Questions Asked on
April 13, 2013

  1. physics

    A 57.0 kg diver dives from a height of 15.0 m. She reaches a speed of 14.0 m/s just before entering the water. (a) What was the average force of air resistance (e.g., friction) acting on the diver. (b) What is the force of friction underwater if she

    asked by monica
  2. chem

    A voltaic cell consists of a strip of cadmium metal in a solution of Cd(NO3)2 in one beaker, and in the other beaker a platinum electrode is immersed in a NaCl solution, with Cl2 gas bubbled around the electrode. A salt bridge connects the two beakers.

    asked by sarah
  3. physical chemistry

    1000 ml of oxygen at ntp passed through siemens ozoniser when the resulting volume was 888 ml at ntp .quantity of ozonised oxygen is passed through excess of potassium iodide solution calculate weight of iodine liberated?

    asked by Anonymous
  4. CHEM

    How can I calculate a pH of hypochlorite buffer into LiCLO with only initial concentrations and no Ka value? [CLO-]=.1M [LiCLO]=.1M

    asked by Martin
  5. Chemistry

    Consider the equilibrium 2NOCl (g) 2NO (g) + Cl2 (g). In a 1 L container @ equilibrium there are 1.0 mol NOCL, 0.70 mol NO, and 0.40 mol Cl2. @ constant temperature and volume, 0.10 mol NaCl is added. What are the concentrations in the "new" equilibrium in

    asked by Anna
  6. Chemistry

    2Al(s) + 6H+(aq) → 2Al3+(aq) + 3H2(g) For the above Al-H2 cell, what is the voltage if [Al3+] = 6.0461 M, [H+] = 6.1 M, and the hydrogen pressure is 0.0557 atm. Eo = 1.66 V. .00004-(.05916/6)*log(7.1e-4) =.03 WRONG ANSWER I GOT

    asked by Anonymous
  7. ECONOMICS

    Thirty years ago, the market for chicken was perfectly competitive. Then, Frank Perdue started marketing chicken under his own name. How do you suppose Perdue created a brand name for chicken? What did he gain from doing so? What did society gain from

    asked by RAJA
  8. chemistry

    When 25.0 g of Zn reacts,how many L of H2 are formed at STP?

    asked by Red
  9. math

    jeremy spends 1/4 of his pocket money each week on books.he saves 2/3 of what is left over.if he saves $5 each week,how much weekly pocket money does he receive

    asked by lindy
  10. geography

    What regions have low or high annual precipitation?

    asked by lauren
  11. math help please thank you

    1. Simplify these expression 5k + 3k = K+1+k+4=

    asked by Anonymous
  12. Alg 1

    The product of two consecutive integers, n and n+1, is 42. What is the positive integer that satisfies the situation? Is it 6 x 7?

    asked by Jane
  13. mathematics

    the perimeter of a rectangular field is 140m. if the length is increased by 15m and the breadth is decreased by 5m, the length will become 3 times the bredth. find the length and the breadth of the field.

    asked by Anonymous
  14. physics

    A basketball player is balancing a spinning basketball on the tip of his finger. The angular velocity of the ball slows down from 18.0 to 14.7 rad/s, during the slow down the angular displacement is 85.4 rad. Determine the time it takes for the ball to

    asked by anonymous
  15. phy

    An emphysema patient is breathing pure O2 through a face mask. The cylinder of O2 contains 0.20 ft3 of O2 gas at a pressure of 2200 lb/in2. (a) What volume would the oxygen occupy at atmospheric pressure (and the same temperature)? ft3 (b) If the patient

    asked by kira
  16. physics

    two similar charged small spheres each having a charge of 0.044 micro coulombs are suspended from a point by a thread of length 15 cm each. at equilibrium the angle is 5 degree. what is the mass of each sphere ?

