1. Mechanical Principles

    I have a question on fluids. Water in a section 1.2m wide, 2m high. retained by sluice gate that can pivot about its base. There is a retaining cable at the top of the gate. Determine tension in the retaining cable at the top of the gate when the depth of

    asked by Danny on April 13, 2015
  2. LA

    Both Ernesto from barrio boy and the boy in A day's wait interact with adults. Ernesto interacts with Ms. Ryan, while the sick boy interacts with his father. In a paragraph, compare and contrast how the boys interact with the adult. focus on how the boys

    asked by A person that needs help. on January 8, 2018
  3. physic

    Hi! please help A sledge loaded with bricks has a total mass of 17.8 kg and is pulled at constant speed by a rope inclined at 20.8° above the horizontal. The sledge moves a distance of 20.6 m on a horizontal surface. The coefficient of kinetic friction

    asked by Chan on October 20, 2009
  4. Physics

    (a) How high a hill can a car coast up (engine disengaged) if work done by friction is negligible and its initial speed is 110 km/h? (b) If, in actuality, a 750-kg car with an initial speed of 110 km/h is observed to coast up a hill to a height 22.0 m

    asked by Anonymous on June 10, 2014
  5. Physics

    I have a question on fluids. Water in a section 1.2m wide, 2m high. retained by sluice gate that can pivot about its base. There is a retaining cable at the top of the gate. Determine tension in the retaining cable at the top of the gate when the depth of

    asked by Danny on April 13, 2015
  6. Economics

    6. The chapter uses the analogy of a "leaky bucket" to explain one constraint on the redistribution of income. a. What elements of the U.S. system for redistributing income create the leaks in the bucket? Be specific. b. Do you think that Republicans or

    asked by Sarah on March 1, 2007
  7. 5th grade Math

    Can you check my answer? 4. Solve. 6 tenths = ___ thousandths Answer = 600 5. Write 347.392 in expanded form. Answer: (3*100)+(4*10)+(7*1)+(3* 1/10) + (9*1/100)+ (2*1/1000) 9. Write in standard form (number name) for: three thousand four hundred eight-two

    asked by Jared on October 7, 2017
  8. physics

    The position vector r of a particle moving in the xy plane is r=2ti+2sin[(pi/4)t]j , with is in meters and t in seconds. (a) Calculate the x and y components of the particle's position at , and 4.0 s and sketch the particle's path in the plane for the

    asked by Anonymous on March 10, 2013
  9. Math

    People end up tossing 12% of what they buy at the grocery store (Reader's Digest, March 2009). Assume this is the true population proportion and that you plan to take a sample survey of 540 grocery shoppers to further investigate their behavior. a.Show the

    asked by Vanessa on April 16, 2014
  10. Statistics

    People end up tossing 12% of what they buy at the grocery store (Reader's Digest, March 2009). Assume this is the true population proportion and that you plan to take a sample survey of 540 grocery shoppers to further investigate their behavior. a.Show the

    asked by Vanessa on April 16, 2014
  11. statistics

    People end up tossing 12% of what they buy at the grocery store (Reader's Digest, March 2009). Assume this is the true population proportion and that you plan to take a sample survey of 540 grocery shoppers to further investigate their behavior. a.Show the

    asked by Vanessa on April 15, 2014
  12. statistics

    People end up tossing 12% of what they buy at the grocery store (Reader's Digest, March 2009). Assume this is the true population proportion and that you plan to take a sample survey of 540 grocery shoppers to further investigate their behavior. a. Show

    asked by Vanessa on April 14, 2014
  13. ss

    1.What were supporters of the U.S. Constitution called? A. Pundits B. Constitutionalists C. Federalists D. Patriots 2.Why was Georgia so quick to ratify the Constitution? A. Georgians feared that a war with the Creek Indians was coming. B. Georgian

    asked by James on August 20, 2018
  14. Math

    Solve. log(x^3)-log(2)=log(2x^2)

