Popular questions and responses by Natasha
  1. English

    A speech about traditional african marriage is an advantage for men only,not women

    asked on July 23, 2015
  2. Calculus

    Engr. Ramos is walking at the rate of 5m/sec along the diameter of of a circular courtyard. A light at one end of a diameter perpendicular to his path casts a shadow on the circular wall. How fast the shadow from the man to the center of the courtyard is

    asked on September 11, 2016
  3. physics

    Find the power delivered to an element at t=3 ms if the current entering its positive terminal is i=5cos60πt A and the voltage is V=3 di/dt

    asked on January 17, 2017
  4. physics

    A container holds 2.2 mol of gas. The total average kinetic energy of the gas molecules in the container is equal to the kinetic energy of a 7.7x10-3 kg bullet with a speed of 650 m/s. What is the Kelvin temperature of the gas?

    asked on January 28, 2013
  5. physics

    When a 58g tennis ball is served, it accelerates from rest to a speed of 45m/s. The impact with the racket gives the ball a constant acceleration over a distance of 44cm. What is the magnitude of the net force acting on the ball?

    asked on February 12, 2012
  6. Chemistry

    500ml of 0.250M Na2SO4 solution is added to an aqueous solution of 15.00 g of BaCl2 resulting in the formation of white precipitate of BaSO4. How many moles and how many grams of BaSO4 are formed?

    asked on August 9, 2012
  7. English

    What is comparative and superlative For: Tired For comparative I think it is more tired And for superlative more tiring?

    asked on November 28, 2018
  8. Math

    Who is working harder, Fred running a 10 min mile pace at a 10% grade or Pete who is 55 kg, cycling on a Monarch ergometer with a resistance of 2.5 kg and a pedal rate of 60 rpm?

    asked on October 6, 2013
  9. physics

    The drawing shows a square, each side of which has a length of L = 0.25 m. Two different positive charges q1 and q2 are fixed at the corners of the square. Find the electric potential energy of a third charge q3 = -4.35 10-8 C placed at corner A and then

    asked on July 4, 2012
  10. physics

    Two charges, -17 and +3.6 µC, are fixed in place and separated by 3.2 m. a) At what spot along a line through the charges is the net electric field zero? Locate this spot relative to the positive charge. (Hint: The spot does not necessarily lie between

    asked on July 3, 2012
  11. physics

    In a football game, a receiver is standing still, having just caught a pass. Before he can move, a tackler, running at a velocity of 4.5m/s, grabs him. The tackler holds onto the receiver, and and the two move off together with a velocity of 2.6m/s. The

    asked on March 12, 2012
  12. physics

    A net force of 25N is applied for 5.7s to a 12-kg box initially at rest. Waht is the speed of the box at the end of the 5.7s interval?

    asked on February 18, 2012
  13. algebra 1

    LaTasha was presented with the following data set and argued that there was no correlation between x and y. Is LaTasha correct? Use the regression equation to explain your reasoning.

    asked on November 29, 2016
  14. Elements of Psychology

    I need help on these questions. My answers have the < by them 1. In a typical neuron, sheaths of fatty tissue called _______ surround the axon. A. terminals C. synapse B. dendrites D. myelin

    asked on September 16, 2010
  15. Home Economics

    What are the three main areas of home economics?

    asked on June 11, 2016
  16. mathematics

    Ruth has $130 in all. Kevin has $115 in all. If Ruth has 1 and a half times as much money as kevin, how much money does ruth have?

    asked on January 3, 2016
  17. physics

    A "swing" ride at a carnival consists of chairs that are swung in a circle by 12.0 m cables attached to a vertical rotating pole, as the drawing shows. (θ = 61.0°) Suppose the total mass of a chair and its occupant is 196 kg. the tension is 3961.97N Find

    asked on February 22, 2012
  18. english literature

    what is the significance of the odan tree in africa?

    asked on September 22, 2016
  19. physics

    The drawing shows box 1 resting on a table, with box 2 resting on top of box 1. A massless rope passes over a massless, frictionless pulley. One end of the rope is connected to box 2, and the other end is connected to box 3. The weights of the three boxes

    asked on February 21, 2012
  20. Statistics

    Across the USA, results for these exams are normally distributed. What does that mean and why is this the case? If you were to create a histogram of all GRE scores, what would you expect the histogram to look like? Would it be symmetrical? Would it be bell

    asked on December 16, 2015
  21. English

    How is Ernest Gaines effective as a storyteller in A Lesson Before Dying? Are there any stylistic elements from the novel to support that?