    asked by Himanshi
  17. Help Please Stat-Math

    According to an airline, a particular flight is on time 75% of the time. Suppose 140 flights are randomly selected and the number of on time flights is recorded. Determine if you should use the Binomial model or Normal model to solve this problem. show

    asked by MELISSA
  18. Alan

    Mark below all of the statments that correctly describe the physical properties of glass. Glasses do not have slip systems. Glasses consist of both covalent and ionic bonding. Glasses are brittle at room temperature. Glasses are amorphous and have no long

    asked by Chemistry
  19. college math

    the perimeter of a rectangular traffic sign is 120 inches Also, its length is 6 inches longer than its width

    asked by carrie
  20. physics

    A 57.0 kg diver dives from a height of 15.0 m. She reaches a speed of 14.0 m/s just before entering the water. (a) What was the average force of air resistance (e.g., friction) acting on the diver. (b) What is the force of friction underwater if she

    asked by monica
  21. chemistry

    In the following reaction, how many grams of ferrous sulfide (FeS) will produce 0.56 grams of iron (III) oxide (Fe2O3)? 4FeS + 7O2 d 2Fe2O3 + 4SO2 The molar mass of ferrous sulfide is 87.92 grams and that of iron (III) oxide is 159.7 grams.

    asked by kerin
  22. Managerial Accounting

    IRR: Even Cash Flows Williams and Park Accounting Practice is considering investing in a new computer system that costs $9,000 and would reduce processing costs by $2,000 a year for the next six years. Required: Calculate the internal rate of return, using

    asked by Lisa
  23. Please help! Maths

    For what value of K will the equation 3x^2- 4x-(1+K)= 0 have equal roots?

    asked by Seth
  24. Math

    Juan races his bicycle for 196ft a wheel of his bicycle turns 28 times as the bicycle travels this distance. What is the diameter of the wheel?

    asked by maria
  25. Math ( Polynomial )

    If the polynomial, x^4 - 6x^3 + 16x^2 - 25x + 10 is divided by another polynomial x^2 - 2x + k, the remainder comes out to be x + a, find k + a, please work the complete solution instead of giving simply an answer.

    asked by Jack
  26. Alg 1

    A triangular-shaped wall has a base of 2x+4 and a height of x+3. The area of the triangle is 56 in^2. What is the value of "x"?

    asked by Jane
  27. Physics

    Consider the process of charging a parallel plate capacitor with circular plates of radius R=5 cm separated by a distance d=0.2 cm. At some time t1, the capacitor is being charged with a current I=0.04 A. Consider a point P on the plane which is equally

    asked by tanvir ali
  28. CALCULUS

    Sand is being poured from a converyer belt forming a conical pile whose base diameter is eual to its height at all times. If the base diameter is inreasing at 2 m/min when the base is 2 m wide. How fast is the sand being poured onto the pile?

    asked by y
  29. Maths *have answer, want method* Urgent!

    Suppose that the blood pressure of the human inhabitants of a certain Pacific island is distributed with mean, \mu = 108 mmHg and standard deviation , \sigma = 6 mmHg. According to Chebyshev's Theorem, at least what percentage of the islanders have blood

    asked by Orla
  30. stats.

    All the following are measures of variability or dispersion within a set of data except? range, median, standard deviation, variance

    asked by Linda
  31. Chemistry

    Which of the following is/are present in a reagent bottle labeled 1.0 M H2SO4? I. H2SO4 II. HSO4- III. SO4-2 A. I only B. I and II C. II and III D. I, II, and III

    asked by Anna
  32. UOP

    An extreme score that sets apart in value from the general distribution of values with which it is connected is known as…? A. Champion score B. Anomalous indicator C. Outlier D. Incongruous data

    asked by Linda
  33. UOP

    6) A Dichotomous Variable represents what level of measurement within the realm of quantitative analysis? A. Ordinal B. Nominal C. Ratio D. Interval

    asked by Linda
  34. uop

    9) A specific score in a distribution of data minus the mean and divided by the standard deviation produces a value known as a…? A. Beta B. Z Score C. Variability Score D. Coefficient of Determination

    asked by Linda
  35. Science

    Make a solutions by dissolving 4 lbs of sulfur dioxide in 100 lbs of water then heat to 30 degress C. what is the partial pressure of the sulfur dioxide over the solution specified?

    asked by Ann
  36. Physics :)

