1. Accounting (Please Help)

    Acme, Inc.'s books show an ending cash balance of $14,500 before preparing the bank reconciliation. Given the bank reconciliation shows outstanding checks of $3,900, deposits in transit of $2,900, NSF check of $190, and interest earned on the bank account

    asked by Lexis on June 22, 2016
  2. Pre-Calculus

    Use the CALC features of the TI to answer the following. Show what you put into the calculator & what CALC feature you used. Round to the nearest tenths. The equation h = 20 cos (π/4 (t-3)) + 23 tells how high above the ground a ferris wheel car is at any

    asked by Clarice on October 29, 2015
  3. Chemistry

    The lab we are doing is: Determining the ENTHALPY of a Chemical Reaction. There are three reactions. Reaction 1: NaOH + HCl, Reaction 2: NaOH + NH4Cl, and Reaction 3: HCl + NH3. I found the max temp, initial temp, and temp change of each reaction. Can you

    asked by Rina on October 29, 2017
  4. Physics Help Please! Decay Questions

    archaeologist digging at the site of an ancient settlement discover the remains of a wooden structure. carbon 14 dating of the wood from the structure finds a decay rate of 180 decays/min. Knowing that the decay rate for living wood is 600 decays/min and

    asked by Anonymous on April 28, 2015
  5. American History

    Throughout the 17th and 18th centuries the colonists underwent a gradual transformation---they became less Anglo-American and more uniquely American. Discuss four elements responsible for this slow metamorphosis. (To merely list the elements is not enough,

    asked by John on September 20, 2015
  6. Physics Help Please

    archaeologist digging at the site of an ancient settlement discover the remains of a wooden structure. carbon 14 dating of the wood from the structure finds a decay rate of 180 decays/min. Knowing that the decay rate for living wood is 600 decays/min and

    asked by Anonymous on April 28, 2015
  7. DISCRETE MATHS

    We need to show that 4 divides 1-n2 whenever n is an odd positive integer. If n is an odd positive integer then by definition n = 2k+1 for some non negative integer, k. Now 1 - n2 = 1 - (2k+1)2 = -4k2-4k = 4 (-k2-4k). k is a nonnegative integer, hence

    asked by Don(please check my math) on October 24, 2013
  8. Algebra 1

    REINY, Thank you for your answer and the answer is obviously correct when you go back and do the multiplying ......however , I do not just want the answer, I desperately wish to understand from start to finish how you got the answer. I am sorry if I seem

    asked by connie on March 15, 2012
  9. macroeconomics

    Show that the expenditure approach and the income approach add up to the same figure: consumption $5000 investment $1000 depreciation $600 Profits $900 Exports $500 Compensation of Employees $5,300 Government purchases $1000 Direct Taxes $800 Saving $1100

    asked by Tonya on April 4, 2008
  10. Calculus

    1)A north south highway, intersects an east west highway, at point P. A vehicle process point P @ 1pm, traveling east at a constant speed of 60km/h. At the same instant another vehiclist 5km north of P, travelling south at 80km/h, find the time, when the 2

    asked by Deepa on April 24, 2014
  11. English

    I forgot to include the following sentences. Thank you very much. 1) She requested that we didn't go too near the river bank. (is it possible to use the subjunctive instead of the simple past?) 2) We were requested not to go too near the river bank. She

    asked by Henry1 on May 16, 2011
  12. Chemistry

    0.500 mol of SO2, 0.100 mol of O2 and 0.700 mol of SO3 re intorduced simutaneously into a 1.00 L vessel at 1000 K. For the equillibirum, 2SO2 (g) + O2(g) 2SO3(g), the value of Kc at 1000K is 280. Show mathemtically that the mixture is NOT at equillibrium.

