# Questions Asked onJanuary 14, 2012

1. ## Physics

A mouse travels along a straight line; its distance from the origin at any time is given by the equation. x= (8.1 cm * s^-1)t-(2.7cm * s^-2)t^2 A) Find the average velocity of the mouse in the interval from t= 0 to t= 1.0 . value=?; unit= ? B)Find the

2. ## physics - Energy

An ore car of mass 41000 kg starts from rest and rolls downhill on tracks from a mine. At the end of the tracks, 9.6 m lower vertically, is a horizontally situated spring with constant 4.7 × 10^ 5 N/m. The acceleration of gravity is 9.8 m/s^ 2. Ignore

3. ## Chemistry

CH4 + 2O2 -> CO2 + 2H2O When 70 grams of oxygen react with methane, how many liters of CO2 gas are produced?

4. ## physics

A ballistic pendulum consists of a rectangular wooden block of mass 1.5 kg suspended from a ceiling. A bullet mass 0.025 kg undergoes a completely inelastic collision with the ballistic pendulum. Due to the collision the pendulum rises to a height of 45

5. ## physics

a car of mass 500kg is moving at 24m/s. A lion of mass 100kg drops on to the roof of the car from an overhanging branch. Show that the car will slow down to 20m/s.

6. ## socials

what be the definition for sustainability that come in environment? I find that it be meeting the needs of the present without compromising the ability of future generations to meet their needs. but i not real understand what this means

7. ## Physics

Consider two objects, A and B, both undergoing SHM, but with different frequencies, as described by the equations xsuba= 2.0msin(2.0t) and xsubB = 5.0msin(3.0t), where t is in seconds. After t = 0, find the next three times t at which both objects

8. ## World History

What was the cause of the peloponnesian war? A. Greeks sought revenge for the persian wars B. Sparta wanted control of the powerful athneian army C. Many greeks outside of athens resented athenian domination I got B. Around 700 B.C Athenians became unhappy

9. ## lac english 1 a

how are bario boy and no gumtion alike different In what ways are the authors’ choices and depictions related to the subject matter of their stories?

10. ## OOP PROGRAMMING

Write a program the inputs (from the user) the number of hours worked and hourly pay rate for employees and outputs their total pay. The program should process an arbitrary number of employees; the user will terminate input by entering 0 for hours worked

11. ## Liberal Arts

Part 1: You finally made it…graduation day has arrived! Your parents are so proud that they are throwing you a HUGE party. They have rented a big tent for your graduation party just in case it rains. The inside of the tent (represented by the blue area)

12. ## Physics

A mouse travels along a straight line; its distance from the origin at any time is given by the equation. x= (8.1 cm * s^-1)t-(2.7cm * s^-2)t^2 A) Find the average velocity of the mouse in the interval from = 0 to = 1.0 . value=?; unit= ? B)Find the

water makes up 7/10 of your body. Is more than 1/2 of your body water? write a number sentence to compare 7/10 and 1/2. Explain

14. ## drwls:precalc

4x^2-9y^2-40x+36y+100=0 I still end up with the wrong answer. I end up with 4(x-5)^2/-120 - 9(y+2)^2=-120 9 can't go into -120 My procedure: (4x^2-40x)-(9y^2+36y)=-100 4(x^2-10x +4)-9(y^2 +4 +4)=-100+ 4(4)-9(4) 4(x-5)^2-9(y+2)^2=-120 (x-5)^2/-30 - ? 9

15. ## Physics

Please show steps and thank you! An astronaut of mass 70 kg carries an empty oxygen tank of mass 14 kg. He throws the tank away from himself with a speed of 3 m/s. With what velocity does the astronaut start to move through space?

16. ## chemistry

LeChatelier's Principle !!!! ? plz help me with this problem the following reaction may be used to remove sulfur compounds from power plant smokestack emission. 2HS(g) + SO2 >>>> 3S + 2H2O ...... DELTA h = -145 KJ the value of the euilibrium constant for

17. ## college mathematics1

solve the system x+6y=24, -6x+5y= -21

Payment was done on August 30 for the invoice below. Please fill in the blank for the missing quantities. Terms: 5/10, 3/20, n/30 Date: August 19 Quantity Description Unit List Price Total 5 Frying Pan RM25.00 each 5 Glass Jar RM25.00 each 10 Knife RM5.40

19. ## operations management

1. What trade-offs are involved in shifting from a traditional operations systems to a lean operating syatem for” a. manufacturing b. servicing 2. Who in the organization is affected by a decision to shift from a traditional to lean operating system? 3.

20. ## physics

Calculate Earth’s gravitational force on the Shuttle astronauts while orbiting at an altitude of 220 miles (or 354 km) above Earth’s surface.

