# Questions Asked onAugust 17, 2011

1. ## physics

A small weather rocket weighs 14.7 N. The rocket is carried up by a balloon. The rocket is released from the balloon and fired, and its engine exerts an upward force of 10.2 N on the rocket. What is the acceleration of the rocket?

2. ## physics

A bus accelerates at 1.4 m/s2 from rest for 10 s. It then travels at constant speed for 26 s, after which it slows to a stop with an acceleration of magnitude 1.4 m/s2. (a) What is the total distance that the bus travels? (b) What was its average velocity?

3. ## maths/physics

A rubber ball weighs 49 N. What is the acceleration of the ball if an upward force of 69 N is applied?

4. ## AP Physics

A person on a trampoline bounces straight upward with an initial speed of 4.7m/s . What is the magnitude of the person's speed when she returns to her initial height?

5. ## physics

A certain sports car accelerates from 0 to 60 mph in 9.0 s (average acceleration = 3.0 m/s2). The mass of the car is 1354 kg. The average backward force due to air drag during acceleration is 280 N. Find the forward force required to give the car this

6. ## Geometry

Point P is located on the segment between point A(1,4) and point D(7,13). The distance from A to P is twice the distance from P to D. What are the coordinates of point P?

7. ## physical science

alever is used to lift a heavy load. when a to-n force pushes one end of the lever down 1.2m the load rises 0.2m. show the weight of the load is 300n

8. ## Science

I have to use the terms hypothesis, controlled experiment, and variable in the same sentence.

9. ## physics

Two trains face each other on adjacent tracks. They are initially at rest, and their front ends are 50 m apart. The train on the left accelerates rightward at 1.05 m/s2. The train on the right accelerates leftward at 0.93 m/s2. (a) How far does the train

10. ## Programming

Write a pseudocode program that asks the user for an integer between 1 and 12. The program is to calculate the times table for that number. So for example, if the user enters a 2, then the program has to calculate 2x1 and display the answer, then 2x2 and

11. ## Calculus

Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Then find the area of the region. 2y=3sqrtx , y=3 , 2y+2x=5

12. ## physics

The coefficient of sliding friction between rubber tires and wet pavement is 0.50. The brakes are applied to a 750 kg car traveling 30 m per second, and the car skids to a stop. What is the magnitude and direction of the force of friction that the road

13. ## Physics

A whale swims due east for a distance of 7.5 km, turns around and goes due west for 2.5 km, and finally turns around again and heads 2.6 km due east. (a) What is the total distance traveled by the whale? (b) What are the magnitude and direction of the

14. ## math

use mental math to find each value 5% rebate on a \$150 cell phones

15. ## AP Chemistry

Given: 2N2(g) +O(2) --> 2N2O(g) Kc =1.2x10^(-35) N2O4(g) --> 2NO2(g) Kc = 4.6x10^(-3) 1/2N2(g) + O2(g) --> NO2(g) Kc= 4.1x10^(-9) Calculate Kc for the reaction between one mole of dinitrogen oxide gas and oxygen gas to give nitrogen tetroxide gas.

16. ## physics

The space shuttle has a mass of 2.0 × 106 kg. At lift-off the engines generate an upward force of 30 × 106 N. a. What is the weight of the shuttle? b. What is the acceleration of the shuttle when launched? c. The average acceleration of the shuttle

17. ## Physics

A runner runs around a circular track with a radius of 50m.if he runs half way round the track from a to b.am i correct if i say his distance is 100m?

18. ## Conic section identification

Explain which conic section this equation and explain how to solve it: 12x^2-18y^2-18x-12y+12=0

19. ## algebra 2

Explain which conic section this equation and explain how to solve it: 12x^2-18y^2-18x-12y+12=0

20. ## Chemistry

How many grams of hydrogen can be produced by the electrolysis of water with a current of 0.290 A running for 5.00 min?

21. ## math

A bucket contains 7 red, 3 blue, 2 black and 1 yellow ball of the same size. A random selection of 5 balls is taken from the bucket. find the probability that the random selection will contain atleast 1 red ball?

22. ## AP Physics

A person on a trampoline bounces straight upward with an initial speed of 4.7m/s . What is the magnitude of the person's speed when she returns to her initial height?

23. ## math

Determine the regular payment amount, rounded to the nearest dollar. The price of a home is \$160,000. the bank requires a 15% down payment. The buyer is offered two mortgage options: 1 year fixed at 8% or 30-year fixed at 8%. Calculate the amount of

24. ## math

classify each statement as sometimes, always, or never true. give examples or properties to support your answer a+ (bc) =( a+b) .(a+c)

25. ## english

Write one paragraph of eight to twelve sentences informing your fellow students of your reasons for wanting to earn your diploma in the program in which you're enrolled, particularly in terms of your career goals. For example, why did you decide to take

26. ## math

A farmer has both chickens and sheep on his farm. He has a total of 25 animals and there are 72 legs on his farm. How many of each animal is there? (I think the answer is 18 (sheep) as chickens are birds not animals!!!

