Questions Asked in 2010

Most Popular Questions of 2010

  1. geometry

    How do I find the surface area of a spere with a radius of 8cm

    asked by billy on May 25, 2010
  2. chemistry

    What is the complete ionic equation for CaS(aq) +CuCl2(aq)=CuS(s)+CaCl2(aq)

    asked by lupe on April 8, 2010
  3. english/CHECK

    My answers 1) Assail 2)Banal 3)mercenary 4)allusion 5)Taint 6) appease 7)Arbitrary 8)syndrome 9)altruistic 10)euphemism MY OLDER BROTHERS MARK HAS NO LUCK WITH WOMEN, HE GOES INTO ONE OF TWO STYLES OF CONVERSATION. THE FIRST IS TO (1) TAINT HER WITH A

    asked by jae on September 1, 2010
  4. spanish

    Querida Beth: 1) (blank) esta todo bien y esperamos que 2) (blank) tambien lo este. 3) (blank) lo pensemos y lo conversemos, tu padre y yo no estamos contentos con tu viaje. 4) (blank) en nuestras vidas estamos muy preocupados porque creemos que eres mu

    asked by kyle on October 20, 2010
  5. physics

    You throw a 20-N rock vertically into the air from ground level. You observe that when it is 15.0 m above the ground, it is travelling at 25.0 m/s upward. Use the work-energy theorem to find a) its speed just as it left the ground; b) its maximum height.

    asked by anton on February 21, 2010
  6. Math

    Why did King Kong eat a truck?

    asked by Di on April 20, 2010
  7. english

    this check my answer Words: Deterrent, implication, inequity, infirmity, infringe, innovation, revitalize, sparse, subjective, succinct, 1- 2 When the candidate for mayor saw the sparse turnout for his speech, he knew he had to do something to revitalize

    asked by jae on August 30, 2010
  8. Calculus

    If the volume of a cube is increasing at 24 in^3/min and the surface area of the cube is increasing at 12 in^2/min, what is the length of each edge of the cube? I know that dV/dt=24 and ds/ds=12. I also know that Volume=s^3 and Surface Area=6*s^2, but what

    asked by Anna on December 7, 2010
  9. International Econ.. Please Help!

    Practical dicussion of trade policy is dominated by considerations of income distribution. How does trade policy affect income distribution in a country? Discuss.

    asked by Mary on July 26, 2010
  10. chemistry

    what volume (in ML) of a 0.150 M HNO3 solution is required to completely react wtih 35.7 mL of a 0.108 M Na2CO3 solution according to the following balanced chemical equation? Na2CO3(aq) + 2 HNO3(aq) --> 2NaNO3(aq) + H2O(l) then, in the reaction above,

    asked by samantha on June 21, 2010
  11. 2nd grade

    guess rule with letters. Fit the rule AEFHIKLN Do Not fit BCDGJOP HOW TO FIND THE RULE?

    asked by rosa on January 27, 2010
  12. English

    Identify the pronouns in each sentence. Then decide if each is nominative (N), objective (O), or possessive (P). 1. Why wasn't he invited to Anila's party? 2. I hope Anila left me directions to her house. 3. My sister will pick us up after Anila's party.

    asked by Sarah Perez on October 10, 2010
  13. pH

    Determine the pH of each of the following solutions. 0.21 M KCHO2 0.19 M CH3NH3I 0.19 M KI I'm not sure how i should set up the ice chart, and what Ka I should be using for the solutions

    asked by Kyle on March 24, 2010
  14. Math

    A group of nine students has a mean of 3.5 people in their households. Make a line plot showing an example of this data set

    asked by Joe on January 5, 2010
  15. Business

    Thomas Kratzer is the purchasing manager for the headquarters of a large insurance company chain with a central inventory operation. Thomas’s fastest moving inventory item has a demand of 6000 units per year. The cost of each unit is $100.00, and the

    asked by Jackson on September 20, 2010
  16. Chemistry...Help!!

