# Questions Asked onOctober 23, 2008

1. ## physics

a 200kg sailboat experiences an eastward force of 3000N by the ocean tide and a wind force against its sails with magnitude of 6000N directed toward the northwest (45 degrees north of west). what is the magnitude of the resultant acceleration?

2. ## physics

In an old-fashioned amusement park ride, passengers stand inside a 3.0-m-tall, 5.0-m-diameter hollow steel cylinder with their backs against the wall. The cylinder begins to rotate about a vertical axis. Then the floor on which the passengers are standing

3. ## Chemisty

LEAD IS A SOFT, DENSE METAL WITH A SPECIFIC HEAT OF 0.028KCAL/KGC, A MELTING POINT OF 328.0C, AND A HEAT FUSION OF5.5KCAL/KG. HOW MUCH HEAT MUST BE PROVIDED TO MELT A 250.0KG SAMPLE OF LEAD WITH A TEMPERATURE OF 20.0C?

4. ## 5th grade social studeis

what types of geographical features helped settlements grow and succeed? why?

5. ## Accounting

Harding Company is in the process of purchasing several large pieces of equipment from Danning Machine Corporation. Several financing alternatives have been offered by Danning: 1. Pay \$950,000 in cash immediately. 2. Pay \$420,000 immediately and the

6. ## space

from 1700 to 1800 the greatest number of sunspots was just over what

7. ## Math

The product of three consecutive odd numbers is 6,783. What are the numbers?

8. ## english

IDENTIFY THE PARTS OF SPEECH IN THE FOLLOWING SENTENCE. I usually go swimming with my best friend and his rather unusual girlfriend. a) I - personal pronoun - countable (I is the subject in this sentence) b) usually - adverb (indicates frequency) c) go -

9. ## physics

A fish takes the bait and pulls on the line with a force of 2.7 N. The fishing reel, which rotates without friction, is a cylinder of radius 0.048 m and mass 0.76 kg. (a) What is the angular acceleration of the fishing reel? ? rad/s2 (b) How much line does

10. ## physics 2, help please

Two masses (mA= 2 kg, mB= 4 kg) are attached to a (massless) meter stick, at the 0 and 75 cm marks, respectively. c.) Now, if mass B was removed, how much force would need to be exerted at the 100 cm mark in order to keep the meter stick level*? ? N d.)

11. ## chemistry

If a 5.26-g sample of copper at 258 °C is placed in 125 mL of water at 21.0 °C, how hot will the water get? Assume no heat loss to the surroundings. The specific heat of copper is 0.385 J/g °C.

12. ## History

What are some pieces of information for WW1, for Russia in Modern warfare and Trench warfare?

13. ## calculus I

find a and b so that f(x)=x^2+ax+b has a local min at (6,-5) i found the derivative: f'=2x+a then i found a 0=2x+a 0=2(6)+a 0=12+a a=-12 but i can't seem to get the correct value for b. i plugged -5 into the original function, but my book says the answer

14. ## poem

what is the shrike by sylvia plath about? When night comes black Such royal dreams beckon this man As lift him apart From his earth-wife's side To wing, sleep-feathered, The singular air, While she, envious bride, Cannot follow after, but lies With her

A 1.082 g sample of a component of the light petroleum distillate called naptha is found to yield 3.317 g CO2 and 1.584 g H2O on complete combustion This particular compound is also found to be an alkane with one methyl group attached to a longer carbon

16. ## physics

Air (a diatomic ideal gas) at 30.0°C and atmospheric pressure is drawn into a bicycle pump that has a cylinder with an inner diameter of 2.50 cm and length 70 cm. The down stroke adiabatically compresses the air, which reaches a gauge pressure of 800 kPa

17. ## inter

4. Canning Transport is to move goods from three factories to three distribution centers. Information about the move is given below. Give the network model and the linear programming model for this problem.Canning Transport is to move goods from three

