# Questions Asked onAugust 25, 2010

1. ## Psychology

Which one of the following statements about intelligence is the most accurate? a) IQ is a vaild measurement, and environment factors do not change mental ability b) intelligence is mostly genetic, has the most variablity between groups, and is reliable

2. ## Physical Education

Two bodies are thrown vertically upwards with the same initially velocity of 98metre/sec but 4 sec apart.How long after is thrown will they meet?

3. ## math

identify the equation of the line through (-2, 1) and parallel to y = 3x + 1

4. ## College Math

farmer wishes to fence a rectangular area along the river bank. No fence is required on the side adjacent to the river. The material for the fence costs P16.00 per meter for the side parallel to the river, P12.00 per meter for the side perpendicular to the

5. ## technique quantitative

Case Problem 2 - PRODUCTION STRATEGY Better Fitness, Inc. (BFI), manufactures exercise equipment at its plant in Freeport, Long Island. It recently designed two universal weight machines for the home exercise market. Both machines use BFI-patented

6. ## history

Different labor systems predominated in various regions of British America. How did the economy of each region help determine its labor system?

7. ## chemisry

I am having problems with this redox question. 3 Ag2S + 2Al ---6 Ag + Al2S3 What are the charges on each;

8. ## Miscellaneous

How can I become the smartest person in y class?

9. ## math

Which of the following is a subset of set A? A: {children between the ages of 3 and 7} a.children over 7 b.children3 years old c.children of all ages d.children under 3

10. ## physics

Soccer player #1 is 8.6 m from the goal. If she kicks the ball directly into the net, the ball has a displacement labeled A. If, on the other hand, she first kicks it to player #2, who then kicks it into the net, the ball under goes two successive

main idea of mythMyth 2: You have to read every word. Some experts suggest that you don’t need to read every word of a passage. This is particularly true once you break your reading task into steps with distinct purposes. For example, the first step in

12. ## algebra

Draw And Shade a figure that represents 150%.

13. ## math

an old picture has dimensions 33 inches by 24 inches. what one length must be cut from each dimension so that the ratio of the shorter side to the longer side is 3/4

14. ## math

one number is 2 more than 3 times another . their sum is 22 . find the number 4,18

15. ## physics

The drawing shows a person looking at a building on top of which an antenna is mounted. The horizontal distance between the person's eyes and the building is 85.0 m. In part a the person is looking at the base of the antenna, and his line of sight makes an

16. ## physics

Given the quantities a = 9.7 m, b = 4.2 s, c = 69 m/s, what is the value of the quantity d = a^3/(cb^2)?

17. ## biology

what is lamarck's theory

18. ## precal

The economist for a large sporting-goods manufacturer developed the following function to model the company's sales, where S is sales in millions of dollars and t is the week of the year, beginning January 1 of each year: S = 8 + t/52 – 6cos(πt/26)

how does the internet affect our culture in terms of the way we do and perceive business ?

20. ## math

show that the equation 2x-1-sinx=0 has exactly one real root. sin x = 2x-1 2x = sin x - 1 range of sin x is -1 to + 1 but how do you know that 2x is between -2 and 0 and so x is between -1 and 0

21. ## trig

find all sets of three consecutive odd integers whose sum is greater than 54 and less than 63

22. ## math

The United Nation declared that the world's six-billionth inhabitant was born on October 12, 1999 in Bosnia. Don't discuss what is not said. Discuss what is said. what is wrong with this statement according to what is allowed in statistics?