21. ## precalc

Write the equation of the ellipse in standard form: 4x^2-9y^2-40x+36y+100=0

22. ## History

What was the goal of the League for Non-Violent Civil Disobedience Against Military Segregation? Did they succeed? Answer :The goal of the Nonviolent Civil Disobedience Against Military Segregation was to urge young men, both black and white, to refuse to

23. ## Algebra 2

The perimeter of a rectangle RSTV is 44 ft. Find the least value of the diagonal RT.

24. ## Math - Arithmetic Sequences

The sum of the 4th and the 14th term of an arithmetic sequence equals 22. The 9th term is 4 larger than the 4th term. Calculate the first term of the sequence. I've been trying to solve this for like an hour but I just can't figure out how to do it! I'd

25. ## GED Math

In the figure below, if the perimeter of triangle ABC is 48, what is the value of x?

26. ## Chemistry

A mixture of three gases has a total pressure of 1380 mm Hg at 25 degrees celsius. If the mixture contained 56 grams CO2, 3.04 mol CO and 9.03 X 10^23 atoms of Argon, the partial pressure of argon would be about? First I did 9.03e23 * 760/1 = 2.26e22 and

27. ## PHYSIC

A SKATER IS ROLLERBLADING DOWN A SIDEWALK AT A VELOCITY OF 2.7 M/S. AS SHE APPROACHES AN INTERSECTION, SHE SLOWS TO A STOP OVER A 5.8 SECOND PERIOD. WHAT IS HER AVERAGE ACCELERATION?

28. ## PHYSIC

A CHEETAH CAN ACCELERATE AT A RATE OF 8.0 M/S^2. ASSUMING IT STARTS FROM REST, WHAT WILL ITS VELOCITY BY AFTER 3.5 SECONDS?

29. ## Science

How does water's oxygen content affect freezing point?

30. ## intermediate algrebra

Mr. Siglar is a famous speaker. He travels and gives an average of 8 speaches each week. Auditoriums are always full they have 2000 in each. he charges \$15 each person. His average expenses for each presentation are 14,000. The cost of meals, jet travel,

31. ## algebra

Club A offers a starter fee for \$17 plus a monthly fee of \$11. Club B offers a starter fee of \$23 and a monthly fee of \$14. How many months untill the prices will be the same?

32. ## law

. When using Shepard's Online, a red stop sign and a __________ yield sign suggest either negative treatment or the occurrence of legislative or court action relating to a statute. (Points: 5) red blue yellow white is it YELLOW

33. ## physics

the system is in static equilibrium. The coefficient of static friction between the block and the table's surface is = 1/3. The mass of the block that is hanging down is n1 Kg. The tangent of the angle shown in the figure is tan theta = n2. What is the

34. ## English

Could you please tell me if the following sentences are possible? Thank you. The principal of my school has asked me to find an Irish school which would be interested in a Comenius partnership with our school, a French high school and a German high school.

35. ## Agricultural economics

Would you characterize the market for food items in the US as purely competitive, monopolistic or oligopolistic?

36. ## physics - Energy

A 0.280 kg block on a vertical spring with a spring constant of 4.12 × 10^ 3 N/m is pushed downward, compressing the spring 0.0600 m. When released, the block leaves the spring and travels upward vertically. The acceleration of gravity is 9.81 m/s^ 2. How

37. ## psy/300

how does sensation and perception affect learning?

39. ## programming

I need help in the TODO section. /** * Driver.cpp - This file contains the driver code to test the * linkedStackType class implementation * */ #include #include "linkedStack.h" using namespace std; template void printStack(linkedStackType& stack); template

40. ## Math

Evaluate the given indefinite integrals. ∫ (x+2)(2x+3)^1/2

41. ## Algebra 1

Marks pet needs to eat at least 18 grams of fiber but less than 25 grams of protein each day. Mark gives his dog Food A and Food B throughout the day. Food A has 2 grams of fiber and 3 grams of protein in each serving. Food B has 4 grams of fiber and 1

42. ## psychology statistics

15. Based on the information given for each of the following studies, decide whether to reject the null hypothesis. For each, give (a) the Z-score cutoff (or cutoffs) on the comparison distribution at which the null hypothesis should be rejected, (b) the Z

43. ## Trig

(x+3)^2/4^2 + (y-2)^2/5^2 The location of the Foci are at: a.(-3,-1) and (-3,-5) b. (-3,2) and (-3,5) c. (-3,-3) and (-3,7) d. (-3,1) and (-3,-5) I get (-3,2) and (-3,5) Am I correct?