18. ## college calculus

find a and b so that f(x)=x^2+ax+b has a local min at (6,-5) i found the derivative: f'=2x+a then i found a 0=2x+a 0=2(6)+a 0=12+a a=-12 but i can't seem to get the correct value for b. i plugged -5 into the original function, but my book says the answer

19. ## science

i'm not sure witch statement is true .The earth has a stronger gravitational pull than the Sun because it is smaller in mass. .Planets would travel in a straight line if it weren't for the force of the Sun's gravity. .The Sun's gravitational pull is weaker

20. ## maths

the straight line l1 has equation y=2x+3 the straight line l2 is parallel to l1 l2 passes through the point (3,2) find an equation for l2

21. ## physics

Air (a diatomic ideal gas) at 30.0°C and atmospheric pressure is drawn into a bicycle pump that has a cylinder with an inner diameter of 2.50 cm and length 70 cm. The down stroke adiabatically compresses the air, which reaches a gauge pressure of 800 kPa

22. ## vocabulary

how do u use vanguard in a sentence?

23. ## physics

A spelunker drops a stone from rest into a hole. The speed of sound is 343m/s in air, and the sound of the stone striking the bottom is heard 1.46s after the stone is dropped. How deep is the hole? What is it in meters

24. ## Science

Explain what happens in the eye of the storm. Why can you survive the eye of the storm if you are inside and have shelter but instantaneously freeze if you are outside?

25. ## Organic Chemistry

--Why does caffeine have a larger Rf value than chlorophyll? --If two compounds have the same Rf under identical conditions. Does this show that they have identical structures? Explain.

26. ## social studies

what types of geographical features helped settlements grow and succeed?why?

27. ## help needed

can anyone help me complete this... The development of the first city-states took place not on the fertile crescent buti n a remote island to the south of the greece which was completely lacking in _________.

28. ## physics

Air (a diatomic ideal gas) at 30.0°C and atmospheric pressure is drawn into a bicycle pump that has a cylinder with an inner diameter of 2.50 cm and length 70 cm. The down stroke adiabatically compresses the air, which reaches a gauge pressure of 800 kPa

29. ## chemistry

If the warm water in this experiment is at 98 °C, how much heat must be released in order for the temperature of 100. mL of water to decrease to 32°C?

30. ## math

s= ..... meters (1angstrom=10^-10)

31. ## English

I need 6 people for this game. ... I have prepared sheets of paper. There is an English alphabet on each sheet of paper. It is a name tag. I'll paste two sheets of paper on your lothes:one on the back, and the other on the chest. You are A, Your are B.

32. ## Lit.

What is the criteria for "good poetry" set forth by Elizabeth Barrett Browning in Aurora Leigh?

33. ## math

The sum of two primes is 60. What are the numbers?

34. ## English

Ok. Its about syntax in the post. How does this look. Identify the parts of speech in the following sentence. I usually go swimming with my best friend and his rather unusual girlfriend I - personal pronoun - countable (I is the subject in this sentence)

35. ## physics

Air (a diatomic ideal gas) at 30.0°C and atmospheric pressure is drawn into a bicycle pump that has a cylinder with an inner diameter of 2.50 cm and length 70 cm. The down stroke adiabatically compresses the air, which reaches a gauge pressure of 800 kPa

36. ## eth 125

• Consider these questions: What are the most significant similarities between the Chinese American and Japanese American [cultural] experiences? What are the differences? (Schaefer, 2006, p. 352) • Choose from any of the following topics when

37. ## Math

Two numbers have a product of 676 and a quotient of 4. What are the numbers?