23. ## physics

Two non-parallel light rays initially converge to a single point on a screen. A rectangular block of glass is now placed somewhere in front of the screen, in the path of the light rays, so that the glass surface is parallel to the screen. Where is the new

25. ## staistics/ math

A statistician needs to survey a sample of 50 people that is representative of voters in his community. He prepared a list of phone numbers of 50 randomly selected, expected voters. Next morning, he came to work at 8:00 and began to make calls. By 11:00

26. ## college

A thirteen-year-old girl, who is underdeveloped and thin, has a blood disorder. She frequently experiences chest and abdominal pain, fever, and coughing, and has trouble breathing. Her teachers often spend additional time with her, explaining concepts that

27. ## Math/Algebra Can some one see if I did this correc

Find the greatest common factor for the group of terms. -66a^2, 11a^5 11a^5

28. ## JJ

A 30.84 mL volume of 0.128 M NaOH is required to reach the phnolphthalein endpoint in the titration of a 5.441 g sample of vinegar. Calculate % acetic acid in the vinegar.

29. ## PHYSICS

Two spheres are launched horizontally from a 1.1m -high table. Sphere A is launched with an initial speed of 5.0M/S . Sphere B is launched with an initial speed of 3.0M/S A. What is the time for the sphere A to hit the floor? and sphere B to hit the ground

30. ## CHEMISTRY

A 31.43 mL volume of 0.108 M NaOH is required to reach the phnolphthalein endpoint in the titration of a 4.441 g sample of vinegar. Calculate % acetic acid in the vinegar.

31. ## science

3 types of energy collected by telescopes

what is value of the number 7 in 700,000

33. ## math

using point-slope form write an equation, perpendicular to the line y-4=-2(x-3), containing the point (3,4)

34. ## science

The pressure created by the weight of air is greatest_______.

35. ## MATH

FIND THE L.C.D. OF THE FOLLOWING GROUP OF FRACTIONS AND EXPRESS IN TERMS OF THE L.C.D. 1/2, 3/4, 3/8 ANSWER____8?_____

36. ## childcare

A main source of fat and saturated fatty acids in children's diets is A. meat B. candy C. whole milk D. french fries (My answer is D) The most important consideration when installing playground equipment is A. cost B. height C. finishing materials D.

37. ## science

A model that may be make up of numbers, equations, and other forms of data

what si 1.05 + 1.50

39. ## childcare

Ms. Sue- Thank you very much I think I got the picture.

40. ## ALGEBRA 2 W/TRIG

identify the equation of the line through (-7, 10) and horizontal

41. ## ALGEBRA 2 W/TRIG

identify the equation of the line through (-2, 1) and parallel to y = 3x + 1

42. ## algebra

this tells me to rewrite the expression using the distributive property and then simplify plz help me and show me the work here are the questions. 15(f+1/3) 16(3b-0.25) (c-4)d

43. ## college

what are some examples of emerging mores related to dating co-workers?

44. ## Geograhy

how does wind and water effect earth climate

45. ## history

What role did religion play in early European efforts at overseas colonization? Did religious factors always encourage colonization, or did they occasionally interfere with European expansion?

46. ## trig

What are the maximum and minimum values of 6cos(πt/26)?

47. ## history

Comparing French, English, and Dutch Colonies, which ones attracted the most settlers, and which the fewest? In what colonies were women scarce? What impact did these differences in emigration have on various colonies' development?

48. ## math

17% 1gal and 1:750

49. ## science

The chemical substance found in the atmosphere exists as a / an______. a) mixture b) radical c) element d) compund e) solid I PICKED D

find the mainMyth 1: You only need to read the material once. Textbooks are packed with too much information to understand, much less retain, in one reading session. This is particularly true if the information is new and unfamiliar. Most students who can

51. ## math

Find the L.C.D. of the following group of fractions and express in terms of the L.C.D. 1/3, 3/5, 21/25,13/15 Puzzle!

52. ## physics

so if a capacitor is connected in series with a resistance. Then if one side of capacitor is connected to a positive terminal. Then does that mean that plate has to be positive charge. The electrons travel from the positive plate around the loop to the

53. ## English

Is the lyric(story) of the song Clementine real?

54. ## child psychology

The ability to solve abstact problems such as those found in algebra and higher mathematics is influenced by devdlopment and A. genetics B. societal factors C. health D. cognitive style

55. ## math

solve of x: (x-3)(x+)>0

56. ## FP101

I need help understanding how to complete an insurance matrix.