    I don't even know how to start this...The valence electron configurations of several atoms are shown below. How many bonds can each atom make without hybridization? 1. Si 3S2 3P2 2. P 3S2 3P3 3. F 2S2 2P5

    asked by Stacy on November 6, 2010
  17. Chemisty.....Help =))

    What is the molarity of ZnCl2 that forms when 30.0g of zinc completely reacts with CuCl2 according to the following reaction? Assume a final volume of 285 mL . (please explain step by step I have no clue!) Zn(s) + CuCl2(aq) --> ZnCl2(aq)+ Cu(s)

    asked by Lisa, Help needed! on December 7, 2010
  18. math

    did you hear about..... p.188 PRE-ALGEBRA WITH PIZZAZZ

    asked by blargwork on October 4, 2010
  19. physics

    a light string 4 meters long is wrapped around a solid cylindrical spool with a radius of 0.075 m and a mass of .5 kg.a 5kg mass is then attached to the end of the string, causing the string to unwind from the spool. a. what is the angular acceleration of

    asked by mariel on December 3, 2010
  20. chem

    AgNO3+NaOH-->AgOH+NaNO3 give me molecular , total ionic and net ionic???"

    asked by julia on November 9, 2010
  21. Physics

    An empty rubber balloon has a mass of 0.012kg. the balloon is filled with helium at 0 degrees celcius, 1 atm pressure, and a density of 0.179 kg/m3. the filled balloon has a radius of 0.5 m. a)what is the magnitude of the buoyant force acting on the

    asked by Taylor on March 4, 2010
  22. Physics

    A 0.075 kg ball in a kinetic sculpture moves at a constant speed along a motorized conveyor belt. The ball rises 1.32 m above the ground. A constant frictional force of 0.350 N acts in the direction opposite the conveyor belt's motion. What is the net work

    asked by Brian on December 9, 2010
  23. Algebra 2

    Find the values of the 30th and 90th percentiles of the data 18, 9, 7, 5, 11, 7, 17, 20, 19, 2, 17, 12, 5, 1, 13, 12, 11, 15, 16, 20 * 30th percentile = 9 90th percentile = 20 * 30th percentile = 9 90th percentile = 19 * 30th percentile = 11 90th

    asked by Skye on May 24, 2010
  24. US History

    how was the establishment of the cabinet the most significant event in George Washington's presidency?

    asked by Anonymous on December 19, 2010
  25. chemistry

    For each trial, enter the amount of heat gained by the chemical system of ammonium nitrate, qrxn. The specific heat of water is 4.184 J/goC. Report your answer using 4 digits. The information given is: Trial # Tiwater Tf Masswater #1: 21.2 10.8 24.990 #2:

    asked by Megan on April 6, 2010
  26. chemistry

    Enter the net ionic equation for the reaction of aqueous sodium chloride with aqueous silver nitrate

    asked by ej on October 11, 2010
  27. chem

    In a solution prepared by mixing CH3OH with H2O the major species pesent are 1. a. CH3+, OH, and H2O 2. b. CH3O, H+, and H2O 3. c. CH3OH and H2O 4. d. CH3OH, H+, and OH I know i have to get an equation having trouble doing that!! please help!!

    asked by Mark on April 24, 2010
  28. Chemistry- college

    The standard enthalpies of formation of ions in aqueous solutions are obtained by arbitrarily assigning a value of zero to H ions;that is, delta H(f) [H+(aq)]=0 A.for this reaction: calculate delta H(f) for the Cl- ions. HCl(g) ==H2O==>H+(aq)+Cl-(aq) delta

    asked by Willy on November 1, 2010
  29. english

    Use at least five adverbs and five adjectives to write a 150- to 300-word review of a movie, sporting event, musical performance, or television show. · Bold each adverb. · Underline each adjective. · Compare the event to one or more similar events. When

    asked by dazzy on September 15, 2010
  30. websiteaddress

    One of my favorite home pages is coming up 404 URL Not Found on this server and it has never done that before. Could an Internet savvy person point out why this could be happening? Could just this particular place be experiencing technical difficulties?

    asked by SurferDude on May 3, 2010
  31. english

    write a review of a performance . the performance can be either a production or a film

    asked by amanda on January 12, 2010
  32. english

    HELP PLEASE!!?? Use at least five adverbs and five adjectives to write a brief review of a movie, sporting event, musical performance, or television show. Bold each adverb. Underline each adjective. Compare the event to one or more similar events. When

    asked by smb on September 8, 2010
  33. Math Pizzaz worksheet 9.3

    What happens when the King of Beasts runs in front of a train? I cant figure out the riddle. I need help! :)

    asked by Mintsey on October 27, 2010
  34. COM155

    Use at least five adverbs and five adjectives to write a brief review of a movie, sporting event, musical performance, or television show. • Bold each adverb. • Underline each adjective. • Compare the event to one or more similar events. When