    asked on July 8, 2015
  22. math

    A rectangular plot is bounded at the back by a river. No fencing is needed along the river and there is to be an opening in front of about 24 meters. If the cost of fencing in front is $1500 per meter and the cost of fencing the sides is $1000 per meter,

    asked on April 25, 2013
  23. Physics

    At an instant when a soccer ball is in contact with the foot of a player kicking it, the horizontal or x component of the ball's acceleration is 810m/s^2 and the vertical or y component of its acceleration is 110m/s^2. The ball's mass is 0.43kg. what is

    asked on February 12, 2012
  24. Chem again

    The solubility of Acetanilide in hot and cold water is: Temperature.........Solubility in 100ml H20 100C....................5.5g 0C........................0.53g What is the maximum recovery if 5.0g of acetanilide is recrystallized from 100mL of water? My

    asked on March 8, 2010
  25. biostatistics

    among coffee drinkers, men drink a mean of 3.2 cups per day with a standard deviation of 0.8 cups. Assume the number of coffee drinks per day follows a normal distribution. a. What proportion drinks 2 cups per day or more? b. What proportion drink no more

    asked on November 4, 2011
  26. accounting

    The Anderson Company has sales of $4,500,000. It also has invested assets of $2,000,000 and operating expenses of $3,600,000. The company has established a minimum rate of return of 7%. What is Anderson Company's profit margin? 18% 44.4% 20% 80%

    asked on August 14, 2009
  27. physics

    (a) Just for fun, a person jumps from rest from the top of a cliff overlooking a lake. In falling through a distance H, she acquires a certain speed v. Assuming free-fall conditions, how much farther must she fall in order to acquire speed 2v? Express your

    asked on January 20, 2012
  28. Language arts

    In an essay, explain how the alliteration in full fathom five helps convey the atmosphere of the poem. Think about where is the poem is set and what is described. Then, give two examples of alliteration in the poem, and describe how they add to the

    asked on March 7, 2017
  29. Math

    What is the functional capacity in METs and Vo2 (mL/kg/min) of a 70 kg man who completed Stage V (3mph, 12.5% grade) of a Balke TM test?

    asked on October 6, 2013
  30. chemistry

    The equation Mg(s) 2HCl(aq)---MgCl2 (aq) H2(g) is an example of which type of reaction?

    asked on July 29, 2008
  31. Math

    Find the next two terms for the sequence 2 6 10 14...

    asked on November 12, 2019
  32. Math

    A garden is measuring 12m by 16m is to have a path around it, increasing the total area to 285 square metre. what is the width of the path? I went like that (16+2x).(12+2x)= 285 4x^2+56x-93=0 I am stuck now

    asked on December 11, 2018
  33. Math

    A 12-foot ladder is leaning against a wall. The base of the ladder is 4 feet from the wall. How tall is the wall?

    asked on March 19, 2014
  34. Maths

    The second term in the expansion of (1-x)(1+2x)Λn is 19x. Find the value of n

    asked on May 12, 2013
  35. physics

    A car (mass=1100kg) is traveling at 32m/s when it collides head on with a sport utility vehicle (mass=2500kg) traveling in the opposite direction. In the collision, the two vehicles come to a halt. at what speed was the sport utility vehicle traveling.

    asked on March 12, 2012
  36. math

    Janet Home went to Citizen Bank. she borrowed $7000 at a rate of 8%. The date of the loan was September 20. Janet hoped to repay the loan on January 20. Assuming the loan is based on ordinary interest, Janet will pay back how much interest on January 20?

    asked on February 27, 2017
  37. Mathematics

    What stepping rate is needed if a person wants to work at a Vo2 of 45 mL/kg/min using a bench that is 34 cm high?

    asked on October 6, 2013
  38. science/math

    width of a normal sheet of paper is 8.5inches. Convert this length to kilometers

    asked on November 17, 2012
  39. physics

    Two students, Jahna, and Raul, re performing Experiment 1. To simplify their calculations, each will apply their force perpendicular to the arm of the apparatus. Jahna attaches her spring scale 15cm from the pivot and pulls with a force of 2.5N. Raul

    asked on April 16, 2012
  40. physics

    A 20kg sled is being pulled across a horizontal surface at a constant velocity. The pulling force has a magnitude of 80N and is directed at a angle of 30.0degrees above the horizontal. Determine the coefficient of kinetic friction.

    asked on February 13, 2012
  41. chemistry

    A mixture of gases at a total pressure of 95 kPa contains N2, CO2, and O2. The partial pressure of the CO2 is 24 kPa and the partial pressure of the N2 is 48 kPa. What is the partial pressure of the O2?