    An object has a moment of Inertia of 300 kgm^2. A torque of 94 Nm is applied to the object. What is the angular acceleration of the object? Can someone please explain this to me and help me find the correct answer?! Thank you! :)

    asked by Savannah
  37. Math

    10.Mr.Cartwright bought 2 7/8 pounds of grapes for his lunches. If he paid $1.79 for each pound about how much did he pay for the grapes? A.6 B.3 C.7 D.4 I have to round the answer to something but how'd you get 2.875 Ms.Sue? What does 7/8 equal

    asked by Jerald
  38. inghram

    X^2-33x+140=0

    asked by narendra rana
  39. Chemistry

    Why would HF have a lower electrical conductivity than NaCl?

    asked by Dal
  40. english

    9-The colorful koi drift lazily in the pond,just below the water's surface. 10-These fish are a silent parade of reds and golds and oranges. 11-you can hear the sound of water as it passes over rocks on it's course through the gardens. 1-which sentence

    asked by jake plzzzzzzzzzz help plzzzzzz
  41. phy

    An emphysema patient is breathing pure O2 through a face mask. The cylinder of O2 contains 0.20 ft3 of O2 gas at a pressure of 2200 lb/in2. (a) What volume would the oxygen occupy at atmospheric pressure (and the same temperature)? ft3 (b) If the patient

    asked by kira
  42. physics

    A 45g golf ball is hit with a golf club. the head of the club has a mass of 0.19kg and travels 63m/s before the collision. the ball has a speed of 72m/s as it leaves the face of the club. what is the speed of the club after the collision?

    asked by y
  43. Parametric Equations

    Convert to a rectangular equation by eliminating the parameter: x=(1/t) y=2t+3

    asked by Molly
  44. physics

    Tarzan (m = 68kg) swings down from a height of 4.8m on a vine to save Jane (m = 35kg) from some hungry hippos. if he gravs jane in an inelastic collision at the bottom of the vine's path, how high will they swing up to after the collision?

    asked by y
  45. ECONOMICS

    There are two ways to protect your car from theft. The "club" makes it difficult for a car thief to take your car. Lojack makes it easier for the police to catch the car thief who has stolen it. Which of these types of protection conveys a negative

    asked by RAJA
  46. ECONOMICS

    Imagine a firm that hires two types of workers: some with computer skills and some without. If technology advances so that computers become more useful to the firm, what happens to the marginal product of the two types of workers? What happens to

    asked by RAJA
  47. ECONOMICS

    College students sometimes work as summer interns for private firms or for the government. Many of these positions pay very little or nothing. What is the opportunity cost of taking such a job? Explain why students might be willing to take such jobs. If

    asked by RAJA
  48. ECONOMICS

    Economists often view life cycle variation in income as one form of transitory variation in income around people's lifetime or permanent, income. In this sense, how does your current income compare to your permanent income? Do you think your current income

    asked by RAJA
  49. Calculus

    Convert to a rectangular equation by eliminating the parameter: x=sin(theta) y=(cos theta)^2

    asked by Liz
  50. Angular momentum

    What is the angular momentum if the force is 72 N, the time is 1.5seconds and the lever arm is 3.2 meters?

    asked by Shelly
  51. public speaking

    In a world of ____________, communication skills help us to interact with people whose backgrounds are different from our own

    asked by anonymouse
  52. Chemistry

    A glass of composition 85% SiO2 - 15% K2O is to be surface strengthened by ion exchange. To this end, two identical specimens approximately the size and shape of credit cards are soaked for the same amount of time at 850∘C. Sample A is soaked in NaCl and

    asked by Alan
  53. World History

    How did the Samurai become such a powerful force in Japan.

    asked by Gregory
  54. Math ( Polynomial )

    This time three questions - 1. If (x^2 - 1 ) is a factor of polynomial ax^4 + bx^3 + cx^2 + dx + e, show that a + c + e = b + d = 0. 2. Let R1 and R2 be the remainders when polynomials x^3 + 2x^2 - 5ax - 7 and x^ 3 + ax^2 - 12 x + 6 are divided by ( x + 1

    asked by Jack
  55. Math ( Polynomial )

