1. Physics

    Hello everyone, I have made measurements of the periods of a pendulum attached to a stationary point at a certain height h. When plotting the periods as a function of the square root of the length minus the height it gives us a straight line. I now need to

    asked by Tom on January 7, 2013
  2. chemistry

    Distilled water normally contains dissolved CO2. When preparing NaOH standard solutions, it is important to use CO2 free distilled water. How does dissolved CO2 in distilled water affect the accuracy of the determination of a NaOH solution’s

    asked by anonymous on March 24, 2014
  3. Chemistry

    What is the pH of the solution created by combining 11.40 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)? Here is the chart that i am supposed fill out: mL NaOH pH w/ HCl pH w/ HC2H3O2 11.40 _________

    asked by Lisa on April 27, 2009
  4. Fine Art 7 - Dr. King Letter (to share)

    Dear Dr. King. You was a brave man. A man who do whatever it takes to stop Civil Rights. A man with a beautiful wife and family. A man who became the public face of a movement. A man who tirelessly worked, marched, got arrested, spoke on the topics of

    asked by Laruen on January 16, 2012
  5. science

    a garden pea plant bearing terminal violet flowers when crossed with another pea plant axial violet flowers produce axial, violet, axial white flowers in the ratio 3:1 . work out the cross showung the genotype of the parent plantand their progeny . name

    asked by Binita on April 27, 2017
  6. algebra

    A boat is tied to a pier with a 25-foot rope so that the distance between the top of the pier and the top of the boat deck is 7 feet. If the water level hoes down 8 feet with the low tide , how much closer ( in feet) is the boat to the base of the pier?

    asked by Alexius on December 2, 2012
  7. algebra

    I need help figuring this out. If an object 3.9 feet tall casts a shadow 11.7 feet tall. How tall would the shadow be if the object were 17.4 feet tall? please show me step by step for me to understand. thank you so much

    asked by Alaska Diamond on August 1, 2013
  8. calculus, volume , application of integration

    show steps for the following: Consider the curve f(x)=x^4 between x = -1 and x = 4. a)What is the volume obtained by revolving the area under the curve around the x-axis? b)What is the volume obtained by revolving the area under the curve (i.e. between

    asked by Robert on February 2, 2010
  9. Grammar

    Im confused when it comes to capitalizing red sea? i know i have to capitalize the word red because it show's what kind of sea, a red sea of course. But am i suppose to capitalize sea too, or capitalize the word red ONLY?

    asked by Losa on June 13, 2012
  10. math

    Uncle Bill is 6 times as old as John and he will be 4 times as old as John in 4 years' time. If Uncle Bill is less than 60 years of age, how old will he be in 6 years' time? Please show working out as well, thanks.

    asked by anonymous on January 9, 2017
  11. history

    can i please get some help with this: Why did the Watergate break-in occure? a. the Nixon White House wanted to get Daniel Ellsberg's psychiatric records b. the Committee to Reelect the President wanted to wiretap the Democratic National Committee c. the

    asked by history on April 14, 2009
  12. physics

    A tunable capacitor (with variable capacitance) is charged by a U0=12 V battery and then is connected in parallel to a R=3 Ω resistor. The capacitance C(t) of the capacitor is controlled so that the current in the circuit remains constant at all times.

    asked by ded on June 2, 2013
  13. heeelp tooough physics

    A tunable capacitor (with variable capacitance) is charged by a U 0=12 V battery and then is connected in parallel to a R=3 Ω resistor. The capacitance C(t) of the capacitor is controlled so that the current in the circuit remains constant at all times.

    asked by andrew on June 1, 2013
  14. Science

    Explain why condensatin forms on a glass containing a cold drink. Only so much water vapor can be in the air at any temperature, and at cooler temps the air holds less. Air is very cold near the surface of the glass. hi plz help me i whant some information

    asked by Sebastian on January 25, 2007
  15. nutrition

    Making a transceiver from sccrtah is a pretty awesome project. It can take a while, though.There's a lot of theory of operation that factors in physics and engineering.I'm a radio technician, so I'm biased, but if I were a science teacher I would be amazed

    asked by YHlFMKuHz on March 21, 2012
  16. Calculus

    Water is drained out of tank, shaped as an inverted right circular cone that has a radius of 6cm and a height of 12cm, at the rate of 3 cm3/min. At what rate is the depth of the water changing at the instant when the water in the tank is 9 cm deep? Give an

    asked by Ke$ha on January 5, 2017
  17. heeeelp physics

    A tunable capacitor (with variable capacitance) is charged by a U 0=12 V battery and then is connected in parallel to a R=3 Ω resistor. The capacitance C(t) of the capacitor is controlled so that the current in the circuit remains constant at all times.

