Cara

Most popular questions and responses by Cara
  1. English

    6. Which example contains the same type of reasoning found in this portion of section one? Many people think that all combative sports should be strictly monitored and regulated by state commissions. It is obvious that the Ultimate Fighting Championship

    asked on May 27, 2015
  2. physics

    A teenager pushes tangentially on a small hand-driven merry-go-round and is able to accelerate it from rest to a frequency of 12 in 9.0 . Assume the merry-go-round is a uniform disk of radius 2.2 and has a mass of 650 , and two children (each with a mass

    asked on April 19, 2011
  3. physics

    A grinding wheel 0.28 m in diameter rotates at 2400 rpm. What is the acceleration of a point on the edge of the grinding wheel?

    asked on April 19, 2011
  4. College Chemistry

    The following data are obtained for the decomposition of N2O5 at a certain temperature: 2N2O5(g)↔4NO2(g) + O2(g) Time(s) 0 200 400 600 800 N2O5 (atm) 2.10 1.85 1.63 1.43 1.26 Find the rate constant kobs for this first-order decomposition reaction in

    asked on February 6, 2011
  5. Finance: Mortgages

    A borrower received a 30-year ARM mortgage loan for $200,000. Rate caps are 3/2/6 (initial adjustment cap/periodic interest rate cap/lifetime interest rate cap). The start rate is 3.50% and the loan adjusts every 12 months for the life of the mortgage. The

    asked on March 30, 2016
  6. physics

    A 53 kg bungee jumper jumps from a bridge. She is tied to a bungee cord whose unstretched length is 13 m, and falls a total of 35 m. Calculate the spring stiffness constant k of the bungee cord, assuming Hooke's law applies.

    asked on April 6, 2011
  7. Physics

    A novice skier, starting from rest, slides down a frictionless 24.0 incline whose vertical height is 215. How fast is she going when she reaches the bottom?

    asked on April 6, 2011
  8. physics

    Calculate the force, required of the "deltoid" muscle to hold up the outstretched arm shown in the figure . The total mass of the arm is 2.9 kg.

    asked on May 3, 2011
  9. Science

    What chemical equation would represent methane (CH4) burning in the presence of oxygen gas (O2) to form water and carbon dioxide? (Make sure it's balanced)

    asked on February 21, 2017
  10. chemistry

    I asked this question earlier that drbob explained but i still do not really understand what to do. can you please make it clearer? the average pH of healthy human blood is 7.4. how many moles of H+ ions are free in your blood. The average person has

    asked on May 25, 2009
  11. Chemistry

    How many kilojoules are released when 130 g of Si reacts with chlorine? Si(s)+2Cl2(g)→SiCl4(g)ΔH=−657kJ

    asked on April 5, 2016
  12. Biology

    Which example best illustrates the difference between a community and a population? A)The two terms are interchangeable, a population IS a community. B)All the people in a town would be a community; all their cattle would be a population. C)All the people

    asked on May 27, 2015
  13. science

    mosquito larvae can tolerate extremely low dissolved oxygen concentrations, yet cannot survive at temperatures above 25 degrees celcius. how might you aaccoundt for dissolved oxygen concentrations of such a low value at a temperature of 25 degree celcius?

    asked on September 13, 2009
  14. math

    Santana wants to cover a gift box shaped like a rectangular prism with foil. The foil costs $0.03 per square inch. Santana has a choice between Box A which is 8 inches long, 3 inches wide, and 6 inches high, and Box B which is 10 inches long, 3 inches

    asked on April 23, 2015
  15. English

    American interest in mixed martial arts is growing. Both male and female athletes are invited to compete, although this sport is not recommended for the prima donna. This full contact fighting combines various martial arts techniques so fighters with

    asked on May 27, 2015
  16. physics

    A centrifuge accelerates uniformly from rest to 18000 rpm in 180 s. Through how many revolutions did it turn in this time?

    asked on April 19, 2011
  17. Physics

    A helicopter is ascending vertically with a speed of 5.00 m/s. At a height of 120 m above the Earth, a package is dropped from a window. How much time does it take for the package to reach the ground? v_0 for the package equals the speed of the helicopter

    asked on September 8, 2009
  18. Physics

    A 24 rifle bullet traveling 230 buries itself in a 3.9 pendulum hanging on a 3.0 long string, which makes the pendulum swing upward in an arc. Determine the vertical and horizontal components of the pendulum's displacement.