    This time three questions - 1. If (x^2 - 1 ) is a factor of polynomial ax^4 + bx^3 + cx^2 + dx + e, show that a + c + e = b + d = 0. 2. Let R1 and R2 be the remainders when polynomials x^3 + 2x^2 - 5ax - 7 and x^ 3 + ax^2 - 12 x + 6 are divided by ( x + 1

    asked by Jack
  56. math

    Simplify this expression by using the properties of exponents.You may leave your answer as a number to a power. (2c)^5(2c^9)^6=

    asked by Nancy
  57. calculus

    find the derivative of the following: 3x^2 ln(2x) e^2x ln√x+3 please try and show few steps and laws of logarithmics.

    asked by sasha
  58. english

    12-Only once have i seen sudden activity in this peaceful place.13-Natures power came to call. 14-For a few brief moments one spring day, the stillness of the pond was disrupted.15-Diving from the sky, an enormous blue heron broke the pond's surface. Rings

    asked by jake plzzzzzzzzzz help plzzzzzz
  59. english

    I really need 6 thick (hard) questions for Act 4 scene 1-3 "King Lear" by Shakespeare PLEASE THANK YOU

    asked by ben
  60. LITERACY

    When books are arranged in correct order on the shelves by call number, which of the following call numbers will be first? A. D 839 .G3 1987 B. D 839 .G42 2004 C. DE 82 .A49 2006 D. DA 546 .L74 1986 answer a?

    asked by pennfoster
  61. business

    Healthy Options is a Pharmaceutical Company which is considering investing in a new production line for its pain-reliever medicine for individuals who suffer from cardio vascular diseases. The company has to invest in equipment which costs $2,500,000 and

    asked by Angel
  62. math

    integrate sec^2(3x)(e^(tan3x))

    asked by saw
  63. life oriemtation

    in 5-10 lines discuss 5 ways in which teenager pregnancy have impact on the community.

    asked by petronella
  64. econ

    Explain how supply and demand determine the price of the U.S. dollar on the international market.?

    asked by rebekah
  65. computers

    state four uses each of ICT in communication, timing and control and control and 2 uses in everyday life

    asked by EDIDIONG
  66. Managerial Accounting

    Kim Johnson purchased an asset for $80,000. Annual operating cash inflows are expected to be $30,000 each year for four years. At the end of the life of the asset, Kim will not be able to sell the asset because it will have no salvage value. Required: What

    asked by Lisa
  67. Managerial Accounting

    IRR: Even Cash Flows Williams and Park Accounting Practice is considering investing in a new computer system that costs $9,000 and would reduce processing costs by $2,000 a year for the next six years. Required: Calculate the internal rate of return, using

    asked by Lisa
  68. physics

    A gate is free to rotate without friction about its hinges at H. The gate is initially at rest. A 4.00 kg ball of mud is thrown at 18.0 m/s towards the center of the gate and the path of the mud is perpendicular to the plane of the gate. A) Compute the

    asked by Anonymous
  69. Managerial Accounting

    IRR: Even Cash Flows Williams and Park Accounting Practice is considering investing in a new computer system that costs $9,000 and would reduce processing costs by $2,000 a year for the next six years. Required: Calculate the internal rate of return, using

    asked by Lisa
  70. physics

    A pulley of radius .10 m and having a rotational inertia of .30 kg-m^2 has a cord wrapped around it and attached to a 6.00 kg mass as shown. The pulley is free to rotate about a fixed axis through its center. The mass is allowed to fall from rest. What is

    asked by Anonymous
  71. Accounting

    Basic NPV: No Salvage Value or Taxes Carrie Rushing is considering the purchase of a new production machine that costs $120,000. She has been told to expect decreased annual operating expenses of $40,000 for four years. At the end of the fourth year, the

    asked by Marie
  72. PSY202

    This branch of psychology is primarily concerned with what can be readily seen and recorded

    asked by Jessica
  73. maths- plseee urgently

    without calculator we need to find the value of sin18degree-sin66degree+sin60 degree

    asked by anoynomous
  74. physics

    a stone of mass 1 kg is tied to the end of a string 1m long . it is whirled in a vertical circle . if the velocity of the stone at the top be 4m/s , what is the tension in the string ?