    asked by Glenda on December 17, 2010
  35. College Chemistry

    I balanced the equation: HBr(aq) +NH3(aq)->NH4Br I need to find the ionic equation and the net ionic equation

    asked by KELLY on October 3, 2010
  36. College Chemistry

    Amphetamine (C9H13N) is a weak base with a pKb of 4.2. Calculate the pH of a solution containing an amphetamine concentration of 215 mg/L. I calculated the molarity as 1.58*10^-3 and the Ka as 1.58*10^-10. I did ICE and i got the pH as 6.3, but it was

    asked by Kyle on March 23, 2010
  37. Chemistry

    Write a molecular equation for the precipitation reaction that occurs (if any) when the following solutions are mixed. If no reaction occurs, write NOREACTION. Are my answers below correct? I used the textbook 1. sodium chloride and lead (II) acetate

    asked by Jerry on October 5, 2010
  38. chemistry HELP!

    Solve an equilibrium problem (using an ICE table) to calculate the pH of each solution: a solution that is 0.170 M in HC2H3O2 and 0.105 M in KC2H3O2

    asked by Lisa on December 15, 2010
  39. physics

    The earth has a radius of 6380 km and turns around once on its axis in 24 h. 1)What is the radial acceleration of an object at the earth's equator? Give your answer in m/s^2 2) What is the radial acceleration of an object at the earth's equator? Give your

    asked by Ami on September 9, 2010
  40. university chemistry

    The instruction booklet for your pressure cooker indicates that its highest setting is 11.4 psi. You know that standard atmospheric pressure is 14.7 psi, so the booklet must mean 11.4 psi above atmospheric pressure. At what temperature will your food cook

    asked by elena on January 31, 2010
  41. PHY

    Two snowcats tow a housing unit to a new location at McMurdo Base, Antarctica, as shown in Figure 4-46. The sum of the forces A and B exerted on the unit by the horizontal cables is parallel to the line L, and FA = 4300 N. Determine FB and the magnitude of

    asked by AMI on September 13, 2010
  42. Chem

    Give the ideal bond angle for BrO3- ion? I know this has trigonal bipyramidal geometry and therefore the bond angle is < 109.5. Is there a way to determine a more specific bond angle?

    asked by Lauren on February 12, 2010
  43. Chemistry

    Estimate the value of the equilibrium constant at 550 K for each of the following reactions. 1) 2CO(g) + O2(g) 2CO2(g) 2) 2H2S(g) 2H2(g) + S2(g) Thanks in advance!

    asked by Miguel on July 18, 2010
  44. Chemistry

    How many CO2 molecules would be formed from the reaction mixture that produces the greatest amount of products? 2CH3OH(g)+3O2(g)--->2CO2(g)+4H2O(g) 3-CH3OH & 3-O2 or 1-CH3OH & 6-O2 or 4-CH3OH & 2-O2

    asked by Jazmin on April 2, 2010
  45. Physics

    If 6.40 x 10^-19 joule of work is required to move a proton between two points A and B in an electric field, what is the potential difference between points A and B? Given: W = 6.40 x 10^-19

    asked by Priscilla on February 5, 2010
  46. Physics

    A 1000 kg car pushes a 2000 kg truck that has a dead battery. When the drive steps on the accelerator, the drive wheels of the car push against the ground with a force of 4500 N. a) What is the magnitude of the force of the car on the truck? b) what is the

    asked by Sarah on June 12, 2010
  47. Chemistry

    Hello, I have a question that reads: Using the average molarity of your initial acetic acid solutions, the initial volumes, and the volume of NaOH added to reach the equivalence point, calculate the [C2H3O2-] concentration at the equivalence point. You

    asked by Jens on May 9, 2010
  48. physics

    A space station, in the form of a wheel 110 m in diameter, rotates to provide an "artificial gravity" of 3.00 m/s2 for persons who walk around on the inner wall of the outer rim. Find the rate of rotation of the wheel (in revolutions per minute) that will

    asked by laura on July 10, 2010
  49. chem class

    which of the following has the highest boiling point? a)C2Cl6 b)C2Br6 c)C2H6 d)C2F6 e)C2I6 i know its e, but why is that the answer? are all questions about boiling points similar? or they they have to do with intermolecular forces? i have a test soon on

    asked by RiChy on September 16, 2010
  50. Chemisty

    Using the equation Zeff = Z - S and assuming that core electrons contribute 1.00 and valence electrons contribute 0.00 to the screening constant, S, calculate Zeff for the 2p electrons in F^- and Na^+ Repeat this calculation using Slater's rules to

