# Questions Asked onNovember 3, 2008

1. ## physics

When jumping straight down, you can be seriously injured if you land stiff-legged. One way to avoid injury is to bend your knees upon landing to reduce the force of the impact. A 75 kg man just before contact with the ground has a speed of 4.6 m/s. (a) In

2. ## physics

A 2 gram bullet traveling at 1500 m/s [East] hits a 200 g block of wood at rest, and becomes embedded in it. If the block is suspended by long ropes, how high will it travel before it comes to rest?

3. ## Physics

An upright spring which is normally 3 m is compressed 2.3 m and a 2 kg block is placed on it. When it is 5 meters above the ground it is going 10 m/s. What is the spring constant of the spring? How high will the block travel?

4. ## Math

what is the domain of :the cubed root of (1-x)-1?

5. ## French

Can someone check this for me? I wrote it a while ago and it's due soon. There were certain vocab words that had to be in it and I couldn't find a way to stick some of them in there so can someone help me find ways to incorporate them? They are depuis,

6. ## science

the velocity of a particle is given by v=[16t^2i+4t^3j +(5t+2)k]m/s, where t is in seconds. If the particle is at the origin when t=0, determine the magnitude of the particle's acceleration when t=2s. What is the x,y,z coordinate position of the particle

7. ## science

a go-cart moves along a circular track of radius 100ft such that its speed for a short period of time , 0 is less than t which is less than 4s, is v=60(1-e^t^2)ft/s. Determine the magnitude of its acceleration when t=2s? How do you figure this out while

8. ## science

a truck travels along the horizontal circular curve of radius r=60m with a constant speed v=20m/s. Determine the angular rate of rotation theta of the radial line r and the magnitude of the truck's acceleration.

9. ## Pharmacy Math

The dose of gentamicin sulfate is 1.7mg/kg. How many mls of an injectable solution containing 40mg/ml should be administered to a person weighing 220 pounds? Any help is appreciated.

10. ## 6th grade

how many fifths are in 1 3/5

11. ## calculus

find the points on the curve y=2x^3+3x^2-12x+1 where tangent is horizontal.

12. ## critical thinking

its the article about Controlling irrational fears after 9/11 I need to know about the arguments and premises and conclusions

13. ## Inertia

A thin, uniform rod is bent into a square of side length a. If the total mass is M , find the moment of inertia about an axis through the center and perpendicular to the plane of the square. Use the parallel-axis theorem. Express your answer in terms of

14. ## critical think

Choose two topics from the Opposing Viewpoints Resource Center that interest you and locate a set of materials from the database for each topic. If you choose school violence as one of your topics, for example, you might find a magazine article that argues

15. ## U.S. history

What were the requirements and benifits from being a robber baron in the 1800's?

16. ## calculus

Show that the curve given below has no tangent line with slope m1, where: y = 4 x^3 + 8 x - 6 m1 = 7

17. ## Science

The standard solution of FeSCN2+ (prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN) has an absorbance of 0.550. If a trial's absorbance is measured to be 0.350 and its initial concentration of SCN– was 0.0010 M, the

18. ## English

1. Drivers sometimes can't see you. 1-2. Drivers can't sometimes see you. 1-3. Sometimes drivers can't see you. 1-4. Drivers can't see you sometimes. (Are all grammatical?) 2.You can get a shock. (What is the meaning of 'get' here?) 3. Mrs. Johnson gave

19. ## college chemistry

The enthalpy of combustion of benzoic acid,C6H5COOH, which is often used to calibrate calorimeters, is -3227kJ/mol. When 1.236g of benzoic acid was burned in a calorimeter, the tempurature increased by 2.345K. What is the specific heat of the calorimeter?

20. ## chem

why would it be dangerous to heat a liquid in a distillation apparatus that had no vent or opening to the laboratory? - is this because the liquid will create vapor pressure and could cause a serious injury to a student?