    asked by katie
  75. English

    1. All three poems use sensory details in order to (1 point) celebrate team play. remind athletes of their role in inspiring society. show the beauty of mental concentration and physical prowess. 2. The word antagonize, often used in sports, means "to

    asked by Katter
  76. Computer Programming

    Hello, Any help on the following problem would be greatly appreciated. The assignment is done with .java in eclipse. I have a class and a form with a Jlist, 2 text fields to enter the check amount and the ending Balance and a calulate button. I have some

    asked by Marie
  77. maths

    As x,y,z ranges over all possible real numbers, what is the minimum value of 3x^2+12y^2+27z^2−4xy−12yz−6xz−8y−24z+100?

    asked by rohit
  78. Life orientation

    3 environmental health hazards

    asked by Anonymous
  79. chemistry

    Which of the following statements describes why ion exchange of 99% SiO2 - 1% B2O3 in a salt bath of molten postassium chloride (KCl) is not an effective way to increase the surface strength of the glass sample? The ion exchange works correctly, however

    asked by s
  80. geometry

    the dimensions of the triangular lateral faces of a pyramid are dilated with a scale factor of 8/3 to create similar triangles. if the perimeter of one triangular face was 57 inches what is the perimeter of each of the dilated triangular faces

    asked by stormy
  81. chemistry

    Please mark below all of the statments that correctly describe the physical properties of glass. Glasses do not have slip systems. Glasses consist of both covalent and ionic bonding. Glasses are brittle at room temperature. Glasses are amorphous and have

    asked by s
  82. chemistry

    A glass of composition 85% SiO2 - 15% K2O is to be surface strengthened by ion exchange. To this end, two identical specimens approximately the size and shape of credit cards are soaked for the same amount of time at 850 ∘C. Sample A is soaked in NaCl

    asked by s
  83. Swindon

    maths question I don't know how to do it h=16t2+240t-224

    asked by AJP
  84. Please Ms Sue Help me! Alhorithm

    Solve for the value of x: 6log(x^2+1)-x=0. I can't even solve it.

    asked by Jeconiah
  85. Life oriantation

    5 environmental problem impects on the community

    asked by Anonymous
  86. math

    pqrst is a regular hexagon. v is the intersection of pt and su.how big is angle tvs?

    asked by lindy
  87. math

    y-intercept = 3; passes through (1,2)

    asked by meep
  88. math

    what is the total surface (in square units) of an open-topped box with dimensions L*W*H =9*7*6

    asked by lindy
  89. math

    24874divided by 17 ,which digits should one change in the first number to increase the answer by 100

    asked by lindy
  90. math

    x-intercept=4;passes through (-1,3)

    asked by meep
  91. math

    24874divided by 17 ,which digits should one change in the first number to increase the answer by 100

    asked by lindy
  92. math

    a bottle is 1/4 full of cordial,if 500 ml of cordial is added to it, the bottle is 2/3 full.how many ml does the bottle hold when full

    asked by lindy
  93. math

    please give me answers of my qutions

    asked by vaidehi
  94. English

    I am struggling in IB junior English. How can I survive?

    asked by Anonymous
  95. life orientation

    in 10-15 lines critically discuss 5 ways in which floods have an promblem impacts on the human and environmental in south africa

    asked by diale lesego
  96. life science

    discuss 5 ways in which the human or environmental problem impacts on the community?

    asked by xoliswa
  97. life orientation

    in 10-15 lines critically discuss 5 ways in which the human or environmental problem impacts on the community?

    asked by xoliswa
  98. Chemistry

    20.0 mL of HCl in a flask Titration required 12.3 mL of 0.108M Mg(OH)-2 What is the molarity of the HCl?

    asked by Kim
  99. Health 8R - HELP!

    Can Exercise Improve Your Child's Test Scores? a) yes b) no why??? please help

    asked by Laruen
  100. Algebra 2..