    asked by Mark on October 14, 2009
  15. algebra

    If LOGx (A)=0.7 and LOGx (B) =0.5 how do I solve LOGx (B/A)

    asked by Irma on April 5, 2010
  16. math

    3xsquared + 27 = 5 3xsquared -5x = -3xsquared + 6 SOLVE

    asked by katy on April 9, 2013
  17. Algebra

    Solve. .25(250)+250/250

    asked by Kelly on October 27, 2011
  18. math

    x=-2 output=12 x=1 output =9 x=4 output =6 help me solve

    asked by jack on February 9, 2011
  19. math

    x=-2 output=12 x=1 output =9 x=4 output =6 help me solve

    asked by jack on February 9, 2011
  20. math

    Solve 3 log x = 1 + log (4x+5)/ log 2

    asked by lindsay on July 10, 2014
  21. Math

    Solve X=8(mod 11), X=9(mod 12), X=10(mod 13)

    asked by Morris on December 2, 2010
  22. math grade 12

    Solve. log(x^3)-log(2)=log(2x^2)

    asked by Mark on October 14, 2009
  23. Math

    (2 + sqrt 2)/(2 - sqrt 2) = (x)/(3 + sqrt 10) How to solve for x?

    asked by Anonymous on April 26, 2014
  24. math

    x=-2 output=12 x=1 output =9 x=4 output =6 help me solve

    asked by jack on February 9, 2011
  25. chem

    HCl is a strong acid and ionizes 100%. NaOH is a strong base and ionizes 100%. We have no way of knowing the pH of HCl + H2O because the problem doesn't state the amount of HCl added or the concentration of HCl. For the NaOH + HCl ==> NaCl + HOH. NaCl in

    asked by DrBob222 on May 15, 2007
  26. World History

    How did the Industrial Revolution introduce justifications for imperialism? (Select all that apply.) Industrialized nations sought to bring technological knowledge to Africa and Asia. Industrialized nations sought colonies to deport people who would work

    asked by Help on March 19, 2019
  27. math(HELP PLEASE)

    can someone please answer these 2 questions please..with the work and answer,ive been stuck on for a while and just wanna sleep but thanks. Find the unit price for each option shown below. Round to the nearest cent when necessary. Indicate which option is

    asked by Anonymous on February 11, 2014
  28. history

    How did the Industrial Revolution introduce justifications for imperialism? (Select all that apply.) Industrialized nations sought to learn from the economic systems within Africa. Industrialized nations sought colonies for natural resources to power their

    asked by need some help please on January 10, 2019
  29. History

    Which accurately compares the theology that dominated during the Middle Ages with the philosophy that came to prominence during the Renaissance? (Select all that apply.) the middle ages followed humanist ideals, whereas as renaissance followed a feudal s

    asked by malia on October 11, 2017
  30. History

    Which accurately compares the theology that dominated during the Middle Ages with the philosophy that came to prominence during the Renaissance? (Select all that apply.) the middle ages followed humanist ideals, whereas as renaissance followed a feudal s

    asked by malia on October 11, 2017
  31. Chemistry

    What is the Pb2+ concentration in a saturated solution of PbCl2 if the concentration of chloride ion is 0.023 M? Units: M ksp = 1.72x10^-5 i can't seem to get the answer. i have tried and ICE diagram and going from there: PbCl2 (s) Pb ^2+ = 2Cl- I: 0.023 M

    asked by Lynn on April 3, 2017
  32. Chemistry

    A mixture initially contains A,B, and C in the following concentrations: A1 = 0.300 M, B1 = 1.15M, and C1 = 0.350 M. The following reaction occurs and equilibrium is established: A+2B C At equilibrium, A2 = 0.190M and C2 = 0.460M. Calculate the value of

    asked by Saira on February 5, 2009
  33. Calc

    This problem is really weird. I have to explain why MVT applies for f(x)=2sinx-sin2x on the closed interval 7pi,8pi and then determine all values of c in the interval (7pi,8pi) that satisfies the conclusion of the theorem. However, the condition of MVT is

