Questions Asked on
February 21, 2014

  1. Chemistry

    AgNO3 + NaCl → AgCl + NaNO3 . How many grams of NaCl would be required to react with 446 mL of 0.211 M AgNO3 solution? Answer in units of grams

    asked by Zoey
  2. math

    the school bands sells carnations on Valentine's day for $2 each. They buy the carnations from a florist for $0.50 each , plus $16 delivery charge . how will i put this in a system of equation .

    asked by Trayanna
  3. Science

    In a fetal pig, what are the 4 lobes of the brain and their functions?

    asked by Alexandra
  4. Bio 20

    When blood enters a vein from a venule, the blood pressure A) remains constant because of the heart's pumping action B) increases because of the size of the vein C) increases because of stretch receptor stimulation D) decreases because of the size of the

    asked by Courtney
  5. Algebra 1 (Reiny)

    1Simplify the quotient (6.4 x 10^9) / (1.6 x 10^-3). Write the answer in scientific notation. My answer: 4 x 10^6? Simplify. 2. a^16/a^4 My answer: a^12? 3. (4y^6/x^3)^2 My answer: b^15/8?

    asked by Anonymous
  6. Math

    The pressure exerted by a certain liquid at a given point varies directly as the depth of the point beneath the surface of the liquid. The pressure at 30 meters is 80 newtons per square centimeter. What pressure is exerted at 50 meters?

    asked by Kara
  7. physics

    A person stands on a bathroom scale on a motionless elevator. When the elevator begins to move, the scale briefly reads 200 percent of the person's regular weight. Calculate the acceleration of the elevator, a_{elevator}. Use SI units

    asked by Ryan
  8. Physics

    At the instant a race began, a 89.1 kg sprinter exerted a force of 710 N on the starting block in the direction 110 degrees measured clockwise from the positive x-axis. (a) What was the horizontal acceleration of the sprinter? a_x = (b) If the force was

    asked by Rylan
  9. phisecs

    In a period of 3 h, a man walks 13 km north, turns around and walks 5 km south. Find his average velocity in km/h? Please pay attention to sign. (-) means the average velocity is to the south, (+) means the average velocity is to the North.

    asked by w
  10. math

    A colony of bacteria is growing in a petri dish which has a maximum capacity of 100mg. The mass of bacteria is increasing at a rate given by the logistic equation. Initially there is 2mg of bacteria and the rate of increase is 1mg per day.

    asked by Sam
  11. biology, genetics

    Suppose that r, red, and sc, scarlet, are two recessive eye-color mutations that lie 20 map units apart on the Drosophila X chromosome, and that each causes a red eye color in place of the wild type purple color. A. If a female from pure-breeding rr stock

    asked by Rain
  12. programming

    Create three (3) one-dimensional arrays: Item Number, Quantity-on-hand and Unit Cost for 15 items. Input data into all the arrays. After the data is entered, read an arbitrary number of records containing an item number and quantity-ordered. If the

    asked by lidia
  13. Science

    An electric eel can generate a voltage of 600V across its body. The eel does this via a system of up to 6000 “electroplaques” inside its body. What is the average strength of the electric field in V/m inside the body of a 10cm wide eel?

    asked by Khizar
  14. Probability

    A player is randomly dealt a sequence of 13 cards from a standard 52-card deck. All sequences of 13 cards are equally likely. In an equivalent model, the cards are chosen and dealt one at a time. When choosing a card, the dealer is equally likely to pick

    asked by Art
  15. Calculus

    y"-y'=sin x solve in undetermined coefficients

    asked by abc
  16. History

    as a christian, persian king khosrow I forbade zoroastrian teaching throughout his empire true or false

    asked by Anonymous
  17. Social studies

    I have tried to answer these im just not sure help plz. 1. Which word best describes modern life for Japanese teenagers such as Asuka? relaxed crowded isolated traditional 2. Tropical storms often hit Japan during the ________. summer winter spring fall 3.

    asked by Jessica
  18. chemistry

    How much heat is released when 28.95g of water is frozen?

    asked by Sam
  19. Chemistry

    120.0g of ice is melted, how much energy is absorbed?

    asked by carl
  20. Language Arts (Please check!)