44. ## Fine Art 7

I have this assignment for my fine art class. You see my art teacher was telling us about Martin Luther King on how he is a good man and how he died and more. Do for homework we have to write a thank you letter to them. It doesn't have to be long. My

45. ## Algebra 2

Find the equation of the parabola that goes through the given points. (1,2) (0,5) (-1,14)

46. ## English

Hi, i have to write an literary essay for The Great Gatsby and the topic is "IN THE GREAT GATSBY, THE AMERICAN DREAM IS PRESENTED AS A TRAP." Can you give me some advice on how to write it and how to start it with a really nice hook? Our teacher says the

47. ## precalculus

solve the inequality please x^4-6561>0 So far I have come up with x^4>9^4. I guess what's throwing me is the answer has to be in interval notation and for the life of me, I can't remember what that is! (for me, it used to be a blond moment - now I'm gray

48. ## Geometric Sequence

Find the fourth term (a4) of geometric sequence if the first term (a1) is 2 and the common ratio, r is 4.

49. ## Algebra II-Please check fpr explanation

I have a question concerning this problem:I just want to make sure my formulas are correct before I do problem It is a hyperbola equation (y-4)^2/49 - (x-6)^2/72 = 1 1.It is a vertical hyperbola, correct? 2. the a^2 is 49, correct? 3. the b^2 is 72,

51. ## science

how to draw a delivery device for golf balls

52. ## physic

a car sits still at a red light. once the light turns green, the driver accelerates at a rate of 3.5 m/s^2. how far has the car moved after 6 seconds?

53. ## statistics

5. The ages of husbands and wives in a community were found to have a correlation coefficient equal to +0.8; the average of husbands’ ages was 25 years and that of wives’ ages 22 years; their standard deviations were respectively 4 and 5 years. Find

54. ## PHYSIC

THE MOON ORBITS THE EARTH AT A SPEED OF 1.02 KILOMETERS PER SECOND. USE DIMENSIONAL ANALYSIS TO CONVERT THIS SPEED INTO MILES PER HOUR.

5a-a-2a=18

56. ## Physic

The moon orbits the earth a a speed of 1.02 Kilometers per second. Use dimensional analysis to convert this speed into miles per hour. is the answer .28 m/s????

57. ## Physic

A cheetah can accelerate at a rate of 8.0 M/S^2. Assuming it starts from rest, what will its velocity be after 3.5 SECONDS?

58. ## math

Solve: 22x -1 plus 5 equals 15

59. ## Chemistry

A sample of chlorine gas at a pressure of 420 mm Hg and in a volume of 3.50L was heated from 18.0 degrees celsius to 45 degrees celsius after being transferred to a container of volume 2.35L. The pressure in this new container should be about? Would I use

60. ## physics

What will be the magnitude of work if a force of 25N pulls a stone through distance of 5m in its direction ?

61. ## trig

From the top of a hill 700 ft. high, an observer notes that the angles of depression of two successive markerstones on a level ground, which leads straight away from the hill are 5 degree and 15 degree respectively. Find the distance between the two

62. ## Chemistry Ozone layer

what is the ozone layer made out of because on differnt websites it says different things and i thought it was made out of the three types of oxygen O2 O3 and i don't know the last one but on other things it says differnt please help me

63. ## precalculus

given the following rational function f(x)= x^2+5x-7 / x-4 state domain, find vertical, horizontal and oblique asymptotes if any. I found the domain to be (-inf.,4)U(4, inf.) and vertical asymptote at x=4 am I right? can someone help me with the rest?

64. ## algebra

Including a 9% sales tax, an inn charges \$127.53 per night. Find the inns nightly cost before tax is added

65. ## Physics

A streetcar named Desire travels between two stations 0.59 km apart. Leaving the first station, it accelerates for 10.0 s at 1.0 m/s2 and then travels at a constant speed until it is near the second station, when it brakes at 2.0 m/s2 in order to stop at

66. ## law

Review the sentence and determine which is correct. 1(a). The judge admonished the prosecutor and defense attorney who was distracting the jury from the facts of the case. OR 1(b).The judge admonished the prosecutor and defense attorney who were

67. ## english

what is mary e. wilkins freeman literary style of writing

68. ## law

Review and revise the following paragraph. After reviewing al the pleadings the underlining records that party arguments; pertinent caselaw and statues and the other recommendations filed byt eh party's, this court remainsof the opinion and biew point that

69. ## physics

a book on a shelf 2.0 meters above the floor has a mas of 1.5 kilograms. what is the gravitational potential energy of the book.

70. ## English

Can you please tell me if the following sentences are correct? Thank you. Complete the second sentence so that it means the same as the first. 1) He went to bed two hours ago. He has been sleeping for two hours. 2) They have been chatting for one hour.