57. ## science

A mixture of two gases, C2H2 and H2, has the properties listed below. nC2H2=0.028moles nH2=0.015moles PC2H2=79torr What is the PT for this mixture? I first found out the mole fraction by first adding H2 and C2H2 and got 0.043, then did 0.028/0.043. I

58. ## physics

a ball with a mass of 0.150 g and positive charge of q=41.2 C is suspended on a string of negligible mass in a uniform electric field. We observe that the ball hangs at an angle of =22.0o from the vertical. What is the magnitude of the electric field?

59. ## Biology

Some questions on a review that I have no idea! Describe what the earth looked like when it first formed? Why was the presence of oxygen so important keep in mind aerobic,anaerobic respiration and the amount of ATP produced?

60. ## Math

Help! How do I complete these magic squares! They're taking me FOREVER! In magic squares, certain numbers have to add up to a certain sum, and be the same sum diagonal,across,and vertical. (Sorry if I didn't explain well) Arrange the numbers

what is the sequence to 1/2,0.5,50%,1/7,0.143,

62. ## social studies

What are maps called that focus on specific ideas?

63. ## spanish I

how do you pronounce De donde eres in spanish?

What are some methods that are used to uncover basic emotions? Which one of these methods is the most effective? Why?

65. ## math

the greastest area that a rectangle whose perimeter is 52m cm have is

66. ## Algebra Adding & Simplifying a Fraction

Add. Simplify if possible. 3z/z^2-4 + z/z-2 = Not sure if it would be 3z/z^2.

67. ## algebra

2x-5(x=3)>-20

68. ## math

what part of 3/4 is 1/10

69. ## social studies

What do you call maps thatshow features that humans have created on Earth's surface?

70. ## algebra

2x-5(X+3)> -20

71. ## health

What are some methods that are used to uncover basic emotions? Which one of these methods is the most effective? Why?

72. ## math

what is the median of the following group of score 27,27,26,26,26,26,18,13,36,36,30,30,27,29 27

73. ## Chemistry

For Peroxyacyl nitrate (PAN) A compound of C,H,N,O Determine the empirical formula from the percent composition by mass: 19.8% C, 2.50% H, 11.6% N What is its molecular formula given that its molar mass is about 120g?

74. ## math

what percent of 260 is 13 20%

75. ## math

b.Use your new formula to find the mass of the automobile in kg for each value of force and time given in the table below. Round your answer to the nearest whole number

76. ## math

4 1/3 -1 5/6 2 1/2

77. ## Algebra

Order of Operation help

78. ## chemistry

what is the equivalent of 0.46ml in microliters?

79. ## calculus

The problem is to evaluate the integral 10secxtanx dx, from -1/7 pi to 3/8 pi. What I've done so far is evaluated the integral since secxtanx is a trig identity, so the integral of that is secx. I took out the 10 since it was a constant which leaves me

How courageous the people were to go against the powerful king! Exclamatory sentence Let them eat cake. Imperative Don't miss the choir's performance of that magnificent song. Imperative

81. ## fiance

Use the following statistics from Robert Morris Associates' Annual Statement Studies to answer the following question(s). Net sales 100.0 percent Cost of sales 59.9 percent Gross profit 40.1 percent Operating expenses 31.2 percent Net profit (before taxes)

82. ## geometry

find uw if vw is 5/8 inches

83. ## conversion problems

Im not sure how to convert these because of the cm cubed heres the question: An aluminum engine block has a volume of 4.88 L and a mass of 12.60 kg. What is the density of the aluminum in grams per cubic centimeter? so its gonna be something g/cm3 can you

84. ## math

x/8 +x/3 = 9/8

85. ## Algebra Help

It is estimated that each cigarette a person smokes shortens that person's life by the amount of time she or he took to smoke it plus ten minutes. Write an algebraic rule that determines the number of minutes (t) a person's life is shortened by smoking c

86. ## math (A question for Reiny)

THANK YOU SO MUCH for the help with magic squares! But I have one quick question- how can I show my work! I have to show my work or I receive like 1/2 credit.

what are two goals of the system used to classify organisms

With increased market globalization, intercultural competence:

89. ## cytology

who is robert hooke

90. ## algebra

2x+3=17:7.... i don't know what the 7 after the ; is

91. ## math

How much work (in Joules) is done when a force of 14 N (Newtons) moves an object 6 meters?