    asked by Lena on July 19, 2009
  13. Physics

    A set of fossilized triceratops footprints discovered in Texas show that the front and rear feet were 3.2 m apart. The rear footprints were observed to be twice as deep as the front footprints. Assuming that the rear feet pressed down on the ground with

    asked by Cooper on November 3, 2011
  14. Statistics

    7. A random sample of n1 = 16 communities in western Kansas gave the following rates of hay fever per 1000 population for people under 25 years of age. 121 115 124 99 134 121 110 116 113 96 116 116 135 96 96 116 A random sample of n2 = 14 communities in

    asked by Tab on January 26, 2011
  15. World 201

    8. Confucius taught that filial piety had to do with the care and provision parents religiously gave to their children? False 9. Daoism is the belief that all people should reject social harmony and work to maintain a good and strong government? False 10.

    asked by amy on March 8, 2009
  16. English

    I am seeking for some help in English (grammar and punctuation. Thanks!!! Please review the folloing: As you know, in the absence of timely copies of all bills and payments and medical records supporting the reasonableness and necessity of the services and

    asked by Yelena on December 7, 2011
  17. sra JMcGuin spanish

    Hi This is sam's mom - you have helped my child enormously - Whenever work is done with you the grade is amazing. Finals ae coming up and I think you are close to us. We live on the west side and go to school in the valley. SO anywhere would be convenient

    asked by sam's Mom on January 1, 2009
  18. College History

    Which of the following was NOT a result of the great migration of blacks in the 1920s? A) Blacks found they someetimes were able to work in jobs that has been closed to them in the South. B) African American consciousness was raised, providing feelings of

    asked by Maggie on November 30, 2012
  19. english

    Homework Help Forum: brain teaser help Current Questions | Post a New Question Answer this Question | Further Reading Posted by sam on Sunday, April 2, 2006 at 3:34pm. try to find the error. I couldn't; it's very hard. A B C D E F G H I J K L M N O P Q R S

    asked by chris on September 10, 2006
  20. S103

    Which element results if 2 protons and 2 neutrons are ejected from a radium nucleus with atomic number 88 and mass number 226 - show workings? What is actually ejected is an alpha particle (helium nucleus). The new atomic number is 88-2 = 86 and the new

    asked by Pedro on March 7, 2007
  21. math

    Low-voltage lighting is a popular feature of landscaping. Two pathways meet at 30 degrees to each other. One pathway has the lighting, and the first light is placed where the two paths meet. The distance between successive lights is 5m, and each has a

    asked by liz on October 29, 2007
  22. Math "Ms Sue"

    The stem-and-leaf plot shows the heights in centimeters of Teddy Bear sunflowers grown in two different types of soil. Soil A Soil B 5 | 9 5 2 1 1| 6 | 39 510 | 7 | 023678 21| 8 | 3 0| 9 Key: 9|6 means 69,Key: 5|8 means 58 a) Describe the overlap of the

    asked by moby on May 2, 2014
  23. Math: 5th Grade

    A florist had an equal number of red and yellow tulips. She sold 624 red tulips. Then she had 4 times as many yellow tulips as red tulips. How many tulips did she start with? You must use a bar model to solve this problem.

    asked by Alex on June 1, 2015
  24. math

    A florist had an equal number of red and yellow tulips. She sold 624 red tulips. Then she had 4 times as many yellow tulips as red tulips. How many tulips did she start with? You must use a bar model to solve this problem.

    asked by Katie on January 12, 2014
  25. chemistry

    Analysis of a compound gave 39.50% C, 2.20% H, and 58.30% Cl. When 0.855 g of this solid was dissolved in 7.50 g of napthalene, the solution had a freezing point of 78.0° C. The pure solvent freezes at 80.0° C; its molal freezing point constant is 6.8°

    asked by Chris on September 14, 2010
  26. Chemistry

    A beaker with 200 mL of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 6.40 mL of a 0.400 \it M \rm HCl solution to the beaker. How much will the pH

    asked by Bobby on March 29, 2011
  27. Chemistry

    Bromine can be added to limonene to create a brominated compound. When 613 mg of limonene and 3.5 mL of a 10% (v/v) solution of Br2 in dichloromethane (a solvent) are combined, 959 mg of the product is isolated. Calculate the percent yield for this

    asked by Kate on March 2, 2010
  28. concepts in Organizational Behavior

    You are currently working as a management consultant. You and your partner have been asked to analyze the corporate culture and organization of USA Today. You have decided to use the Step-by-Step Analysis to aid you in your work. You have decided to

