# Questions Asked onNovember 11, 2007

1. ## COLLEGE PHYSICS

a uniform bridge span weighs 50x10^3 and is 40m long. A car weighing 15X10^3 is parked with its center of gravity located 12m from the right pier. what upward support force does the left pier provide? im lost....this is what i think im supposed to do

2. ## Calculus

Evaluate the limit as h -> 0 of: [tan (pi/6 + h) - tan(pi/6)]/h I thought the answer was √3/3, or tan(pi/6, but apparently that is wrong, any tips here?

3. ## physics

The flow rate of a liquid through a 2.0cm radius pipe is 0.0080 m^3/s. the average fluid in the pipe is? i know that Av=volume flow rate for this problem the flow rate is 0.008m^3/s. Do i divide by the radius^2 to get velocity or is there someother

4. ## Physics

A 100N uniform ladder, 8.0m long, rests against a smooth vertical wall. the coefficient of static friction between ladder and the floor is 0.40. What minimum angle can the ladder make with the floor before it slips? im thinking 100*0.40=40 degrees? can

5. ## Antigone

compare and contrast the characters of Antigone and Ismene in 3 ways or describe antigone's choice(killing herself), does it portray tragic pride or demonstrate a heroic dedication to virtue?? i think i have a few answers but not enough to write my paper

6. ## Bio

16. Name some biological processes that are affected by temperature. Cellular Respiration Homeostasis Enzyme Activity Heart Rate Can anyone please suggest more?

7. ## maximizing profit calculus

During the summer months Terry makes and sells necklaces on the beach. Last summer he sold the necklaces for \$10 each and his sales averaged 20 per day. When he increased the price by \$1, he found that he lost two sales per day. a. Find the demand

8. ## Calc

A rotating beacon is located 1 kilometer off a straight shoreline. If the beacon rotates at a rate of 3 revolutions per minute, how fast (in kilometers per hour) does the beam of light appear to be moving to a viewer who is 1/2 kilometer down the

9. ## Physics

A copper wire with a length 2.0m, cross sectional area 7.1x10^-6 m^2 and young's modulus 11x10^10 N/m^2 has a 200kg load hung on it. What is its increase the length? (g=9.8 m/s^2) im not sure how to start this problem or what equation to use, can some one

10. ## AP Biology

I'm doing an AP Lab on Cellular Respiration that is Ward's AP Biology Lab 5 with the germinating and non-germinating peas. One question asks what is the purpose of KOH in this experiment? I wrote Potassium Hydroxide is used to remove the CO2 produced

11. ## Calculus

Use a symbolic differentiation utility to find the derivative of the function g(x)=xã((x^2)+1). Use the utility to graph the function and is derivative on the same set of coordinate axes. Describe the behavior of the function that corresponds to any

The manager of a 100-unit apartment complex knows from experience that all units will be occupied if the rent is \$400 per month. A market survey suggests that, on the average, one additional unit will remain vacant for each \$5 increase in rent. What rent

13. ## English - Riddle

The solution to the riddle below is a rhyme made up of one possessive noun and one plural noun "the desires of a sea animal"

15. ## math

Find the lateral and surface area of the right rectangluar prism whose length is 7 cm, width is 5 cm and height is 1.5 cm. I did 2(7 x 1.5+ 1.5 x 5) and I got 36 as my lateral area. Then I add 36+ 2(7 x5) and I got 106 as my surface area. Is this right?

16. ## Math

Football Lesson 5.1 1. y= -0.035x^2 + 1.4x + 1, where x is the distance (in yards) and y is the height (in yards) a. Does the graph open up or down? b. Does the graph have a Maximum value or a minimum value? c. graph the quadratic function. (i'll graph it

17. ## physic

1)a pitched ball is hit by a batter at a 45 degree angle and just clears the outfield fence,98m away. assume that the fence is at the same height as the pitch and find the velocity of the ball when it left the bat. 2)an arrow is shot at 30.0 degree above

18. ## Physics

This is a The Russell traction apparatus problem and I solved the weight to be 76N. The second part of the problem asks what the angle is if the traction force is 19.4N horizontally. My initial thought was to use half of the weight as the y-comp and 19.4