    asked on July 29, 2008
  42. Statistics

    Biologists studying the healing of skin wounds measured the rate at which new cells closed a razor cut made in the skin of an anesthetized newt. Here are data from 18 newts, measured in micrometers per hour:

    asked on April 25, 2007
  43. Math

    How many grams of a drug should be added to 180 ml of water to make a 15% (w/w) solution? My answer: 0.15 = (x/180) x= 27 gm

    asked on September 30, 2018
  44. Calculus

    A statue 5m high is standing on a base 8m high. Is an observer's eye is 2.5 m above the ground, how far should he stand from the base of the statue in order that the angle between his lines of sight to the top and bottom of the statue be a maximum.

    asked on August 29, 2016
  45. PLZ Check my Science Project's summary?!

    The following r the instructions to my Project: - Compose a scientific summary of your method, observations, data, and conclusions. In addition, be sure to answer the questions below in your report. 1. Why does the first method for determining volume work

    asked on January 4, 2016
  46. Math TRUE or FALSE Help

    You do not need to flip the inequality sign when solving the inequality -3t + 7 ≥ 9. TRUE or FALSE? I'm not that great at knowing when to flip inequality signs... Can someone help me ASAP? Thank you for your assistance in advance. Nic

    asked on December 11, 2015
  47. English

    In his literary work, A Long Way Gone: Memoirs of a Boy Soldier, Ishamael Beah uses symbols to underscore his central theme of oppression and/or freedom. for this thesis statement, the three symbols I wana use are Cassettes, moon, and AK-47 gun. Are these

    asked on July 15, 2015
  48. algebra 2

    4p + 2q = 8 and q = 2p +1 solve by substitution

    asked on October 18, 2012
  49. physics 2

    An electric field of 264,000 N/C points due west at a certain spot. What are the magnitude and direction of the force that acts on a charge of -6.3 µC at this spot?

    asked on July 2, 2012
  50. physics

    A two staged rocket moves in space at a constant velocity of 4900m/s. The two stages are then separated by a small explosive charge between them. Immediately after the explosion the velocity of the 1200kg upper stage is 5700m/s in the same direction as

    asked on March 12, 2012
  51. physics

    Traveling at a speed of 18.5 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.690. What is the speed of the automobile after 1.41 s have elapsed?

    asked on March 11, 2012
  52. biostatistics

    8. The following data were collected in a clinical trial to compare a new drug to a placebo for its effectiveness in lowering total serum cholesterol. Generate a 95% confidence interval for the difference in mean total cholesterol levels between

    asked on November 26, 2011
  53. Punctuation

    Paloma did not make it to work for her car, broke down on the freeway. Is this better? The hardware store down the street, which had been paved recently, is open until midnight five days a week. Many students anticipate spring break but, Luis looks forward

    asked on May 11, 2011
  54. Organic Chemistry

    What is the lowest energy alternative resonance structure for this compound: CH3-CH-NN There is a negative charge on CH and a positive charge on the central N

    asked on January 21, 2010
  55. college

    The Joyner Corporation originally budgeted for $360,000 of fixed overhead. Production was budgeted to be 12,000 units. The standard hours for production were 5 hours per unit. The variable overhead rate was $3 per hour. Actual fixed overhead was $360,000

    asked on August 9, 2009
  56. chemistry

    A breathing mixture used by deep-sea divers contains helium, oxygen, and carbon dioxide. What is the partial pressure of oxygen at 101.4 kPa ifpHe = 82.5 kPa and pCO2 = 0.4 kPa

    asked on July 29, 2008
  57. Early Childhood Education

    Appropriate materials and equipment for outdoor play should contain which? 1. a lot of immovable parts 2. some loose parts 3. large,simple,steel units designed for a single purpose. 4. hard,strong surfaces for ground cover Shouldn't the materials and

    asked on April 2, 2007
  58. Grammar

    Is the sentence below correct? I would be grateful for any potential summer pharmacy internship opportunities that you are aware of.

    asked on March 28, 2019
  59. Math

    How many milligrams of sodium chloride are in 250 ml of 0.9% sodium chloride solution (w/v)? I got 2,270 grams.

    asked on October 28, 2018
  60. Math

    You fill four 1-ounce orders and three 2-ounce orders of triameinoclone 0.1% ointment from the new 1-lb jar on the shelf. How many grams are left in the jar? I got 154 g but the answer key states 168 g.