    asked by Azizeh on March 28, 2010
  29. Math please, please help

    Charlotte is planning a trip from her house in City A to the State Fair in City B. She uses 2 maps, each with a different scale & places them together so that they show her route. First map's scale is 2 3/4 inches with 3/4 inch equaling 30 miles. Second

    asked by Cale on January 22, 2015
  30. ci

    What does it mean to be a good citizen? Be sure to include the three actions you listed in Step 2. What is the difference between a civic duty and a civic responsibility? Be sure to give an example for each to help explain. When have you experienced a

    asked by Ali on January 14, 2016
  31. Pre- Algebra

    1. What is (-7)^5 in expanded form? 2. Simplify the expression. (-3)^4 a. 81 b. -81 c. -12 d. 12 3. Which expression is equivalent to 4x4x4x4x4x4x4x4? a. 4 x 8 b. 8^4 c. 8x8 d. 4^8 4. 2/3 x 1/2? Simplify to lowest terms 5. Solve 1/6 / 2/6 6. Which of these

    asked by Dude on September 5, 2012
  32. MATH

    About 0.350 of s stretch of forest is being cleared of timber. If the stretch of forest is divided into hundredths, how many hundredths are being cleared? Can you help me solve this question? Please see my previous answer.

    asked by Anonymous on February 2, 2007
  33. math

    Please explain how to set this up and how to solve: A school's rectangular athletic fields currently have a length of 125 yd and a width of 75 yd. the school plans to expand both the length and the width of the fields by x yards. What polynomial is

    asked by Jane on March 21, 2012
  34. precalc

    The angle of elevation to the top of a building from a point on the ground 20 degrees and the angle of elevation from a point 25 feet farther away is 12 degrees. Find the height of the building. How would I begin to solve this problem? I do not know what

    asked by adam on December 25, 2014
  35. Math

    What is the best way to solve the following problems: Sam's family eats 4 to 6 apples every day. Which is a reasonable number of days that it will take Sam's family to eat a bag of 20 apples? Terry's party started at 6:30 p.m. and ended at 9:00 p.m. What

    asked by Mattie on March 14, 2011
  36. Math

    A copy center offers its customers two different pricing plans for black and white photocopies of 8.5 in. by 11 in. pages. Customers can either pay $0.08 per page or pay $7.50 for a discount card that lowers the cost to $0.05 per page. Which equation can

    asked by Jane on January 5, 2012
  37. math

    Jessica wants to invest $40,000 in two accounts. The annual returns of the accounts are 8% and 6% of her investment. Jessica would like to have an annual return of $2,500 from her two investments. Set up, but do not solve, the set of linear equations that

    asked by steve on February 23, 2016
  38. Physical Chemistry

    The presence of a catalyst provides a reaction pathway in which the activation energy of a certain reaction is reduced from 192 kJ·mol-1 to 72 kJ·mol-1. (a) By what factor does the rate of the reaction increase at 281 K, all other factors being equal?

    asked by Mark on April 1, 2010
  39. Physics

    A wheel of moment of inertia 0.136 kg · m2 is spinning with an angular speed of 5000 rad/s. A torque is applied about an axis perpendicular to the spin axis. If the applied torque has a magnitude of 67.8 N · m, the angular velocity of precession will be?

    asked by kjean on March 28, 2014
  40. physics

    A mass of 5.6 kg lies at the top of a frictionless incline. It is inclined at an angle such that the normal force on the mass is 30 Newtons. If the length of the incline is 58 meters and the mass is originally at rest at the top of the incline and then

    asked by Anonymous on October 6, 2011
  41. Electromagnetic Iduction

    Neon sign require about 12,000 V for their operation. What should be the ratio of the number of loops in the secondary to the number of loops in the primary for a neon-sign transformer that operates off 120 V lines? Nprimary/Nsecondary=

    asked by Jarrad Schomaker on June 17, 2005
  42. Math

    Conrad taxi service charges $1.50 for the first mile and $0.90 for each additional mile. How far can Mr. Kulp go for $20 if he gives the driver a $2 tip. Write a let statement; represent the additional miles in terms of the total travelled. Write an