    asked by Anoop on December 5, 2016
  34. AP Chemistry

    I am honestly lost on this question and you can't proceed without solving the first on, so if anyone would be so inclines to help me out Aluminum metal reacts with zinc(II) ion in an aqueous solution by the following half-cell reactions: Al(s) → Al3+(aq)

    asked by Damien on February 12, 2018
  35. Chemistry

    Need help on a lab results write-up. The lab is the synthesis and analysis of a transition metal complex. General reaction was stated as: Fe(III) + x(acac) -> Fe(acac)x - we were to determine x by completing experiment. x = 1, 2, 3, 4... acac = 2, 4

    asked by Leah on February 14, 2013
  36. CHEMISTRY- answer check

    A 0.386g sample of a protein was dissolved in water and made up to a volume of 60mL at 21.0°C. At this temperature the osmotic pressure of this solution was 1.24mmHg. Calculate the molecular mass of the protein 12682 g mol-1 95025 g mol-1 9627613 g mol-1

    asked by lulu on October 9, 2010
  37. Chemistry

    The quantity of antimony in a sample can be determined by an oxidation-reduction titration with an oxidizing agent. A 7.79-g sample of stibnite, an ore of antimony, is dissolved in hot, concentrated HCl(aq) and passed over a reducing agent so that all the

    asked by Jackie on April 23, 2017
  38. Chemistry

    Please help! I don’t know where to start and I need step by step on how to solve: A gaseous mixture inside a rigid steel vessel contains 75% CO2(g) and 25% H2O (g) by volume at 175 degrees Celcius and 225 kPa. The mixture is then cooled to 0 degrees

    asked by Jacqueline on April 26, 2018
  39. Chemistry URGENT

    I am having a hard time understanding how to calculate pH. my textbook states that that pH =-log[H^+]. I have two questions that asks: What is the H^+ concentration in an acid with of pH 4.6? Express your answer as a power of 10. What is the H^+

    asked by jazz on April 24, 2014
  40. Intermediate Algebra Word Problem

    A river's current is 4mph. A boat travels 48 miles downstream in the same time it travels 24 miles upstream. Find the speed of the boat. A) What does the variable stand for? x stands for the speed of the boat. B) Write the equation. 24/x - 4 = 48/x + 4 C)

    asked by Jennifer on February 11, 2009
  41. maths equations

    could you please help me on this equation r = sx2/2t im really stuck Your non-use of parenthesis makes in difficult to know what the equation is. What are you trying to do with the equation? sorry im trying to make x the subject divide each side by s r/s=

    asked by bex on May 13, 2007
  42. Math(Please help)

    Projectile motion: Let's suppose you throw a ball straight up with an initial speed of 50 feet per second from a height of feet. a) Find the equation that describes the motion as a function of time. My answer was x = 0 and y=-16t^2+50t+6 b) How long is the

    asked by Abbey on April 16, 2010
  43. Algebra Help

    1. You have recently found a location for your bakery and have begun implementing the first phases of your business plan. Your budget consists of an $80,000 loan from your family and a $38,250 small business loan. These loans must be repaid in full within

    asked by Mark on September 4, 2008
  44. math

    there are six time zones in the united states. the easter part of the US is in the easter time zone. The central part of the US is in the central time zone, which is ne hour behind eastern time. san diego is in the pacific time zone, which is 3 hours

    asked by jen on August 31, 2009
  45. math

    the function b(x)=2 x-5 determines how many bags of dog food needs to be purchased for an animal shelter, where x is the number of dogs at the shelter. the shelter manager uses m(b(x)) to find the amount of money to bring for the dog food purchase. the

    asked by Meee on June 6, 2014
  46. metreology

    Wien’s radiation law says that the wavelength of most intense radiation (λmax) emitted by a blackbody is inversely proportional to the absolute temperature (T) of the object. The surface of the Sun radiates as a blackbodyat a temperature ofT=6000