27. ## chemistry

Bottle A has a volume of 1.2 L, When Filled with sugar water the bottle has a total mass of 5.0 pounds. If the empty bottle has a mass of 800 grams. determine the density of the sugar water in g/mL.

28. ## english

what is correct barb-and i or barb and me

29. ## solving conics

Explain which conic section this equation and explain how to solve it: 12x^2-18y^2-18x-12y+12=0

30. ## AP Physics

A person on a trampoline bounces straight upward with an initial speed of 4.7m/s . What is the magnitude of the person's speed when she returns to her initial height?

31. ## physicsURGENT!!!!!!

Two trains face each other on adjacent tracks. They are initially at rest, and their front ends are 50 m apart. The train on the left accelerates rightward at 1.05 m/s2. The train on the right accelerates leftward at 0.93 m/s2. (a) How far does the train

32. ## english

You demonstrate that you are able to revise, edit, and proofread by effectively rewriting a paragraph using the standard written conventions of American English. To accomplish this assignment, you apply the rules and skills taught in the first four study

33. ## HCM621

As the health care industry evolves and changes so do the legal and ethical issues that its employees face. An employee of the facility you have chosen to study this term has come to you with a question. He has heard a lot about issues the organization is

34. ## physics

The last car unfastens from a moving train. The train continues to move at the same constant speed. What is the ratio of the paths covered by the train and car up to the moment of the car’s stop? Assume that the car decelerates uniformly. Solve this

35. ## bryce

can someone help me write out these expressions? 4 more than p: product of c and 15: the quotient of n and e: The quotient of 17 and k: 23 less than x: the sum of v and 3: the sum of 9 and k minus 17: 7 more than 5 times n: 85 less than the product of t

36. ## sociology

U.S. Civil Service Commission, what polices would you propose to reduce radical ethnic strife in the U.S.

37. ## math

Determine the regular payment amount, rounded to the nearest dollar. The price of a home is \$160,000. the bank requires a 15% down payment. The buyer is offered two mortgage options: 1 year fixed at 8% or 30-year fixed at 8%. Calculate the amount of

38. ## Economics/ Free Enterprise

What does thinking at the margin mean? Also what is the purpose of a decision grid?

39. ## physicsHELP!!!

Two trains face each other on adjacent tracks. They are initially at rest, and their front ends are 50 m apart. The train on the left accelerates rightward at 1.05 m/s2. The train on the right accelerates leftward at 0.93 m/s2. (a) How far does the train

40. ## algebra

A boat can travel 114 miles upstream in the same time that it can travel 186 miles downstream. If the speed of the current is 6 miles per hour, find the speed of the boat without a current.

41. ## Economics/ Free Enterprise

What is "Guns or Butter"? Also what is a Production Possibilities curve? I'm a bit confused. Thank you so much whoever is answering this question (:

42. ## physics

Container A is sealed (not open to the atmosphere) filled with water with an unlimited width and depth. Container A consists of Section 1 and 2. The upper part of Container A, Section 1 has 5 feet of air at 21.83 psi Tube B is 80 feet long and full of air

43. ## algebra

jim bought a pair of shoes for \$50 and laces for \$1. if the sales tax is \$7, how much tax must he pay?

44. ## math

use mental math to find each value cost of 8 items at \$12.98 each

45. ## math

classify each statement as sometimes, always, or never true. give examples or properties to support your answer d+ (-d)=0

46. ## Statistics

A study shows that the probability of a baby being born with gene x is 0.6. The probability of a baby being born with gene y is 0.7. (a)What is the probability of being born with both genes assuming that the probabilities are independent? (b)In fact; 90%

47. ## physics

If the tires of the car in previous problem didn’t skid, the coefficient of friction would have been 0.70. Would the force of friction be greater, lesser, or same? Would the car come to a stop in a shorter, same, or longer distance?

48. ## Math

Can someone please go over the steps to solve this problem? I know I need to find where the tugboat intersects the radar but I'm not sure exactly how to do this. A radar buoy detects any boats within a radius of 12 miles. A tugboat starts at a location 18

49. ## Math

Last month you made long-distance calls to two of your friends. One call lasted 8 min longer than the other. According to the phone bill,the two calls lasted a total of 42 min. How long was each call?

50. ## Math

Your cousin is 26 yr older than your sister. The product of their ages is 560. How old is your sister?