    asked on April 13, 2011
  19. science

    I posted this before but i realized i posted somethings that were wrong. mosquito larvae can tolerate extremely low dissolved oxygen concentrations, yet cannot survive at temperatures above 25 degrees celcius. how might you account for dissolved oxygen

    asked on September 13, 2009
  20. physics

    radius R of the orbit of a geosynchronous satellite that circles the earth. (Note that R is measured from the center of the earth, not the surface.) You may use the following constants: The universal gravitational constant G is 6.67×10−11N⋅m2/kg2. The

    asked on December 14, 2014
  21. chemistry

    Describe the circumstances in which the following processes could be used to separate the components of a mixture. -sublimation -crystallization -evaporation of a solvent from a solution -dissolving of an impure substance in a solvent

    asked on January 27, 2016
  22. physics

    A 5.4 cm diameter horizontal pipe gradually narrows to 3.7 cm. When water flows through this pipe at a certain rate, the gauge pressure in these two sections is 35.0 kPa and 21.0 kPa, respectively. What is the volume rate of flow?

    asked on May 9, 2011
  23. Chemistry

    How many kilojoules are absorbed when 266 g of PCl5 reacts? PCl5(g)→PCl3(g)+Cl2(g)ΔH=+67kJ

    asked on April 5, 2016
  24. geometry

    Alice purchased 30 decorative stone square blocks to create an enclosed rectangular garden area. Each square block measures 1 foot by 1 foot, and one possible arrangement is shown. Including the arrangement shown, in how many distinct ways can Alice

    asked on July 5, 2014
  25. physics

    The bolts on the cylinder head of an engine require tightening to a torque of 63 . If the six-sided bolt head is 15 in diameter, estimate the force applied near each of the six points by a socket wrench.

    asked on April 19, 2011
  26. physics

    A 280-g wood block is firmly attached to a very light horizontal spring, as shown in the figure. The block can slide along a table where the coefficient of friction is 0.30. A force of 22 N compresses the spring 18 cm. If the spring is released from this

    asked on April 6, 2011
  27. physics

    A 110-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 420 N. For the first 13 m the floor is frictionless, and for the next 13 m the coefficient of friction is 0.35. What is the final speed of the crate?

    asked on April 6, 2011
  28. Salisbury University

    A spring with 53 hangs vertically next to a ruler. The end of the spring is next to the 21- mark on the ruler. If a 3.0- mass is now attached to the end of the spring, where will the end of the spring line up with the ruler marks?

    asked on April 6, 2011
  29. physics

    A 280-g wood block is firmly attached to a very light horizontal spring, as shown in the figure. The block can slide along a table where the coefficient of friction is 0.30. A force of 22 N compresses the spring 18 cm. If the spring is released from this

    asked on April 6, 2011
  30. Physics ?#2

    A ball is dropped from the top of a 53.0m high cliff. At the same time, a carefully aimed stone is thrown straight up from the bottom of the cliff with a speed of 25.0m/s The stone and ball collide part way up. How far above the base of the cliff does this

    asked on September 8, 2009
  31. Music

    1). What aspects of music do most people understand and appreciate about music? I.e., what do they remember about a piece – the melody, the rhythm, the harmony, the timbre, a combination of these? -I think the answer is melody but I'm not sure 2). If a

    asked on May 19, 2016
  32. Geometry

    What is the formula for finding the surface area of a right rectangular prism? (ex: The base of a right rectangular prism is 10 ft by 7 ft. The height is 3 ft. Find the surface area)

    asked on January 14, 2010
  33. Legal Studies

    Hey :) If a juvenile is held in remand does this mean that their being held in custody (a juvenile detention center etc) while their waiting trial (i.e. havent been sentenced yet)? I'm just having some trouble understanding the meaning of remand. Any help

    asked on August 16, 2011
  34. chemistry

    0.450mol of Na2S in 1.50L of solution

    asked on October 3, 2012
  35. math

    An object dropped from restfrom the top of a tall building falls y=16t^2 feet in the first t seconds. Find the speed of the object at t=3 seconds and confirmalgebraically. The answer is 96 feet/sec but how do i figure it out? cans omeone show me steps?