    asked by Miranda on September 13, 2012
  43. Precalc Trig

    here's the question: solve for cos(2theta)=1 if you graph r= cos(2Theta) then graph r=1 you find that there are four places where the graphs intersect. however, when solved algebraically, there are two solutions which can be represented in an infinitely

    asked by Wulramm on November 20, 2015
  44. physics

    A carefully designed experiment can measure the gravitational force between masses of 9 kg. Given that the density of iron is 7860 kg/m3, what is the gravitational force between two 9.00-kg iron spheres that are touching? I can determine the correct answer

    asked by mymi on October 30, 2011
  45. Chemistry

    What is the vapor pressure of a solution composed of 3.0 moles benzene (vapor pressure 12.1 kPa) & 1 mole chloroform (vapor pressure 25.2 kPa)

    asked by Anonymous on January 15, 2008
  46. Physics

    Two physical pendulums (not simple pendulums) are made from meter sticks that are suspended from the ceiling at one end. The sticks are uniform and are identical in all respects, except that one is made of wood (mass = 0.17 kg) and the other of metal (mass

    asked by Anonymous on November 8, 2011
  47. Physics

    Two physical pendulums (not simple pendulums) are made from meter sticks that are suspended from the ceiling at one end. The sticks are uniform and are identical in all respects, except that one is made of wood (mass = 0.17 kg) and the other of metal (mass

    asked by Anonymous on November 8, 2011
  48. Calculus

    Consider the function f(x)=sin(1/x) Find a sequence of x-values that approach 0 such that (1) sin (1/x)=0 {Hint: Use the fact that sin(pi) = sin(2pi)=sin(3pi)=...=sin(npi)=0} (2) sin (1/x)=1 {Hint: Use the fact that sin(npi)/2)=1 if n= 1,5,9...} (3) sin

    asked by George on September 9, 2008
  49. Calculus

    Consider the function f(x)=sin(1/x) Find a sequence of x-values that approach 0 such that (1) sin (1/x)=0 {Hint: Use the fact that sin(pi) = sin(2pi)=sin(3pi)=...=sin(npi)=0} (2) sin (1/x)=1 {Hint: Use the fact that sin(npi)/2)=1 if n= 1,5,9...} (3) sin

    asked by George on September 9, 2008
  50. chem

    I need help classifying these as physical or chemical changes! 1. sodium metal exposed to air turns dark gray. 2. steam in a test tube condenses to moisture. 3. baking soda in vinegar releases bubbles. 4. water dissolves in vinegar to give a solution. 5.

    asked by Emily Grossman on March 1, 2011
  51. Chemistry --Help 2! :)

    Predict whether Fe(OH)2 will dissolve, precipitate, or do neither after: (a) water is added --> dissolve (b) Fe(OH)2 is added--> neither (c) Solid Fe(NO3)2 is added--> precipitate (d) Solid KNO3 is added---> neither I'm given the answers...but no

    asked by Val on March 9, 2010
  52. pre calculus

    If you are driving down a 10% grade, you will always be 10% below where you would have been if you could have driven on flat ground from where you started. Suppose you descend to where you are 20 feet below your starting point. What concept does the

    asked by sharon on April 1, 2013
  53. Math

    Yoour goal is to save at least $240.00 over the next 4 weeks.How much must you save each week in order to meet that goal. Write and solve an inequality. a)4x>240;x>60 b)x>240;x>4 c)240x>60;x>60 d)4x

    asked by Cow on February 2, 2017
  54. math

    what distance formula would you use to solve this problem? A boat starts at point A, moves 3 km due north, then 2km due east, then 1 km due south, and 4km due east to point B. Find the distance AB.

