by XOXOX on October 24, 2015
  99. physics

    At a track-and-field meet, the best long jump is measured as 8.00 m. The jumper took off at an angle of 46° to the horizontal. (a) What was the jumper’s initial speed? (Neglect air resistance.) 1 m/s (b) If there were another meet on the Moon and the

    asked by joe on October 20, 2011
  100. maths

    K, Q1.A sphere of radius 5cm is lowered into a rectangular tank 50cm long and 20cm wide containing water to a depth of 10cm.The sphere floats with half of its surface above the level of the surface of the water Calculate (a)the volume of the sphere, (b)the

    asked by Christopher on January 29, 2016