    asked by larry on December 22, 2015
  47. Algebra I

    Hi, I would like someone to explain to me the process to get to the answer of these questions. (The answers are in the back of the book, but I don't understand how to get them myself): QUESTION ONE Warren has 40 coins (all nickels, dimes, and quarters)

    asked by A on November 12, 2010
  48. Chemistry

    Could you show me where to start on solving this equation? The reaction in question will be carried out in a calorimeter. The volume of the chamber inside is 2.00 L. Experiment starts by evacuating the chamber to 0.00 kPa. Then oxygen gas is filled into

    asked by Amber on April 14, 2017
  49. Chemistry

    Could you show me where to start on solving this equation? The reaction in question will be carried out in a calorimeter. The volume of the chamber inside is 2.00 L. Experiment starts by evacuating the chamber to 0.00 kPa. Then oxygen gas is filled into

    asked by Amber on April 16, 2017
  50. Chemistry

    Could you show me where to start on solving this equation? The reaction in question will be carried out in a calorimeter. The volume of the chamber inside is 2.00 L. Experiment starts by evacuating the chamber to 0.00 kPa. Then oxygen gas is filled into

    asked by Amber on April 13, 2017
  51. Chemistry

    What is the molar heat of reaction? When 0.732 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 119C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC.

    asked by Chris on February 17, 2010
  52. Statistics

    Please Help! If someone could just show me how to do a problem like this! The corrosive effects of various soils on coated and uncoated steel pipe was tested by using a dependent sampling plan. The data collected are summarized below, where d is the amount

    asked by Casey on October 29, 2013
  53. Math - What is the length of the train??????

    I have NO IDEA on how to tackle the following problem. This question has stumped me for like...2 hours now...and I don't know what to do... If someone could please show me a step by step on solving it, please post! Problem: -------- Two people stand back

    asked by Anonymous on November 27, 2007
  54. math stuff

    Do the exact calculation: 7182 x 2123= ________ Approximate to the nearest hundred _____x_____=__________ Difference between exacct and approximate value=_______ Can you help me with another problem too? N of the 20 coins are quarters and the rest are

    asked by Marisol on April 7, 2007
  55. Precalculus

    Show: sin(a-b) sin(a+b) = sin^2 a - sin^2 b

    asked by Nicole on April 21, 2014
  56. Physics

    a person pushes on a hockey puck with their stick at an angle so the vertical force is 22N down and the horizontal force is 45N forward. Assume the ice is frictionless. What is the actual force the hockey player transmits to the puck? what is the work done

    asked by Anonymous on May 29, 2014
  57. English

    1. Please water the plants while I am away. 2. Please water the plants while I am absent. 3. Please water the plants in my absence. 4.Please water the plants while I am not here. 5. Please water the plants while I am out. 6. Please water the plants while I

    asked by rfvv on March 28, 2011
  58. English

    I need some help again with these.I have to correct faulty parallelism in the following sentences. I think I have corrected a couple but some I need help on. 1. Activities on Wednesday afternoons include fishing trips, dance lessons, and computers. 2.

    asked by Roger on June 28, 2010
  59. economics

    The manager of the international department of the McAllen Bank learns on the way to work that the ship on which a local exporter shipped some goods has sunk. The manager has received all the documents required in the letter of credit and is ready to pay

    asked by Max on June 27, 2008
  60. classroom instruction

    Explain how a teacher can monitor student homework o Identify a time-efficient way to monitor independent student work (other than a student raising a hand to signal a need for help). o Describe two ways to refocus student attention when students are

    asked by scooby on February 24, 2010
  61. Calculus

    1. Evaluate the function at the given numbers (correct to six decimals places). Use the results to guess the value of the limit,or explain why it does not exist. F(t)=( t^(1/3) - 1)/(t^(1/2) - 1) ; t= 1.5,1.2,1.1,1.01,1.001; The limit of F(t) as t

    asked by Anonymous on September 26, 2014
  62. A L G E B R A H ELP MS SUE.