21. ## Math: Direct Variation

what are the formulas that illustrates direct blinear variation ?? please help me !! i can't find any formula !! .. humpf .. :(

22. ## algebra

need help simplifying 2x+3y+2(x-y)-3x is there anyone that can help

asked by karen - again
23. ## chem

A student carried out a simple distillastion on a compound known to boil at 124 C and reported an observed boiling point of 116-117 C. Gas chromatographic analysis of the product showed that the compound was pure, and a calibration of the thermometer

24. ## math

if a grocery store buys 30 gallons of milk at a cost of \$1.58 per gallon, he anticipates a 15% spoilage rate , to achieve a 20% markup based on selling price what should it be I say \$ 2.19 per gallon

25. ## Physics

display.cgi?id=1225682948 I'm still confused about how you got the (1/8)kx^2 and how to find the weight's maximum height at the top of its path through the air.

Sue and Tom Wright are assistant professors at the local university. They each take home about \$40,000 per year after taxes. Sue is 37 years of age, and Tom is 35. Their two children, Mike and Karen, are 13 and 11. Were either one to die, they estimate

27. ## health records

I am doing a paper on communication for health records and have done the email, fax, but what else is ther I can add to this. Pro’s and con to communication methods for health records

28. ## Physics

A bowling ball encounters a 0.76 m vertical rise on the way back to the ball rack, as the drawing illustrates. Ignore frictional losses and assume that the mass of the ball is distributed uniformly. If the translational speed of the ball is 5.40 m/s at the

29. ## chemistry

if 24.25 mL of a standard M NaOH solution is required to neutralize 26.00 mL of H2SO4, what is the molarity of the acid solution?

30. ## English

I'm writing a paper in microsoft word, but I am having problem with the spacing of my paragraphs. I want the paper to be double space, but the paragraphs seems to be more than double space. Is there a way to change this?

31. ## healthcare

I need some help with my final project. I have to develop a unique proposal that describes a new health care system. Consider the current U.S. health care system's strengths, weakness, and challenges. Also, o What is your vision for the new health care

asked by Nikia Walker
32. ## Health

At allendale psychiatric hospital, the hospital census on january 4 is 110. according to the following data, whats the hospital census for january 5? admissions - 10 discharges - 2 a & d - 1 A. 99 B. 100 C. 108 D. 118 i am thinking that the answer is C but

33. ## repost

computer store sold total of 300 items last month the store sol six times as many hard drives as they did CD-Rom drives and half as many floppy drives, based on this info how many of each item were sold ?

34. ## college chemistry

The chemical reaction representing production of water gas is as follows: C(s)+H2O(l)=CO(g)+H2(g) calculate the enthalpy change in the production of 200L(at 500mmHg and 65degree celcius) of hydrogen by this reaction.

35. ## rpost

Laura is selfemployed and expects to make \$96,000 her social security tax is 12.4% up to the wage base, medicare is 2.9% and her estimated federal tax rate is 25% what is Lauras expected tax payment for the fourth quarter. would it be \$9,672.00

36. ## Health

What is the correct denominator for calculating the cesarean section rate? A. The total number of discharges B. the total number of deaths for the period C. total number of deliveries for the period D. total surgeries number? I was thinking that the answer

37. ## Health

Blood typing is based on ______ on the surface of the red blood cells. A. antigens B. protein C. antibodies D. a Rubella titer i am thinking B again im not 100% just wanted to see if i was correct. please help

38. ## math

sam and sylvia work at a book store , duing a sale sam sold 15% more books than sylvia If sam sold 69 books how many did sylvia sell is it 54 books

39. ## math

multiply the fraction 9/15 by 30/72 is this correct 27/108

specimen of informative messages issued by jet airways

41. ## math

if a business carries fire insurance with two companies a \$90,000 with allstate and \$150,00 with travelers calculate allstates percent would it be 60%

42. ## Inertia

A thin, uniform rod is bent into a square of side length a. If the total mass is M , find the moment of inertia about an axis through the center and perpendicular to the plane of the square. Use the parallel-axis theorem. Express your answer in terms of

43. ## Physical Science

How much current flows in a 12-watt radio connected to a 120-Volt circuit?

44. ## math

how to find the length, height and depth of box sides when you know the cubic volume is 216?