    asked by trey on March 16, 2012
  55. chemistry

    I'm not sure how to solve this: If 125 cal of heat is applied to a 60.0-g piece of copper at 20.0∘C , what will the final temperature be? The specific heat of copper is 0.0920 cal/(g⋅∘C). Express the final temperature numerically in degrees Celsius

    asked by mysterychicken on January 29, 2014
  56. Math

    Cost- 50 Selling Price- 125 Mark up rate - Unknown, Operating Profit- unknown Exected monthly sales (unit) 100 Need to solve for Mark up rate & Operating profit

    asked by Keri on November 9, 2011
  57. Chemistry

    Provide the balanced reaction, the value of K, and E(cell) at equilibrium for the for the electrochemical cell created from the two half-cell reactions below Cr^(3+) + e ==> Cr^(2+) Fe^(2+) + 2e ==> Fe Well, I got the balanced reaction: 2Cr^(2+) + Fe^(2+)

    asked by Nora on March 18, 2015
  58. Physics

    What is the final speed of a car if it starts at 32 m/s and loses 1800J of energy? I think the equation should be: 0.5m(32)^2 - 1800J = 0.5mv^2 where m = mass of the car v = final speed. Since there is only one equation with 2 unknown, I can only solve it

    asked by Angus on November 11, 2008
  59. physics

    Two children on racing bikes start from the same reference point. Child A travels 5.0m/s{right} and child B travels 4.5m/s{right}. How much farther from the point of origin is child A than child B after 5.os? pls I really really need help. I do not

    asked by ted on October 4, 2011
  60. trigonometry

    Use logarithms and the law of tangents to solve the triangle ABC, given that a=21.46 ft, b=46.28 ft, and C=32°28'30" I have to use logarithms and law of tangents . and then provide the check. which says law of sine or mollweids equation. I can't us the

    asked by Anon on February 26, 2011
  61. algebra

    Here's the problem: It takes Stan 20 days to build a house by himself. When his wife, Brenda, joins him, it takes only 14 days. How long does it take Brenda to build a house on her own? Is there some sort of formula to solve this? I have no idea where to

    asked by Mary on March 16, 2008
  62. Math

    1. Which ratios form a proportion? (1 point) a. 3/15, 12/55 b. 8/24, 12/35 c. 5/18, 25/90 ***??? d. 4/11, 16/25 2. Which ratio forms a proportion with 9/15? (1 point) a. 6/10 ***??? b. 16/21 c. 36/50 d. 45/70 3. A textbook weighs 2.5 pounds. How many

    asked by Ella on November 16, 2017
  63. physics

    Scientists want to place a 3300 kg satellite in orbit around Mars. They plan to have the satellite orbit a distance equal to 2.2 times the radius of Mars above the surface of the planet. Here is some information that will help solve this problem: mmars =

    asked by paula on September 13, 2014
  64. Math

    The price of a brick today is 49cents. This is 3 cents less than 4 times the price 20 years ago. What was the price 20 years ago? Let that old price be x. 49 = 4x - 3 Solve for x.

    asked by monica on April 9, 2007
  65. Algebra I

    The sum of three numbers is 147. The second number is 4 more than two times the first number. The third number is five less than three times the first number. Find the three numbers. Can you please solve it? I have no idea how to do this. Thanks a lot for

    asked by katya on September 19, 2009
  66. math word problem

    the difference between two numbers is 55. four times the smaller number plus 5 times the larger number is 176. what are the numbers? L-S=55 4S+5L=176 solve by substution.

    asked by chong on February 27, 2007
  67. math

    length______ width 14 height 11 surface area_______ volume 2029.72 length*width*height gives you volume, which you know. But you can solve for length.

    asked by skye on June 12, 2007
  68. algebra

    I made a mistake in my problem . can you take me step by step on how to solve this problem 2x+3y=6 (forx) 2x+3y=6 (forx) (subtract 3y to both sides) 2x=6-3y (divide both sides by 2) x=3-3/2y This what I got.