    I THINK I MAY HAVE DONE MY HOMEWORK WRONG BECAUZE IT SAYS TO : ESTIMATE THE PRODUCT OR QUOTIENT. SO WOULD THAT MEAN TO ACTUALLY DO WORK THEN ESTIMATE THE PRODUCT OR QUOTIENT LIKE FIRST -72 X 57 = -4104 OR ESTIMATE; -4000 ? I AM CONFUSED ABOUT WHAT IM

    asked by MARKO on September 20, 2011
  63. physics help me

    Four items, all with equal masses, are used to construct the device depicted to the right. Two of the items are uniform solid disks, the smaller of which has half the radius of the other. The disks are glued together so that they share a common axle.The

    asked by Asfand on May 16, 2016
  64. physics

    Four items, all with equal masses, are used to construct the device depicted to the right. Two of the items are uniform solid disks, the smaller of which has half the radius of the other. The disks are glued together so that they share a common axle. The

    asked by ChrismB on May 17, 2016
  65. Chemistry

    A compound containing only boron, nitrogen, and hydrogen was found to be 40.3% B, 5202% N, 7.5% H by mass. If 3.301g of this compound is dissolved in 50.00g of benzene, the solution produced freezes at 1.30 degree celsius. if the freezing point depression

    asked by Temmick on November 10, 2013
  66. Math-intergration

    Show that integrate.[e^(-4x)*(cos 3x)] from 0-infinity =4/25 I got the answer(without applying limits) as, {(e^(-4x) )[3sin(3x) - 4cos(3x)]}/25 But when applying the upper limit what is the value of, {(e^(-infinity) )[3sin(3*infinity) -4cos(3*infinity) ]

    asked by Shenaya on July 29, 2017
  67. Creating an Advertisement

    Yes Ms. Sue my target is the audience. Learned about the HBC company, and now have to do a Ad on it. What could my title be? I was trying to look for a good slogan, but I don't know. I don't really want it to be as simple as...."Work for the HBC" I've

    asked by Anonymous on May 2, 2011
  68. English

    I have to write a paper on an author and then effectively persuade the audience that this author is an important and influential writer who should be included in the curriculum for a college writing course. I chose Ernest Hemingway. This is my thesis -

    asked by Gabby on March 18, 2014
  69. Algebra help needed!

    Recall that on some roads, a skid mark of length L ft. indicates that a car was traveling at least s mph, where s is approx. 2 times the square root of 5L. If a car stopped quickly from a speed of 55 mph, about how long would the skid marks be? Please note

    asked by Lindsay on May 3, 2007
  70. phscology

    Juanita is 45 years old. She has been married for 20 years and has three children. She has been employed as a retail store manager for many years. Recently, she notices that she is having a hard time reading product lists, receipts, and other documents at

    asked by Khala on July 1, 2015
  71. algerbra 1

    what is the answer to 5x-16=14-5x Just giving you the answer is not what this forum is about. We'd be defeating the purpose of you assignment by doing that. Try to work the variables to one side, say the lefthand side, and the numbers to the other side.

    asked by olivia on September 27, 2006
  72. physics

    Two spheres are mounted on identical horizontal springs and rest on a frictionless table, as in the drawing. When the spheres are uncharged, the spacing between them is 0.05 m, and the springs are unstrained. When each sphere has a charge of +1.6 £gC, the

    asked by Anonymous on February 25, 2014
  73. Chemistry: please help, I am stumped

