Most popular questions and responses by Anthony
  1. Social Studies

    1. What are the three types of productive resources? Select all that apply. (3 points) the raw materials provided by the planet the planning and work that go into production the markets that sell the results of production the social systems that ensure

    asked on November 15, 2016
  2. Physics

    Two blocks rest on slopes of unequal angles, connected by a rope passing over a pulley. If the blocks equal masses, will they remain at rest? Why? Neglect friction.

    asked on October 14, 2012
  3. english

    The Passionate Shepherd to His Love Come live with me and be my love, And we will all the pleasures prove That valleys, groves, hills, and fields, Woods, or steepy mountain yields. And we will sit upon rocks, Seeing the shepherds feed their flocks, By

    asked on March 7, 2011
  4. physics

    A car travelling at 25 m/s slams its break leaving skids marks along a distance 125 m as it comes to rest. the coefficient f friction between the tire and the road is a 5 b 2.5 c 1 2 .4 e .25 A 500N worker pulling a 500 N crate on a rope with a force of 50

    asked on February 20, 2017
  5. Computers

    You have administrative rights to your computer running windows 7. You cannot find some of the operating system files on your system volume. What to do to make the appear? A. Uncheck hide protected operating system Giles in folder options. B. Uncheck hide

    asked on January 13, 2014
  6. 4th grade math

    long jump measurements. Allison jumped 3/8 foot shorter than the farthest jump. How far, in feet, did Allison jump? how to calculate long jump measurements

    asked on March 28, 2016
  7. math

    The density of a solid or liquid material divided by the density of water is called the _______ of the material?

    asked on August 21, 2014
  8. social studies

    one reason why nigerians remain poor,despite their countrys large oil deposits

    asked on September 29, 2014
  9. English

    Which value is reflected in Heracles ? .

    asked on August 28, 2015
  10. physics please help

    A drum (see Figure 10.2) has a radius of 0.40 m and a moment of inertia of 2.3 kg ∙ m2. The frictional torque of the drum axle is A 14 m length of rope is wound around the rim. The drum is initially at rest. A constant force is applied to the free end of

    asked on October 18, 2014
  11. physics

    A 40-g block of ice is cooled to −71°C and is then added to 590 g of water in an 80-g copper calorimeter at a temperature of 27°C. Determine the final temperature of the system consisting of the ice, water, and calorimeter. (If not all the ice melts,

    asked on April 11, 2012
  12. physics

    Shawn and his bike have a total mass of 57.1 kg. Shawn rides his bike 1.3 km in 14 min at a constant velocity. The acceleration of gravity is 9.8 m/s 2 . What is Shawn’s kinetic energy?

    asked on January 19, 2015
  13. chemistry

    How many aluminum atoms are in 3.78 g\rm g of aluminum?

    asked on October 20, 2014
  14. Math

    A flower is 9 3/4 inches tall. In one week, it grew 1 1/8 inches. How tall its the flower at the end of the week? Write in simplest form.

    asked on February 8, 2016
  15. World History

    Jews were persecuted in Europe for hundreds of years even before the 20th century (1). Thousands were massacred by crusading knights on their way to the Holy Land (2). Another common practice was to force Jews into sections of town called ghettos (3). In

    asked on July 16, 2018
  16. math

    Katie invested a total of ​$6000 ​, part at 3 ​% simple interest and part at 4 ​% simple interest. At the end of 1​ year, the investments had earned ​$214 interest. How much was invested at each​ rate?

    asked on February 5, 2017
  17. algebra

    The volume of a gas varies directly with its temperature and inversely with the pressure. If the volume of a certain gas is 20 cubic feet at a temperature of 350K and a pressure of 35 pounds per square inch, what is the volume of the same gas at 330 K when

    asked on November 5, 2016
  18. English

    1. My hobby is (collecting stamps.) A. predicate nominative B. adjective C. adverb D. direct object I think it's D? 2. (Stamp collecting) is fun for children and adults alike. A. subject B. predicate nominative C. adverb D. direct object I think it's A? 3.