    asked on October 28, 2018
  61. physics

    Calculate the net force required to give a 3000 kg truck an acceleration of 2.5m per squared

    asked on October 15, 2018
  62. Math

    Shelby has a new prescription for an albuterol inhaler. The directions say to use 1-2 inhalations every 4-6 hours as needed. The inhaler you dispense says that it provides 200 doses. What is the minimum number of days the albuterol inhaler would last for

    asked on September 30, 2018
  63. Math

    If you dissolve 20 g of a drug in 250 ml of water, what is the percentage strength (w/w)? My answer: (20 g/250 ml) = (x/100 ml) x= 8%

    asked on September 30, 2018
  64. physics

    determine the velocity of a charge that push by the 16 volts source

    asked on January 17, 2017
  65. chemistry

    Liquid hexane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water . Suppose 43.9 g of hexane is mixed with 57. g of oxygen. Calculate the minimum mass of hexane that could be left over by the chemical reaction. Round your

    asked on March 7, 2015
  66. English

    1-2. My uncle decided to splurge and _____with a country club because golf is his favorite____.(affiliate,deficit) 3-4. Gail didn't ____from smoking cigarettes until her employer made not smoking ____.Keeping her job was a very good incentive to get her to

    asked on March 18, 2014
  67. Mathematics

    If a 75 kg person pedals a Monarch leg ergometer at 50 rpm, how much resistance is needed to work at a level of 11 METs?

    asked on October 6, 2013
  68. Math

    If a 60 kg man is riding a Monarch ergometer at 50 rpm and the resistance is 2.0 kg, what is the power output?

    asked on October 6, 2013
  69. Math

    If an individual wants a work of 1300 kg m/min with a cycling speed of 300 m/min, how much resistance is needed?

    asked on October 6, 2013
  70. Math

    Determine the MET level for each activity for a 70 kg person. a.) 18 steps/min, 25 cm/step b.) 6 mph, 12% grade c.) 750 kg m/m on a Monarch ergometer d.) Arm cranking at 350 kg m/min on a Monarch ergometer

    asked on October 6, 2013
  71. Math

    What is the MET level of a person that is running on a level treadmill at 6 mph?

    asked on October 6, 2013
  72. Math

    A patient must exercise a MET level of 8. What grade is needed if the speed is 3 mph?

    asked on October 6, 2013
  73. Science

    A mixture is prepared by adding 100 ml of 0.10M Na2CrO4 to of ).10 N AgNO3. A precipitate forms in this mixture. The precipitate is separated from the mixture by filtration. Question: What quantity of solid product is produced?

    asked on November 2, 2012
  74. math

    Morgan Company received from Lee Company an invoice dated September 27. Terms were 2-10 EOM. List price on the invoice was $5000.00(freight not included). Morgan receives a 9/7 chain discount. Freight charges are Morgans resposibility but Lee agreed to

    asked on October 22, 2012
  75. chemistry

    an ionic equation has 2H+(AQ)on the left side and H2(g) on the right. Are these species spectators? explain.

    asked on October 15, 2012
  76. physics

    An electric field of 264,000 N/C points due west at a certain spot. What are the magnitude and direction of the force that acts on a charge of -6.3 µC at this spot?

    asked on July 3, 2012
  77. physics

    Jahna and Raul move onto the setup for experiment 2. They have been asked to determine both the mass of the rod and the mass of the hanging object. They know the length of the rod, the position of the hanging mass, anf the positions and readings of the

    asked on April 16, 2012
  78. Physics

    The earth has a radius of 6.38 106 m and turns on its axis once every 23.9 h. A. What is the tangential speed (in m/s) of a person living in Ecuador, a country that lies on the equator? (b) At what latitude (i.e., the angle θ in the drawing) is the

    asked on March 30, 2012
  79. physics

    A block with a mass of 0.5kg is pushed against a horizontal spring of negligible mass and spring constant 450 N/m until the spring is compressed a distance x. When it is released, the block travels along a frictionless, horizontal surface to the bottom of

    asked on March 28, 2012
  80. physics

    A 1000kg car accelerates from rest to 30m/s over a distance of 20m. a) ignoring friction and air resistance, what is the power generated by the motor? b) if the friction and air resistance is 200N, what is the power generated by the motor?