    Solve for x. 2 times ( sqrt. of 21-x ) - ( the sqrt of 3x-6) =5

    asked by Anonymous
  101. World History

    In what ways did Islam create the first “world civilization?” How was Islam changed by contact with indigenous faiths in Africa & Asia? How did Byzantium preserve & perpetuate the traditions of Rome? What roles did commerce play in the transmission of

    asked by Sylvia
  102. Life orientation

    Recommendations on how to address the human or environmental problem

    asked by Vince Dipuo Van westos
  103. math 5the grade

    word problem: Mimi's market sold 24 heads of lettuce one morning. That afternoon 2/7 of the remaining heads of lettuce were sold. The number of heads left was now 1/2 of the number the market had at the beginning of the day. How many heads of lettuce were

    asked by Tasha345
  104. math

    l&k are two lines given by the following equations l: 3x-5y+4=0 k:5x+3y+2=0 could anyone please help

    asked by jason
  105. BIOLOGY

    WHAT IS ASHMA?

    asked by ASU
  106. computer science

    I need help one how create a spreadsheet that will give an accurate launch profile for a vertical liftoff for the SpaceX Falcon 9 rocket. the information they give me is: •Start with a rocket with a mass, M1, moving with a speed, v1 •The rocket expels

    asked by Greg
  107. reading verbs

    singular ---- i do, you do, he/she/it does, plural ------- we do you do they do that is present tense what is the present participle

    asked by Anonymous
  108. chem

    3. Each of 2 front tires in the car is filled with a different gas. One tire contains 116 g of helium, another tire has 160 g of unknown gas. How many times heavier is a molecule of the unknown gas than an atom of helium?

    asked by Anonymous
  109. critical thinking

    I have this crt205 9 week final project due and I don't knwo how to do it.I'm confused of how to fill out the forms and the topic I nee to use.

    asked by edith
  110. Al

    Factoring to solve quadratic equations: Find the value of x as it relates to the triangle. Area = 600 cm^2 There is a large triangle that is divided by a 90 degree angle in the middle. That 90 degree angle line is "x" and the complete bottom of the large

    asked by Jane
  111. science

    Miguel held a magnet 2cm above some steel safety pins.his magnet picked up eight pins. what will happen if Miguel holds magnet 4cm above the pins?why?

    asked by Anonymous
  112. Math

    1.A maximum of 149 students are allowed to be seated in the cafeteria at one time. The school janitor has already placed 8 tables that seat 9 students each. The remaining tables to be placed seat 7 students each. How many of the remaining tables can the

    asked by Jerald
  113. U.S/history AP

    ---------------.name for the cash crop of the Deep south because it was so economically powerful there. Southerners also mistakenly believed it was the basis for the entire American economy. I need help please

    asked by joy
  114. social studies 8th grade

    Can you please help me find an accurate map of The Treaty of Fontainebleau 1762? I am trying to complete a project and want to make sure it is accurate

    asked by Reed
  115. Life orientation

    Suggest 5 recommendation on how to address the environmental problems within your community or any other community within south africa and globally

    asked by LEBOGANG
  116. Biology

    Programmed cell suicide occurs when internal or external signals go through _____ processes. Answer a)reception b)transduction c)response d)all of the above

    asked by Molly
  117. english

    Help with junior thesis idea? ok so i have to write a junior thesis paper (8pgs) by next week and im not really sure what to write about. Its english class obviously and my teacher wants something related to that. lately we have been reading stories about

    asked by Natali
  118. Math

    5.Mrs.Sandoval has 60 folders, 45 scissors, and 30 rulers. What is the largest number of equally divided school supply groups Mrs.Sandoval can create without any remaining supplies? A.5 B.10 C.3 D.15 D 6.What is the prime factorization of 550? A.2x5^2x11

    asked by Jerald
  119. francican matric project

    Critical discuss 10 ways in which each of the 3 identified environmental health hazards (fires,dumping of wastes and floods)can impact negatively on one,s health.

    asked by ntombifuthi dunge
  120. Chemistry

    You have 500 mL of a 5.0 M solution of nitric acid HNO3 (63.01 g / mol) dissolved in water. How many grams of nitrogen does the solution contain?

