Questions Asked in January 2009

Most Popular Questions of January 2009

  1. math

    what is the title of this picture?

    asked by Jena on January 21, 2009
  2. Question

    Okay just wondering, is the 'bibliography' and 'credits' the same thing? thanks./

    asked by Larry on January 18, 2009
  3. english

    what does these quote mean? 1.)"my life for itself and not for a spectacle" 2.)An institution is the lengthened shadow of a man. 3.) Life only avails, not the having lived. 4.) Insist on yourself; never imitate Thanks for your help!

    asked by jess on January 4, 2009
  4. math

    How do you find the area for an irregular figure using 3.14 for pi?

    asked by alice on January 13, 2009
  5. chem

    The crystal structure of lithium sulfide (Li2S) is pictured here. (Intro 1 figure) The edge length of the unit cell is 5.88*10^2^2 pm. i guess it is FCC ( face cenred cubic) 1-- What are the coordination numbers of and Li^+ and S^2- in the lithium sulfide

    asked by Dr Bob plz help on January 24, 2009
  6. Math

    What did they call the duck who became a test pilot? (no it is not firecracker) (its 13 letters) (the worksheets box thing is sk y s af e il ly be er st qu it i a du ck mb in h er up)

    asked by skoolgurl on January 5, 2009
  7. 12th grade

    A particle starts at x=0 and moves along the x-axis with velocity v(t)=2t+1 for time t is less than or equal to 0. Where is the particle at t=4?

    asked by Barbara on January 6, 2009
  8. chemistry

    Nitrogen (N2) and hydrogen (H2) react to form ammonia (NH3). Consider a mixture of six nitrogen molecules and six hydrogen molecules in a closed container. Assuming the reaction goes to completion, what will the final product mixture be? number of NH3

    asked by lyne on January 23, 2009
  9. SCIENCE!!

    what are two examples of these four types of systems? Physical systems designed by people Naturally occuring physical systems Social Systems that I am a part of Naturally occuring social systems

    asked by beeca on January 28, 2009
  10. 3rd math

    Write 35 divided by 7 in three different ways. What is the quotient? do they mean 35 divided by 5= 7 , 35 divided by 7= 5 or by sign?

    asked by eve on January 23, 2009
  11. physics

    a 500 N person stands on a uniform board of weight 100 N and length 8 m. the board is supported at each end. if the support force at the right end is three times that at the left end, how far from the right end is the person? please explain

    asked by amanda on January 4, 2009
  12. chemistry

    The element rhenium (Re) has two naturally occurring isotopes, 185Re and 187Re, with an average atomic mass of 186.207 amu. Rhenium is 62.60% 187Re, and the atomic mass of 187Re is 186.956 amu. Calculate the mass of 185Re. am i supposed to multiply the

    asked by lyne on January 5, 2009
  13. chemistry

    Solid zinc and aqueous hydrogen sulfate reacts to produce hydrogen gas and aqueous zinc sulfate Is this the right answer Z(aq)+HS equals H(G) ZS? if not can u please correct me

    asked by Lauren on January 26, 2009
  14. CHemistry....Please help

    How would i calculate the density of Li2S in grams per cubic centimeter? I have to use the equation : density= mass/ volume: But i don't know how to find out the volume using the edge length of the unit cell which is 5.88* 10^2 pm.

    asked by Saira on January 25, 2009
  15. math

    A water balloon is shot into the air so that its height h, in metres, after t seconds is h = —4.9t^2 + 27t + 2.4 a)How high is the balloon after 1 s? b)For how long is the balloon more than 30 m high? c)What is the maximum height reached by the balloon?

    asked by gagan on January 23, 2009
  16. reading

    What part of speech is "has passed" in the sentence? Seth "has passed" everyone in the motorcycle race.

    asked by Burt on January 13, 2009
  17. Chemistry repost

    Whoever you are -- Please DO NOT USE TUTORS' NAMES where your name or nickname should be. ~~~~~~~~~~~~~~~~~~~~~~~~~~ as i earlier posted and , 1 day ago , i am confusesd hw we ll find freezing point......isnt it T pure solvent - T solution .. which ll be

    asked by Writeacher on January 25, 2009
  18. Poem:Birthday by M.T Buckley

    I type the poem for you Birthday Geronimo. I jumped into the world No parachute. Bootless, falling into enemy territory into the night (had my eyes closed). Didn't take them long to find me These suicide missions are all the same Name? Not yet. Unit? 82nd

    asked by arepostle fan 1 on January 31, 2009
  19. Chem

    There are three questions in particular that I am having problems with. Here they are 1. A standard solution of FeSCN2+ is prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN. The equilibrium concentration of FeSCN2+ ([FeSCN2+]std)

    asked by Mark on January 19, 2009
  20. math (trigonometry)

    help me solve this coz im stumped secx-secx sin^2x= cosx thanks

    asked by Kakashi on January 11, 2009
  21. math

    why did the cow want a divorce?