92. ## scientist

scientists do their experimentl tests more than onceto reduce the chance of error is called conducting-----?

93. ## math

x/7+x/8=8/7

the step-by step you follow when conducting an experiment is called what?

95. ## MATH

I AM 900 MORE THAN THE GREATEST POSSIBLE 4-DIGIT EVEN NUMBER THAT CAN BE MADE USING THE GIGITS 1,4,2,5. WHA NUMBER AM I?

96. ## grammar

In the sentence...Each bike has ten gears. is "has" the verb?

97. ## scientist

a person who "does" science?

Sam sees a shape. The shape has one face and is curved. What shape does Sam see?

99. ## math

probability... two dice are tossed.... and their sum is recorded ..find probability p ( sum is between 2 and 9)

100. ## Geometry

I need to bisect two angles of a triangle, measure the triangle I didn't bisect, and then construct a point of intersection of the two angle bisectors. No idea what any of that means. thanks

101. ## biology

is hypothesis accepted if can't be proven wrong?

102. ## English

Can you tell me what words are the infintive phrase and is it a noun, adj or adv? Is it To learn and it's a noun? To learn to count in three languages is my summer goal.

103. ## public health

What is happening in the world today that can drastically affect public health? Not really sure where to begin on this one. If anyone could give me a neuron jump start, it would be greatly appreciated. thanks in advance, t.j.

104. ## arithmetic

(This homework question was removed due to a copyright claim submitted by k12.com.)

105. ## science

I have to correct the Internal diameter of 2 half round cast piece of aluminuim against the actual mandrel. Because after casting the pieces are open when cooling.i will use chain block to correct or tie the cast piece with the Mandrel. could you please

Having problems with less than/greater than decimals. Wanted to double check some answers. a)0.5_1.0 My Answer is < b)3.2_3.02 My answer > c)4.83_4.8 My answer < d)6.25_6.4 My answer < e)0.7_0.07 My Answer >

107. ## Algebra

Take any number (except for 1). Square that number and then subtract one. Divide by one less than your original number. Now subtract your original number. You reached 1 for an answer, didn’t you? How does this number game work? (Hint: Redo the number

108. ## high school algerbra class

(2/x^2-4)+(3/x^2)+(x-6+1/x+3) someone please show me how to work this problem with the steps, so I can see if I can get it. This is due tomorrow in class. Thank you.

109. ## Physics

Each of two runners at either end of a 1907 m straight track jogs toward the other at a constant 4.00 m/s. Suppose that a fly were to go back and forth, essentially without a pause, from one runner to the other at an average speed of 13 m/s. How far will

110. ## COM 155

HAVE I DONE THIS CORRECTLY? Identify the topic sentence by underlining it. Identify the clincher by highlighting it. I HAVE USED CAPS INSTEAD OF UNDERLINE AND HIGHLIGHT IN MY CLASS, FOUNDATION OF PERSONAL FINANCE, I HAVE LEARNED THAT MANY POTENTIAL

111. ## physics

Electronic flash units for cameras contain a capacitor for storing the energy used to produce the flash. In one such unit, the flash lasts for a time interval of 1.49×10−3 with an average light power output of 2.60×105 .

112. ## math

10^3 + 10^5 =

113. ## math

whats the mean of 10,20,30,35,55 55+35+30+20+10=150 150 / 5 =3

114. ## language arts

The rules require that each contestant make his or her own kite. What is the simple subject word?