    Choose the type of punctuation that is missing from this sentence. The pet store shelves were filled with items I wanted for my pets. a. apostrophe b. semi-colon c. colon d. hyphen ** Choose the type of punctuation that is missing from this sentence. Were

    asked by #1Student
  21. World history 201

    After years of extensive study, scholars have concluded that the olmecs of southern Mexico originally emigrated from Africa. True or False

    asked by Anonymous
  22. Math

    why is an idea like the pacific?

    asked by Nikeshaie
  23. Calculus

    ¡ì(up:1 down:0) (x^3 dx)/(x^2+2x+1)

    asked by abc
  24. Physics

    An airplane with an airspeed of 50km/h lands on a runway where the wind speed is 30km/h .

    asked by Libna
  25. physics

    A block weighing 71.5 N rests on a plane inclined at 24.1° to the horizontal. The coefficient of the static and kinetic frictions are 0.26 and 0.13 respectively. What is the minimum magnitude of the force F, parallel to the plane, that will prevent the

    asked by SAM
  26. pysics

    A 33.3- kg block (m1) is on a horizontal surface, connected to a 5.1-kg block (m2) by a massless string. The pulley is massless and frictionless. A force of 220.1 N acts on m1 at an angle of 32.p deg. The coefficient of kinetic friction between m1 and the

    asked by Ted
  27. Calculus

    ¡ìdx/(x^2-1)^2

    asked by abc
  28. Math

    (x^2+x-2) / (x^2-3x-4) X and y intercepts? Horizontal Asymptotes? Vertical Asymptotes?

    asked by Romeo
  29. Heale Care Ethics

    I have to do a paper on the pros and cons of confidentiality. I am having trouble starting the paper. Can you help

    asked by Gabby
  30. Chemistry

    determine the amount of water formed in 4NH3 + 5O2 4NO + 6H2O if 10 g of Oxygen is mixed with 10g nitrigen trihydride in grams

    asked by Lee Walkr
  31. Chemistry

    For the reaction given, the value of the equilibrium of the constant at 400 K is 7.0. Br2(g)+ Cl2(g)=2BrCl(g) Does the: Reaction proceed to the left? Reaction proceed to the right? Partial pressure represent a system in an equation?

    asked by Andy
  32. physics

    (a) A car with a mass of 950 kg is moving to the right with a constant speed of 1.45 m/s. What is the total force on the car? (b) What is the total force on the car if it is moving to the left?

    asked by Anon
  33. physics

    If a toy plane is spinning on a string 1.87 meters off the ground and the string is .5m long how long does it take to make 10 revolutions?

    asked by ken
  34. Algebra 1

    1. Simplify the quotient (6.4 x 10^9) / (1.6 x 10^-3). Write the answer in scientific notation. My answer: 4 x 10^6? Simplify. 2. a^16/a^4 My answer: a^12? 3. (4y^6/x^3)^2 My answer: 16^12/x^6? 4. (2/b^5)^-3 My answer: b^15/8?

    asked by Anonymous
  35. science

    Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two groups of 20 mice each, all from the same purebred strain. The mice were deprived of food for 3 days and then given a standard

    asked by jose
  36. Math

    Given f(x) = –5x + 1, what is f(–2)?

    asked by julie
  37. Statistics

    Selecting a letter of the alphabet: If 3 letters of the alphabet are selected at random, find the probability of getting at least one letter "x". Letters can be used more than once. My answer was: P(at least 1 "x) = 1 - (25/26)^3 = 1951/17576 or 0.11 Is

    asked by Anonymous
  38. science

    explain why a suspension is concidered a heterogeneous mixture

    asked by spencer shelton
  39. Physics

    A single mass (m1 = 3.2 kg) hangs from a spring in a motionless elevator. The spring constant is k = 253 N/m. 1) What is the distance the spring is stretched from its unstretched length? This first answer is equal to 12.4 cm but I am having trouble on the

    asked by Cam
  40. Chemistry

    How much water would I need to add in order to dilute 200mL of a 5 M solution down to 2 M?

    asked by Emma
  41. Can someone Explain this(math)