    asked by Jerica on April 5, 2010
  51. chemistry

    Nitrosyl bromide decomposes according to the following equation. 2NOBr (g)(equilibrium arrow) 2NO (g) + Br2 (g) A sample of NOBr (0.64 mol) was placed in a 1.00-L flask containing no NO or Br2. At equilibrium the flask contained 0.46 mol of NOBr. How many

    asked by jessie on November 19, 2010
  52. Chemistry

    A battery is constructed based on the oxidation of magnesium and the reduction of Cu^2+. The initial concentrations of Mg^2+ and Cu^2+ are 1.2*10^-4M and 1.5M, respectively, in 1.0-L half-cells. The initial voltage of the battery is 2.83V with the standard

    asked by Emma on May 2, 2010
  53. Chemistry

    the activation energy for the decomposition of HI(g) to H2(g) and I2(g) is 186kj/mol. the rate constant at 555k is 3.42 x 10^-7 L/mol*s. What is the rate constant at 645K? Please show all steps USING THE ARRHENIUS EQUATION. Here is my work so far: K = A

    asked by Jim on October 26, 2010
  54. The continental drift theory

    Explain how the following pieces of evidence supported the continental drift theory. a) matching continental margins b) similar animal fossils in South America and Africa c) similar rock types and structures in North America and northern Europe d) magnetic

    asked by Anonymous on July 26, 2010
  55. Physics

    A ball is thrown straight downward with a speed of 0.50 m/s from a height of 4.0 meters. What is the speed of the ball 0.70 seconds after it is released? GIVEN: Vi = 0.50 m/s Vf = ? d = 4 m t = 0.70 s

    asked by Priscilla on February 2, 2010
  56. physics

    a 2000 kg car rounds a circular turn of radius 20.0 meters. if the road is flat and the coefficient of static friction between the tires and the road is .70, how fast can the car go without skidding

    asked by mallory!!!!!!!!!!!! on January 24, 2010
  57. Geographyand socity

    1. _______________________ is the science of predicting the weather. (1 point) Climatology Ecology Meterology Botany 2. _______________________ is the condition of the atmosphere at any given location and time. (1 point) Weather Precipitation Climate

    asked by vensu on October 5, 2010
  58. science

    in a symbiotic relationship a) both organisms always benefit b) both organisms are harmed c) both organisms never benefit d) at least one organism always benefits e) neither organisms is affected d

    asked by pam on September 21, 2010
  59. PHySics

    A 1.63 nF parallel-plate capacitor is charged to an initial potential difference ΔVi = 100 V and then isolated. The dielectric material between the plates is mica, with a dielectric constant of 5.00. (a) How much work is required to withdraw the mica

    asked by Physics on May 12, 2010
  60. math

    why are bacteria bad at math? its a worksheet.

    asked by sage on February 2, 2010
  61. Physics

    1. The electrostatic force of attraction between two small spheres that are 1.0 meter apart is F. If the distance between the spheres is decreased to 0.5 meter, the electrostatic force will be a) F/2 b) 2f c) F/4 d) 4F I know when the distance is decreased

    asked by Priscilla on February 3, 2010
  62. mole fraction

    A solution contains a mixture of pentane and hexane at room temperature. The solution has a vapor pressure of 241 torr. Pure pentane and hexane have vapor pressures of 425 torr and 151 torr, respectively, at room temperature. What is the mole fraction of

    asked by Kyle on January 30, 2010
  63. 8th grade

    what is the answer to what do you call drilling 4,876 holes?

    asked by Anonymous on March 20, 2010
  64. physics

    In a physics lab experiment, a spring clamped to the table shoots a 22 g ball horizontally. When the spring is compressed 22 cm, the ball travels horizontally 5.2 m and lands on the floor 1.3 m below the point at which it left the spring. What is the

    asked by Naso on March 23, 2010
  65. language arts

    IN the poem “Swift Things are Beautiful” by Elizabeth Coatsworth reveals that every thing is beautiful in its own way. Although the title says that only swift things are beautiful, the poet also lists slow things that are beautiful. She uses unusual

    asked by Hannah on April 25, 2010
  66. chemistry

    Compare a mole of Ag-108 and a mole of Pt-195 using atoms, protons, electrons, and neutrons.