45. ## language arts

can you please help me unscramble these words. nnreital cicnoflt reexatln ciclontf yucataid enruta

46. ## math

need help with v-4(4-v)=-22(2v-1)

47. ## HS Calculus

Have some more that I do not understand. Limit theta approaching zero SinTheta minus Tan theta/ sin cubed theta

48. ## Math

how do you solve an equation with letters on both sides example y+1/2=-1/3(x+1/2)

49. ## Physics SHM

Whether or not it'll help me, am i safe to deduce that: If a simple pendulum is released from rest at time t=0; from a displacement of x rad from equilibrium; Then the amplitude of the oscilation is also x rad? Thanks

50. ## HS Calculus

1) Limit theta approaching zero sin squared theta/ tan theta 2) Lim x appraoches zero x + sin x/x x + sin x/x = x/x + sinx/x 0 + 1 =1 My answer : 1 Is this correct

51. ## physics oscillator energy

a block of wood of mass 0.25kg is attached to one end of a spirnf og constant stiffness 100N/m. The block can oscillate horizontally on a frictionless surface, the other end of the spring being fixed. a) calculate the maximum elastic potential energy of

52. ## Math

Need help in solving 0.5b+3.4=0.2b+12.4

53. ## algebra

how would you factor 25z^2 + 16

54. ## college algebra

(x-3)^2+(y-2.5)^2=7.25 Make a new equation that shifts up 1 unit and to the right 2 units. I got (x-5)^2+(y-1.5)^2=7.25, but I got it wrong on my test. Could you please tell me where I might have gone wrong? Thank you!

55. ## history

I have to find out as much as I can about the Chartists. Please could you recommend some good sites or info. thanks pete

Describe two criteria used to assess a market's potential for a new product. Based on these criteria, what are the steps the managers of a global company will nedd to take in order to decide whether a foreign market is viable market in which to introduce a

57. ## math

I have a revolving credit account that uses the aerage daily balance to calculate finance charges. during april 2007 ( amonth with 30 days) I had an unpaid balance of \$445.12 for 18 days and a unpaid balance of \$221.38 for 12 days . How do you calculate

58. ## English composition

This is my digital camera. I will explain this digiatal camera. Push the power button on the right on the top. Then you can use this one. When you push the power button, you can have the picture mode. Press the button on the far right on the top. Then you

59. ## Calculus

Can someone explain the method of implicit differentiation to me. I know that we differentiation both sides of the equation with respect to x (I don't understand what they mean by with respect to x). And then y is a function of x...I don't understand what

60. ## Math

There were 60 students who tried out for the school play. Only 0.7 of the students were selected to be in the play. What fraction of the students were not selected to be in the play?

61. ## math

112 1/2% of .64 =

62. ## Math

simplify: x^2/x^2+1

63. ## health project

i am supposed to write about philosophy of health and it due tomorrow. can anyone give me ideas how i should start....plz... i know what to wrote in there but i just don't know how to start..... thanks!

64. ## Humanities

Postman creates a taxonomy: tool-using cultures, technocracy and technopoly. Do you think these are reasonable ways to divide cultures? If so, which one of the three best describes our society? Explain why. *Is there any good website i culd use to explain

65. ## Humanities

McLuhan argues that we are now in an electronic age and have “re-tribalized.” Is this true? Use some examples to support whether or not we have entered a “re-tribalized” age? wat does it mean by re-tribalized??

66. ## Issues

I need help finding some major issues in new jersey! please help!

67. ## math

what are the modifications and x intercepts of the cubed root of (1-x)-1?

68. ## ethic&belief?

is ethic and belief related or does does it have a vast difference?

69. ## Interview

i have an interview tomorrow about the public issues in ohio and the future of ohio how do i go about talking/appearing/etiquette?

70. ## Geography

Which parts of the world are experiencing a very high increase in population?

71. ## biology

What is the primary structure for gas exchange in the respiratory system, how is it deisgnedf or the job?