    asked by andrew on May 30, 2013
  18. Social Studies

    Which was an effect of the establishment of the European Union? Select all that apply. A. Member countries trade freely without trade barriers. B. Citizens can move among nation states to work and study. + C. National borders have been erased. + D. Member

    asked by dori on February 10, 2019
  19. math

    Mr Smith is a farmer. He stores his hay in a shed the shape of a cone. The base has a radius of 30 ft and it is 40 ft. tall. How much hay can he fit in the shed? Leave th answer in terms of pie.( I will use ^ as my pie symbol here) I did v=1/3 BH v=1/3^r2h

    asked by ES on March 15, 2013
  20. School Learning Curve

    Can someone explain to me the features of the 'learning curve'. I only just found out that teachers grade people's work against other students in the class, and it's something to do with "scaling", especially in English. I'm just curious on how it works,

    asked by TK on September 19, 2008
  21. social studies

    Which was an effect of the establishment of the European Union? Select all that apply. A. Member countries trade freely without trade barriers. B. Citizens can move among nation states to work and study. C. National borders have been erased. D. Member

    asked by ananamoose on February 5, 2019
  22. Physics

    A tunable capacitor (with variable capacitance) is charged by a U0=12 V battery and then is connected in parallel to a R=3 Ω resistor. The capacitance C(t) of the capacitor is controlled so that the current in the circuit remains constant at all times.

    asked by Mathslover on May 31, 2013
  23. chemistry

    2 NO2(g) N2(g) + 2 O2(g) The ΔH° for the reaction above is -66.4 kJ. The system is initially at equilibrium. What happens if N2 is added to the reaction mixture at constant temperature and volume? The reaction absorbs energy. The reaction releases

    asked by Megan on September 19, 2010
  24. Language Arts

    Read the following passage. Then answer the questions that follow. THE OLYMPIC SWIMMER Who will be the winner bold? Athletes from both far and near Train and Strain to be the best. But who will win the medal gold? Swimmers swivel, splash, and kick Back and

    asked by Brianna on December 5, 2016
  25. statics

    A1. Miss Dombo, a Ticketing Manager with an Airline ying international routes, has realised that not all passengers show up for their reserved seat. It is clear to her that each passenger's behaviour is independent of the other. Having xed the chances of a

    asked by TINASHE on October 26, 2016
  26. English

    PRESS RELEASE Contact: John Hemington, Human Resource director S+F Media is seeking a new member for our web design team. An innovator at the top of the field, S+F media has been delivering sleek, polished websites and user interfaces to our clients for

    asked by Ella on October 9, 2018
  27. Alg1

    Given 4√50 - 2√8 observe that √50 =√25*2 and √8=√4*2 and that 25 and 4 are perfect squares, so I simplify the expression to 100√2 - 8√2 I can then combine these terms to get 92√2 which is my answer. A.the student erroneously attempted to

    asked by juggalettefolife on December 2, 2014
  28. grammar

    Tell if the sentences, are phrase write phrase if it is a clause, write independent or subordinate. 9 Before settlers arrived .(phrase) 10 In 1794 .(phrase) 11 When it became a city .(subordinate) 12 Chicago had its first railroad.(independent) 13 Before

    asked by Christ on November 8, 2009
  29. Physics Question

    Here is a demonstration Pascal used to show the importance of a fluid's pressure on the fluid's depth : An oak barrel with a lid of area 0.17 m^2 is filled with water. Along, thin tube of cross-sectional area 4.7×10−5 m^2 is inserted into a hole at the

    asked by Catherine on May 7, 2011
  30. GK..please check...Chemistry Help Please

    Sorry not leting me post entire thing on last post..can you please check Thank- YOu # Chemistry Help Please - GK, Wednesday, October 22, 2008 at 11:24am Reaction #1 (properly balanced): 2ClO-(aq) + 4H+(aq) + 6I-(aq) –> 3I2 + 2Cl-(aq) + 2H2O Reaction #2

    asked by Sara on October 22, 2008
  31. basic geometry

    mrs. sally needed to build a triangular platform in the shape of an isosceles right triangle. the legs of the triangle are 6"long how long was the base side of the triangular platform? she also made well panels for the show that were 4" wide. how many wall

    asked by anabelle please help ! on December 10, 2013
  32. GEOMETRY PLZ HELP!