    asked by Tina
  121. Alg 1

    Completing the square: Find the value of c such that each expression is a perfect-square trinomial. p^2 - 11p + c Is the answer 30.25? If not, please explain. Thanks

    asked by Jane
  122. Physics

    Consider a circuit with an RL series with L=0.09 H and R=0.05 Ohm. At t=0 the circuit is connected to a battery which provides V0=12 V. (a)How long does it take to the current to equal a fraction 0.95 of the steady state current? (b) What is the energy

    asked by tanvir ali
  123. CALCULUS

    A pile of sand in the shape of a cone whose base diameter is 4 times its height is being built up at 12 pi m3/min. How fast is the height of the pile increasing 3 min after the pouring begins.

    asked by y
  124. catherine junior school

    I have 9 Numbers which are -4, -3, -2, -1, 0, 1, 2, 3, 4 i have to put these in a 3 x 3 square grid. The numbers have to add up to one majic number. Is there a logical way to do this??????

    asked by jay
  125. Calculus

    If the volume of a spherical ballon is increasing at 4 pi m^3/ min when its radius is 2m, how fast is its surface are increasing at the same time

    asked by y
  126. Physics

    The Circuit contains a resistor R1, Resistor with R2 and an inductance L in series with a battery of emf ε0=V0 . R2 having a switch in parallel, the switch S is initially closed. At t = 0, the switch S is opened, so that an additional very large

    asked by tanvir ali
  127. INFORMATION LITERACY:

    Which of the following is a primary source? A. A recently published history book that cites diaries and letters from the 1880s B. Diaries and letters from the 1880s published in a recent book that is a collection of diaries and letters from the 1880s C. An

    asked by pennfoster
  128. Chemistry

    You titrate a 10.0 mL sample of phosphoric acid with a 1.65 M solution of the base potassium hydroxide. It takes 7.55 mL to reach the endpoint of the titration. What is the molar concentration of the original solution of phosphoric acid? 3KOH + H3PO4 -->

    asked by Jo
  129. LITERACY

    Which of the following sets of Library of Congress call numbers is in the correct order? 1. PA 203 .B252 1971, P201 .A251 1977, PE205 .C253 1954, PH202 .H255 1965 2. P201 .A251 1977, PE205 .C253 1954, PH202 .H255 1965, PA 203 .B252 1971 2?

    asked by pennfoster
  130. Math

    When studying integers, zero is _________. Select one: a. a positive b. neither a positive nor a negative. c. a negative Question 3 On a number line the numbers to the right are _________ numbers to the left. Select one: a. equal to b. great than c. less

    asked by paragonnova
  131. Math

    9.The formula F=9/5 C+32 can be used to convert a temperature from degrees Celsius to degree Fahrenheit. Which of the following best represents 9/5? A.9.5 B.1.8 C.1 4/9 D.9 4/5 B 10.Mr.Cartwright bought 2 7/8 pounds of grapes for his lunches. If he paid

    asked by Jerald
  132. Math

    Which shows these numbers correctly labeled least to greatest? A.2,2 1/3,2.4,2.6,2 1/2,2 1/5 B.2,2.4,2.6,2 1/2,2 1/5 C.2,2 1/2,2 1/3,2.4,2 1/5,2.6 D.2,2 1/5,2 1/3,2.4,2 1/2,2.6 D

    asked by Jerald
  133. Physics

    1) a car moving at 50km/h crashes Into the barrier and stops in 0.25 m a) if a 10kg child were to be stopped in the same time , what is the average force must be exerted ? c)approximately what is the mass of an object whose weight equals to the force in

    asked by Malak
  134. English

    I am extremely struggling in IB junior English. How can I survive that class. I put a lot effort too, but the teacher is grading on what we really know.

    asked by Anonymous
  135. math

    if i have a mix of 4oz. to 100lbs. how much would it be for 9Lbs.

    asked by keith
  136. human and social biology

    how long does inhaling during exercise take ? and how long exhaling during exercise take ?