72. ## Intro to Computer Programming - Pseudocode

This assignment (below) jumped way ahead of my abilities compared to the last assignment. I think I need a parallel array or a 2D array, an accumulator or loop counter, a verification of input, and Boolean something. But I'm not sure how to write it. We're

73. ## college

About the acre woods retirement community case study.... What are some potetial legal and ethical issues present in this case study? How would you charactorize the director's behavior? were the director's messages congruent with the organization's stated

74. ## Algebra 2

Find the vertex and axis of symmetry of the parabola when y=-3x^2+12-8

75. ## Physcial science

How many joules of heat are required to melt 40kg of ice at 0 degrees celsious?

76. ## math

find the zeroes of the equation: x^2+x-6=y

77. ## prealgebra

the height of a tringle is 3 ft longer then the base. the area of the trianlge is 35 sqft. find the hight and base of the triangel.

78. ## Social Studies Help NEede!

Was Christopher Columbus a hero or a villian? [I suggest thinking and going online to find sources that will tell you more about the ambitious leader! You'll be surprised!]

79. ## Math

Independent Events Two dice are rolled. What is te probability of each event? 1. The numbers total 9. 2. The numbers total 2. 3. Both dice display the same number. 4. The sum of the numbers is not 8. Please help, I don't get this.

80. ## Algebra 2

solve the equation: x^2-x+2=0 is 1+9i/2 the correct answer?

81. ## g

Why is doubling time so low in African countries?

82. ## Humanities

why is tool-using cultures, technocracy and technopoly are reasonable ways to divide cultures?

83. ## American Lit.(Poetry)

I need to find these in this poem: 1.Apostrophe:The addressing of a discourse to a real or imagined person who is not present; also a speech to an abstraction. 2.Synecdoche:A figure of speech in which a part stands for a whole, or a whole for a part.

84. ## Help me please!!!

Hi, I have an assignment in which i am supposed to identify a good citizen in my community. i need to write an essay on why he/she deserves that title. The problem is that i have just moved to this country so i don't know many of the people here and what

85. ## Humanities

what does technocracy mean ?

86. ## Geography

How is the economy in Northeast United States? What are the most popular job opportunities of the Northeast United States? Thank you :)

87. ## Geo

Identify two responsibilities that you think governments have with respect to population growth. Would that be like the food source, homes education etc???

88. ## Math

Mark is 11 years older than his sister. In 8 years he will be twice as old as she will be then. How old are they now?

89. ## Chemistry

How does understanding chemistry help us in todays world

90. ## Square Root Help!!! Urgent:)

Can you help with these please? I'm so bad at them!! 1. square root 160 2. square root -99 3. - Square root -169 4. square root -12

91. ## Algebra 2

Write the expression as a complex number in standard form. (5-2i)-2(3+i) Please explain how to do this. I don't know how.

92. ## com150

week 3 checkpoint 1 and 2

93. ## Physics

Understanding Newton's First and Second Laws, why do all objets near Earth accelerate at a constant rate "g"? I'm very confused, is it something about how inertia keeps the objects accelerating? Please help , thank you.

94. ## math

what happened when two fruit companies merged?

95. ## Science: Chemistry

Balance this chemical equation please! ___ CuSO4 + ___ Mg -> Cu + MgSO4

96. ## High school

I am a junior, what are good things colleges look for in you resume besides good grades/community service. I have good excurricular activity-music/sports i am looking for things like leadership summits, national honors society, internships, gov. school?

97. ## Math

2 cyclists start at the same tiem from opposite ends of a course that is 45 miles long. One cyclist is riding at 14 mph and the second is riding at 16mph. How long after they begin will they meet?

98. ## science

why is it an advantage for organisms to have more than one means of reproduction?

99. ## AP Chem

Complete and balance each of the following molecular equations, including phase labels, if a reaction occurs. Then write the net ionic equation. If no reaction occurs, write NR after the arrow. H2CO3(aq)+Sr(OH)2(aq) -> this is what I put but I think its

100. ## Math

At 11:00am a car (1) leaves city "A" at a constant rate of 60 mi/hr toward city "B". AT the same time a second car (2) leaves city "A" at the constant rate of 50 mi/hr. The distance between cities A and B is 220miles and a highway used by the two cars

101. ## books

In the book "The Great Gatsby" why has Gatsby called off his parties?