    asked on April 12, 2011
  19. Social Studies

    Brazil’s economy today can best be described as 1. relying mainly on agriculture 2. modern and diversified 3. dependent on single product 4. focused on coffee and sugarcane.

    asked on March 21, 2019
  20. maths

    A spherical tank of diameter 3m is filled with water from a pipe of radius 30cm at 0.2m/s.calculate an corect to 3s.f the time in minute it take to fill the tank.thankyou godbless

    asked on July 28, 2015
  21. history

    How did Virginia’s population numbers change in the last half of the 1600s? A. The population fell due to increased disease and warfare with the Native Americans. B. New settlers arrived and replaced those who died from the harsh life and disease,

    asked on May 11, 2018
  22. physics

    A locomotive that has a mass of 6.4 x 105 kg is used to pull 2 railway cars. Railway car 1 has a mass of 5.0 x 105 kg, is attached to railway car to that has a mass of 3.6 x 105 kg by a locking mechanism. A railway engineer tests the mechanism and

    asked on October 30, 2013
  23. Physics

    Two point charges are separated by 10.0 cm and have charges of 2.0 μC and -2 μC, respectively. What is the electric field at the point midway between the two charges? (k = 8.99 x 109 N.m2/C2) A. 28.8 x 10 6 B. 14.4 x 106 C. 7.19 x 106 D. 3.59 x 106 E.

    asked on February 24, 2011
  24. Physics

    The relatively high resistivity of dry skin, about 1x10^6 Ohm m, can safely limit the flow of current into deeper tissues of the body. Suppose an electrical worker places his palm on an instrument whose metal case is accidently connected to a high voltage.

    asked on February 17, 2010
  25. quantitive reasoning math

    taxes on a house assessed at $64,000 are $1500 a year. If the assessment is raised to $85,000 and the tax rate did not change, how much would the taxes be?

    asked on September 6, 2017
  26. math

    Bill Shass pays a property tax of $3,200. In his community, the tax rate is 51 mills. What is Bill’s assessed value? (Round your answer to the nearest dollar amount. Omit the "$" sign in your response.)

    asked on May 5, 2009
  27. Chem

    A sealed balloon is filled with 1.00 L of helium at 23°C and 1.00 atm. The balloon rises to a point in the atmosphere where the pressure is 299 torr and the temperature is -31°C. What is the change in the volume of the balloon as it ascends from 1.00 atm

    asked on July 18, 2016
  28. 4th grade math

    Ellie and Heather drew floor models of their living rooms. Ellie's model represented 20 feet by 15 feet. Heather's model represented 18 feet by 18 feet. Whose floor model represents the greater area? How much greater?

    asked on April 11, 2016
  29. Chemistry

    Hydrogen holds promise as an environment friendly fuel. How many grams of H2 gas are present in a 52.0 L fuel tank at a pressure of 2861 lb/in2 (psi) at 20.0°C? Assume that 1 atm = 14.7 psi.

    asked on November 4, 2017
  30. math

    maurice puts 130 trading cards in protector sheets. He fills 7 sheets and puts the remaining 4 cards in an eighth sheet. Each of the filled sheets has the same number of cards. How many cards are in each filled sheet?

    asked on September 28, 2012
  31. math

    the number of blocks has 9 in the ones place. the number in the hundreds place is one more than the number in the tens place. those two numbers equal 11. how many blocks are there?

    asked on January 18, 2017
  32. physics

    A pair of eyeglass frames are made of an epoxy plastic (coefficient of linear expansion = 1.30 10-4°C−1). At room temperature (20.0°C), the frames have circular lens holes 2.27 cm in radius. To what temperature must the frames be heated if lenses 2.28

    asked on April 11, 2012
  33. Chemistry

    How many moles of sulfur are present in 2.6 moles of Al2(SO4)3?