    asked by Greener the Better on January 24, 2009
  22. Poem: A Voice by Pat Mora

    Could you please check my answers thanks 1.What happens when the mother goes to the state capitol to give her speech? Answer: When the mother goes to the state capitol to address her speech she wanted to hide her face. Also she faked hoarseness, and she

    asked by Remy on January 26, 2009
  23. electric field intensity

    Two 2.0 g spheres are suspended by 10.0 cm long light strings. A uniform electric field is applied in the x direction. If the spheres have charges of -5.0 10-8 C and +5.0 10-8 C, determine the electric field intensity that enables the spheres to be in

    asked by tony on January 17, 2009
  24. math

    What is the larger remainder possible if the divisor is 5?

    asked by Dianna on January 6, 2009
  25. Check my other the road not taken questions

    1. Where do frosts roads diverge? Frosts rads diverged in a yellow wood. 2. Which road did the speaker in Frosts poem choose? The speaker took the road that was less traveled upon. 3. In frosts poem, the speaker chooses between two different paths in the

    asked by Megan on January 22, 2009
  26. Chem Help

    In body of fresh water, a dissolved oxygen concentration of 0.225 mM or higher is usually needed to maintain a healthy aquatic ecosystem. For a lake to maintain this concentration, what is the maximum water temperature?

    asked by Sene on January 31, 2009
  27. Plz someone Chem Urgent Help

    The overall energy involved in the formation of CsCl from Cs(s) and Cl2 (g)is - 443 kj/mol. Given the following information: •heat of sublimation for Cs is +76 kj/mol, •bond dissociation energy for ½ Cl2is +121 kj/mol, •E(11) for Cs is +376 kj/mol,

    asked by Samenia on January 16, 2009
  28. math

    Whom should you see at the bank if you need to borrow money?

    asked by Greener the Better on January 21, 2009
  29. Physics

    1.what is the shortest possible time in which a bacterium could travel a distance of 8.4 cm across a Petri dish at a constant speed of 3.5 mm/s. the answer is 24s. how? 3.An athlete swims from the north end to the south end of a 50.0m pool in 20.0s and

    asked by y912f on January 29, 2009
  30. U.S. History

    please check if my answer is correct Which was a provision of the Missouri Compromise of 1820 a. Missouri and Maine were denied statehood b. Western territories north of Missouri's southern border were closed to slavery c. Slavery could not spread to any

    asked by y912f on January 24, 2009
  31. calculus

    Find the dimensions of the largest open-top storage bin with a square base and vertical sides that can be made from 108ft^2 of sheet steel. (Neglect the thickness of the steel and assume that there is no waste)

    asked by Barbara on January 3, 2009
  32. Chemistry

    The temperature of a sample of neon is raised from 20 degrees C to 40 degrees C, the average kinetic energy of the neon atoms changes by a factor of? The answer is suppose to be 313/293, but I don't get how. My idea was since average KE = (3/2) kT then the

    asked by Unsure on January 7, 2009
  33. chemistry

    Benzene has a heat of vaporization of 30.72kj/mol and a normal boiling point of 80.1 C . At what temperature does benzene boil when the external pressure is 410 ? This is how I am solving this problem, ln(415/760)= (30720/8.314)*(1/80.1 - 1/T2) It is

    asked by Lost on January 25, 2009
  34. 8th Grade Algebra: Answer Check

    Find the length of the 3rd side of each right triangle. 1. 8^2+15^2=c^2 Answer: c=17 2. 5^2+b^2=13^2 Answer: b=12 3. 9^2+13^2=c^2 Answer: c~15.81 Simplify. Assume that all variables are nonnegative. { this means square root 4. {12 Answer: 2{3 5. 2{75

    asked by Joy on January 20, 2009
  35. Algebra 2

    What's the answer to Algebra With Pizzazz B-50, Page 60???