102. ## AP Chem

A 3.50 g sample of KCl is dissolved in 10.0 mL of water. The resulting solution is then added to 60.0 mL of a 0.500 M CaCl2(aq) solution. Assuming that the volumes are additive, calculate the concentrations of each ion present in the final solution.

103. ## science

plse help me with this How are valance electrons involved in the formation of covalent bonds? How do atoms in covalent bonds become slightly negative or slightly positive? explain how attractions between molocules could cause water to have a higher

104. ## eng

hows my outline look? Outline: 1)Post secondary education is unaffordable A)Poor students can’t afford tuition (Stat) tuition has increased by Fifty-percent B) The Government has implemented grants, scholarships and student loans to help. Thesis: I’m

105. ## calculus

Find the area of the largest rectangle with one corner at the origin, the opposite corner in the first quadrant on the graph of the line f(x)=20-5x , and sides parallel to the axes.

106. ## AED / ASAP PLEASE

150 words needed for How can English language arts teachers create a literacy-rich environment in their classrooms? How can these teachers overcome obstacles to literacy or resistance on the part of students? 150 needed for this Language arts contains both

107. ## MATH

What are the vertical asymptotes and the point of discontinuity for: x^3-2x^2+x/x^3-x^2-2x Does it intersect any asymptote?

108. ## government

how do congress and the president balance each other?

109. ## AP Chem

An aqueous solution contains 4.50 g of calcium chloride, CaCl2, per liter. What is the molarity of CaCl2? When calcium chloride dissolves in water, the calcium ions, Ca^+2, and chloride ions, Cl^-, in the crystal go into the solution. What is the molar

110. ## English

What does this question mean: What appeals you about the poem??

111. ## government

what does a bill need to do to get passed?

112. ## English-Poetry

can someone help find "The Dying Eagle" by E.J. Pratt for me i need it for my poetry assignment and give me the site address. plz and ty

113. ## math

I have a revolving credit account that uses the average daily balance to calculate finance charges. during april 2007 ( amonth with 30 days) I had an unpaid balance of \$445.12 for 18 days and a unpaid balance of \$221.38 for 12 days . How do you calculate

114. ## biology

Should the contractile vacuole of a paramecium be ACTIVE when the paramecium is in a hypotonic environment?

115. ## Calculus

If the tolerance on the volume of a cube is a 2% error then what should the tolerance be fore each side? So what i did was V=x^3 dV = 3x^2 dx dV/V = 2% What should I do next? the answer is 2/3% but I don't know how it works. Thanks.

116. ## Math

What are the steps in finding the diff quotient for f(x)= sq rt of x?

117. ## PIGSKIN GEOGRAPHY

WHAT KIND OF GRAINS ARE IN CEREAL BESIDES CORN, WHEAT, AND OATS?

118. ## Math

f(x) = log (2x - 5) is the argument 2x-5?

2z>2.1 or 3z

120. ## Calculus

Can someone explain the method of implicit differentiation to me. I know that we differentiation both sides of the equation with respect to x (I don't understand what they mean by with respect to x). And then y is a function of x...I don't understand what

121. ## laww.

If you were born in 1994 do you have to be 16 to get your temps in ohio ?

122. ## 11th grade

I need help with substitution math.

123. ## Math

what is the "expanded" form of ln[x2(x-2)/(x+1)]?

124. ## Science

Infer why the output force exerted by a rake must be less than the input force?

125. ## Science

Whats is Sciences?

126. ## 3rd grade

Does anyone know what the 1-1-1 rule in regards to spelling?

Does \$1000 at a rate of growth of 12% compounded continuously grow more slowly than \$120,000 at a rate of growth of 12% compounded continuously?

128. ## 4th grade Science

My daughter is learning translation and rotation in science right now...what is translation in regards to science?