    asked by Tony on February 16, 2007
  69. Algebra

    Find the slope and the y-intercept. y=5x I know the slope would be 5, but what would the y-intercept be??0 Graphing it is always a good way to check. Remember that y=mx+b b is the y intercept. Is there is no b then it would be zero. The other way to find

    asked by jessica on April 26, 2007
  70. chem

    For the elementary reaction NO 3 + CO → NO2 + CO 2 the molecularity of the reaction is __________, and the rate law is rate = __________. A) 2, k[NO 2][CO 2] B) 2, k[NO 3][CO]/[NO2 ][CO 2] C) 4, k[NO 3][CO][NO 2][CO 2] D) 4, k[NO 2][CO 2]/[NO 3][CO] E)

    asked by JES on October 23, 2010
  71. math

    your brother is 1/3 your age.your sister is 6 years older than your brother. your sister is 10 years old. write and solve and equation to find your age a

    asked by j on January 31, 2017
  72. 5th grade

    Carol uses the same ratio table to solve the problems below. Do you agree or disagree? 8 cows/2 pigs = c cows/10 pigs 2 pigs/8 cows = 10 pigs/c cows

    asked by Stephanie on May 11, 2010
  73. Math

    Your brother is 1/3 your age. Your sister is 6 years older than your brother. Your sister is 10 years old. Write and solve an equation to find your age aa.

    asked by Eag on November 8, 2017
  74. Calc

    The directional derivative of z = f(x,y) at (2,1) in the direction toward the point (1,3) is -2/sqrt(5), and the directional derivative in the direction toward the point (5,5) is 1. Compute dz/dx and dz/dy at (2,1). I have no idea how to solve this

    asked by Dani on February 27, 2011
  75. Math

    Natalie had some marbles. She gave 1/3 of them to her brother, who kept 12 marbles for himself and gave the rest to 5 friends. If each friend received 7 marbles, how many marbles did Natalie have at first? solve

    asked by Marco on January 7, 2017
  76. Biochemistry

    How do you calculate the free energy change for the acetyl phospahate hydrolysis in a solution of 2 mM acetate, 2 mM phosphate and 3 nM acetyl phosphate. The standard state free energy of hydolysis of acetyl phosphate is /\G = -42.3 kJ/mol.

    asked by nicki on October 4, 2010
  77. chemistry

    A silver wire is immersed in a solution containing ions of CU2 + what is expected in this situation? A) no reaction occurs. b) The silver wire is oxidized. c) Copper is deposited on the silver wire. D) The ions Cu2 + are reduced.

    asked by kelly on July 13, 2018
  78. Chem

    Methylaime, CH3NH2. If a 0.100 mol/L solution of methyamine has a pH of 11.80, calculate the ionization constant for the weak base. What is an ionization constant. Is it just K? This is what I did so far: 11.80 = -log (concentration of h3o+) 10^-11.80 =

    asked by Lena on July 23, 2009
  79. chemistry

    A student found that there are 115 drops of glacial acetic acid in 2.00 mL. Calculate the number of drops of glacial acetic acid, HC2H3O2 required to make 225 mL of 0.1 M acetic acid solution

    asked by Erin on October 16, 2011
  80. Calculus

    Find the specific solution of the differential equation dy/dx = 4y/x^2 with condition y(−4) = e. y equals negative 1 minus 4 divided by x

    asked by nan on March 11, 2016
  81. Probability

    Roll two fair dice. what is the probability that you get a 2 and a 5 without regard to which is on which die? What is the probability of at least one 2 or one 5? What is the probability of a sum of 7? "what is the probability that you get a 2 and a 5

    asked by Pam on December 3, 2006
  82. chemistry

    An alka-seltzer tablet weighing 3 grams is added to a flask of water (weighing 250 grams).At the end of the experiment, the flask weighs a total of 249.6 grams.Explain why this experiment does not seem to follow the Law of Conservation of Mass and how the

    asked by anonymous on September 24, 2014
  83. algebra

    Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 100 mph and train B is traveling at 110 mph. Train A passes a station at 3:10 pm. If train B passes the same station at 3:40pm, at what time will train B catch

    asked by Samantha on January 7, 2009
  84. The Age Of Jefferson To The American Expansion

    1. Which of the following utopian communities was founded and established in New York State? A. Shaker Village B. Spiritualist C. Oneida D. New Harmony 2. The first fully developed American factory system emerged in the _______ industry. A. textile B.