    asked by Terrell on January 7, 2009
  36. Gr.11 Math

    A large company has a phone tree to contact its employees in case of an emergency factory shutdown. Each of the five senior managers calls three eployees, who calls three other employees and so on. If the tree consists of seven levels, how many employees

    asked by Nancy on January 5, 2009
  37. Math

    Help prove this identitiy tan(pi/4+x)+tan(pi/4-x)=2sec2x

    asked by Gifty on January 4, 2009
  38. Similes

    Complete each sentence with a simile. His tail wagged like..... the old man petted him as tenderly as he would...... Like, can someone please help me with these two. It's driving me crazy! thank you,

    asked by Larry on January 15, 2009
  39. 2nd grade Math

    Guess my rule with 2 rules. Rule 1:White Diamond,White Square, White Trapezoid Rule 2: Grey Pentagon,Grey Oval, Grey Triangle Fits both rules: Grey Rhombus, Grey Rectangle 1. Guess Rule A: Has 4 sides and 4 corners 2. Guess Rule B: ?? 3. What shape fits

    asked by Jessica on January 21, 2009
  40. science help

    how are well-developed soils similar to young soils? how are they different?

    asked by Anonymous on January 24, 2009
  41. College Statistics 2

    I saw that this was already answered but I can't find it if anyone knows, can you point me in the right direction? A recent poll of 700 people who work indoors found that 278 of them smoke.If the researchers want to be 98% confident of thier results to

    asked by Andrea on January 28, 2009
  42. chemistry

    explain why the pure solvent shows a level horizontal curve as solidification occurs, but the curve for the solution slopes downward slightly. The solvent is BHT and the added particles are an unknown compound. My reasoning is that it happens because the

    asked by Unsure on January 26, 2009
  43. Math

    Prove this identity 1. csc^2(pi/2-x)=1+sin^2xcsc^2(pi/2-x) 2. tan(pi/4+x)+tan(pi/4-x)=2sec2x

    asked by Gifty on January 3, 2009
  44. statistics

    Data on number of days of work missed and annual salary increase for a company's employees show that in general exployees who missed more days of work during the year received smaller raises than those who missed fewer days. A detailed analysis showed that

    asked by Jannel on January 31, 2009
  45. Physics

    In a front-end collision, a 1400 kg car that has shock-absorbing bumpers can only withstand a maximum force of 75 kN before any sort of damage occurs.If the maximum speed for a car that is nondamaged in a collision is 10 Km/h, by how much must the bumper

    asked by Harold on January 29, 2009
  46. Physics

    A 2.0 kg mass starts from rest and slides down an inclined plane 8.0 X 10^-1 m long in .50s. what net force is acting on the mass along the incline. I have no idea how to do this I don't know why they just didn't say .8m the back of the book says 13 N down

    asked by physics on January 28, 2009
  47. math

    Three students from grades 10,11 and 12 were elected to the student council. Grade 10: Tom(T), Sally(s) and Bill(B) Grade 11: Jerry(J),Anne(A)and Connie(C) Grade 12: Dan(D), Martha(M) and Gwen(G) A three member committee is to be formed with one person

    asked by Katie on January 30, 2009
  48. CHemistry...Please help

    Rank these liquids by their expected surface tension. Rank from greatest to least surface tension. 1.CH3CH2OCH3 2.CH3CH2CH2-OH 3.CH3CHOHCH2-OH 4.HO-CH2CHOHCH2-OH So as Dr. Bob mentioned to me before surface tension is how the surface molecules stick

    asked by Saira on January 19, 2009
  49. Poem: Annabel Lee by Edgar Allen Poe

    Could you check these answers that go with the poem? Thanks 1. After reading "Annabel Lee," what images linger in your mind. Answer: The images that linger my mind are the kingdom by the sea, her grave by the sea, and the great love the two both shared. 2.

    asked by Crystal on January 24, 2009
  50. math-statistics

    An appliance manufacturer stockplies washers and dryers in a large warehouse for shipment to retail stores. Sometimes in handling then the appliances get damaged. Even though the damage may be minor, the company must sell those machines at drastically

    asked by Sherri on January 7, 2009
  51. calculus

    The position of two particles on the s-axis are s1= cos(t) and s2= cos(t+(symbol for pie)/4) a. what is the farthest apart the particles ever get? b. when do the particles collide?