    asked on September 2, 2009
  36. Math-Calculus

    Please Help D:. Min/Max Problems 4. Joan has 50ft of interlocking stone available of fencing off a flower garden in the form of a circular sector. Find the radius of the circle that will yield a flower garden with the largest are if Joan uses all the

    asked on March 6, 2013
  37. physics

    A small rubber wheel is used to drive a large pottery wheel, and they are mounted so that their circular edges touch. The small wheel has a radius of 1.8 and accelerates at the rate of 7.0 , and it is in contact with the pottery wheel (radius 30.0 )

    asked on April 19, 2011
  38. science

    I did a hydrate lab in school and these were my results and at the end we have to write the correc formula for the hydrate but I know the answer at the end is supposed to be 5H2O so why do I keep getting 4H2O? Can someone double check my work Mass of

    asked on April 1, 2009
  39. Salisbury University

    How long will it take a 480 N motor to lift a 335 kg piano to a sixth-story window 15.0 m above?

    asked on April 6, 2011
  40. sciece

    compare and contrast deer population growth to human population growth in terms of a. predation and competition and b. speed of population response. I don't understand predation in terms of human population growth (can someone explain please)? I do not

    asked on September 9, 2009
  41. science

    why do you think the deer population was only 4,00 in 1905 when the carrying capacity of the rangeland could support 30,000 deer or more. I don't understand why a population could be so far below the carrying capacity.

    asked on September 8, 2009
  42. consumer math

    $799.99 with 40% off rounded to the nearest dollar

    asked on November 9, 2014
  43. science lab

    I got these results from my dissolved oxygen lab: Temperature Dissolved Oxygen in Celcius (mg/L) 17 5.8 21 5.4 23 5.3 27 5.1 I understand that as the temperature increases the dissolved oxygen concentration decreases but i don't understand how to answer

    asked on September 13, 2009
  44. Math

    How can I find 2 equations with infinitely many solutions? Thanks

    asked on March 10, 2013
  45. lindy

    how many different flags can be made? if there are 5 colors,but the flag must have 3 bands of color

    asked on February 9, 2013
  46. riddle

    which of the following is least like the other? poem novel painting statue flower

    asked on December 9, 2009
  47. Physics

    A ball is thrown straight upward and rises to a maximum height of 20 m above its launch point. At what height above its launch point has the speed of the ball decreased to one-half of its initial value?

    asked on January 24, 2014
  48. MATH HELP

    Find the volume of the solid obtained by rotating the region underneath the graph of f(x) = (x)/sqrt(x^3+1) about the y-axis over the interval (1, 10)

    asked on July 9, 2013
  49. physics

    (c) If the wave has amplitude 1.80 m when it speed is 200 m/s, what will be its amplitude where the water is 9.00 m deep?

    asked on September 14, 2011
  50. physics

    A radioactive nucleus at rest decays into a second nucleus, an electron, and a neutrino. The electron and neutrino are emitted at right angles and have momenta of 8.55×10−23 and 5.33×10−23 , respectively. What is the magnitude of the momentum of the

    asked on April 13, 2011
  51. Chemistry

    I am trying to solve a buffer problem. I know I need to use the Henderson-Hasselblach equation but I am not getting the correct answer. The problem is: Propionic acid is a weak monoprotic acid with Ka = 1.3×10-5 M. NaOH(s) was gradually added to 1.00 L of

    asked on April 2, 2015
  52. history

    where is the mississippi?

    asked on March 31, 2011
  53. music

    what is the function on health insurance? What is the functions of disability insurance? whatis the functions of life insurance?

    asked on September 19, 2010
  54. English

    In a total of 200 words, write two paragraphs with about how interest rates affect our purchasing decision. Identify the topic sentence in each by underlining it. I need help with Identifying topic sentence

    asked on September 19, 2010
  55. grammar

    I need help with highlighting the adverbs and underlining the adjectives. 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. o Bold each adverb. o Underline

    asked on September 12, 2010
  56. Math

    I need help finding the greatest common factor between these two expressions 3u^3x^5y^8 and 21u^6x^5 I was thinking 7u^3y^8

    asked on August 12, 2014
  57. Math

    How can I find 2 equations with infinitely many solutions? Thanks

    asked on March 10, 2013
  58. math

    a chairman and vice-chairman are to be elected from 7 candidates.how many different results are possible ?