    asked by tasha on December 7, 2012
  85. Health and Human Services

    a. bandwagon—the idea that “everybody” does this or believes this b. categorical statements—stating something in a way that implies there can be no argument or disagreement on the issue c. personal attack—criticizing an opponent personally

    asked by Tamika on July 4, 2008
  86. Math simplifying mixed radicals

    Please help me simplify these following mixed radicals:: and show me how you did it cause I need to learn : I don't know how to type a square root sign so I just wrote square root: 2 square root 48 3 square root 81 6 square root 12 3 square root 32 2

    asked by Miley on September 14, 2013
  87. accounting

    A new inventory management system for ABC Company could be developed at a cost of $200,000. The estimated net operating costs and estimated net benefits over six years of operation would be: Year Estimated Net Operation Estimated NetBenefits 0 200,000 0 1

    asked by YENY on August 2, 2010
  88. Revised paragraph of 8-12 sentences

    I have to write these paragraphs for a writing assignment and just wasn't sure is I was doing it right. Need some advice!! ASSIGNMENT: You’ve applied for a specific job in your field of study. The Human Resources Department arranges an interview and

    asked by alma on March 22, 2012
  89. physics

    please help with cart thing A 45 kg cart is pushed up a ramp a length of 5.8 m from rest, attaining a speed of 2.6 m/s at the top of the ramp, which is 1.7 m high. The coefficient of friction between the cart and the ramp is 0.13. a) Determine the work

    asked by idnchfywek on June 26, 2015
  90. math

    Prove that for all real values of a, b, t (theta): (a * cos t + b * sin t)^2

    asked by mathstudent on December 19, 2006
  91. Physics: energy

    The spiral shaft in a grain auger raises grain from a farmers truck into a storage bin. Assume that the auger does 6.2 x 10*5 J of work on a certain amount of grain to raise it 4.2 m from the truck to the top of the bin.What is the total mass of the grain

    asked by kelly on April 9, 2011
  92. Computers

    I tried to use Google Video Uploader. However, I was not able to log in. I entered my e-mail address and then I entered the pass word, but it didn't work. Many times I tried to log on, but failed. How can I use the Google video Uploader? Would you let me

    asked by rfvv on December 7, 2010
  93. physics

    1. How does a Van de Graaff Generator work? What is the magnitude of the electric field inside the dome of a charged Van de Graaff generator? 2. How does the charge on one plate of a capacitor compare with that on the opposite plate? 3. How does a

    asked by beauty on January 24, 2011
  94. Algebra

    Sumi can wash the windows of an office building in 3/4 the time it takes her apprentice. One day they worked on the building together for 2h 16min , then Sumi continued to work alone. It took 4h 32min more to complete the job. How long would it take her

    asked by Anonymous on May 9, 2014
  95. business math

    Check My Work (3 remaining) Mary Jo Prenaris is an office manager with gross earnings of $1,600 semimonthly. If her company switches pay schedules from semimonthly to biweekly, what are Mary Jo's new gross earnings? $ biweekly salary

    asked by kelly on June 4, 2014
  96. Physics 11

    A 90kg basketball player carries about 720J of kinetic energy when running down the court. If the coefficient of kinetic friction between good runners & the floor is .600, how far does the player skid when trying to stop? Hint: what work was done by

    asked by Kayla on May 23, 2017
  97. phys

    The proper length of one spaceship is 5 times that of another. The two spaceships are travelling in the same direction and, while both are passing overhead, an Earth observer measures the two spaceships to be the same length. If the slower spaceship is

    asked by slien on October 10, 2006
  98. science

    To have a high work effiency of concrete batching plant,we need to know the maintance of it to extend its useful life.We have study this for a long time and it includes two aspects. One is lubricating the shaft of concrete batching plant when it works

    asked by hao on June 26, 2014
  99. physics

    A driver of a 7550 N car passes a sign stating "Bridge Out 25 Meters Ahead." She slams on the brakes, coming to a stop in 10 s. How much work must be done by the brakes on the car if it is to stop just in time? Neglect the weight of the driver, and assume

    asked by jesse on October 19, 2010
  100. physics

    A driver of a 7550 N car passes a sign stating "Bridge Out 25 Meters Ahead." She slams on the brakes, coming to a stop in 10 s. How much work must be done by the brakes on the car if it is to stop just in time? Neglect the weight of the driver, and assume

    asked by jesse on October 19, 2010

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