115. ## History

(1) Britain and the U.S abolished the slave trade in? Answer: 1807 (2) The threat to the mercantile colonial world included all of the following except? A. Slave revolt B. Independence movements C. The free trade lobby. D. Enlightenment universalism E. The

116. ## CITY SCHOOL

useing these numbers: 25 - 7 - 8 - 5 - 4 - 3 make an equation so that the answer equals 828,but you can ONLY use those numbers. you cant add any more numbers and you cant repeat any of the numbers. you DON'T have to use all the numbers though

117. ## English

What do you want to do if you have a lot of money? 1. I want to donate a large sum of money to a society for poor people. To die with money is a shame.] 2. I will go abroad to study English. I like to go to Harvard University, where I will major in

118. ## math

the cicle of the circle below equal 24 centimeter what is the approimate radius? 24/3.14=8 8/2=4

119. ## English

I appreciate your help. the second one is as follows. Question: What do you want to do if you earn/have a lot of money? 7. I want to learn a lot of things. First of all, I will learn how to swim from a swimming instructor. In the future, I can enjoy

120. ## Chemistry

Please check this over and see of they are right...if they are not can you please tell the the right answer and explain how you got it. I think I am getting myself confused. Thank you. Write the neutralization reaction for each of the following. Balance

121. ## physics

A unit of area often used in measuring land areas is the hectare, defined as 104 m2. An open-pit coal mine consumes 72 hectares of land, down to a depth of 29 m, each year. What volume of earth, in cubic kilometers, is removed in this time?

122. ## statistics

What is the value for for a 95% confidence interval for the sample variance when n=10?

What if Ali only had tens and ones? How could she have modeled 624 without using hundreds?

124. ## english

is it as you sow so you shall reap or as you sow so shall you reap ?

125. ## math

mitchell has a jewerly box that has a volume of 324 cubic inches.the jewerly box is 9 inches long and 6 inches wide. how high is the jewelry box in inches. 9x6=54 324/54=4 inches

126. ## ambiguity

Is he really that kind

127. ## Math

If 3 points are collinear the solve for t (-3,3) (t,-1) (8,6)

According to Bohr model, what determines the color of light emitted when an electron moved from one energy level to another?

i need help NOW: A leather coat costs a fashion store \$150. THey will sell it for a 70% profit. Find the profit as a percentage of the selling price.

130. ## math

gabriel went shopping at mall and spent 16.50 on socks 45.23 on shoes 45.23 on backpack. how much money did gabriel spend on these items? 16.50+65.95+45.23= 127.68

131. ## geometry

can 4 point be collinear and if so how would I draw that

132. ## economics

HELP!!!!! One and only Inc is a monopolist. The demand function for its product is estimated to be Q=60-0.4P +6Y+2A Y=3,000 P=Price per Unit Y=Per capita disposable personal income (thousands of dollars) A=hundreds of dollars of advertising expenses The

133. ## math word problem

Here's the latest from the UMW math department: Andy drove from Richmond to Boston at an average speed of 50 miles per hour. If it took 5 hours to drive from Richmond to Philadelphia at an average speed of 70 miles per hour and if the whole trip took 13

134. ## algebra 1 honors

it says simplify each expression. justify each step. 1. (2 + 7m) + 5 2. 9 x (r x 21)

135. ## math

what does a scale factor represent ?

136. ## algebra

can you please show me how to do this? Determine whether the ordered pair is a solution of the inequality. y>x^2- 5x (2,-3)

12x^2=3x

138. ## Algebra

how do i solve this problem? a= 3 b=7 c=10 d=11 a-b/c-d = (a-b)/(c-d) = a-b/(c-d) = a-(b/c-d) =

139. ## science

imagine you are in a spaceship flying from the earth - describe what you see from the space and how you feel as it moves out of the gravitation pull of earth?

140. ## science

imagine you are in a spaceship flying from the earth - describe what you see from the space and how you feel as it moves out of the gravitation pull of earth?

141. ## social studies

please help me fill these out i accidently left my s.s boo in my locker :/ by 1860 the united states had thousands of miles of telegraph lines, mostly controlled by the ______. in 1866 ______ managed to lay a telegraph cable across the _______, making it

142. ## Chemistry

I have 1ml of 0.1M potassium iodide, what is the mole fraction of iodide ion?