    asked by Barbara on January 3, 2009
  52. Physics

    what forms of energy are involved in the following situations? (choices: kinetic energy, potential energy - gravitational potential energy, elastic potential energy) a. a bicycle coasting along a level road b. heating water c. throwing a football d.

    asked by PB and apples on January 25, 2009
  53. chem

    What would be the effect of raising the temperature and increasing the carrier gas flow rate on the ability to resolve two closely spaced peaks in gas chromatography? -I was thinking that the width or the maximum peak of each curve will change since the

    asked by jason on January 16, 2009
  54. chemistry

    Hello! my question is. Cumulene has chemical formula C4H4 with 7sigma and 3pie bonds. the 2 outer C atoms have a hybridization of "sp2", the H atoms have a hybridization of "s", and the 2 C atoms in between have "sp" hybridization. As I figured out, there

    asked by Jam09 on January 30, 2009
  55. trigonometry

    a wheel is rotating at 8 radians/sec, and the wheel has a 47 inch diameter. to the nearest foot, what is the velocity of a point on the rim in ft/min? all i know is that you have to use the formula v=r.w

    asked by y912f on January 7, 2009
  56. Physical Science

    A 5.0kg textbook is raised a distance of 30.0cm as a student prepares to leave for school. How much work did the student do on the book?

    asked by Misty T on January 29, 2009
  57. O-Chem

    A student wished to prepare ethylene gas by dehydration of ethanol at 140 C using sulfuric acid as the dehydrating agent. A low-boiling liquid was obtained instead of ethylene. What was the liquid, and how might the reaction conditions be changed to give

    asked by dora on January 14, 2009
  58. AP Stats

    Surveys indicate that 5% of the students who took the SATs had enrolled in an SAT prep course. 30% of the SAT prep students were admitted to their first choice college, as were 20% of the other students. You overhear a high school student say he got into

    asked by Stephanie on January 2, 2009
  59. trigonometry

    A wheel with a 21-inch diameter is turning at the rate of 58 revolutions per minute. To the nearest inch, what is the velocity of a point on the rim in inches/minutes? 3879 inches/minutes is my answer correct??

    asked by y912f on January 17, 2009
  60. physics

    The figure below shows a test charge q between the two positive charges. Find the force (in newtons) on the test charge for q = 1 µC. Give a positive answer if the force is to the right and a negative answer if the force is to the left.

    asked by julie on January 27, 2009
  61. trigonometry

    1. A boat sails for 4 hours at 35 mph in a direction 135degrees 51'. how far shouth has it sailed (to the nearest mile)? Is it 96 miles?? 2. A ship travels 55 km on a bearing of 11degrees, and then travels on a bearing of 101degrees for 133 km. find the

    asked by please check on January 7, 2009
  62. Physics

    a 215-N box is placed on an inclined plane that makes a 35.0 degree angle with the horizontel. Find the component of the weight force parallel to the plane's surface. can someone explain how to find the answer to this problem?

    asked by Kindell on January 13, 2009
  63. 10th grade

    A car crashes into a wall a 25m/s and is brought to rest in 0.1s. Calculate the average force exerted on a 75-kg test dummy by the seat belt. What is the formula to solve this problem.

    asked by Nikki Rozzell on January 12, 2009
  64. Physics

    A large ant is standing on the middle of a circus tightrope that is stretched with tension T_s. The rope has mass per unit length mu. Wanting to shake the ant off the rope, a tightrope walker moves her foot up and down near the end of the tightrope,

    asked by Sam on January 9, 2009
  65. chemistry

    suppose the hydrate was heated too quickly and some of it was lost as it spattered out of the container . explain how this would effect . a. the calculated mass of water in the compound b. the molecular formula you determined.

    asked by wifaj on January 13, 2009
  66. Math - Exponential Decay

    Radium decays exponentially. Its half-life is 1,690 years. How long will it take for a 50-gram sample of radium to be reduced to 5 grams? 1/2P = Pe^(-1690k) (ln1/2)/(-1690) = k 4 x 10^-4 = k 5 = 50e^-kt ln0.1 = -kt ln0.1/-k = t 5,630 years = t ...but

    asked by Anonymous on January 24, 2009
  67. 11th grade

    A sample consisting of 22.7 g of a nongaseous, unstable compound X is placed inside a metal cylinder with a radius of 8.0 cm, and a piston is carefully placed on the surface of the compound so that, for all practical purposes, the distance between the