    asked on March 10, 2014
  34. Physics

    You decide to take a nice hot bath but discover that your thoughtless roommate has used up most of the hot water. You fill up the tub with 270 kg of 30.0°C water and attempt to warm it further by pouring in 5.00 kg of boiling water from the stove. (a)

    asked on July 18, 2010
  35. AP physics (multiple choice)

    an object is undergoing uniform circular motion. which of the following statements is true? a. the velocity is constant b. the acceleration is constant. c. the a is constant but v varies. d. the v is constant but the a varies. E. both a and v vary.

    asked on March 26, 2017
  36. algebra

    The length a spring stretches is directly proportional to the force applied. If a force of 8 pounds stretches a spring 10 inches, how much force is necessary to stretch the same spring 9 inches?

    asked on November 5, 2016
  37. Chemistry

    Draw the product of the hydration of 2-butene.

    asked on June 24, 2013
  38. English

    Select the letter of the choice that correctly identifies the underlined word. The author frequently used co-ordinate clauses to express contrast. (co-ordinate is underlined) A. the prefix should be followed by a hyphen. B. the prefix should not be

    asked on April 8, 2011
  39. Physics

    You've made the finals of the Science Olympics! As one of your tasks, you're given 1.1g of copper and asked to make a cylindrical wire, using all the metal, with a resistance of 1.7 Ohm. What length l will you choose for your wire? What diameter d will you

    asked on February 17, 2010
  40. Computers

    Your company wants to implement a 5-year rotation plan of your computing devices. What percentage of your computer fleet will you have to replace every year in order to achieve this? A. 5 B. 10 C. 20 D. 50 Is the answer C 20

    asked on January 9, 2014
  41. physics

    A baseball player hits a home run over the left-field fence, which is 104 m from home plate. The ball is hit at a point 1.04 m directly above home plate, with an initial velocity directed 28.5° above the horizontal. By what distance does the baseball

    asked on October 16, 2012
  42. AP physics

    search "ap waves and sound free response questions answers" into google and click on the second one that pops up. answers are on the bottom of the page. question number 23 i don't understand why it is B.

    asked on April 12, 2017
  43. science

    Suppose an ideal car jack has an input work 2750 J. It lifts a car 0.35 meters in 8 seconds. a. What is the output work of the jack? b. How much power is required to lift the car? c. What is the efficiency of the jack? I can't give a answer because I am

    asked on March 14, 2017
  44. fluid mechanics

    a block has a mass of 400kg in air when submerged in seawater it weighs 2943N. what is the specific gravity of the block?

    asked on September 29, 2015
  45. Physics

    You've made the finals of the Science Olympics! As one of your tasks, you're given 1.8g of copper and asked to make a wire, using all the metal, with a resistance of 1.3 Ohm. Copper has a density of 8900 kg/m^3. What length will you choose for your wire(in

    asked on February 17, 2010
  46. Physics Word Problem

    suppose a meteorite called head on with mars and becomes buried under mars surface. what would be the elasticity of this collision? explain your answer.

    asked on February 22, 2017
  47. Physics

    When a nerve cell depolarizes, charge is transferred across the cell membrane, changing the potential difference. For a typical nerve cell, 9.0 pC of charge flows in a time of 0.50ms. What is the average current(Value and units)?

    asked on February 17, 2010
  48. chemistry

    Calculate the pressure exerted by 1.2 mol\rm mol of gas in a volume of 28.2 L\rm L and at a temperature of 334 K\rm K.

    asked on November 25, 2014
  49. math

    The price of a home is $120,000. The bank requires a 10% down payment and two points of closing. The cost of the home is financed with 30-year fixed-rate mortgage at 8.5%. Find the total cost of interest over 30 years.

    asked on December 2, 2009
  50. Chemistry

    Draw the product of the hydration of 2-butene.