    When nitroglycerin (C3H5N3O9) explodes, it decomposes into the following gases: CO2, N2, NO, and H2O. If 239g of nitroglycerin explodes, what volume will the mixture of gaseous produces occupy at 1.00 atm pressure and 2678oC? a. Write a balanced equation

    asked by Suzanne on April 28, 2014
  74. Algebra, Solving inequalities

    1. 5h - 9 = -16 + 6h 4 7 -7 10*** 2. 4x + 4 = 9x - 13 -8 -7 8 -3 3. Which of the following equations has an infinite number of solutions? 3x - 3 = -4x 2y + 4 - y = 16 7x + 5 = 4x + 5 + 3x *** 6y - 2 = 2(y - 1) 6. q - 12 ≥ -13 q ≥ 1 q ≥ -1 q ≥ 25 q

    asked by DoctorWhoAndPie on December 9, 2016
  75. Algebra 1

    7) Use cummutative law to find an equivalent expression. 73+yz Answer: 73(y+z) I know this one is wrong but I cannot figure out how to do the problem. 8) Simplify 6[5-9(3-1] Answer: -70 10)The formula b=30a is used in New England to estimate the minimum

    asked by deedee on November 5, 2008
  76. Physics

    A rocket is launched at an angle of 42◦ above the horizontal with an initial speed of 76 m/s. It moves for 9 s along its initial line of motion with an acceleration of 29 m/s^2. At this time its engines fail and the rocket proceeds to move as a

    asked by John on September 6, 2010
  77. Urgent Chemistry!!

    I have done everything to solve this problem and I can't get the right answer (153.8J/degrees C). Ammonium nitrate, a component of fertilizer, decomposes: NH4NO3(s) > N2O(g) + 2H2) (g) the delta H=-36.0kJ/mol. 7.65g of ammonium nitrate was allowed to

    asked by Lulu on November 20, 2008
  78. Math

    Can someone please explain this to me I don't understand it. (I don't know how to solve it) Find the measures of the complement and supplement of an angle with a measure of 60° A. Complement. 30° ; Supplement, 120° B. Complement. 330° ; Supplement,

    asked by Cate on March 13, 2019
  79. algebra

    2. How many pounds of chocolate worth $1.20 a pound must be mixed with 10 pounds of chocolate worth 90 cents a pound to produce a mixture worth $1.00 a pound? What Do I Know? What Do I Want to Know? Assign Variables Write a verbal Model: How Do I Find the

    asked by peg on November 17, 2010
  80. grography

    1) the nations of Indochina ________ share a common language share a common history share a common religion none of the above 3) which statement about austria and switzerland is not true? the alps tower above both countries unlike switzerland, austria has

    asked by poisoned rose on May 16, 2012
  81. Social Studies | Check My Answers

    Good afternoon, Jiskha tutors! Can someone please check my answers, and if they are incorrect, tell me where I can research the right answer? Thanks so much, and have a great day! :)

    asked by Anonymous on February 6, 2018
  82. Cost accounting

    each bill 1500 hours per year and receive pay of $100,000 each. Four paralegal work for the firm and each receives pay of $40,000 and works 2,000 hours per year. Overhead of $396,000 is anticipated, of which $300,000 is attorney support, and the rest is

    asked by joyce pettaway on December 13, 2010
  83. HSM210

    Mrs Sue I corrected the answers that you said I had wrong in my assignment . Do you mind checking these for me again to see if I corrected them . Thank you so much for your help. 1. The Supreme Court has a greater obligation to protect the rights of

    asked by david on January 19, 2010
  84. Chemistry

    Below are 2 word equations. For each, identify the type of equation and write a chemical equation with symbols for the word equation. (I have solved the equations but I am not sure what the question means by ``type of equation``) a) Potassium was

    asked by Anonymous on September 8, 2015
  85. Chemistry DrBob

    What is the pH of the solution created by combining 2.30 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)? mL NaOH pH wHCl pH wHC2H3O2 2.30 ________ _________ What are the pH values if you take into

    asked by Amy on May 1, 2008
  86. social studies - saudi women

    Which of the following would be an important change for most women in Saudi Arabia? A. new styles of hijabs and sharshafs B. the right to vote C. the ability to move about in public without a male relative D. employment According to what I have studied

    asked by Gourami on February 9, 2016
  87. corporate finance

    here are questions and please show how you got the answers. 6. Andrew Thompson owns 65,000 shares of Beta Enterprises. His shares have a total market value of $1,820,000. In total, Beta Enterprises has 250,000 shares outstanding. Each share is entitled to