    34, 36, 43, 46, 47, 48, 48, 52, 53, 54 Box And whisker Plot I Don't Understand these at all can someone Explain without totally giving me the answer?

    asked by julie
  42. biology

    a farmer sprays insecticide on his crops and notices that the insect pest problems disappear. a year later he tries the same insecticide only to find that he did not achieve the same result. the insect population shows resistance to the insecticide. This

    asked by Skyler
  43. phisecs

    `filling the blanks: sun_________________ than moon. earth is__________________mercury.''.

    asked by w
  44. physics

    Three blocks on a frictionless horizontal surface are in contact with each other. A force F is applied to block A and the blocks start to slide to the right of their initial position. Determine the acceleration of the system, if m_A = 12 kg, m_B = 38 kg,

    asked by sean
  45. physics

    A force of 48 N is required to start a 7.8 kg box moving across a horizontal concrete floor. (a) What is the coefficient of static friction between the box and the floor? \mu_s = (b) Does the coefficent of friction have a unit? A. No, it is a ratio B. No,

    asked by shawn
  46. physics

    What is the maximum acceleration a car can undergo if the coefficient of static friction between the tires and the ground is 0.24? a_{max} =

    asked by shaun
  47. physics

    Drag-race tires in contact with an asphalt surface have a very high coefficient of static fric.tion. Assuming a constant acceleration and no slipping of tires, estimate the coefficient of static friction needed for a drag racer to cover 2.1 km in 8 s,

    asked by ryan
  48. physics

    A 7 kg purse is dropped from the top of the Leaning Tower of Pisa and falls 53 m before reaching the ground with a speed of 17 m/s. What was the average force of air resistance? F_{average} =

    asked by ryland
  49. physics

    A block with a mass of 126 kg is pulled with a horizontal fource of F_{applied} across a rough floor. The coefficent of friction between the floor and the block is 0.7. If the block is moving at a constant velocity, what is the magnitude of F_{applied}?

    asked by sean
  50. physics

    A -kg block is initially at rest on a frictionless horizontal surface. It is pulled with a constant horizontal force N. How long must it be pulled before its speed is m/s? t_{pull} =

    asked by sean
  51. Chemistry

    A+2B--->2C Kc=2.27 2c--->D Kc=0.144 Calculate the equilibrium constant for the reaction D--->A+2B

    asked by Meredith
  52. college chemistry

    Rubidium metal, Rb, crystallizes in a body-centered cubic arrangement. What is the radius of one atom of Rb, if its density is 1.5320 g/cm3?

    asked by hershi
  53. Chemistry 2

    Calculate Kp for the reaction C(s)+CO2(g)2CO(g) kp=? C(s)+2H2O(g)CO2(g)+2H2 kp1=3.47 H2(g)+CO2(g)H2O(g)+CO(g) kp2=0.735

    asked by Sharon
  54. precal

    which of the following is an asymptote of f(x)= 5/x+6

    asked by harley
  55. Chem

    Complete the Bronsted lowry reactions HPO42-+H+ HPO42-+OH-

    asked by Sharon
  56. math

    The price of a car has been reduced from $11,000 to $8,690. What is the percentage decrease of the price of the car?

    asked by cheyanne
  57. Chem

    Bronsted reaction HCO3-+HF acid?+base?

    asked by Sharon
  58. math

    Weekly pay: $253.07 Not married Exemptions: 3 What is the federal tax?

    asked by clark
  59. Science

    Does a virus have to take over a host cell in order to reproduce?

    asked by Anonymous
  60. Science

    Which of the following must be true about the structures of axons and muscle cells in order for nerve impulses to stimulate muscle contraction? a- Axons and muscle cells must both have structures that make and secrete the same small molecules. b- axons and

    asked by Anonymous
  61. algebra

    A candy cane 20 cm high has a circumference of 3 cm. The red “ribbon” makes exactly 4 complete turns round the candy cane while its two ends touch the cane's top and bottom. How long is the ribbon in cm?