    asked on March 28, 2012
  81. physics

    The (nonconservative) force propelling a 1.50 103-kg car up a mountain road does 5.10 106 J of work on the car. The car starts from rest at sea level and has a speed of 31.5 m/s at an altitude of 1.90 102 m above sea level. Obtain the work done on the car

    asked on March 14, 2012
  82. physics

    A baseball (m = 151 g) approaches a bat horizontally at a speed of 39.8 m/s (89 mi/h) and is hit straight back at a speed of 45.7 m/s (102 mi/h). If the ball is in contact with the bat for a time of 1.05 ms, what is the average force exerted on the ball by

    asked on March 12, 2012
  83. Physics

    A 1100-kg car is being driven up a 4.0° hill. The frictional force is directed opposite to the motion of the car and has a magnitude of f = 518 N. A force is applied to the car by the road and propels the car forward. In addition to these two forces, two

    asked on March 12, 2012
  84. Physics

    A husband and Wife take turns pulling their child in a wagon along a horizontal sidewalk. Each exerts a constant force and pulls the wagon through the same displacement. They do the same amount of work, but the husband's pulling force is directed 58

    asked on February 26, 2012
  85. physics

    A centrifuge is a device in which a small container of material is rotated at a high speed on a circular path. Such a device is used in medical laboratories, for instance, to cause the more dense red blood cells to settle through the less dense blood serum

    asked on February 22, 2012
  86. physics

    The lob in tennis is an effective tactic when your opponent is near the net. It consists of lofting the ball over his head, forcing him to move quickly away from the net (see the drawing). Suppose that you lob the ball with an initial speed of 16.0 m/s, at

    asked on February 8, 2012
  87. Physics

    Can you think of any ways to measure instantaneous speed directly?

    asked on January 29, 2012
  88. physics

    Two cars cover the same distance in a straight line. Car A covers the distance at a constant velocity. Car B starts from rest and maintains a constant acceleration. Both cars cover a distance of 487 m in 216 s. Assume that they are moving in the +x

    asked on January 20, 2012
  89. biostatistics

    A clinical trial is run to assess the effects of different forms of regular exercise on HDL levels in persons between the ages of 18 and 29. Participants in the study are randomly assigned to one of three exercise groups - Weight training, Aerobic exercise

    asked on November 26, 2011
  90. statistics

    Suppose that in the aerobic exercise group we also measured the number of hours of aerobic exercise per week and the mean is 5.2 hours with a standard deviation of 2.1 hours. The sample correlation is -0.42. a)Is there evidence of a significant correlation

    asked on November 26, 2011
  91. biostatistics

    7. Consider again the data in problem #6. Suppose that in the aerobic exercise group we also measured the number of hours of aerobic exercise per week and the mean is 5.2 hours with a standard deviation of 2.1 hours. The sample correlation is -0.42. a)Is

    asked on November 26, 2011
  92. biostatistics

    A studyis run to estimate the mean total cholesterol level in children 2 to 6 years of age. A sample of 9 participants is selected and their total cholesterol levels are measured as follows: 185 225 240 196 175 180 194 147 223 Generate a 95% confidence

    asked on November 7, 2011

    a. Calculate the delta H, delta G, and equilibrium constant for the reaction of methane with Cl2 to give CH3Cl and HCl. Use the following information for your calculations: Bond Dissociation Energies: CH3-H (104.8kcal/mol), Cl-Cl(59.0 kcal/mol),

    asked on October 30, 2011
  94. math

    Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. -15r + 12s = 24 30r – 24s = 48

    asked on June 21, 2011
  95. Punctuation

    Is this correct? Even though it is almost summer, we still have overcast skies and light rain. The neighbors’ new dog is, small, quiet and shy. The oil from Eucalyptus trees, which are native to Australia, is known for its medicinal properties. Paloma

    asked on May 11, 2011
  96. geograohy

    state if each sentences is climate or weather the is so hot but last night was cool

    asked on February 15, 2011
  97. Project Management

    Search the web for project planning tools and describe at least 2. download a demo to two, and build a project so you can see the different PM charts(Grantt,CPM, Pert, etc.). Comment on the ease in in which you were able to build each of the charts. Which

    asked on February 15, 2011
  98. Chemistry Lab

    Which of the following would NOT be a factor for a solute to dissolve in water? A. A solute separates into ions which are supported by hydration. B. Electrostatic attraction between the partially charged atoms in water molecules and the solute. C. A solute

    asked on January 12, 2011
  99. Chemistry Lab

    Which of the following would NOT be a factor for a solute to dissolve in water? A. A solute separates into ions which are supported by hydration. B. Electrostatic attraction between the partially charged atoms in water molecules and the solute. C. A solute

    asked on January 12, 2011
  100. english

    how do a write a paragraph on how i plan to obtain my goal as a Doctor?

    asked on November 30, 2010


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