    Mrs.sally needed to build a triangular platform in the shape of an isosceles right triangle . The legs of the triangle are 6"long how long was the base side of the triangular platform ? She also made wall panels for the show that were 4" wide . How many

    asked by Anabelle on December 10, 2013
  33. geometry

    mrs. sally needed to build a triangular platform in the shape of an isosceles right triangle. the legs of the triangle are 6"long how long was the base side of the triangular platform? she also made well panels for the show that were 4" wide. how many wall

    asked by anabelle on December 10, 2013
  34. math

    please help... determine if the argument is valid or invalid along with the appropriate form of argument. if harvard hustles then harvard wins harvard wins ___________________ harvard hustles are these statements: valid by law of detachment valid by law of

    asked by thawk on May 21, 2011
  35. science

    a car of mass 100 kg traveling at 72 km/hr is brought to rest by applying the brakes.assuming that the kinetic energy of the car becomes transferred to internal energy in four steel brakes drum of equal mass, fine the rise in temperature of the drums if

    asked by ing-marie on May 8, 2013
  36. help with controls

    Please help us. Our experiment involved the formol titration of hydrolyzed and unhydrolyzed peptides, to determine the amino acid sequence of a polypeptide chain. We also did work with silica strips to determine the Rf values of amino acids. What are the

    asked by CLJ on January 4, 2007
  37. Consumer Math

    1. Ken bought a car last year to drive back and forth to work. Last year he spent $1,098 on gas. This year, it was $1,562. What is the inflation rate? a. About 51% b. About 42% c. About 20% d. About 39% I believe it is b is this correct? 2.Carnie had an

    asked by Cheryl on February 24, 2014
  38. psy

    )]}> Many are concerned that playing violent games may lead to violent behavior. However, statistics show that violent behavior in children has declined significantly at the same time that video game sales have skyrocketed. It is therefore clear that there

    asked by Cat on September 25, 2010
  39. Physics/Math

    An iceboat is at rest on a frictionless frozen lake when a sudden wind exerts a constant force of 212 N, toward east, on the boat. due to the angle of the sail, the wind causes the boat to slide in a straight line for a distance of 7.0 m in a direction

    asked by Technoboi11 on March 5, 2007
  40. Physics

    A child’s toy consists of plastic attached to a spring. The spring is compressed against the floor a distance of 2.46 cm, and the toy is released. The acceleration of gravity is 9.8 m/s2 . If the toy has a mass of 102 g and rises to a maximum height of

    asked by Ke on February 13, 2017
  41. Spanish

    Can someone please check my work? I was in Grade One. We went to the pumpkin patch. I got a really big pumpkin. I tripped while carrying it. I bit into the pumpkin. And lost one of my front teeth. Fui en primer curso. Fuimos al terreno de calabaza. Obtuve

    asked by Larry on October 11, 2009
  42. Math

    I did all the work for these so I'm not cheating I'm just checking my answers. (This got removed for some reason so this is my 2nd time posting this) Geoff planted Dailies in his garden. They have bulbs that divide and reproduce underground. In the first

    asked by Anonymous on May 21, 2019
  43. Physics

    A child’s toy consists of plastic attached to a spring. The spring is compressed against the floor a distance of 2.46 cm, and the toy is released. The acceleration of gravity is 9.8 m/s2 . If the toy has a mass of 102 g and rises to a maximum height of

    asked by Ke on February 14, 2017
  44. PHYSICS

    A cylinder with a moveable piston holds 2.40 mol of argon at a constant temperature of 295 K. As the gas is compressed isothermally, its pressure increases from 101 kPa to 141 kPa. What is the final volume of the gas? I don't know where to begin. I tried