    asked by gabriela
  62. math

    Your friend is standing below the window outside of our classroom and attempting to throw a rock past the window to get your attention. The rock is thrown straight up in the air and passes our window 0.40s after being released. It passes the same window on

    asked by gabriela
  63. Chemistry 2

    Calcualte PH and POh of an aqueous solution that is 0.050 M in HCL and 0.085 M in HBr at 25 degrees C

    asked by Jason
  64. Chemistry

    a mixture of 10cm^3 of C5H12 and 0.084g of C12H24 was passed with an excess of oxygen. after cooling to room temperature, the reaidual gas was passed through aqueous potassium hydroxide. what volume was absorbed by the alkali

    asked by Ellen Cameron
  65. Physics

    Sherlock Holmes examines a clue by holding his magnifying glass (with a focal length of 26.5 cm) 15.1 cm away from an object. Find the image distance. Answer in units of cm

    asked by Anna
  66. social studies

    Whats the distinguish between bills and resolutions ?

    asked by victoria
  67. Chemistry 2

    A solution of NaOH (aq) contains 8.2 grams of NaOH(s) per 100.0 mL of solution. Calcualte Ph and POH at 25 degrees celsiuis

    asked by Jason
  68. physics

    You are told that the linear "drag coefficient" due to air resistance for a particular object is 0.64 N · s/m and the object has a mass of 0.0010 kg. Find the magnitude of the terminal velocity of this object when dropped from rest. (Assume the object's

    asked by name
  69. Physics

    Suppose the magnitude of the "drag force" acting on the falling object of mass m is Dv2. Find the expression for the magnitude of the terminal velocity of this object. (Use any variable or symbol stated above along with the following as necessary: g. Do

    asked by Name
  70. Accointing , Economics and Life Science

    I was wanting to find out that with the subjects l got what type of career could l have

    asked by naomi
  71. Chem

    Assuming complete dissocaition, what is the pH of 4.93 mg/L BaOH2 solution

    asked by Helena
  72. algebra

    Solve the equation or formula for the indicated variable s=3r4t+or t answers are. t=s/3-r. t=r4-3s t=s/3r4. T=811/s

    asked by Molly
  73. Algebra 1

    1. Simplify 49^3/2. My answer: 343? 2. Simplify 5^ãx^25y^125. My answer: x^5y^25? 3. When the polynomial 5x - 2x + 8x^2 - 7 is written in standard form, what is the leading coefficient? My answer: -2? 4. Classify the polynomial 5x^2 + 9x + 1 according

    asked by Anonymous
  74. Algebra 1

    Can someone simply tell me what methods I must use in order to solve this word problem? Please, don't include the answer. I wish to solve this on my own. However, I would truly appreciate it if anyone could evaluate my answer afterwards. "A rectangle has a

    asked by Anonymous
  75. algebra

    Which inequality represent the following eight fewer than a number is at least sentence 20 answers are. X-8>20. 8-X>20, x+8

    asked by Molly
  76. Algebra 1

    Can someone simply tell me what methods I must use in order to solve this word problem? Please, don't include the answer. I wish to solve this on my own. However, I would truly appreciate it if anyone could evaluate my answer afterwards. "A rectangle has a

    asked by Anonymous
  77. Language Arts-check answer-

    #1. What is one thing a strong introduction does NOT do? a.) capture the reader's interest b.) present evidence to explain the topic******* c.) provide background information d.) state the main idea of the report #2. Which is the correct MLA citation for a

    asked by Abby
  78. Chemistry

    In a 1.0 x10-6 M of HNO3 (aq) at 25 degrees celsius identify the relative molar amounts of theses species HNO3- H3O+ OH- NO3- H2O

    asked by Joe
  79. Physics 2

    An antenna is connected to a car battery. Will the antenna emit electromagnetic radiation? Why or why not? Explain where Amperes and Faradays law is concerned

    asked by Steve
  80. Physics 2

    A beam of light is incident on a plane mirror at an angle of 35¨¬. If the mirror rotates through a small angle ¥è through what angle will the reflected ray rotate

    asked by Steve
  81. physics

    A ball of mass m strikes a wall that is perpendicular to its path at speed +v and rebounds in the opposite direction with a speed –v. The impulse imparted to the ball by the wall is

    asked by jesse k
  82. Algebra 1 Answer Check

    1. Simplify 49^3/2. My answer: 343? 2. Simplify 5^ãx^25y^125. My answer: x^5y^25? 3. When the polynomial 5x - 2x + 8x^2 - 7 is written in standard form, what is the leading coefficient? My answer: -2? 4. Classify the polynomial 5x^2 + 9x + 1 according

    asked by Anonymous
  83. physics!!