38. ## algebra

-2/17 + p = -2/15

39. ## Health and Disease

Post your response to the following: Write a 150- to 200-word script for a radio ad that promotes a healthy musculoskeletal system in old age. Address the risk factors for arthritis, osteoporosis, and injuries from falls. Incorporate prevention strategies

40. ## English

1. Write down #1 in the circle in the third picture. 1-1. Write down #1 in the circle of the third picture. 1-2. Write down #1 in the circle on the third picture. 1-3. Write down #1 in the circle related to the third picture. (Are the expressions above all

41. ## english

unscramble WRONTH to make a verb

42. ## Math

Imagine there are 100 lockers. Each locker is given a number 1-100. When the students are assigned to their lockers, the 1st student runds down the row of lockers and opens every door, student #2 closes the doors of locker #'s, 2,4,6,8, etc. to the end of

43. ## geography

Which city has the highest population in the northeast region?

44. ## geometry

If B is between A and C, AB=5y+4, BC=7y-3, and AC=20y-7. Find the value of y, AB, BC, and AC.

Can you please let me knoe if I punctuated the follwing sentences correctly: 1. The War for Independence began in 1176, and it didi not end until 1781. 2. During this war, many men died, their death gained the freedoms that we enjoy today. 3.Thomas

Please refer to the previous post Chemistry Help Please. Moles of S203^2- = (molarity)(volume): =(0.032400 mol/L)(0.053 litres S203^2-) = 0.03240 moles S203^2- Posted by DrBob222 on Wednesday, October 22, 2008 at 9:37pm in response to GK..please

47. ## Math

Identify the rate in the following statement: 75 is 15% of 500

48. ## social studies

I am currently writing a report on the Gadsen Purchase, for school. Do you know of any sites that possibly could help?

49. ## algebra

-2/17+p=-2/15

50. ## social studies

what types of geographical featurs of your community or region.how might they have influenced people to settle there?

51. ## chemistry

For the following reactions is delta Hrnx equal to delta Hf of the products : a. CaCO3(g)----> CaO + CO2(g) b. 2Na(s)+ Cl2(g) ---> 2NaCl(s) c. C(s)+ O2(g) -----> CO2(g) d. CO(g)+ 1/2O2(g)---> CO2(g) e. Na(s)+ 1/2Cl2(l) ---> NaCl(s) f. Na(s)+ 1/2Cl2(s) --->

52. ## math

simply using positive exponents no calculator answers?

53. ## college algebra

On the graph, plot all relevant points for y=x^2-4x+3. Then give the equation for a graph that shifts up 2 units and to the left 3 units. If it is a function, give its domain and range. Thank you!!

54. ## English

Sitting in groups, listening to the explanation of your friend, let's play the "Finding Your Seat' game. For example, there are 6 students at the table. If the leader says,"Tom is between Bill and Sam.", they should change their seats. If Tom is sitting on

55. ## organizational behavior

Keep in mind the differences that exist between FMC Green River and FMC Aberdeen and continue to think in terms of the differences you see in both facilities for each of these three topics. For example, what are the differences in the work groups,

56. ## Com220

Create a full-sentence outline that includes effective arguments and counter arguments to support your thesis. (Note: Outline only the body of your paper.) Remember to avoid bias and fallacies and to include rhetorical devices that strengthen your writing.

57. ## science

i don't know if this is rite or not... Organic and inorganic compounds that the body needs for energy, growth, and repair are called ______________. is it RNA? or lipid?or simple sugar? thx if u help me out.

58. ## calc I

f(x)=x^3-6x+1 find the critical points, where the function is increasing or decreasing and explain the shape of the graph using the derivative and algebra. i found the derivative to be 3x^2-6. So the critical points are -1.4 and 1.4. The derivative is

59. ## algebra

How do you divide a decimal by a whole number?

60. ## english

Can you help me write a paper describing a person to an m & m?

61. ## Algebra 1

what is the answer to this, please work it out. this is a fraction but i could not format it as such. Thanks! 5x(2)(squared) - 10x 7x-8 - 10x

62. ## Math

solve [(root125)^4]^1/6. so far, I got (6 root root 125)^25 is this correct? Where do I go from here? how can I get rid of two roots?

63. ## french

AU BAZAR. ratus a des gouts bizarres. Au bazar de la ville, il choisit un pantalon rose, une chemise a pois et des bottes en lezard! Il enfile les vetements et les bottes. what does mean in English?