    asked by kaydeen
  137. UOP

    Independent trials in relationship to probability theory means that? a. The outcome of each trial is totally independent from each other trial conducted B. Each outcome has an indendent relationship to the whole C. The outcome of each trial is dependent

    asked by Linda
  138. UOP

    What particular measure of correlation would be most appropriate for use with two variables measured at an ordinal level? a. Spearman’s Rho B. Pearson’s r C. Contingency Coefficient D. Chi Square

    asked by Linda
  139. UOP

    5) In a 95% Confidence Interval, the true mean has what chance of falling between the Lower Limit and Upper Limits of the calculated confidence interval? A. .90 B. 95% C. .05 D. 5%

    asked by Linda
  140. UOP

    7) What is the relationship of the Mean, Median and Mode as Measures of Central Tendency in a true Normal Curve? A. They are equal B. They align Median, Mode and Mean in that order C. They align Mean, Median and Mode in that order D. They align Mode,

    asked by Linda
  141. UOP

    8)X- DIVIDED BY 9=18 (Solve for X) A. 17 B. 21 C. 12 D. 31

    asked by Linda
  142. uop

    10) Independent Variable is to CAUSE as Dependent Variable is to…? A. Predictor B. Effect C. Response D. Perception

    asked by Linda
  143. ms. sue reading help

    present participle for eat, fall. give, go, know, run , see, take, throw

    asked by Anonymous
  144. chemistry203

    Determine the equilibrium constant for the following reaaction at 298K. SO3(g)+J2O(g)->H2SO4(l); delta G = -90.5

    asked by sue
  145. math

    Help me write the step by step for the use of linear equation from the following: A vehicle that gets 30 MPG will cost you $903 less to fuel each year than one that gets 20 MPG (assuming 15,000 miles of driving annually and a fuel cost of $3.61). Over a

    asked by PJ
  146. math

    Select the first five terms in the geometric sequence an= (2)^n-1, starting with ^n=1

    asked by Anonymous
  147. algebra

    Given the function f (x) = 9x + 7, find its inverse.

    asked by Anonymous
  148. algebra

    Select the first five terms in the arithmetic sequence an = 6n, starting with n = 1.

    asked by Anonymous
  149. algebra

    Simplify the logarithm log2 (64). Select the correct solution.

    asked by Anonymous
  150. U.S/history AP

    The Mexican War -Again ,this war was not supported by Americans who lived where? my answer can you help me ? please

    asked by joy
  151. maths

    the ages of a son and father are in ratio 3:8. If the son is 35 years younger than his father find their ages.

    asked by riaan
  152. help

    Σ(5 at the top)(k at the bottom)=1 ^k^2 a) 55 b) 56 c) 200 d)225

    asked by Anonymous
  153. chemistry

    how many atoms are present in a sample of water molecules with a mass of 1.800g

    asked by Anonymous
  154. english

    1-Natue is in top form in this stunning spot. 2-I enjoy nature on a weekend hike and even in my backyard. 3-This is a place of still water, of slow moving fish called koi, and of great green trees. 4-Perhaps you have already guessed the place. 5-I have in

    asked by jake plzzzzzzzzzz help plzzzzzz
  155. math

    Add, subtract, multiply or divide. Type your answer as a number only. -7 • (-6)

    asked by paragonnova
  156. stats

    Cushman and Wakefield accounting that the average annual rent for office space in Tampa was $17.63 per square foot. A real estate agent selected a random sample of 15 rental properties (offices) and found that mean rent was $18.72 per square foot and s=

    asked by chris
  157. science-biology

    Some herbicides, such as 2, 4-D are believed to make plant cells divide more rapidly than normal. Why would this kill plants? Why might this be dangerous to humans if it had the same effect on human cells?

    asked by Josh
  158. reading

    what is inhumanity to man and give ex.

    asked by li
  159. math

    Suppose A is the set of students registered at the University of Calgary, and C is the set of courses currently being offered at the University of Calgary. Under what conditions is each of the following a function? a) {(a, c) | a’s first class each week

    asked by mike
  160. college algebar

    logb x= logb(x+2)-logb8

    asked by brenda