    asked by Zack on June 21, 2007
  45. physics

    The periods of oscillaton were measured down to 0.38s. How could this be done with common laboratory timers? -a given hint is : are the times exact values? I don't know how this would work b/c I've never heard of a timer or stopwatch thant can register a

    asked by ~christina~ on September 14, 2007
  46. Calculus, Riemann Sums

    Measurements of a lake’s width were taken at 15-foot intervals, as shown: x= 0 15 30 45 60 75 90 105 120 f(x)= 0 15 18 20 19 23 24 22 12 Estimate integral (0,120) f(x) dx with n = 4, using Midpoint approximation. For this question, I ended up with 7200

    asked by Pax on May 12, 2015
  47. CUC

    1.(a) A solid sphere of mass 100gm and radius 2.5cm rolls without sliding wit ha uniform velocity of 10cm/sec along a straight line on a smooth horizontal table. Calculate the total energy. (b) A hoop of radius 100cm and mass 19kg is rolling along a

    asked by Theresa on May 26, 2012
  48. chem!

    i cant figure this one out! :( a balloonist is preparing a trip in a helium balloon. the trip begins in early morning at a temp of 15 degrees Celcius. By mid afternoon, the temp has increased to 30 degrees C. assuming the pressure remains constant at 1.00

    asked by Joan on March 21, 2011
  49. CHEMISTRY HELP PLEASE

    when I use henderson-hasselbach Ka of HOP4^2- = 4.8 x10^-13 pKa= -lg(4.8 x10^-13)=12.3 substituting I get 7.44-12.3 = lg [base/acid] e^-4.86=[base/acid}= 7.75 x10^-3 according to my textbook this answer is incorrect and should be 0.59 Please Help! IF you

    asked by Delli on May 10, 2007
  50. physics

    Spending a long time in weightlessness is unhealthy. One of the most important negative effects experienced by astronauts is a loss of muscle and bone mass. Since an ordinary scale won’t work for an astronaut in orbit, what is a possible way of

    asked by john on November 20, 2010
  51. Math (Riemann Sums)

    Measurements of a lake’s width were taken at 15-foot intervals, as shown: x= 0 15 30 45 60 75 90 105 120 f(x)= 0 15 18 20 19 23 24 22 12 Estimate integral (0,120) f(x) dx with n = 4, using Midpoint approximation. For this question, I ended up with 7200

    asked by Pax on May 12, 2015
  52. physics

    1. A 50.0 Lb box is to be moved along a rough floor at a constant velocity. The coefficient of the kinetic friction is 0.300. A. What force must you exert if you push downward on the box? B. What force must you exert if you pull upward on the box? C. Which

    asked by Anonymous on February 2, 2016
  53. Finance accounting

    Eddings Company had a beginning inventory of 400 units of Product XNA at a cost of $8.00 per unit. During the year, purchases were: Feb. 20 600 units at $9 Aug. 12 300 units at $11 May 5 500 units at $10 Dec. 8 200 units at $12 Eddings Company uses a

    asked by Linda on May 11, 2011
  54. Physics

    Consider a disk of radius 10 cm and positive surface charge density +3.7 mC/m2. A particle of charge -4.5 mC and mass 75. mg accelerates under the effects of the electric field caused by the disk, from a point at a perpendicular distance from the center of

    asked by Sandra on February 14, 2010
  55. Chem 1000

    A Cylinder is filled with 1.20 mol of He(g) at 25 C under ambient pressure of 0.966 atm. The gas in the cylinder is then heated with 1.430 KJ of heat, and the piston is raised by the expanding gas under the constant ambient pressure. Calculate the

    asked by J Velji on October 16, 2010
  56. physics

    A 52 g mountain climber, start from rest, climbs a vertical distance of 730 m. At top, she is again at rest. In the process, her body generates 4.1*10^6 J of energy via metabolic processes. Her body acts like a heat engine with efficiency ( W/Q_h.) W is

    asked by david on November 18, 2010
  57. College Chemistry

    A Cylinder is filled with 1.20 mol of He(g) at 25 C under ambient pressure of 0.966 atm. The gas in the cylinder is then heated with 1.430 KJ of heat, and the piston is raised by the expanding gas under the constant ambient pressure. Calculate the