    A ball of mass m strikes a wall that is perpendicular to its path at speed +v and rebounds in the opposite direction with a speed –v. The impulse imparted to the ball by the wall is 1) 2mv 2)mv 3)-mv 4)zero 5)-2mv

    asked by jesse k
  84. chemistry

    By how much will the vapor pressure of water decrease if a solution at 40.0°C is produced by dissolving 16.0212 g of K3PO4 (formula mass = 212.30 g/mol) with 40.8480 g of water. The vapor pressure of pure water at this temperature is 55.30 mmHg. If the

    asked by kat
  85. Pathogen Question

    As I know, both protozoa and viruses use host cells. But I want to clear up a couple of doubts about the two. 1. Do protozoa take over the host cells? I know protozoa live in the cells, but I think that only viruses take over the host cells. Is this right?

    asked by Anonymous
  86. Intermediate algebra

    Can you show the work of how to work this word problem ? A local electronics store will sell 7 ax adapters and 2 rechargeable flashlights for $86 or 3 ac adapters and 4 rechargeable flashlights for $84. What is the price of a single ax adapter and a single

    asked by K
  87. history

    Throughout the seventeenth century, what was the relationship between Hungary and the Habsburg Empire?

    asked by Victoria
  88. Physics

    An engineer needs to know how far a long beam will sag under a load. The table shows some results: LOAD(N): 1000 2000 3200 4400 5200 6500 SAG(cm): 2.0 4.0 6.6 8.8 10.4 13.4 a) one of the measurements for a sag is wrong. which? What should the result be?

    asked by Melaney
  89. Algebra 1

    Genie has 100 feet of fence with which to make a rectangular cage for her rabbit. If she uses the wall of her house as one side, the area of the cage in square feet is given by the polynomial -2w^2 + 100w, where w is the width of the cage in feet. What is

    asked by Anonymous
  90. Algebra 1

    Add (5x^2 - 2x + 9) + (2x^2 - 4). My answer: 7x^4 - 2x + 5 or 7x^2 - 2x + 5?

    asked by Anonymous
  91. Math! HELP!

    For questions 14-15, find the simplified form of each expression. (3/2b^4)^3 (3/5y^4)^-2

    asked by Abby
  92. american government

    In Gibbons v. Ogden, the Supreme Court held that (Points : 1) states’ rights to regulate may not trample on powers specifically reserved for Congress. states’ rights supersede national authority. the national government does not have interstate

    asked by lisa
  93. american government

    McCulloch v Maryland is an important case because it was one of the cases whereby the Supreme Court (Points : 1) asserted the supreme authority of Congress. asserted national authority over the states. upheld states’ rights. affirmed Maryland’s right

    asked by lisa
  94. american government

    Judges who practice what their critics call “judicial activism” argue that judges (Points : 1) have a responsibility to protect individual rights and liberties. have a responsibility to be anti-majoritarian because democracy is not always a good thing.

    asked by lee lee
  95. american government

    The Privileges and Immunities Clause of the Fourteenth Amendment means (Points : 1) citizens of the United States may travel across state lines without documentation. states must all have the exact same laws as each other. that if one state recognizes gay

    asked by lee lee
  96. Chemistry

    What would be the density of Hydrogen gas at 500 C and 0.76 atm?

    asked by Angelique
  97. Chemistry

    How many molecules of nitrogen are in 22.4 L of nitrogen at exactly 0 C and 3 atm?

    asked by Angelique
  98. English

    Did a song about selfies really just play on my itunes radio? Should it be play it played

    asked by Anonymous
  99. Geometry

    ABCD is a parallelogram. P is a point on AB such that AP:AB = 1:4. Q is a point on CD such that DQ:DC = 1:3. AQ and DP intersect at R. Find the ratio AR:RQ and the ratio AR:AQ. Show work.

    asked by Lucy
  100. chemistry

    How would you prepare a solution of about 8mg/100ml of ascorbic acid in water (25ml)?