129. ## ENVIRONMENTAL SCIENCE

Post your response to the following: Reflect on your own worldview and compare it with the worldviews presented in the text. Provide examples of the benefits of your view to defend your position. Please help!! If you can before thursday 11/6/08

130. ## calculus

are the deritives of sin and cos functions inverses

131. ## intermediate algebra

Find the equation of the line that pass through the given point and is perpendicular to the given line. Write in slope intercept form. (0,0), y + 3x = -12 would I subtract 3x from both sides? if so would the slope be -3x? m = 1/3 , (0,0) y-y1, m(x-x1)

132. ## health care

What current issues affect communication in health care organizations?

133. ## Genetics

Whats a homolog?

134. ## health

What are advantage and disadvantage of vertical hierarchy and vertical communication?

135. ## science

Post a 200- to 300-word response to the following: Discuss an environmental problem that you feel is significant in your town or city. What are some causes? Are any of these causes related to human values and environmental ethics? Explain I really need

136. ## Genetics

What are three sources of emobroyonic stem cells and how are they obtained from each? This is what I have so far: 1. Blasocyst of an embyro 2. Embilical cord of a baby 3. ? I don't understand how to explain how to obtain them. Don't you just remove them?

Suppose that the microwave radiation has a wavelength of 12.4 cm. How many photons are required to heat 255 mL of coffee from 25.0 C to 62.0 C? Assume that the coffee has the same density, 0.997 g/mL, and specific heat capacity, 4.184 J/(g/ K), as water

138. ## Math

what is the value of the number 6 digit 4,560,000

139. ## HS Calculus

Help Have some more that I do not understand. Limit theta approaching zero SinTheta minus Tan theta/ sin cubed theta

140. ## HS Calculus

1) Limit theta approaching zero sin squared theta/ tan theta 2) Lim x appraoches zero x + sin x/x x + sin x/x = x/x + sinx/x 0 + 1 =1 My answer : 1 Is this correct

141. ## 5th grade

The state of Minnesota has 15 citizens.They have 10 electors. In the election of presidency, Justin has 7 votes and Mia has 8 votes. How many electoral votes did Mia win? How many popular votes did Mia win? Please Help.

142. ## 8th grade science

what is the difference between sexual and asexual reproduction

143. ## geography

who was once controlled by the united kingdom?

144. ## Technology ..Urgent help

Analyze an example of new technological use that contradicts the principle of technological determinism. In other words, think of an example in which culture, social context, or other factors result in very different uses of an identical technological

145. ## Literature --- Macbeth

How does the number three, linked with magic, play an important part in the witches prophecy?

146. ## Chemistry

What is the H+ ion concentration of this solution? A solution is made by dissolving 0.0112 g KOH in enough water to make 1.0 liter of solution. What is the H+ ion concentration of this solution? a. ) 2.0 x 10-3 M b. ) 8.0 x 10-2 M c. ) 1.2 x 10-13 M d. )

147. ## Chemistry

The following redox equation occurs in acidic aqueous solution. When it is balanced with the smallest whole number coefficients, what is the coefficient for chlorine gas? KMnO4(aq) + KCl(aq) + H2SO4(aq) = MnSO4(aq) + K2SO4(aq) + Cl2(g) a. 1 b. 3 c. 5 d. 8

148. ## AP Chem

A chemist added an excess of sodium sulfate to a solution of a soluble barium compound to precipitate all of the barium ion as barium sulfate, BaSO4. How many grams of barium ion are in a 458-mg sample of the barium compound if a solution of the sample

149. ## integrated science

describe why chemist might sometimes store reactive chemicals in argon,Ar.

150. ## HSM230

Assignment: HSM Law Profile Paper · Due Date: Day 7 [Individual] forum · Select a current or proposed law that impacts the delivery of human services. · Write a 1,050- to 1,400-word paper in APA format that answers the following questions: o What

151. ## AP Chem

A solution of hydrogen peroxide, H2O2, is titrated with a solution of potassium permanganate, KMnO4. It requires 51.7 mL of 0.145 M KMnO4 to titrate 20.0 g of the solution of hydrogen peroxide. What is the mass percentage of H2O2 in the solution? If you