143. ## Science

How Does Earth's atmosphere make conditions on Earth suitable for living things?

144. ## Chemistry

I have 1ml of 0.1M potassium iodide, what is the mole fraction of iodide ion?

145. ## statistics

. A statistician needs to survey a sample of 50 people that is representative of voters in his community. He prepared a list of phone numbers of 50 randomly selected, expected voters. Next morning, he came to work at 8:00 and began to make calls. By 11:00

146. ## History

Question 1 In 1907, in order to balance the Triple Alliance, the Triple Entente was formed by Answer (A)Italy, France, and Britain. (B)France, Russia, and Britain. (c) France, Russia, and Germany. (D)Russia, Britain, and the United States. (E)Britain, the

Point value of a hexagon is six. trapezoid is 3. triangle is 1. Rhombus is 2. my homework says, shape, number and total. what do I do? thanks.

148. ## Chemistry

How would I solve this: The atomic mass of 6/3Li and 7/3Li are 6.0151 amu and 7.0160 amu, respectively. Calculate the natural abundances of these 2 isotopes. The average atomic mass of Li is 6.941. All I know is how to get the atomic mass and not the

149. ## algebra

(1/t-1)-(1/t+2)

150. ## chemisry

2NaHCO3 --- Na2CO3 + H2O + CO2 2Fe + 6 HCl -- 2 FeCl3 + 3H2 2HBr + Ca(OH)2 -- CaBr2 + 2H2O N2 + 3H -- 2NH3 2H2O -- 2H2O + O is this a redox ? what is oxidized, reduced

64*15 divided by 56 rounded by precentage ( % 's ) help please urgent!!!

152. ## accounting

is the 5-question approach to ethical decision making superior to the moral standards or pastin approach

153. ## chemisry

I am having problems with this redox question. 3 Ag2S + 2Al ---6 Ag + Al2S3 What are the charges on each;

154. ## real estate investment

You are considering purchasing a 12,000 square feet (4,000 sf. per floor), three story office building for \$1,250,000 with closing to be on May 12. The top and bottom floors are preleased for \$24 per sq, ft. annually and the middle floor for \$20 annually.

how 8 over 6 to its lowest from

156. ## Child Psychology

Joe, a high school junior, is considering a career in medicine but he's unsure if he wants to commit himself to several more years of schooling. with whom is he most likely to consult with on this issue? A. Best friend B. Girlfriend C. Parents D. Guidance

157. ## physics

does current flows from high potential to low potential since it flows from positive terminal to negative terminal

158. ## math

what is the standard form and the expanded form 0f 20 and 7 thousands

159. ## chemisry

Two half cells in a galvanic cell consist of one iron electroide in a solution of iron sulphate and a silver electrode in a silver nitrate solution a) Assume that the cell is operating as a galvanic cell. State the oxidation half reaction, the reduction

160. ## Medical Terminology

What are two example of how knowing medical terminology will help you provide good patient care?

161. ## History

1) Describe how the Cold War ideology that crystallized after WWII changed wartime alliances that had existed during the war. 2) Describe how American Cold War policies and practices influenced international relations from the late 1940s to the mid-1950s.

You are traveling at a rate of 50 m/s. If you accelerate at a rate of -15 m/s2, what will be your velocity after 3 seconds?

163. ## History

How did McCarthyism affect the lives and political thinking of people in the U.S.

X/7 - 4 = 2

165. ## physics

A very narrow beam of white light is incident at 40.40° onto the top surface of a rectangular block of flint glass 11.8 cm thick. The indices of refraction of the glass for red and violet light are 1.637 and 1.671, respectively. Calculate the dispersion

A person standing on Mars would weigh 38% of his earth weight. What is the Mars weight of a person with an earth weight of 55 kilograms?