64. ## Science- PLEASE, this is due tomorrow for test!

What is the section of EMS of satellite phones? What wavelength and frequency does it use? are there any dangers in using it? What is the wavelength and frequency of pagers? are there any dangers in using it? Is there any danger in using cordless phones?

65. ## Chem

what effects on Ph and the Ka value does the hydration of an acid have? For example H2SO4 versus H2SO4*H2O

66. ## English

People attend school for many different reason for example,expanded knowledge, societal awareness, and enhanced interpersonal relationships. Why do you think people decide to go to school?

67. ## space

what is the lighter colored region around the dark center of a sunspot called

68. ## math

What is the difference between domain and range? Describe a real life situation that could be modeled by a function.

69. ## History

One main difference between the Articles of Confederation and the U.S Constitution was that the Articles were very weak and the people had more power than the government while the Constitution gave more power to the government. Are there any other main

70. ## math

can someone please help me, Rob is going to college in Oklahoma which is 680 miles from their his home in Tennessee. He can travel on state highways at 55mph or on the interstate at 70mph. Approximately, how much longer will his trip be if he takes state

71. ## math

a single die isrolled, find the probabilities of: a) P( an odd number greater than 1) b) P(number less than 5) c) P(the number 3 or 7)

72. ## English

I don't understand the question???? Can somebody give an example. Complete the chart below with the present simple tense, using the verb ‘go’: PERSON I you he/she/it We you they POSITIVE I live here We eat here. QUESTION When did you move here. What do

I need to make a diorama of an ancient egypt commoners home. The web does not give me very much to go off of. I know they are two to three stories and the bottom level usually was the location of the business. I have not been able to find any pictures to

74. ## Biology A

The process in which am amoeba engulfs its pray and takes it in is known as _________.

75. ## Math

If you have a grid (100 blocks) with two full shaded and one with 63 blocks shaded, what would the decimal and fraction be?

76. ## college algebra

On the graph, plot all relevant points for y=the absolute value of x-1. Then give the equation for a graph that shifts up 3 units and to the left 4 units. If it is a function, give its domain and range. Thank you!!

77. ## Criminal Justice

Write 200-300 word response explaining the impact terrorism and cyber crimes have on interpreting the Fourth Amendment. Use a current event as a reference to help support the explanation.

78. ## English

I don't understand the question???? Can somebody give an example. Complete the chart below with the present simple tense, using the verb ‘go’: PERSON I you he/she/it we you they POSITIVE I live here We eat here QUESTION When did you move here What do

79. ## Math

Simply using positive exponents no calculator answers 256^3/4 25 kilograms = ------ miles(1mile=1609 meters) 45kg=-----lbs(1lb=453.6g) One angstrom is ------ orders og magnitude ------* than 10km 10^5angstro

80. ## History

What are the "checks and balance" between the three branches, executive, legislature, and judicial? I know that the executive can sign bills to make them laws but I don't know what the other two branches relate to that with the "checks and balance." Thanks

81. ## math

if the mean of a set of data is 23,must 23 be one of the data values?why?

82. ## calc I

how do i find the critical points of the function g(x)=xe^-x i think the derivative is xe^-x*-x^2e???

What is mobile electronics industry?

84. ## chemistry

What approach do you suggest using to prevent your water sample from cooling off before you start your measurements?

85. ## help me

under which operation is the set {-1,0,1} closed? 1 multiplication 2 addititon 3 division 4 subtraction

86. ## math

Explain the difference between of a quantity and of a quantity. 56. Match the percents in column A with their equivalent fractions in column B. Column A Column B (a) (1) (b) 5% (2) (c) (3) (d) (4) (e) 60% (5) (f ) (6) 1 Explain the difference between 1/4

87. ## english

hey can u help me with punctuations are these correct> having problems with pronoun agreement. My answer are the end of each sentence. 1. Each of the boys washed (their his) dishes. His 2. Jane and (me I) are going to the store, Mom! Me 3. (We Us) and our

88. ## math

assume polynomial f has exactly two local maxes and one local min. what is the largest # of possible zeros of the function???