    asked on June 24, 2013
  51. Physics

    Resistivity measurements on the leaves of corn plants are a good way to assess stress and overall health. The leaf of a corn plant has a resistance of 2.1 M Ohm measured between two electrodes placed 20cm apart along the leaf. The leaf has a width of 2.8

    asked on February 17, 2010
  52. English

    Select the letter of the choice that correctly identifies the underlined phrase in the sentence. 1. The 17th century Pilgrims were the first Europeans (to arrive on Cape Cod.) A. infinitive phrase B. absolute phrase C. prepositional phrase D. appositive

    asked on April 12, 2011
  53. physics

    A stone is thrown horizontally outward from the top of a bridge, the stone is released 19.6meter above the street below.the initial velocity of the stone is 5.0m/s.determine the (a)total time that the stone is in the air (b)magnitude and direction of the

    asked on July 28, 2015
  54. physics

    An acrobat hangs from a trapeze with the tension in both ropes is 315 Newtons.What is the mass of the acrobat?

    asked on October 2, 2017
  55. Physics

    An electric eel develops a potential difference of 460 V, driving a current of 0.80 A for a 1.0 ms pulse. Find the power of this pulse. Find the total energy of this pulse. Find the total charge that flows during the pulse.

    asked on February 17, 2010
  56. physice

    A deep-sea fisherman struggles to bring in a big salmon (see figure below). Find the force each hand must exert on the pole if the tension in the line is 155 N. Neglect the weight of the pole and assume that the force exerted by the left hand is directed

    asked on December 6, 2012
  57. physics

    Two cars approach an ice-covered intersection. One car, of mass 1.22 103 kg, is initially traveling north at 10.6 m/s. The other car, of mass 1.69 103 kg, is initially traveling east at 10.6 m/s. The cars reach the intersection at the same instant,

    asked on November 29, 2012
  58. physics

    A skater of mass 85.5 kg initially moves in a straight line at a speed of 4.70 m/s. The skater approaches a child of mass 36.5 kg, whom he lifts on his shoulders. Assuming there are no external horizontal forces, what is the skater's final velocity?

    asked on November 29, 2012
  59. Physics

    In a typical lightning strike, 2.5 C flows from cloud to ground in 0.20 ms. What is the current during the strike?

    asked on February 17, 2010
  60. Physics

    2.0x10^13 electrons flow through a transistor in 1.0ms. What is the current through the transistor?

    asked on February 17, 2010
  61. English

    John Donne HOLY SONNETS 10 Death, be not proud, though some have called thee Mighty and dreadful, for thou art not so ; For those, whom thou think'st thou dost overthrow, Die not, poor Death, nor yet canst thou kill me. From rest and sleep, which but thy

    asked on March 9, 2011
  62. math

    when a 3- digit number is divided by 1-digit, the estimated quotient is 50. Think of two possible numbers that can give this quotient.

    asked on November 2, 2011
  63. English

    I am currently writing my research essay for my Dual credit class over Election Security and Voting. I have completed my outline, but I do not know how to form a good hook.

    asked on November 14, 2018
  64. Chem

    A 2.461-g sample of glutamic acid, C5H9NO4 (147.13 g/mol) was burned in a bomb calorimeter with excess oxygen. The temperature of the calorimeter and the water before combustion was 23.76 °C; after combustion the calorimeter and the water had a

    asked on October 28, 2017
  65. Personal Finance

    On December 1, 2004 a $1,000.00 bond, paying 6% interest on January 1st and July 1st of each year is purchased for $950.00. The bond is sold on December 5, 2005 for $980.00. What would be the total monetary return including both interest and capital gains

    asked on November 10, 2013
  66. Physics

    Two point charges are separated by 10.0 cm and have charges of 2.0 μC and -2 μC, respectively. What is the electric field at the point midway between the two charges? (k = 8.99 x 109 N.m2/C2) A. 28.8 x 10 6 B. 14.4 x 106 C. 7.19 x 106 D. 3.59 x 106 E.

    asked on February 23, 2011
  67. Math

    Pedro spent 2 1/5 hours on his math himework and half as lomg on his science homework one weekend. If his english and social studies homework took 7/8 as long, how much time did he spent on homework that weekend?