19. ## English

please check my answer thanks :) What is this sentence missing and where ? One day my dad and his brother stop me if you've heard this story started on what they thought would be an uneventful drive to work. I thinks it's missing commas

20. ## math

Find the lateral area of a regular pyramid whose base is a square, whose slant height is 5 m, whose height is 3 m. I think that the answer is 60. I subtracted 3 squared from 5 squared and I got 4. I multipled 4 by 2 and I got 8. I made a formula 3(1/2(8 x

21. ## Math (algerbra)

Mary Thon starts at a point of 26 miles FROM school and runs TOWARD the school at a rate of 6 Miles per hour. (mph) Randy Miles starts FROM school 1.3 hours later and runs TOWARD MARY at a rate of 8 mph. x= number of hours that mary has been running

22. ## math (algerbra)

A bricklayer's assistant starts building a wall, laying 50 bricks per hour. Two hours later the master comes and lays down 80 bricks per hour. x= number of hours since the assistant has been laying. Qusestion-------- Write expressions for the number of

23. ## Chemistry - DrBob222

Alright, I've made a list of reactions that would produce precipatations. NaCl + Zn CaCl2 + NaOH CaCl2 + Zn CaCl2 + Na2SO4 CuSO4 + NaOH CuSO4 + Zn NaOH + AgNO3 NaOH + Zn BaOH2 + AgNO3 BaOH2 + Zn BaOH2 + Na2SO4 So this way I can figure if it is NaCl, CaCl2,

24. ## SCIENCE

For my science project i have to choose a sport and list five carefully thoughtout ways that Newton's three Laws of Motion are involed in the game i selected. The sport i have selected is tennis. i have 3 ways already but i am missing 2 more. Here are the

25. ## science

I am learning about different blood types and antigens associate with them. I am wondering--- why does the body reject blood types that contain foreign antigens? My teacher told me that there was a type of cells that are used in this response. I am not

26. ## Chemistry

I posted before about designing a procedure to determine two unknowns (1 solid, 1 solution). The possible solutions were: NaCl, CaCl2, CuSO4, NaOH,Ba(OH)2, HCl, HNO3, or H2O. The reagents given are: NaOH, HCl, AgNO3, Zn metal, Na2SO4, and H2O. The

27. ## Physics

Im doing a problem on The Russell traction apparatus and I solved the weight to be 76N. The second part of the problem asks what the angle is if the traction force is 19.4N horizontally. My initial thought was to use half of the weight as the y-comp and

28. ## math

Find the lateral and surface area of the right rectangular prism whose length is 7 cm, width is 5 cm, and height is 1.5 cm. I got 36 as my lateral area and 106 as my surface area. Is this right?

29. ## H.S. econ

My daughter is a sophomore in high school taking an econ class. Unfortunately, the teacher has chosen not to use the assigned text book, and uses other material for his tests. Therefore, I can't help her study the text. These questions were part of the

30. ## Math (algerbra)

clay potts owns a pottery store. his brother jack works there for \$50 dollars there and then gets .1 percent of the daily profits. clay gets the rest of the profits. Question------------------------------- A) What number of dollar PROFIT must the store

31. ## math

Find the lateral and surface area of the regular square pyramid. Give exact answers. I don't understand this. I need help.

32. ## COM 125

What is the difference between a hard copy resume and an online distribution?

33. ## Calculus

A rotating beacon is located 1 kilometer off a straight shoreline. If the beacon rotates at a rate of 3 revolutions per minute, how fast (in kilometers per hour) does the beam of light appear to be moving to a viewer who is 1/2 kilometer down the

34. ## Gr. 12 Math - Trigonometry 3D

From the top of a 1900 m mountain, the angle of depression to a cathedral that is due east of the mountain is 38 degrees. The angle of depression to a bridge due north of the mountain is 42 degrees. Find the straight-line distance from the cathedral to the

35. ## science

I am learning about different blood types and antigens associate with them. I am wondering--- why does the body reject blood types that contain foreign antigens? My teacher told me that there was a type of cells that are used in this response. I am not

36. ## AP Biology

During aerobic respiration, glucose is broken down to form several end products. Which end products contain the carbon atoms from glucose? The hydrogen atoms from glucose? The oxygen atoms from glucose? The energy stored in the glucose molecules?