______ differences produce a variety of ecosystems

Can you help write an extended metaphor comparing me to an m & m?

91. ## Math

minimum daily values (MDVs) for certain foods are given. They are based on a 2,000 calorie per day diet. Find decimal and fractional notation for the percent notation in each sentence. (a) 1 ounce of Tostitos provides (

92. ## math

Business and finance. Julio works as a quality control expert in a beverage factory. The assembly line that he monitors produces about 20,000 bottles in a 24-hour period. Julio samples about 120 bottles an hour and rejects the line he finds more than 1/50

93. ## Literature Invisible man

doesnt the theme of mutual complex fate (modernism) go against the other theme of self reliance?

94. ## English - Language study

I'm doing an assignment on studying the language aspects of children's magazines. I've got my report drafted, and I've received written feedback from my teacher, but I'm unsure on how to justify. Here is what I wrote. How is the language structured? From

95. ## math!

f(x)=x^3-6x+1 find the critical points, where the function is increasing or decreasing and explain the shape of the graph using the derivative and algebra. i found the derivative to be 3x^2-6. So the critical points are -1.4 and 1.4. The derivative is

96. ## french

AU BAZAR. ratus a des gouts bizarres. Au bazar de la ville, il choisit un pantalon rose, une chemise a pois et des bottes en lezard! Il enfile les vetements et les bottes. what does this mean in english?

97. ## math

When do 2 and 2 make more than 4?

98. ## math

the cost of a protein bar increased from \$2.50 to \$2.80.the percent increase in the \$2.80 rate was how much?

99. ## Animal Science

We have to do a research project on reproduction in the following animals: rabbits, guinea pigs, hamsters, birds, and chincillas. We are having a hard time finding a website with the right information. We need to identify, the age in which these animals

100. ## arithmetic

How do I get hours to perform task I have a rate of 28 per hour and 6245 transactions how many hours to complete

101. ## Vocabularay

First of all, look at the definition in the dictionary: Main Entry: van·guard Pronunciation: 'van-"gärd also 'va[ng]- Function: noun Etymology: Middle English vantgard, from Middle French avant-garde, from Old French, from avant- fore- (from avant

102. ## help me

how was it possible that "individual freedoms of citizens florised to a degree unprecedented in the nacient world?"

103. ## space

how old is our solar system

I have done the paper. can you please read if for me. How can i close it? i need a ending paragraph.

105. ## Math

Ms Jordan has been given a loan of 2,500 for 1 year. If the interest charged is \$275, what is the interest rate on the loan?

106. ## help

if u r making a bookcover about history of measurement can u say me what can be the title that i keep ...except "history of measurement"

107. ## help needed

i am making a bookcover related to the history of measurement can you help me give the title please......thank you

108. ## Geography

Hello, i have a map symbol to idientify and it looks like 3 watering cans quite small, do you know what Map Symbol it could be, please? Thanks

109. ## health

what is the system that moves the body and maintains its form

110. ## Algebra

1 more than 4x =

42xy/54xy

112. ## spanish

when do you use TE, Me, LE,. please help me to understand when best to use them

113. ## homonym

what is the homonym for total and empty depression. permission and orally

115. ## Biology A

In a ______________ __________________ the concentration of the solutes outside and inside the cell are equal.

find each product 1 3/8 .2 2/3

117. ## science

I have to spell out HORNED OWL and write a description describing horned owl by each letter. Can you help me come up with something for O and D

118. ## econ

in what ways do the reasons that explain the downward slope of the aggregate demand curve differ from the reasons that explain the slope of the demand curve for a single product?