    asked on November 4, 2016
  68. math

    How much ribbon is needed to wrap the package shown if 15 inches of ribbon are needed to make the bow? length is 16 width is 9 height is 4

    asked on September 23, 2014
  69. physics

    Consider a cloudless day on which the sun shines down across the United States. If 2312 kJ of energy reaches a square meter (m2) of the United States in one hour, how much total solar energy reaches the entire United States per hour? The entire area of the

    asked on January 22, 2019
  70. physics

    Two blocks move along a linear path on a nearly frictionless air track. One block, of mass 0.104 kg, initially moves to the right at a speed of 4.70 m/s, while the second block, of mass 0.208 kg, is initially to the left of the first block and moving to

    asked on November 29, 2012
  71. math

    Jasmine has 8 packs of candle wax to make scented candles. Each pack contains 14 ounces of wax. Jasmine uses 7ounces of wax to make one candle. How many candles can she make?

    asked on September 27, 2012
  72. Physic

    An electric motor rotating a workshop grinding wheel at a rate of 114 rev/min is switched off. Assume the wheel has a constant negative angular acceleration of magnitude 2.10 rad/s2. (a) How long does it take for the grinding wheel to stop?

    asked on November 14, 2011
  73. Physics

    A diver jumps off a 10m diving board with an initial upward velocity of 5.0 m/s. What is the diver's velocity after 1.5 seconds?

    asked on March 17, 2012
  74. math

    The cross section of an attic is in the shape of an isosceles trapezoid. If the height of the attic is 9 feet, BC=12 feet, and AD=28 feet, find the length of line AB to the nearest foot. The triangle of the trapezoid is triangle ABE and the bases are BC

    asked on April 11, 2009
  75. physics

    a kangaroo jumps to a vertical height of 2.55m.How long was it in the air before returning to Earth? pleaseee anwser it is due in 1 day!!!!

    asked on July 20, 2008
  76. 4th grade math

    The school carnival is divided into sections. The dunk tanks are in 1/10 of the carnival. Games are in 4/10 of the carnival. Student exhibits are in 5/10 of the carnival. what fraction is dunk tanks and games

    asked on March 4, 2016
  77. Chemistry

    i need to find the; [Cl-] in PbCl2 solution,[Pb2+] in PbCl2 solution, and the ksp given: PbCl2(s)--> Pb2+(aq)+2Cl-(aq) Temp of solution =20.2 volume of Pbcl2 solution=25.00ml mass of dry AgCl2(g)=0.2543g #moles : AgCl(s)=1.77e-3 Cl(aq)=1.77e-3 Pb2+(aq)=

    asked on April 26, 2010
  78. percentages/word problem

    The Quick Plumbing Supply sells a set of faucets for $79.75. If a 45% markup based on cost was used, what was the cost of the faucets to Quick Plumbing? (Round to the nearest cent.)

    asked on April 3, 2014
  79. physics

    at the instant shown, the 50 lb bar rotates clockwise 2 rad/s. The spring attached to its end always remains vertical due to the roller guide at C. If the spring has an unstretched length of 2 ft and a stiffness of k=6lb/ft, determine the angular velovity

    asked on May 1, 2011
  80. Physics

    5. The surface of a glass plate (index of refraction n3 = 1.50) is coated with a transparent thin film (index of refraction n2 = 1.25). A beam of monochromatic light of wavelength 6.0 X 10^-7 meter traveling in air (index of refraction n1 = 1.00) is

    asked on April 7, 2011
  81. Physics

    In one section of the pool, there is a thin film of oil on the surface of the water. The thickness of the film is 1.0 X l0^-7 meter and the index of refraction of the oil is 1.5. The light source is now held in the air and illuminates the film at normal

    asked on April 7, 2011
  82. chemistry

    Food and Drug Administration (FDA) recommends that adults ingest less than 2.4 g of sodium per day. How many liters of softened water, containing a sodium concentration of 0.050% sodium by mass, have to be consumed to exceed the FDA recommendation? (Assume

    asked on July 9, 2010
  83. Physics

    An electric catfish can generate a significant potential difference using stacks of special cells called electrocytes. Each electrocyte develops a potential difference of 110 mV. How many cells must be connected in series to give the 350V a large catfish