37. ## English

Plagiarism is borrowing wrring from other people or literary theft. I said literay theft. Please check my answer tanks :)

38. ## Physics

I need help with question one and I need question three to be checked please? 1.How does the mass of a nucleon compare with the mass of an electron? 3.Why do protons in a very large nucleus have a greater chance of flying apart by electrical repulsion? -I

39. ## English

In general on what stage of the writing process should you spend most of your time ?

40. ## math

Find the surface area of the right triangular prism. Round to the nearest tenth if necessary. The height is 2.5 cm, the length is 8 cm, and the width is 5.3 cm. I need help.

41. ## physics

A distance of 1 meter separates two negative electric charges of 1-coulomb each. With what force (in Newtons) do they repel each other. The coulomb constant is 9x10^9 Nm^2/C^2 would this be 1 N???

42. ## Chemistry

I have to do lab experiment where I design a procedure to determine the identity of two unknowns given to me. One will be a solid and one will be a solution. I also have to quantify the amount of solute in the solution. The possible solids it could be are

43. ## science

ok this is a word search! study of ancient artifacts- study of animals_ study of prehistoric fossils- study of chemical matter- study of the laws of motion and matter- study of life sciences-

44. ## Math

My watch is 1 second fast each hour, and my friend's is 1.5 seconds slow each hour. Right now they show the same time. When will they show the same time again? !!!!!!!!I NEED THIS BY TOMORROW!!!!!!!! HELP

45. ## physics

The gravitational force between two electrons that are 0.98 m apart is 5.64 10-71 N. Find the mass of an electron. (Use G = 6.67 10-11 N·m2/kg2.) Do you use F=G(m1*m2)/r^2???

46. ## History

What was the major social issue back in the 1960s? Was it the rebellion against government - the hippie movement? Am I right or not? And if I'm not, then what was the major social issue in the 1960s? Please don't direct me to any websites, I'd like a

47. ## Law and Ehtics in Medicine

Please cheeck my answer thanks :) Dr. Smith is sued for malpractice. When called to give testimony at trial, he will be allowed to testify about the patient's care. I think that's True The other choices were... be barred for revealing medical information

48. ## math

Find the lateral and surface area of the right rectangular prism whose length is 7 cm, width is 5 cm, and height is 1.5 cm. I got 36 as my lateral area and 106 as my surface area. Is this right?

49. ## English

Please check my answer Is this phrase correctly capitalized ? Martin Luther King day I said yes

50. ## chemistry

Consider the following kinetic parameter for a given enzyme: Km=4.7x10-5 M Vmax= 22 nmol/min/mg [i]=5x10-1 mM [s]=2x10-4 M Ki=3x10-4 M Calculate the rate of product formation in the presence of a competitive inhibitor. I know that I have to solve for Vo. I

51. ## English

Please check my answer thanks:) You've been assigned to invite a group of mechanical engineering professor to tour your factory. What type of language should you use in the invitation? Formal language or Direct simple languge I picked direct and simple

52. ## question for Dr.Bob22

The mole fraction of acetic acid (CH3COOH) in an aqueous solution is 0.675. Calculate the molarity of the acetic acid, if the density of the solution is 1.0266 g mL-1. To give a different take on this, here is another way of approaching the problem. I

53. ## maths

what is the missing part of this 7/12=49/? 36/24=?/16 6/?=18/39 next part: convert the mixed numbers to improper (topheavy) fractions: 2&3/5 3&4/7 8&1/2 convert the improper fractins to mixed numbers: 17/6 25/8 22/4 this is onli a small part of my home

54. ## math

Find the lateral area of a regular pyramid whose base is a square whose slant height is 5 m, and whose height is 3 m. I don't understand this. I need help.