    asked on February 9, 2013
  59. Biology

    hi! so I have to make an experiment on heat loss & insulation and so, I did an experiment on which material insulates best against the wind of a fan--styrofoam, plastic or aluminum can. each has hot water in it but the styrofoam took the longest for the

    asked on November 12, 2012
  60. Biology

    hi! so for science we have to make an experiment on temperature. we have to base our experiment on the given materials (which include test tubes, aluminum foil, cotton, fan) i chose a fan and I'm thinking of doing an experiment on how the strength of wind

    asked on November 9, 2012
  61. history

    doing an essay for english, i need help writing it. what were the diverse purposes of Englands american colonies and how were those purposes altered in the early years? i just need 3 purposes. if anyone can help i would appreciate it!!!! please!

    asked on August 31, 2012
  62. physics

    (c) If the wave has amplitude 1.80 m when it speed is 200 m/s, what will be its amplitude where the water is 9.00 m deep?

    asked on September 14, 2011
  63. Math

    A 30-m tall flag pole and its shadow form the sides of a right triangle. On this particular day, the sun rises at 6 AM and sets at 6 PM. At what time of the morning (to the nearest minute) will the length of the shadow be exactly 40 m? (Hint: determine the

    asked on March 27, 2011
  64. math

    Terrance describes the amount of money made based on the # of hours worked by the function rule y= 10h. Given this function how much $ does terrance earn for each hour worked?

    asked on February 2, 2011
  65. science

    what are the lens called to locate a specimen on a microscope?

    asked on October 8, 2009
  66. math

    how to solve 1/100-2/100+3/100-4/100+....+99/100-1?? and this?? -1/100+2/100-3/100+4/100-....-99/100+1??

    asked on November 27, 2015
  67. Math

    We're doing sequence things in class how do I find the general term of this set (4,8,6,16,8,32,10,64). The answer must be in an equation. The next in the sequence would be 12, 128. I thought the answer was f(x) = 2x but that doesn't account for 6,8,10

    asked on November 20, 2014
  68. History

    To what extent was the French Revolution caused by new political ideas and influences?

    asked on November 28, 2012
  69. Biology

    Can you give me an order from 1 to 3 for the following materials, 1 being the best insulator and 3 being the poorest? styrofoam, plastic, aluminum

    asked on November 12, 2012
  70. world history

    How does Incan architecture influence our world today?

    asked on October 30, 2009
  71. math

    I need help with these two questions. Just take out the spaces in this link: h t t p: / /tinypic. c o m/r/nf4fp3/3

    asked on September 16, 2009
  72. math

    how do i do this problem? find the average rate of change over each interval. 1. f(x)= x^3 + 1 a. [2,3]

    asked on September 16, 2009
  73. history

    what US intelligence agency did johnson illegally authorize to spy on domestic dissenters

    asked on May 29, 2009
  74. Biology

    What causes polarity in a water moleclue?

    asked on October 7, 2008
  75. statistics

    The mayor of the town of Quahog, Rhode Island, Adam West, conducted a study to determine the mean household income of his constituents. The study surveyed 500 households and determined that the sample mean was $30,000. The population standard deviation is

    asked on March 16, 2015
  76. Creative Writing

    Normally, I don't struggle with grammar, but this has me stuck. In this sentence, "One could call him an addict, because women were his drug," would you leave drug plural or singular, or is there something else to do to fix that?

    asked on December 8, 2014
  77. chemistry

    190 grams of potassium iodide is placed in 100 cm3 at 60 degrees Celsius. the solution is cooled to 30 degrees Celsius. how many grams will settle out?

    asked on September 19, 2013
  78. MATH

    Compute the volume of the solid obtained by rotating the region in the first quadrant encolsed by the graphs of the functions y = x^2 and y = sqrt(x) about the y-axis. I keep getting (1/3)pi and can't figure out what I'm doing wrong!