    asked by J Velji on October 16, 2010
  58. chemistry

    hey everyone out there im new to this forum so please be nice. hahaha :D as the subject says this is about ozone cracking. well my friend is doing a research assignment, and shes talking about ozone cracking. she has done your homework and found out that

    asked by Anonymous on October 16, 2008
  59. Into to com

    Analyze how language functions in the video “Power of Words.” What makes this video so effective in illustrating the various principles of verbal communication? Can you think of a real life situation where the specific words you choose can radically

    asked by Ken on March 21, 2017
  60. Math

    On Wednesday you drove from home to work at 60 mph and got there in 23 minutes.  On Thursday you drove at 69 mph.  Round answers to nearest 10th.  Use:  R 1 T 1 = R 2 T 2   (double click this to see clearer) Round answer to the nearest 10th and use

    asked by Amber on January 25, 2017
  61. PHYSICS

    Consider a disk of radius 10 cm and positive surface charge density +3.7 mC/m2. A particle of charge -4.5 mC and mass 75. mg accelerates under the effects of the electric field caused by the disk, from a point at a perpendicular distance from the center of

    asked by Alex on February 22, 2010
  62. math

    Suppose there are 100 rabbits on an island and that the rabbit population can triple every half-year. Write an equation you could use to find the number of rabbits, R, after t, years. Using your equation, determine the amount of rabbits on the island in

    asked by Monica on October 1, 2013
  63. Social Studies

    Which sentence best tells the effect of scarcity on economics? A. Scarcity shapes decisions about how to distribute goods. B. Because resources are scarce consumers buy fewer goods. C. Scarcity makes people work harder to make more money. D. The existence

    asked by Anonymous on September 10, 2013
  64. french, english

    this is a french fable that I translated but I don't really undersand it. It is called the lion and the hunter... A braggart, lover of hunting, Just lost a dog of good breed, He suspected the body of a lion, Saw a shepherd: "Teach me, please, My thief, he

    asked by mark on November 28, 2010
  65. franctional interests

    Hello, I am having a difficult time breaking the following fractions down! what is the common denominator? 98/983 of a 1/2 % 187/983 0f a 1/2% 39/983 of 1/2 % 155/983 of 1/2% 34/983 of 1/2 % 64/983 of 1/2 % 25/983 of 1/2% 65/983 of 1/2% please send me an

    asked by steve o. on July 19, 2006
  66. English

    Please check my answers! Thanks :) 1. In Yeats’s poem “The Second Coming,” the falcon and the falconer are images that most likely represent *something out of control and unnatural. the beauty and abundance of nature. a sad, uncomfortable image of

    asked by Guy on April 18, 2013
  67. algebra

    b) Suppose you want to cover the backyard with decorative rock and plant some trees as the first phase of the project. You need 25 tons of rock to cover the area. If each ton cost $70 and each tree is $90, what is the maximum number of trees you can buy

    asked by monkeybaby on January 17, 2010
  68. Chemistry and @DrBob222

    Sorry for the mix up -- here's what DrBob222 posted for the Chm or Chemistry question: What subject is CHR? If you don't label the subjects correctly the proper tutor won't know you need help. This question can't be answered as posted. You need the

    asked by Writeacher on September 4, 2017
  69. math

    1. Suppose you want to cover the backyard with decorative rock and plant some trees as the first phase of the project. You need 30 tons of rock to cover the area. If each ton cost $60 and each tree is $75, what is the minimum number of trees you can buy

    asked by Anonymous on March 18, 2010
  70. Math

    Suppose you want to cover the backyard with decorative rock and plant some trees as the first phase of the project. You need 30 tons of rock to cover the area. If each ton cost $60 and each tree is $84, what is the maximum number of trees you can buy with

    asked by Amanda on June 21, 2008
  71. Chemistry

    For solution 1, 4.00mL of 0.0200 M Cr(NO)3 was added to 20.00ml of 0.0200 M Na2H2EDTA, then the a time and absorbance were taken every 5 mins. If at 5:00 min the absorbance was 0.039 how do I find [Cr3+]0, [CrEDTA-]t, and [Cr3+]t. The absorbance at 0:00