    asked on February 17, 2010
  84. Chemistry

    a solution is prepared by adding 5g of ammonia,Nh3, and 20g of ammonium chloride, NH4Cl , to enough water to form 2.5 L of solution. What is the ph of the buffer? Kb= 1.8*10^-5

    asked on April 19, 2018
  85. microeconomics

    If a firm holds a pure monopoly in the market and is able to sell 5 units of output at $4.00 per unit and 6 units of output at $3,90 per unit, it will produce and sell the sixth unit if its marginal cost is 4.00 or less 3.40 or less 3.90 or less

    asked on February 27, 2016
  86. Eng

    In his essay "revolution of time" Dunn would agree with all of the following statements except

    asked on August 18, 2014
  87. physics

    Comic-book superheroes are sometimes able to punch holes through steel walls. (a) If the ultimate shear strength of steel is taken to be 3.00 x 10^9 Pa, what force is required to punch through a steel plate 1.90 cm thick? Assume the superhero's fist has

    asked on February 1, 2013
  88. history

    Why did Bacon’s Rebellion collapse? A. The Virginia governor declared Bacon and his men rebels. B. Bacon was defeated at Jamestown. C. The English stopped consuming tobacco. D. Its leader, Nathaniel Bacon, became sick and died. again D. is my answer. :)

    asked on May 11, 2018
  89. Algebra 2

    V=df-di/tf-tf; solve for tf Please show step by step procedure so I can understand how to solve this. Many thanks.

    asked on September 3, 2013
  90. english

    The Nymph's Reply to the Shepherd by Sir Walter Raleigh 1600 If all the world and love were young, And truth in every shepherd's tongue, These pretty pleasures might me move To live with thee and be thy love. Time drives the flocks from field to fold, When

    asked on March 7, 2011
  91. algebra

    On Monday, Voltaire drove to town at 60 miles per hour. On Tuesday, he drove to town at 40 miles per hour. If the totaling traveling time for both trips was 15 hours, how far was it to town? I know distance=(rate)(time).so I set it up like

    asked on December 11, 2007
  92. Pre-calc Math

    The path of a satellite orbiting the earth causes the satellite to pass directly over two tracking stations A and B, which are 95 mi apart. When the satellite is on one side of the two stations, the angles of elevation at A and B are measured to be 87.0°

    asked on December 23, 2016
  93. Art History

    Islamic architects commonly use which of the following elements in mosques? frescoes that depict humankind's relationship to Allah pyramidal bases that raise the mosque above other buildings crenellated towers that protect the mosque against attack

    asked on November 15, 2014
  94. physics

    A child does 350 J of work while pulling a box from the ground up to his tree house with a rope. The tree house is above the ground. What is the mass of the box?

    asked on October 18, 2014
  95. Changing Dimension

    Find the dimension of a box that will hold half as many cubes as a box that is 2 by 8 by 10.

    asked on October 6, 2011
  96. physics

    a brick is dropped form the roof of a building. On the way down it passes a 2m high window and is observed to pass from the top to the bottom of the window in 0.25s. (a) How fast was it moving when it passed the top of the window? (b)How far below the roof

    asked on January 24, 2017
  97. math

    in a survey, 1000 people were asked what sports they liked best. of that number, 423 said baseball and 95 said tennis. what part of total number surveyed liked baseball? what part liked tennis?

    asked on September 7, 2016
  98. Math

    Suppose a child is sitting 5 feet from the fulcrum. Where does a 175 pound adult need to sit for the seesaw to be balance?

    asked on August 7, 2014
  99. percentages/word problem

    A refrigerator costs a company $1,600 to manufacture. If it sells for $3,456, what is the percent markup based on cost? (Round to the nearest whole percent.)

    asked on April 3, 2014
  100. Consumer Math

    A pyramid composed of four equilateral triangles, called a tetrahedron, has a one-side length of 5 meters. What is its surface area? Round the answer to the nearest tenth.

    asked on February 11, 2014


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