    asked by solution chemistry
  101. West Chester University

    From greatest to least, rank the accelerations of the boxes. C. B. A. D.

    asked by Amber
  102. Physics

    Two automobiles, each of mass 800kg , are moving at the same speed, 18m/s , when they collide and stick together. At what speed does the wreckage move if one car was driving north and one east.

    asked by Ty
  103. management science

    Riverside Oil Company in eastern Kentucky produces regular and supreme gasoline. Each barrel of regular sells for $21 and must have an octane rating of at least 90. Each barrel of supreme sells for $25 and must have an octane rating of at least 97. Each of

    asked by Peter
  104. world geography

    How has Italy’s economy changed since 1950

    asked by michael
  105. Physics.

    From greatest to least, rank the accelerations of the boxes. C. B. A. D.

    asked by Amber
  106. Intermediate Algebra

    Can you show the work of how to work this word problem ? A local electronics store will sell 7 ax adapters and 2 rechargeable flashlights for $86 or 3 ac adapters and 4 rechargeable flashlights for $84. What is the price of a single ax adapter and a single

    asked by Anonymous
  107. physics

    The distance between two telephone poles is 49 m. When a 1.6 kg bird lands on the telephone wire midway between the poles, the wire sags 0.149 m. The acceleration of gravity is 9.8 m/s2 . How much tension in the wire does the bird produce? Ignore the

    asked by Anonymous
  108. Math repost

    At a business meeting at panera bread company the bill for two cappuccinos and there house lattes was $14.55. At another table the bill for one cappuccino and two house lattes was $8.77. How much did each type of beverage cost? I'm not sure how this would

    asked by Anonymous
  109. Chemistry

    What conversion factor would you use to convert cubic decimeters to milliliters?

    asked by Kelsi
  110. history

    What effect did the boom in the demand for rubber have on Africa’s European colonies?

    asked by Victoria
  111. Chem Check Please!!!

    Boric acid, H3 BO3, is a triprotic acid that dissociates in three reactions. The first dissociation step is: H3BO3 ⇌ H+ + H2BO3, Ka1 = 7.3 x 1010; the second dissociation step is: H2BO3 ⇌ H+ + HBO32, Ka2 = 1.8 x 1013; and the third dissociation step

    asked by Mello
  112. Chemistry

    An atom of gold has a mass of 3.271 times 10^-22g. How many atoms of gold are in 5.00g of gold?

    asked by Kelsi
  113. Chemistry

    Light travels at a speed of 3.00 times 10^10 cm/s. What is the speed of light in kilometers/hour?

    asked by Kelsi
  114. Math

    What is a 10% year raise of $3,000 per month? What is a 15% year raise of $3,000 per month?

    asked by Anonymous
  115. Physics

    An airplane has a mass of 3.25 × 104 kg and takes off under the influence of a constant net force of 2.38 × 104 N. What is the net force that acts on the plane's 74.6-kg pilot?

    asked by Elle
  116. history

    What was the role of civil service examinations in Ming China? does anyone have any idea what the answer could be. I was looking on the internet and found this- --The civil service examination system, a an effective cultural, social, political, and

    asked by Victoria
  117. Physics

    A volleyball is spiked so that it has an initial velocity of 15.6 m/s directed downward at an angle of 56.9 ° below the horizontal. What is the horizontal component of the ball's velocity when the opposing player fields the ball?

    asked by Elle
  118. Physics

    A skateboarder shoots off a ramp with a velocity of 5.7 m/s, directed at an angle of 58° above the horizontal. The end of the ramp is 1.3 m above the ground. Let the x axis be parallel to the ground, the +y direction be vertically upward, and take as the

    asked by Elle
  119. chemistry

    WRITE DOWN REACTION OF HYDROLYSIS OF NH4NO2 IN NET IONIC FORM. INDICATE REACTION OF MEDIUM.

    asked by vee
  120. History

    Describe daily life and consumption in 18th century Europe during the Enlightenment and how it affected modern Western life. There is so many sites saying it had a good impact and bad.