    asked by rikita on January 2, 2009
  68. chemistry HELP

    A 46.2 gram sample of copper is heated to 95.4 degrees celcius and then place into a calorimeter containing 75.0 grams of water at 19.6 degrees celcius. The final temp of the water and copper is 21.8 degrees celcius. Calculate the specific heat capacity of

    asked by lyne on January 2, 2009
  69. Chemistry

    A sample consisting of 22.7 g of a nongaseous, unstable compound X is placed inside a metal cylinder with a radius of 8.0 cm, and a piston is carefully placed on the surface of the compound so that, for all practical purposes, the distance between the

    asked by lulu on January 5, 2009
  70. physics

    a 10-m uniform beam of weight 100N is supported by two ropes at the ends. If a 400N erson sits at 2.0 m from the left end of the beam, what is the tension in the right rope?

    asked by lulu on January 21, 2009
  71. antiques

    What does the COP marking inside some jewelry stand for?

    asked by La La on January 4, 2009
  72. Introduction To Teacher Aide

    Ok i need help please! I don't have the book to help me so can someone please help me! I did my best to answer some..if i got them wrong please correct them for me... Thanks :) 1. Which of the following might be a duty of a noninstructional aide? A.

    asked by KAYLA on January 9, 2009
  73. chemistry

    draw Lewis Structures for the following FIVE elements. H2S CH2Cl2 NH3 C2H6 CH3OH

    asked by Peter on January 21, 2009
  74. Operations management - Business

    Determine which shipping alternative would be most economical to ship 80 boxes of parts when each box has a price of $200 and holding costs are 30 percent of price, given this shipping information: overnight, $300, two-day, $260, six-day, $180.

    asked by Nora on January 12, 2009
  75. Geometry

    In Triangle RST, SR < ST and RT > ST. If angle R = 2x + 10 and angle T = 3x - 25, which is a possible value of x? f. 25 g. 30 h. 35 j. 40 So far I've just drawn a picture for reference and I've been pondering about the problem for about 15 to 20 minutes

    asked by Anonymous on January 31, 2009
  76. Chemistry

    how do you write a chemical equation with this reaction? can u help me solve these 1.Liquid carbon disulfide reacts with oxygen gas, producing carbon dioxide gas and sulfur dioxdie gas. 2. Solid zinc and aqueous hydrogen sulfate reacts to produce hydrogen

    asked by Lauren on January 26, 2009
  77. Physics

    Four identical masses of 800kg each are placed at the corners of a square whose side length is 10.0cm. What is the net gravitational force (magnitude and direction) on one of the masses, due to the other three? I think I have to separate the four masses

    asked by Jaime on January 20, 2009
  78. geography

    why is Washington DC. included in the southeast region?

    asked by jen on January 19, 2009
  79. physics

    An airplane traveling 1001 m above the ocean at 125km/h is going to drop a box of supplies to shipwrecked victims below. What is the horizontal distance between the plane and the victims when the box is dropped?

    asked by Sophia on January 25, 2009
  80. Chemistry

    My teacher hasn't really talked about types of reactions; he's just given us a list of net ionic equations involving water and different elements including Lithium, Sodium, Calcium, Magnesium, Lanthanum, and Potassium to memorize. However, his test

    asked by GP on January 7, 2009
  81. chemistry

    a.Write the balanced chemical equation for the reaction of methane and sulfur. (Type your answer using the format CO2 for CO2. Use the lowest possible coefficients.) 1CH4 + 4S --> 1CS2 + 2H2S (b) Calculate the theoretical yield of carbon disulfide when

    asked by lyne on January 27, 2009
  82. physics

    A quarterback throws the football to a stationary receiver who is 18.3 m down the field. Football is thrown at an angle of 44.9 degrees to the ground. Acceleration is 9.81 m/s2. What initial spped must the quarterback throw ball to reach receiver and what

    asked by Bob on January 19, 2009
  83. Physics

    A hockey player hits a puck with his stick, giving the puck an initial speed of 5.0 m/s. If the puck slows uniformly and comes to rest in a distance of 20 m, what is the coefficient of kinetic friction between the ice and the puck?

    asked by anonymous on January 21, 2009
  84. physics

    a person pushes a box across a horizontal surface at a constant speed of .5 meter per second. the box has a mass of 40 kg and the coefficient of sliding friction is .25. The power supplied to the boxx by the person is... please Explain!!