    asked by Fred on September 17, 2012
  72. College Physics

    Current passes through a solution of sodium chloride. In 1.00 second,2.68 x 10^16 Na+ ions arrive at the negative electrode and 3.92 10^16 Cl- ions arrive at the positive electrode. What is the current passing between the electrodes? mA What is the

    asked by Lanise on February 6, 2010
  73. 12th grade A.P.Economics

    Identify the trade-offs and opportunity cost of a decision using a decision-making grid. I know how to make a decision-making grid to show the opportnity cost....but how do i identify trade-off and opportunity cost in the grid???? I don't get the question

    asked by Ami on August 19, 2009
  74. Trigonometry

    Okay, I have been given a trigonometric equation to solve (sin^2(theta) + cos(theta) = 2). So far, I have been able to use the Pythagorean identity to get (-cos^2(theta) + cos(theta) - 1 = 0), which I then multiplied by -1 on both sides to get:

    asked by Veronica on March 24, 2011
  75. english

    hi~i'm writing a paragraph about High Absenteeism from School. could you help me to correct the grammar and see whether my ideas relates to my tpoic or not. The topic of absenteeism in school can be approached from several angles due to its complexity.

    asked by Jc on June 6, 2007
  76. small engane

    FIGURE A-9—This photo should be used to answer Question 15. 15. Two small engine technicians are disassembling the engine shown in Figure A-9. After observing the engine components, both technicians say that this engine has a splash-type lubrication

    asked by Amanda on September 5, 2013
  77. physics

    A cylinder is fitted with a piston that is connected to the bottom by a spring. The spring has a spring constant of k = 3600 N/m. The cylinder is open to air at the top and is frictionless. The radius of the cylinder is 25 mm and the piston has negligible

    asked by jeremy on November 21, 2013
  78. physics.pls help

    Participants in a road race take water from a refreshment station and throw their empty cups away farther down the course. If a runner has a forward speed of 6.20m/s, how far in advance of a garbage pail should he realease his water cup if the vertical

    asked by ted on November 9, 2011
  79. physics.pls help

    Participants in a road race take water from a refreshment station and throw their empty cups away farther down the course. If a runner has a forward speed of 6.20m/s, how far in advance of a garbage pail should he realease his water cup if the vertical

    asked by ted on November 8, 2011
  80. finance

    The Acme Company has its European subsidiary based in the Euro zone. The subsidiary must solve a series of five problems that require you to apply the concept of "time value of money," or TVM. The five problems are listed below. Solving them will require

    asked by Anonymous on May 8, 2008
  81. science

    When comparing hemodialysis and peritoneal dialysis, it can be said that A. hemodialysis takes longer than peritoneal dialysis. B. peritoneal dialysis involves the removal of blood from the patient. C. hemodialysis is a step closer to the need for

    asked by Anonymous on December 29, 2010
  82. health

    When comparing hemodialysis and peritoneal dialysis, it can be said that A. hemodialysis takes longer than peritoneal dialysis. B. peritoneal dialysis involves the removal of blood from the patient. C. hemodialysis is a step closer to the need for

    asked by KYM on December 29, 2010
  83. math

    New photo imaging techniques on computers allow artists to distort an image from its original shape. Figure 1 is a square image (X x X). Figure 2 is stretched 4 units wider and shrunk 4 units shorter than figure 1. (x+4)(X-4). How many square units greater

    asked by Jane on May 10, 2013
  84. Math

    how do I solve this problem. In 1920 the record for a certain race was 445.7 sec. In 1970, it was 44.2 sec. Let R(t) = the record in the race and t = the number of years since 1920. a) Find a linear function that fits the data R(t) = b) What is the

    asked by lisa on September 26, 2010
  85. math

    I am having trouble understanding how to solve this problem. I found an answer, about 74.2%, but I am not sure if that is correct. Any help would be greatly appreciated! A chess board has 64 squares, 32 white and 32 black, and is played with 16 black and

    asked by anonymous on May 25, 2015
  86. physicS IMP PLS

    Consider a rocket in space that ejects burned fuel at a speed of Vex = 1.5 km/s with respect to the rocket. The rocket burns 5% of its mass in 280 seconds. (a) What is the speed V of the rocket after a burn time of 140 seconds (in m/s)? (b) What is the

    asked by Hil on December 9, 2013
  87. communication

    where could find a good web site that would show me how to write a negative message to the phone company about charges that should not have been on your last month's bill. http://owl.english.purdue.edu/handouts/pw/index.html There are several sections in

    asked by ann on July 4, 2007
  88. My Friend Needs Help With a Calc Problem.