    asked by Astrid on March 11, 2010
  67. Math

    An airplane's velocity with respect to the air is 580 miles per hour, and it is heading N 60 degrees W. The wind, at the altitude of the plane, is from the southwest and has a velocity of 60 miles per hour. What is the true direction of the plane, and what

    asked by Hannah on April 1, 2010
  68. College Chemistry

    Calculate the ratio of NaF to HF required to create a buffer with pH=3.95. Also, can you please explain in a nutshell the whole concept of buffers? Thanks!

    asked by Katie on March 23, 2010
  69. Chemistry

    The normal boiling point of ethanol is 78.4°C. When 9.16 g of a soluble nonelectrolyte was dissolved in 100. g of ethanol, the vapor pressure of the solution at that temperature was 7.40 102 Torr. (a) What are the mole fractions of ethanol and solute? (b)

    asked by Daiyo on December 10, 2010
  70. Physics

    Question: The amount of internal energy needed to raise the temperature of .25 kg of water by 0.2 degrees Celsius is 209.3 J. How fast must a 0.25 kg baseball travel in order for its kinetic energy to equal this internal energy? KE = (.5)(m)(v^2) 209.3 J =

    asked by mike on February 15, 2010
  71. physics

    a 20 kg loudspeaker is suspended 2m below a ceiling by two 3m-long cables that angle outward at equal angles. what is the tension in the cables?

    asked by sam on November 11, 2010
  72. Algebra

    Why are small balloons cheaper than large balloons?

    asked by Sakura on February 17, 2010
  73. Physics

    An 8.00 g bullet is fired into a 250 g block that is initially at rest at the edge of a table of 1.00 m height (Fig. P6.26). The bullet remains in the block, and after the impact the block lands 2.00 m from the bottom of the table. Determine the initial

    asked by having trouble on November 21, 2010
  74. please check

    As Alex sat down in the carnival tent, the lights dimmed. A spotlight revealed a short, heavy man holding a thick chain. He tugged the chain, and an old, muzzled bear appeared. The man, the animal's owner, announced that the bear's name was Sally. He said

    asked by jae on August 30, 2010
  75. Calculus

    A piece of wire 40cm long is cut into two pieces. One piece is bent into the shape of a square and the other is bent into the shape of a circle. How should the wire be cut so that the total area enclosed is a) a maximum? /b) a minimum? Perimeter of square

    asked by sh on January 20, 2010
  76. Business Calculus

    An ice cube that is 3 cm on each side is melting at a rate of 2 cm cubed per minute. how fast is the length of the side decreasing?

    asked by Joel on October 21, 2010
  77. Physics

    The driver accelerates a 240.0 kg snowmobile, which results in a force being exerted that speeds up the snowmobile from 6.00 m/s to 28.0 m/s over a time interval of 60.0 s. b. What is the snowmobile's change in momentum? What is the impulse on the

    asked by Shawn on January 6, 2010
  78. pscyhology

    It is my final test and I want to do a good job! Below I will show you the questions and what I think the answer is, if any are wrong can you please tell me which and EXPLAIN why they are so I can actually learn!? Here we go: 1. Which one of the following

    asked by Jessyca on November 8, 2010
  79. Chemistry!!

    A chunk of silver has a heat capacity of 42.8 J for 1ºC and a mass of 181g. Calculate the specific heat of silver.

    asked by Meg Hat on May 21, 2010
  80. Chemistry

    Calculate the [h3o+] of the following polyprotic acid solution: 0.135 M H2CO3

    asked by Krysten on March 25, 2010
  81. Chemistry

    How much heat is absorbed/released when 35.00 g of NH3(g) reacts in the presence of excess O2(g) to produce NO(g) and H2O(l) according to the following chemical equation? 4NH3(g)+5O2(g)--->4NO(g)+6H2O(l) DeltaH=1168kj

    asked by Daqa on March 18, 2010
  82. math/calculus

    an electric current I , in amps is given by: I= cos(wt) + sqrt of 3 sin(wt) where w is positive constant. what are the max and minimum values of I? *please be specific

    asked by miley on March 30, 2010
  83. Chemistry

    Determine whether each of the following salts will form a solution that is acidic, basic, or pH-neutral? Al(ClO4)3-Acid LiCl-Neutral KClO2-BAse C6H5NH3NO2-Acid CH3NH3Br-Acid KCl-Neutral NaClO-Base NH4ClO-Acid Fe(ClO4)3-Acid C2H5NH3NO3-Acid Is this right?

    asked by Anonymous on October 23, 2010
  84. Chem (HELP ASAP)