55. ## Enghish

Please check my answer thanks :) In the sentence "Although the book was more than 50 years old, it still contained helpful information", the word although is what. I said it's adjective

56. ## Calculus

24. A pharmaceutical company has determined that a realistic model for the relationship between blood pressure (systolic) and the amount of a nerve drug designed to reduce the systolic pressure is given by the equation P=Pi + 2x - x^2. P is measured in

57. ## physics

Explain how voltage current and resistance could interact to give a person a severe electrical shock if he or she touched an electrical wire in the wrong way.

58. ## Ethics

Managed care organizations emphasize drug treatment over counseling for children with behavior problems because it's cheaper I said True Is that right the other choice it's proven more effective -psychologists recommend it

59. ## English

Which of the following titiles is correctly punctuated? I am not sure please help thanks :) Poem: 'Nostalgia', by Billy Collins Ship: "Queen Mary" Article: " What Chat Transcripts Reval" by Carol Tenopir Story: The telltale Heart, by Edgar Allan Poe. I

60. ## English

Please check my answer thanks :) His mother is a Doctor. Is this sentence correctly capitalized. I said yes

61. ## SCI 275

CLASS - Please see the attached figure. How do the three factors shown in the figure interact to promote sustainable development? [img src="@7140725"] this is the figure.

62. ## math

How do you simplify 765 over 2023?

63. ## English

Please check my answer thanks:) This is an example of paraphasing Sue studied Dr Jone's article and restated it in her own words. I said yes

64. ## computers

What is the main disadvantage of relying on spell check on your computer?

65. ## College Physics

a 15000N car on a hydrolyic lift rests on a cylinder with a piston of radius 0.20M,. if a connecting cylinder with a piston of 0.04M radius is driven by compressed air, what force must be applied to the smaller piston in order to lift the car? am i doing

66. ## Calculus

Find the equation of the tangent line and the normal line to the graph of the equation at the indicated point. x^2-y^2=16, (5,3) I need to show work, so answers formatted in this manner would be most appreciated. Thanks! :) :)

67. ## Law and Ethics

Breach of confidentiality could have which consequence ? Ethical or legal Legal only Ethical only Licensure revocation I think you could have ethical and legal consequences am I right ?

68. ## Law and Ethics

Please exlpian what The Patient Self Determination Act is thanks :)

69. ## math

Find the surface area of the right prism. The height is 2.5 cm, the lenght is 8 cm, and the width is 5.3 cm. This is confusing. I need help.

70. ## chem repost!

when drawing molecular shapes, how do you decide which atoms go on axial or equtorial? (the more electronegative goes on _____) please help, my textbook confuses me with exmaples that follow both sides!

71. ## Law and Ethics in Med

What is an anencephalic child mean ? Could someone please explian this thanks:)

72. ## Law and Ehtics in Med

Please check my answer thanks :) Which of the following is most pertinent in a legal or courtroom context? 1. Confidentiallity 2. Etiquette 3. Pt's expectaion of privacy 4. Privileged communication I picked 4

are there any web sites anyone knows of with chapter summaries of the book the uses of enchantment by heidi julavits

74. ## Algebra II

The graph of a line through (2,3) that is perpendicular to the line with equation x = -1 also goes through which point? How to work this???? Thanks.

ok.. i have to do this compare and contrast essay on the outsiders...but i want to know what the introduction should include to make it good.... please i really need help :(

76. ## SCIENCE

wat are 2 ways newtons 3 laws of motion apply in volleyball!!! please help i looked everywhere!!! please I NEED THIS BY TOMORROW!!!!!!! thank you

77. ## math

how do you factor -x^2-7x+10? thanks much

78. ## English

please check my answer thanks :) In addition to the information you include in a document, the_________ of your writing sends a message to the reader tone method length phase I picked tone

79. ## English

Please check my answer thsnks :) When preparing a formal business presentaion, the phase that can make or break your report is the _________ phase. 1 2 revision outline 3 4 organization writing I picked 3

80. ## chemistry

A solution contains 4.44% by mass of NaI in water. Calculate the molarity of the NaI, if the density of the solution is 1.2711 g mL-1. i got the answer to be 8.48 M... the percent mass is irrelevant information, right? i figured out the answer just by the

81. ## physics

Is a current carrying wire electrically charged? Explain.