    how does five degrees east of north keep a plain going north when the wind pushes the plain four point six degrees west of north? This is not calculus. It is a vector problem. THe wind is pushing the plane west. If you need the solution, to find the

    asked by Sarah on October 12, 2006
  89. Computer programming

    The code below is supposed to calculate the average for a student using 10 grades. It contains several errors. Rewrite the code using the correct naming conventions and turn in the full solution and discuss using this topic. Dim arrGrades(10) as integer

    asked by Brenda on August 17, 2010
  90. Chemistry

    Citric acid is a tri-protic acid with a Ka1 =8.4x10-4 Ka2=1.8x10-5 and Ka3=4.0x10-6. calculate the pH at the 2nd equivalence point in the titration of 85.5 mL of a .21 M citric acid solution with .25 M NaOH. Calculate the pH, after 25.8 mL of NaOH have

    asked by Jill on December 9, 2015
  91. Math (Check answer)

    Please check the solution below: X, is assumed to be a random variable by placing letters of the word “YACHT” in a hat. If these letters are withdrawn then it gets replaced. A value of 1 is given when a vowel is retrieved, and a value of 2 is given

    asked by Anonymous on September 13, 2017
  92. Finance

    Consider a firm that has decided to make, but has not yet announced, a large “bonus” cash dividend amounting in the aggregate to $5 million. The firm has 1 million shares outstanding that sell for $20 each. The firm has no debt; there are no taxes; and

    asked by Dantes on October 20, 2011
  93. Physics

    A hardworking ant must supply 0.00955 N to pull a small piece of fruit at constant velocity over a distance of 8.60 cm up a small hill to the entrance of the colony. If the coefficient of kinetic friction between the piece of fruit and the 16.2° sloped

    asked by Anonymous on November 4, 2013
  94. Physics

    A hardworking ant must supply 0.00955 N to pull a small piece of fruit at constant velocity over a distance of 8.60 cm up a small hill to the entrance of the colony. If the coefficient of kinetic friction between the piece of fruit and the 16.2° sloped

    asked by Anonymous on November 3, 2013
  95. Physics

    A hardworking ant must supply 0.00955 N to pull a small piece of fruit at constant velocity over a distance of 8.60 cm up a small hill to the entrance of the colony. If the coefficient of kinetic friction between the piece of fruit and the 16.2° sloped

    asked by Anonymous on November 3, 2013
  96. Science

    A 40.0 g block of ice at -15 degrees C is dropped into a calorimeter (of negligible heat capacity) containing water at 15 degrees C. When equilibrium is reached, the final temperature is 8.0 degrees C. How much water did the calorimeter contain initially?

    asked by Ciara on November 29, 2014
  97. Physics

    A row of seats is parallel to a stage at a distance of 8.70 m from it. At the center and front of the stage is a diffraction horn loudspeaker that has a width of 7.50 cm. The speaker is playing a tone at a frequency of 9600 Hz . The speed of sound is 344

    asked by J on December 9, 2016
  98. Physics

    I have tried to solve this problem in multiple ways, but i keep getting it wrong please help A 48.0 {\rm kg} ice skater spins about a vertical axis through her body with her arms horizontally outstretched, making 1.50 turns each second. The distance from

    asked by Mark on March 3, 2008
  99. stats

    20. The sponsor of a local soccer tournament is responsible for writing an article for the local paper announcing the 151, 2nd, and3rdplacewinners. If10teamsareinvitedtothe tournament, and the sponsor wanted to get the article written in advance so it can

    asked by tim on February 26, 2012
  100. probability

    hi i really need help on how to solve these two problems, thank you so much!!! the manager of a local bank observes how long it takes a customer to complete his transactions at the automatic bank teller. a. describe an appropriate sample space for this

    asked by kelly on February 18, 2009

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