71. ## geometry

How do you express the following value without exponents? (-243) 6/5

72. ## Chemistry

According to the ideal gas law a 9.03 sample of oxygen gas in a 0.8112 container at 499k should exert a pressure of 456atm. By what % does the pressure calculated using van der waals equation differ from the ideal pressure? For O2 gas a=1.36 L^2atm/mol2

73. ## ALG 2

27 + 9 + 3... Find the sum of the geometric series given

74. ## physics

A square door on the base of a water tank is 0.5 m by 0.5 m. The tank contains water to a depth of 3 m and sits on four legs. Find the magnitude of the force acting on the door

75. ## chemistry

2SO2 + O2 >>>> 2SO3 delts h = -197.8 KJ K= 0.0114 at 400 degree Celsius engineers have found that SO3 can be produced faster by increasing the temperature to 400 degree Celsius, even though this change favors the reverse reaction. suggest an explanation

76. ## soc stud 7th gr canada

I have a question about Canada what are 2 countries Canada borrowed their ideas from to form their government? I said : USA and England is that right?

77. ## science

How far out from an axis must a 1200 N force be applied (i.e. what is the forces moment arm) in order to counter and hold a 90 Nm torque acting in the clockwise direction?

78. ## PHYSIC

A PLANE IS TRAVELING AT 90 MILES PER HOUR DUE SOUTH. WHAT DO WE KNOW ABOUT IT? 1. ITS SPEED 2. ITS VELOCITY 3. BOTH ITS SPEED AND ITS VELOCITY

79. ## Physic

A plane is traveling at 90 miles per hour due south. What do we know about it? the speed, its velocity or both its speed and its velocity?

80. ## Math Problem

Please solve -4x is greater than or equal to -2.4

81. ## Anatomy and Physiology

Discussion Topic: Chemistry of Life, Cells, and Tissues Select an organ and provide an example of how it uses the following: carbohydrates, lipids, proteins, and nucleic acids. Also, describe an area of interest related to one of the types of molecules,

82. ## Anatomy and Physiology

Discussion Topic: Chemistry of Life, Cells, and Tissues Select an organ and provide an example of how it uses the following: carbohydrates, lipids, proteins, and nucleic acids. Also, describe an area of interest related to one of the types of molecules,

83. ## english

What are the most large ecological problems in the world todayÉ

84. ## American Literature

I read the speech 'On The Campaign Against Drug Abuse" by President and Mrs. Reagan. For one of the questions it asks what inclusive language is used. You, our, we're, etc. were used throughout the speech. Would this be correct ??

85. ## math116

y= -1/2x-4 solve for x if y= -1 Answer would be x= -6. So the full answer would be (x,y)=(-6,-1)?

86. ## Precalc

find the following limit lim n->infinity 2+5n+4n^4/2n show steps please

87. ## English

I urgently need you to check these sentences, please. 1) How long have you know Peter? I' ve known him for two years, since I moved to Paris. 2) We'll arrive late unless we take a taxi. 3) We won't start dinner until/as long as your father doesn't arrive.

88. ## calculus

Need help for calcul: ( 1/2 ( -1 + i√3 )) ^2 thanks for your help

89. ## MACROECONOMICS

compare and contrast the Islamic perspective on consumption, investment and savings to conventional economic system?

90. ## Nutrition

You decide to perform proximate analysis on a sample from your best friend's diet. Most abundant component(s) in nitrogen free extract of diet would be: a) insoluble fibre b) starch c) triglyceride d) Sodium and potassium I know the correct answer is b)

91. ## precalculus

find the inverse of function f(x)=4-2ln(x+1). state domain, range and any asymptotes of both

92. ## law

Which of the following legal publications is NOT typically updated with pocket parts? (Points: 5) Legal encyclopedias Legal dictionaries Digests Treatises is it D

93. ## Physics

PLEASE HELP! and include steps of how you solved it! What magnitude of force, acting for 0.025 s, will change the velocity of a 100 g ball from 30 m/s eastward to 40 m/s westward?

94. ## poetry

true or false iambic pentameter consists of five feet of two syllables,each of which is an uncaacented syllable followed by an accented one

95. ## math

Help with this problem 160 mm = blank m 23 cm = blank m

96. ## law

Revise and edit the following run-on sentence: Data in computerized form is discoverable, even if paper "hard copies" of the information have been produced, the producing party can be required to design a computer program to extract the data from its

97. ## Physics

Calculate the force of gravity on a 2 kg mass at Earth’s surface. The mass of Earth is 6 * 10 ^24 kg, and its raidus is 6.4 * 10 ^ 6.

99. ## law research

Review and revise the following paragraph. After reviewing al the pleadings the underlining records that party arguments; pertinent caselaw and statues and the other recommendations filed byt eh party's, this court remainsof the opinion and biew point that

100. ## math

Reducing fractions to lowest terms ( 27/54=

101. ## chemistry

My teacher is going to list the molar masses of five gases and ask us which has the largest molar volume at STP. How would I go about solving this?

102. ## geometry

How do you solve the following equation. -2= (-5/12)x + 3