    asked on July 9, 2013
  79. chemistry

    Need to do a lab of finding the density of the Molarity of 1M NaCl without having any equipments..How best to do so..A procedure would be appreciated

    asked on May 1, 2011
  80. Chemistry

    How to determine the energy in J calories and K to convert one pound of ice to steam

    asked on May 1, 2011
  81. gammar

    • Read two of the five paragraphs on the second page of this appendix. Write a brief paragraph of about 150 words in which you do the following: o Identify which paragraph was more effective and analyze why this is so. o Include a discussion of sentence

    asked on October 3, 2010
  82. Math

    2(x+1)/4

    asked on February 3, 2010
  83. algebra

    the algebraic expression dN/dT=riN expresses what? a. biotic potential b. population density c. carrying capacity d. demographic structure e. gause principle is it B?

    asked on August 31, 2009
  84. math

    how can i solve for x given this?? pls. show detailed solution..just can't figure it out.thanks in advance! 6cosx+3cos35cosx-3sin35sinX=7cosx

    asked on December 3, 2015
  85. Maths

    What steps were taken to get px-2x^2 to be p-4x?? I can't work out what happened to the 'x' after 'p'. I can see that 2x^2 equals 4x though. Any help would be much appreciated :) Thanks

    asked on August 14, 2012
  86. History

    Is there any "European bias or bias" in this article? To obtain the necessaries of life, they (he Indians of Arcadia) endure cold and hunger in an extraordianry manner. During eight or ten days, if the necessity is imposed on them, they will follow the

    asked on February 24, 2012
  87. History

    What was the non-importation movement? Is this right? What does no taxation without representation mean? We will only pay taxes that our representatives in a House or Assembly [or similar body] have approved and passed into a law

    asked on February 22, 2012
  88. Grammar

    Their are three kids in the room. We have been married for 20 years, and are relationship is as strong as ever. I’m having trouble with my car. Can you give me some advise? The diplomats are doing what they can to restore peace. I know it is important,

    asked on August 29, 2010
  89. math

    Choose the better value - 5 kg of birdseed for $6.50 or 8 kg for $10.80?

    asked on June 13, 2010
  90. North & Central America Social Studies

    what is the lish region that formed a great arc from the eastern shore of the Mediterranean Sea to the Persian Gulf?

    asked on November 23, 2009
  91. science

    how does a glacier turn into a lake? does it just melt?

    asked on September 5, 2009
  92. math

    how do I solve this limit (-> is an arrow meaning "heading towards" lim x-> 2 (x-6)^(2/3)

    asked on September 3, 2009
  93. math

    how would I do this limit?(by the way -> is an arrow( lim x-> 0 (5x^3+8x^2)/ (3x^4 - 16x^2)

    asked on September 2, 2009
  94. chemistry

    the average pH of healthy human blood is 7.4. how many moles of H+ ions are free in your blood. The average person has approx. 5 L of blood.

    asked on May 25, 2009
  95. Spanish

    I need help with these two questions: 1) me mejor amigo/comprar la cinta/su novio/regalarle otra. The first verb we have to use el pluscuamperfecto and the second part we have to use the preterite. So I have: Mi mejor amigo ya había comprado cuando su

    asked on August 29, 2005
  96. Spanish

    I need to know what this question translates into in English. Does it mean, why is Spanish class important for you? ¿Qué tan importante es la clase de español para ti? Yes, that is correct. It's: "Porque la clase de espanol es tan importente para

    asked on August 23, 2005
  97. math

    how can i solve for x given this?? pls. show detailed solution..just can't figure it out.thanks in advance! 6cosx+3cos35cosx-3sin35sinX=7cosx

    asked on December 3, 2015
  98. math

    ket f(x)=5 x − 4 and g(x) = x^2 − 8. Compute the following functions. 1. f(g(x)) = 2. g(f(x)) = 3. f(f(x)) = 4. g(g(x)) =

    asked on September 17, 2010
  99. math

    Let h(x) = 3 x2 + 2 x + 1. Let g(x) = 3√{x} + 3. (Note: If there is a nonmathematical symbol in the preceding expression, then your browser doesn't have the math symbol font. Please follow the instructions on the Tools page in Oncourse to install the

    asked on September 17, 2010
  100. french

    which verb tense is this elles aient tort

    asked on September 1, 2009

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