    Phenol C6H5OH partially dissociates in water as shown C6H5OH + H2O --> H3O+ + C6H5O- If Ka is 1.6*10^-10 and the concentration of H3O and C6H5O are both 1.0*10^-5 M at equilibrium, what would be the concentration of phenol?

    asked by maria on June 8, 2010
  85. Chemistry

    The following reaction is first order, C2H6==> 2CH3. If the rate constant is equal to 5.5 x 10-4 s^-1 at 1000 K, how long will it take for 0.35 mol of C2H6 in a 1.00 L container to decrease to 0.20 mol in the same container? Thank you very much

    asked by gaby on March 1, 2010
  86. statistics

    An IRS auditor randomly selects 3 tax returns from 58 returns of which 8 contain errors. What is the probability that she selects none of those containing errors?

    asked by Kerri on September 19, 2010
  87. chemistry

    2. A 350 mL buffer solution containing 0.15 M HF and 0.150 M NaF is reacted with sodium hydroxide. What mass of NaOH can this buffer neutralize before the pH rises above 4.0? If the same volume of buffer was 0.35 M in HF and 0.35 M in NaF then what mass of

    asked by help on December 1, 2010
  88. The elements and Principles of Design

    CAN SOMEONE PLEASE CHECK MY ANSWERS. (MY ANSWERS ARE AT THE BOTTOM...) 1. Which one of the following factors is one of the principles of design? A. Form C. Pattern B. Color D. Balance 2. Of the following expressions, which best describes the concept of

    asked by Anonymous on August 19, 2010
  89. physics

    A 1000 kg sports car accelerates from 0 to 30 m/s in 10 s. What is the average power of the engine?

    asked by Anonymous on June 23, 2010
  90. math

    What does a boy who likes to play with switches do

    asked by Anonymous on November 30, 2010
  91. A.P. Chemistry

    You have solutions of 0.200 M HNO2 and 0.200 M KNO2 (Ka for HNO2 = 4.00  10-4). A buffer of pH 3.000 is needed. What volumes of HNO2 and KNO2 are required to make 1 liter of buffered solution?

    asked by Oli on April 3, 2010
  92. math

    1. You are debating about whether to buy a new computer for $800.00 or a refurbished computer with the same equipment for $640.00. If a savings account earns 4.5% APR interest, how much do you really save with a refurbished computer if you put the

    asked by Donnie on December 1, 2010
  93. chemistry

    what is the cation and anion of Na3PO4? thanks

    asked by rebekah on November 23, 2010
  94. chem

    A 120.0 mL buffer solution is 0.105 M in NH3 and 0.135 M in NH4Br, What mass of HCl could this buffer neutralize before the pH fell below 9.00?

    asked by moe on October 25, 2010
  95. math

    George saves 18% of his total gross weekly earnings from his 2 part-time jobs. He earns $6.25 per hour from one part-time job and $7.50 per hour from the other part-time job. George works a total of 40 hours between the two jobs each week. What additional

    asked by donna on October 22, 2010
  96. Implicit Differentation-Cal

    if sin(xy)=x, then dy/dx=

    asked by Anonymous on March 23, 2010
  97. Physics Inertia : Merry-go-round

    A playground merry-go-round of radius 1.96 m has a moment of inertia 335 kg m2 and is rotating at 12.3 rev/min. A child with mass 43.1 kg jumps on the edge of the merry-go-round. What is the new moment of inertia of the merry-go-round and child, together?

    asked by HELP ME!! on April 19, 2010
  98. physics

    A block of ice of mass 4.10 kg is placed against a horizontal spring that has force constant k = 210 N/m and is compressed a distance 2.60×10−2 m. The spring is released and accelerates the block along a horizontal surface. You can ignore friction and

    asked by ami on October 7, 2010
  99. english please check

    Answer 1.Elicit 2.Engross 3.obsolete 4.Terminate 5.Tangible 6.Acclaim 7.Exploit 8.Escalate 9.Methodical 10. Adjacent 1-2 The gifted ice skater's routine _(e)d the audience . It was the epitome grace and power combined. At the end, a long, rapid spin _(e) d

    asked by jae on August 30, 2010
  100. Chem

    Plese tell me if these are right. A 15.0-mL sample of NaCl solution has a mass of 15.78g. After the NaCl is evaporated to dryness, the dry salt residue has a mass of 3.26g. Calculate the following concentrations for the NaCl solution. a. %(m/m)= 3.26 x 100

    asked by Jason on November 7, 2010