    asked by Victoria
  121. Physics

    A dragster and driver together have mass 900.7 kg. The dragster, starting from rest, attains a speed of 25.7 m/s in 0.54 s. 1. Find the average acceleration of the dragster during this time interval. Answer in units of m/s^2. 2. What is the size of the

    asked by Suaad
  122. economics

    Let U(x; y) = 5x:8y:2 showing all derivation work, find: (a) the Marshallian demand functions for x and y (b) the Indirect Utility Function (c) the compensated demand functions xc and yc

    asked by Anonymous
  123. Chemistry

    What are the concentrations of HSO4- and SO42- for a 0.0050 M sulfuric acid solution? We are trying to find x but not sure how to find it on the calculator, please help!!!

    asked by Haley&Emily
  124. Physics

    a. An object has a mass of 33 kg. The acceleration of gravity is 9.8 m/ s^2. What is its weight on the earth? Answer in units of N. 2. What is its mass on the moon where the force of gravity is 1/6 that of the earth? Answer in units of kg. 3. What is the

    asked by Emeera
  125. Physics

    A block of mass 5.53 kg lies on a frictionless horizontal surface. The block is connected by a cord passing a. over a pulley to another block of mass 2.25 kg which hangs in the air. Assume the cord to be light (massless and weightless) and unstretchable

    asked by Emeera
  126. Physics

    1. Two blocks on a frictionless horizontal surface are connected by a light string. The acceleration of gravity is 9.8 m/s^2. Find the acceleration of the system. Answer in units of m/s^2. 2. What is the tension in the string between the blocks? Answer in

    asked by Suaad
  127. statistics

    Use a table of t-values to estimate the P-value for the specified one-mean t-test. Left-tailed test, n=12, t= -3.412. a=p0.005. c= 0.005

    asked by Kris
  128. Physics

    A skier of mass 59.5 kg comes down a slope of constant angle 1◦ with the horizontal. The acceleration of gravity is 9.8 m/s^2 i. What is the force on the skier parallel to the slope? Answer in units of N. ii. What force normal to the slope is exerted by

    asked by mallak
  129. economics

    1.. Suppose that U(x; y) = min(x; y) with px = 1 and py = 1. Describe and illustrate the income and substitution effects of an increase in the price of good y. What does this imply about a tax imposed on good y.. 2.. Let U(x; y) = 5x:8y:2 showing all

    asked by Anonymous
  130. English

    Which sentence is grammatical? There is no holes. There are no holes.

    asked by Anonymous
  131. Science - Start of Physics

    I need help with the following: Given below is the position-time graph representing motions of two runners, Nick and Ian. Use this graph to determine which runner has greater average velocity. For this one, I know the answer is 2m/0s, but I don't know if

    asked by Brady
  132. math

    i am a number between 60 and 100. my ones digit is two less than my tens digit. i am a prime number. what number am i? explain.

    asked by taylor
  133. Physics

    A string going over a massless frictionless pulley connects two blocks of masses 6.4 kg and 13 kg. As shown on the picture below, the 6.4 kg block lies on a 32◦ incline; the coefficient of kinetic friction between the block and the incline is μ= 0.3.

    asked by mallak
  134. Physics

    Consider a car is heading down a 5.5° slope (one that makes an angle of 5.5° with the horizontal) under the following road conditions. You may assume that the weight of the car is evenly distributed on all four tires and that the coefficient of static

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  135. Physics 141

    A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.60 104 m/s, and the radius of the orbit is 5.50 106 m. A second satellite also has a circular orbit around this same planet. The orbit of this second satellite has

    asked by Hope
  136. economic

    what is the total size of the cleaning market. what is the current demand in target market. trends in target market-growth trends,trends in consumer preferences and trend in product development. please help

    asked by anita
  137. organic chemistry

    What is the condensed structural formula of methyl 2-aminobenzoate?

    asked by roxan mee
  138. organic chemistry

    Once it has been opened, and particularly if ithas been left open to the air, a bottle of aspirin may develop a vinegar-like odor.How this might happen?

    asked by roxan mee
  139. Science:Chemistry

    How does the silly putty made up of glue gel differ from the silly putty made of soap in terms of texture ? How would the touch be different and why? Chemical structure? .....?