    asked by pattikake on November 13, 2009
  88. Statistics

    Do you drink the recommended amount of water each day? Most Americans don't! On average, Americans drink 5.4 eight-oz servings of water a day. A sample of 36 education professionals was randomly selected and their water consumption for a 24-hour period was

    asked by needhelp on July 23, 2014
  89. Chemistry

    You have two beakers, one filled to the 100-mL mark with sugar (the sugar has a mass of 180.0 g) and the other filled to the 100-mL mark with water (the water has a mass of 100.0 g). You pour all the sugar and all the water together in a bigger beaker

    asked by Alexandria on September 3, 2011
  90. Chemistry

    A solution of 100.00mL of 0.2000mol/L sodium carbonate and 200.00mL of 0.1000mol/L calcium nitrate solutions are mixed together according to the reaction: sodium carbonate + calcium nitrate→ calcium carbonate + sodium nitrate. how would you calculate the

    asked by Walker on August 20, 2012
  91. physics

    A 0.662-kg basketball is dropped out of a window that is 6.32 m above the ground. The ball is caught by a person whose hands are 1.82 m above the ground. (a) How much work is done on the ball by its weight? What is the gravitational potential energy of the

    asked by justin on July 8, 2013
  92. College Physics

    A 0.697-kg basketball is dropped out of a window that is 6.98 m above the ground. The ball is caught by a person whose hands are 1.73 m above the ground. (a) How much work is done on the ball by its weight? What is the gravitational potential energy of the

    asked by Cameron on January 11, 2017
  93. Gen physics

    A 0.662-kg basketball is dropped out of a window that is 6.32 m above the ground. The ball is caught by a person whose hands are 1.82 m above the ground. (a) How much work is done on the ball by its weight? What is the gravitational potential energy of the

    asked by ODU on July 22, 2013
  94. Physics

    A 107 kg clock initially at rest on a horizontal floor requires a 673 N horizontal force to set it in motion. After the clock is in motion, a horizontal force of 522 N keeps it moving with a constant velocity. (a) Find ìs between the clock and the floor.

    asked by Elizabeth on November 7, 2010
  95. physics

    A 0.582-kg basketball is dropped out of a window that is 5.98 m above the ground. The ball is caught by a person whose hands are 1.58 m above the ground. (a) How much work is done on the ball by its weight? What is the gravitational potential energy of the

    asked by heather on February 28, 2011
  96. math

    Is this the right way to answer this question? A physics exam consists of 9 multiple-choice questions and 6 open-ended problems in which all work must be shown. If an examinee must answer 7 of the multiple-choice questions and 3 of the open-ended problems,

    asked by sam on August 23, 2009
  97. Physics 2

    A 0.564-kg basketball is dropped out of a window that is 5.85 m above the ground. The ball is caught by a person whose hands are 1.89 m above the ground. (a) How much work is done on the ball by its weight? What is the gravitational potential energy of the

    asked by Tiffany on February 24, 2011
  98. algebra

    Charles and Stacy work at a shoe store. They are both paid $9 per hour. This week Charles made an extra $32 in overtime. Which expressions represent the weekly wages for Charles and Stacy. c = the number of hours that Charles worked for the week s = the

    asked by lun on December 7, 2018
  99. physics

    A 0.582-kg basketball is dropped out of a window that is 5.98 m above the ground. The ball is caught by a person whose hands are 1.58 m above the ground. (a) How much work is done on the ball by its weight? What is the gravitational potential energy of the

    asked by heather on February 28, 2011
  100. Algebra

    Please check my work. thanxs! Use the Leading Coefficient Test to determine the end behavior of the polynomial function. Then use this end behavior to match the function with its graph. f(x) = 2x^2 - 2x - 2 -I got that is rises to the left and rises to the

    asked by Jodie on October 15, 2007

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