82. ## phsycis

Why do two objects of different mass and dropped from the same height hit the ground at the same time?

83. ## Law and Ethics in Med

PLease check my answer thanks :) Roe V Wade is based on what the fetus's right to be born after the dirst trimester

84. ## Physics

A building has a symmetric roof made from two straight sections at an angle of 20‹ above the horizontal. The sides are uniform and have a mass of m = 1800 kg. Find the magnitude of the horizontal force that this roof exerts at the top of the wall,

85. ## algebra

Simplify by expanding the following expression 9 - 6p ------- + 4 3 is the answer, 3 - 2p ------ + 4 3 If not were am I going wrong please Thanks !!!

86. ## Law

what does privileged communication mean ?

87. ## Enlglish

please check my answer thanks :) Which sentence is the hypen used correctly? 1. Molly- my beagle- loves to fun in the field. 2. She wore her hair in a closely-cropped style. 3. Jan's house was painted light-blue 4. We stayed at a first- class hotel. I

88. ## biology

can someone explain oogenesis and how this leads up to meiosis...i'm really confused

89. ## Health info

If HIPPAA rules are stricter than state law, which standard should you follow and why? Or what if the state law is stricter?

90. ## English

Please check my answer thanks :) In which sentence could you best use a semicolon? 1. If you ask me Jerry is a tennis whiz. 2. Lucy bought a new tennis racket and brought it home. 3. Sue loves tennis she plays everyday 4. When she is worried Mary eats a

91. ## science I

consider two bodies A and B of equal masses.Suppose thatthe body A is on the ground and the body Bis ata height h above the ground.What can you say about the difference in the gravitational potential energies of the two bodies? please explain

92. ## Math

Hello, I'm trying to find the following sequence that relates to the number of ways that paving stones can be laid to make a 3-foot-wide path using 3-foot by 1-foot stones. This is a very complex problem, and I'd appreciate a little help to start me off in

93. ## Physics

We're studying projectile motion in my Physics class right now, and last week we went outside and hit tennis balls with a bat. Now we must make graphs showing the position of the ball in both the x and y directions. I must also explain why each line has

94. ## math

Find the lateral and surface area of the regular square pyramid. Give exact answers. The length is 6 m and the height is 5 m. I need help.

95. ## math - algebra

Please help with this question: Rewrite the middle term as the sum of two terms and then factor completely. 10x2 + 19x + 6 it is for a test...thanks

96. ## American History

Hi, I need help on answering this question: To what extent did foreign affairs shape American domestic politics in the 1790s? -- I know about the competing visions between Hamilton and Jefferson as well as the British and the French... But i'm lost. i

97. ## Law and Ethics

please check my answer thanks :) If a child is at risk for abuse or neglect the state will use Res ipsa loquitor. I said yes

98. ## HUM 130

List at least two effects that organized religion has had on society and give examples from past and/or present world events that illustrate your examples.

99. ## Chemistry

What property of liquids and solids is crucial in chromatography?

100. ## math

a metre length of cable is cut into 3 strips and the first strip is 3.42 and the second strip was 0.75 how long would the 3rd strip be ?

101. ## Health info

What does res ipsa loquitur and what does it do?

102. ## Health,Law

Judge Jones is hearing a motion to order relase of substance abuse records pursunat to a subpoena. The hearing... 1. must be in open court because the records were subpoenaed. 2. may be opened in court to the discretion of the judge. 3. must be heard in

103. ## English

Please check my answer THe cat licked it's paws while the dog watched. Does this sentence show the apostrophe used crrectly ? I said yes

104. ## science

can anybody give me an explanation of the kinetic theory. My science is due on friday 16th november. please help!

105. ## english

i need help with a thesis statement by a careful study of the work, the author, and of the time period in which the work was written, show how, in terms of genre, style, and vision, the writer holds up a mirror to his or her age.