    asked by Anonymous
  140. Physics 141

    A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.60 104 m/s, and the radius of the orbit is 5.50 106 m. A second satellite also has a circular orbit around this same planet. The orbit of this second satellite has

    asked by Hope
  141. math

    My Math Problem When wrapping a birthday gift for his mother, Kenji adds an additional 2.5 square feet of gift wrap to allow for overlap. How many square feet of gift wrap will Kenji use to wrap a gift 3.5 feet long, 18 inches wide, and 2 feet high? My

    asked by Americal
  142. Liberty

    What is the sample Z score to reject the null hypothesis if the cut off Z score +-2.31?

    asked by Keith
  143. Business please help

    Differentiate between disitermediation and reintermediation?

    asked by haigian
  144. Science

    How does the silly putty made up of glue gel differ from the silly putty made of soap in terms of texture ? How would the touch be different and why? Chemical structure? .....? Science:Chemistry - bobpursley, Friday, February 21, 2014 at 9:53pm Have you

    asked by Anonymous
  145. Physic

    A large rock with a mass of 38.2 kg is rolling at a speed of 4.8 m/s. How much power is needed to stop the rock in 7.2 seconds?

    asked by Amanda
  146. Math

    If a metal bar at a temperature of 20 degree celcius is dropped in boiling water how long will it take for the bar to reach 98 celcius at a rate of 2 degrees per second

    asked by Derek
  147. A Peculiar Question

    Can constant belittlement and hen-pecking be considered aspects of one's personality?

    asked by Anonymous
  148. Math

    A container needs to package hazardous chemicals in a special plastic rectangular prism that holds 80 cubic feet. Find the whole number dimensions of the container that would use the least amount of plastic. My answer is 5ft, 2ft, and 4ft

    asked by Americal
  149. algebra

    To which set of numbers does the number belong-55 answers are, Natural, whole, integers, irrational

    asked by Molly
  150. algebra

    Graph the number on a number line 10/7

    asked by Molly
  151. algebra

    Insertor=to make the sentence true -1/3-2/5 answers are. = < >

    asked by Molly
  152. Science - Start of Physics

    Please help me with the following problem. Given below is the position-time graph representing motions of two runners, Nick and Ian. Use this graph to determine which runner has greater average velocity. I can't put the graph here, so the following should

    asked by Brady
  153. RE: History

    Ms. Sue, Here are my reactions to the article about the survivors. Horrified, disgusted and heart-broken

    asked by Emma
  154. algebra

    Name the property of real numbers illustrated by the equation2·(8·7)=(2·8)·7

    asked by Molly
  155. Chem 2

    Vitamin K is involved in normal blood clotting. When 1.56 g of vitamin K is dissolved in 25.0 g of camphor, the freezing point of the solution is lowered by 5.23 °C. . Calculate the molar mass of vitamin K. I posted this yesterday but I got the wrong

    asked by Bri
  156. Physics

    An electric dipole is formed from two charges, ±q, spaced 1.00cm apart. The dipole is at the origin, oriented along the y-axis. The electric field strength at the point (x,y)=(0cm,10cm) is 320N/C . What is the charge q? Give your answer in nC. What is the

    asked by Allison
  157. Calculus Please help!

    Use implicit differentiation to find the slope of the tangent line to the curve at the point (1,3) -4x^2+4xy-2y^3=-46 m=____? ty guys so much!

    asked by ALI
  158. Calculus Please help!

    If 7000 dollars is invested in a bank account at an interest rate of 7 per cent per year. A) Find the amount in the bank after 6 years if interest is compounded annually? B) Find the amount in the bank after 6 years if interest is compounded quaterly? C)

    asked by ALI
  159. Pre-calculus

    C=80,000p/(100-p) A)what happens of the company tries to remove 100 percent of the pollutants? Will it work or will it cost too much? B)draw a diagram to show what the consequences of the last question would be. Label the verticals asymptote(s) and analyze

    asked by Aminata
  160. Math

    Kamal bought 7 packs of paper clips for a project. Then he bought 8 more packs. There are 25 paper clips in each pack. How many paper clips did he buy?

    asked by Jake
  161. Physics 141

    A car is on a circular track of radius r = 100 m. It's tangential speed is 30 m/s. How many lateral gravities does the driver feel?

    asked by dakota22