    asked by hana on January 30, 2009
  85. Biology I

    Charles Darwin- Evolution? 2) Where does variation occur within an organism that causes evolution? 5) What is the main source of evidence for evolution? 6) What was the occupation that Darwin was originally studying for? 8) What did Darwin believe about

    asked by Rebecca on January 27, 2009
  86. Physics

    A hot air balloon is ascending straight up at a constnat speed of 7.0 m/s. When th balloon is 12.0 m above the ground, a gun fires a pellet straight up from ground elvel with an initial speed of 30,0 m/s. Along the paths of the balloon and the pellet,

    asked by Anonymous on January 2, 2009
  87. statistics

    A college professor decides to run for Congress in a district with 450,000 registered voters. In a survey she commissioned, 58% of the 4000 registered voters interviewed indicated that they plan to vote for her. The population of interest is the: A.

    asked by brian on January 31, 2009
  88. Check french work pplz

    This is my french homework I have to fill in the blanks with either ai, as, a, avons, avez, and ont. In the parentheses that's what I put in the blank i was on this website with this work the other day and I finished it today and I was asking if you could

    asked by Starsthatshine1245 on January 19, 2009
  89. chemistry

    A 0.03 mol sample of NH4NO3(s) is placed in a 1 L evacuated flask, which is then sealed and heated. The NH4NO3(s) decomposes completely according to the balanced equation above. The total pressure in the flask measured at 400 K is closest to which of the

    asked by jerry on January 8, 2009
  90. Precalculus

    How could I find all the possible radii of a sector a cirle with a perimeter of 12 cm and area of 8 cm^2?

    asked by Jaslyn on January 14, 2009
  91. Home School. PLEASE HELP ME!!

    Once again i didn't get a book so im having trouble. I tried my best on the ones i answered..if i got any wrong please tell me and correct them for me please! Thanks so much :) 1. According to Jean Piaget, in what is all learning based? A. Sensorimotor

    asked by KAYLA on January 19, 2009
  92. CHemistry....Please double check DrBobb

    What mass of ethylene glycol C2H6O2, the main component of antifreeze, must be added to 10.0 L water to produce a solution for use in a car's radiator that freezes at -23C? Assume density for water is exactly 1g/mL. First we find out the freezing point:

    asked by Saira on January 24, 2009
  93. CHemistry....Please help

    What mass of ethylene glycol C2H6O2, the main component of antifreeze, must be added to 10.0 L water to produce a solution for use in a car's radiator that freezes at -23C? Assume density for water is exactly 1g/mL. ----------------------------------- This

    asked by Saira on January 22, 2009
  94. physics

    a lever is 5 m long. The distance from the fulcrum to the weight to be lifted is 1 m. If a 3000 N rock is to be lifted, how much force must be excerted on the lever?

    asked by lulu on January 21, 2009
  95. Physics

    A box slides down a 30.0 degree ramp with an acceleration of 1.20 m/s^2. Determine the coefficient of kinetic fiction between the box and ramp. I'm not exactly sure what to do here I know the formulas are uk = Fk/Fn Us = Fs, max/Fn not exactly sure how to

    asked by physics on January 28, 2009
  96. math

    the height that a ball bounces varies directly as the height from which it is dropped. A ball dropped from a height of 20cm bounces 16cm a) Find the height of the bounce if the ball is dropped from a height of 280cm b) Find from waht height the ball was

    asked by lisa on January 13, 2009
  97. physics

    Air streams horizontally past a small airplane's wings such that the speed is 70.0m/s over the top surface and 60.0m/s past the bottom surface. If the plane has a wing area of 16.2m^2 on the top and on the bottom, what is the net vertical force that the

    asked by Jaime on January 29, 2009
  98. Physics

    1. A flowerpot falls from a windowsill 25.0 m above the sidewalk. a. how fast is the flowerpot moving when it strikes the ground? dont i need to know the time it takes, what formula am i supposed to use for this? would 25 m be the displacement? b. how much

    asked by y912f on January 30, 2009
  99. 6th grade_Science/Math

    Imagine there is a large boulder on the edge of a shoreline. If a wave period is 15 s long. how many times is the boulder hit in a year? Thank you

    asked by Dan on January 27, 2009
  100. chemistry

    Ca(s) + Br2(l) --> CaBr2 is synthesis my teacher also said that the cause of the reaction is stable electron configuration is that the same thing as the electrolytes one

    asked by lyne on January 20, 2009