167. ## Algebra

It is estimated that each cigarette a person smokes shortens that person's life by the amount of time she or he took to smoke it plus ten minutes. Write an algebraic rule that determines the number of minutes (t) a person's life is shortened by smoking c

168. ## Math

Solve the inequality. -(x-1)>2(x+1/2) I don't understand how the answer is 0.

169. ## science

Cool air moving to take the place of warm, rising air is also known as _____.

170. ## English

What is the proper name used when using improper words. ie rootin' tootin'?

171. ## science

The chemical substance found in the atmosphere exists as a / an______.

172. ## Algebra II

Use the coordinates to write a prediction equation. (9,17) (4,10) (3,10) (1,7) (10,19) (6,12) (12,20) (8,15)

173. ## science

conducting -------------is what a scientist does to reduce effegts of chance errors

174. ## trig

when finding consecutive odd integers why would you use n, n+2 and n-2 rather than n, n+2 and n+4

175. ## math

The width of a rectangle is 6 cm less than the length. A second rectangle, with a perimeter of 54 cm, is 3 cm wider and 2 cm shorter than the first. What are the dimensions of each rectangle. Please give complete answer :)

176. ## Physics - Momentum

Define momentum qualitatively and quanititatively. (qualitatively - a measure of an object's mass to resist changes in its velocity or acceleration. Is this correct? How do I define momentum quantitatively)

177. ## Physics - Momentum

Try to imagine a situation in which the form f=ma would no apply, but the form f=delta p / delta t could be used. Describe that situation. How could you test your prediction.

178. ## english

please send me some house expressions, dance and song expressions and their meanings

179. ## arithmetic

An auditorium has 20 rows of seats.These are 20 seats in the first row,21 in the second row and 22 in the third row and so on.how many seats are there in all rows?

180. ## precalc

Write a formula for converting a measure of degrees in degrees, minutes, and seconds to a decimal number of degrees. The formula should convert, for example, 39º 5’ 34” to 39.093º. The model includes the assumption that a full degree equals 60

181. ## Physics - Applications of Momentum

Use the concept of impulse to explain the difference in the results of a jump using a proper bungee cord and a jump using ordinary rope. (Ans: Is it that impulse is equal to mVf - mVi and the final velocity will be zero for the ordinary rope, however when

182. ## mat115

can someone help me with this math question. I am asked to show my work but I don't know how to do so. The question is: The following set of numbers a perfect triple? 8, 10, 12 yes or now and how so? Thanks for your help.

183. ## math

find the difference in degrees of longitude between chicago at about 88W and rome at about 12E

184. ## Math Check

Solve the inequality. So i have done this problem at least three times and I keep getting the same answer. But in the back of the book the correct answer for this problem is x

185. ## Biology

Should humans strive to preserve a representative sample of all biomes or aquatic zones?

186. ## math

write an example of the associative proerty of addition.

187. ## biology

For each of the following listed below, explain how it enhances the plants ability to survive and reproduce in a terrestrial environment. B) Pollen C) Waxy cuticle

189. ## Chemisty (Sig Figs)

1.20 Mm to kilometers its 1200 but when I put it in it said not the correct number of sig figs

how do you bild a quote using a web circle and why does the four words needed must have ing, ation,able,and mis in them?

a bank contains 35 nickels, dimes, and quarters. There are four more dimes than quarters and twice as many nickels as quarters. How many of each coins are in the bank?

192. ## world history

what is the northermost waterway that bounded the mesopotamia region

193. ## physics

compared to the period of a wave of red light the period of green light is... A)less B)greater C)the same D)none of the above

194. ## statistics

The standard deviation of a distribution is 28. If a sample of 289 is selected, what is the standard error of the mean?

195. ## math

identify the equation of the line through (-7, 10) and horizontal

196. ## chemistry

how would you prepare 1L of a .5M solution of each of the following? Sodium carbonate from the pure solid

197. ## CHEMISTRY

Assuming the density of a 5% acetic acid solution is 1.0 g/mL,determine the volume of the acetic acid solution necessary toneutralize 25.0 mL of 0.10M NaOH.