106. ## science

I've got two questions which I do not understand... a)In the early 1920's, shortly after world war I, smoking became fashionable for men. Why did lung cancer rates not increase until the 1950's? &... b)Suggest a reason why no comparable increase in lung

107. ## Science

Hi What Alkalis In The House ??? Ect. Gavasoon

108. ## homework help

3x- 5y/(7 ) = 10 2x/3 - 9y/7 = 19/5

109. ## Law

Could someone please explian the subject matter jurisdiction of federal courts ?

110. ## math - algebra

how do i divide: x^3+2x^2+x+12 divided by x+3 can someone help>

111. ## HIPPA Law

At what point during the course of treatment of a new pt should the notice and disclosure of health info ,required under HIPPA be given and why ? Please check my answer. I think that it should happen before treatment begins. does anyone else agree or have

112. ## English

PLease check my answer thanks :) One purpose of a summary is to include your own opinion on the topic or to save the reader time I picked#1

113. ## Math

Help would be greatly appreciated! I am so confused as to how I should attack this problem.... Find the Derivative. f(x) = e^(2x) (x^2 + 5x)

114. ## science

cam anybody give me an explanation of the kinetic theory. My science is due on friday 16th november. please help!

115. ## Chemistry

why do crystals from in solutions once removed from the heat e.g. copper sulphate solution or a alum solution

116. ## English

Please check my answer thanks :) Sue's dog had flees. This sentence is a homonym used correctly True False. I said True

117. ## math

Find the lateral area of a regular pyrmid whose base is a sqauare, whose slant height is 5 m, and whose height is 3 m. I need help.

118. ## physics

please help If a 120 volt line to a socket is limited to 15 amperes by a fuse, will it operate a 1200 watt hair dryer? yes????

119. ## Ehics in Med

Could some one please tell me what the Kennedy- Kassenbaum bill of 1996 is

120. ## Law

If a emploee is deaf and they can read lips what does the emplyer has to do to coply with the Americians with Disabilites Act. I am not sure on this one. I think that they would have to make sure that the worker that is deaf is able to read your lips when

121. ## Physics

The gravitational force between two electrons that are 0.98 m apart is 5.64 10-71 N. Find the mass of an electron. (Use G = 6.67 10-11 N·m2/kg2.) Do you use F=G(m1*m2)/r^2???

122. ## Science

hi any ideas or any links? Describe an example of how natural selection impacted the evolution of a particular species

123. ## Health

Could someone please exlpain what is contributory negligence and comparative negligence mean. (compare and contrast)

124. ## Hydrology

assuming a peak flow velocity of 3 m/s determine culvert diameter if peak flow rate will 9790 cubic metres per second

125. ## Law and Ethics in Med

What does it mean if artificial insemination is homologous ?

126. ## chemistry

do the resonance structures only apply for oxygen and double bonds?

127. ## ethics

Identify the linguistic, Political, Social, Econimic, Religious, And Familial Conventions And/or Statuses Of Hispanics.

128. ## Law and Ethics

The number and kind of diagnostic test allowed for a conition is determined by 1. doctors only 2. government rerulations only 3. insurance only 4.all of the above meaing doctors insurance and government I said for is that right

129. ## Law

Which is a hasher sentence a felony or a misdemeanor

130. ## math - algebra

x^3+2x^2+x+12 divided by x+3 i cannot figure this out can anyone help?

131. ## chemistry

when drawing molecular shapes, how do you decide which atoms go on axial or equtorial? (the more electronegative goes on _____)

132. ## math - algebra

find the values of each of the following polynomials for the given values of the variable. for x=-3 and for x=-2 -x^2-5x-6 how do i do the above i am not sure but have an idea can someone help?

133. ## English

Please check my answer thanks :) In research , you must document the source of all specific information unless it's common knowledge. I said True

134. ## English

What is a homonym ? Please explian thanks :)

135. ## dt

properties of the conker shell

136. ## principles of microeconomics

show how a total product curve for an input can be derived from an isoquant map.

137. ## Law and Ehtics in Medicine

Could someone please explian what is paternalism prevailing over autonomy mean ? thanks:)

138. ## Econ

How do you find the equilibrium level of income?