119. ## Math

How can I complete these 4 patterns: 17, ___, ___, 62, ___, 92 39, ___, ___, ___, 75, 84 57, ___, ___, 33, ___, 17 15, ___, ___, 33, ___, 45

120. ## gen105

I need hel for both classes on my las assignmet I need to create a student survival guide for gen 105. this is the assignment: Compile a 1,000- to 1,250-word survival guide that will serve as a resource for you throughout your program. Using what you have

121. ## maths

Find the algebric expression for 15th term. 1 2 3 4 5 6 7 8 9 10 2 4 8

122. ## math

how many 3/4 are there in 3 ?

123. ## math

4/21 divided by 3 1/2

124. ## Science

Why is water used as a contant in many science experiments?

125. ## Limits

Find the limit of sin4x/(sqrt(x)) as it approaches positive infinity.

126. ## languages

Is there a web site that can help students out, if they can not speak English?

127. ## science

What is the wind cycle and water cycle?

128. ## Math

I'm supposed to evaluate the following equation in the real number system f possible : (-9)^1/2. The answer says it's not possible; why, I don't understand this.

129. ## science/density

which is the greater density? a)1 b)1.8 c)3 D)2.7

130. ## calc

calculate the critical points of f(x)=xe^-x i plugged in zero in the derivative, and i got: e^-0*0e^-0 = 0 1*0= 0 so is the critical point zero then???

131. ## social studies

I need help making a political cartoon. It needs to be about obama any help is greatly apreciated

132. ## math

what number has 26 and 6 as factors that are less then 85

133. ## Science

How does the body cool off on a molecular level?

134. ## science

how do the beads of sweat occur?

135. ## language arts

is being a rolemodel a person's trait

136. ## 9 th grade social

which state established greece's most renowned democracy?

137. ## Math

what is 7/9 ÷ (5/6)

138. ## Science

Are black bears and white bears the same species? why or why not?

139. ## math

4th grade function tables with 2 variables Input output 5 12 8 24 11 36 14 48

140. ## math

How to find the domain and range of the function. -2Sgn(4x+8)-1 Write an equivalent equation.

141. ## Goverment

What is the job of the President of the United States?

142. ## space

how many years marks the reversal of the suns magnetic field

143. ## Good Bye To The Moon

Are there any new scientific disoveries on the eight planets???

144. ## space

in this century what has been the solar cycle number

145. ## math

simplify 7{[5(b-4+16]-[3(4b-3)+4]}=

What are the procedures for easement in civil court

What can governments do to help in trade blocs in Asia?

148. ## algebra

x/6=-10 what does x stand for and I need help with 10t + t + 4/9t what is the value of t

149. ## Algebra

find the equivelent of -d(-69)

150. ## astronomy

Why could the mass of Venus not be deduced from Earth-based observations in the same manner as the masses of most other planets?

How do you write 6,549,920 and 945,209? Thanks

Thanks

153. ## math

3 coins are flipped, find the probabilities of: a) P(two heads) b) P(at most two heads) c) P(no heads)

154. ## social studies

pseudopsychology and parapsychology

155. ## just a question

why are the small events of life important to you? i say that how you treat the small everyday events of life is a microcosm of how you will handle bigger issues.

156. ## math

consider a state lottery that has a weekly television show. on this show, a contestant receives the opportunity to win \$1 million dollars. the contestant picks from 4 hidden windows. behind each window is one of the following: \$150,000, \$200,000, \$1

157. ## Biology A

Charged molecules pass through the cell membrane through _______________.

158. ## MATH

2p+54q=1080 where p = dollars / bicycle and q is the number of bicycles If the supply function for the bicycle is p-38q=280 find the equilibrium point of (q,p)

159. ## English

I don't understand the question???? Can somebody give an example. Complete the chart below with the present simple tense, using the verb ‘go’: PERSON POSITIVE QUESTION I I live here When did you you We eat here move here he/she/it What do they eat We

160. ## social studies

can you tell me somthing that queen nefertiti did that was important?

161. ## humanities

why was the religious legislation of feudal governments a succes

162. ## science

what is consumed by photosynthesis