51. ## English

I need to know whether I have at least five adjectives and five adverbs in this paragraph. I am really struggling with this. I understand what adverbs and adjectives are, I am just having trouble writing a paragraph where I have to insert them! One of the

52. ## physics

The driver notices that the rain leaves no trace on the back windshield of his car slanted at a 60° angle to the horizontal when the car is moving faster than 30 km per hour. Find the velocity of rain droplets.

53. ## maths/physics

Two objects are thrown simultaneously from the same height at 45° angles to the vertical with a speed of 20 m per second; one up, the other one down. Find the difference between the heights the objects will be at two seconds later. How are these objects

54. ## Math

This question is about equations reducible to quadratics: Gerald hits his golf ball down the fairway. The path the ball followed was parabolic in shape with the relationship: h=2d-1/30d^2 where h is the height above the ground of the golf ball when it is a

55. ## algebra

Does the function y = 2^x ever cross the x-axis? Explain why or why not

56. ## Geometry

OMG! I HAVE A BUNCH OF PATTERNS AND I DON'T KNOW HOW TO SOLVE THEM! THINGS LIKE 61, 52, 63, 94... what the poop? help!

57. ## trig

i can not figure out how to write the complex number in rectangular form the question is 4(cos 5Pie/6 + i sin 5 pie/6)

58. ## conics

Explain which conic section this equation and explain how to solve it: 12x^2-18y^2-18x-12y+12=0

59. ## MATHS help plizzz

A spherical balloon is being inflated and its radius is changing at the rate of 2m/minute. When the radius is 4m, find the rate at which the: (a).volume is increasing V= 3/4 pie r^2 (b). surface area is increasing A = 4 pie r^2

60. ## science

two balls of same size but of different material ,rubber and iron are kept on the smooth floor of a moving train.the brakes are applied suddenly to stop the train .Will the balls start rolling ?If so,in which direction ?Why they move with the same speed

61. ## chemistry

N204 (l) Delta Hf (kJ/mol) = -20 E cell S (J/mol.K) = 209 N204(g) Delta Hf (kJ/mol) = 10 E cell S (j/mol.k) = 304.1 Given the following data, determine the temperature at which n2o4 (l) and n204 (g) can exist in equilibrium? a. 42 C b. 3 C c. -231 C d. 30

62. ## Statistics

The turnover (in millions of pounds) for 8 train companies and 8 coach companies are given below. Train 4.3 13.2 134 88 92 66.5 122.1 102 Coach 2.2 31 44 72 19 89.3 55.9 43.1 (a)Using an appropriate statistical test determine whether train companies or

63. ## English

This is from the book Nothing but the truth by Avi. The question is: After reading the memo in chapter 6, what do you think is the most important issue to the superintendent right now? Please read below to and tell me what you think the answer is because

64. ## englis

Write 3–4 sentences to your best friend describing what you did today using the natural language you would use to talk to your friend. Then, write to your boss and tell him/her about the same event you described to your friend. Compare the verb choices

65. ## ENGLISH-COM 155

Do I have five adverbs and five adjectioves in this paragraph? When I got my first white car, I was very excited! My mother and father often feared that I would default on my loan, which I did. I was not very experienced, and did not do my homework like I

Ms. Goldfarb has 12 turquoise beads and 3 times as many amber beads. She is making 8 pins with the same number of beads on each pin. How many beads will be on a pin?

67. ## Calculus 1, Help!

The rate of transmission r in a telephone cable is obseed to be approximately r(x)=x^2*ln(1/x, where x is the ratio of the radius of the core to the thickness of the insulation. Due to manufacturing constraints, the only possible ratios are 1/4

68. ## maths/physics

A plane is flying in a straight line at an unchanging height and unchanging speed. The pilot must drop an object onto a target in front of the plane. At what angle must the pilot see the target at the moment of dropping the object? At that moment, what is

69. ## algebra

Two drivers travel 150 miles on a freeway and then stop at a wayside rest area. The first driver travels 5 miles per hour faster and arrives 1/7 hour ahead of the second. Find the average speed of each car.

70. ## physics

A wagon with a width of 2.4 m, moving at a speed of 15 m per second, was shot through by a bullet perpendicular to the movement of the wagon. The distance between the two bullet holes in the wagon’s walls is 6 cm. What is the speed of the bullet?

71. ## math

Which is steeper, y = 4x+ 5 or y = - 5x - 2 ?

72. ## english

Pretend that you writing to the editor of your local newspaper. Your purpose is to convince its readers that rather than solely relying on e-mail, people should mail a letter to their loved ones every now and then. Following is your first draft. Every now

f(x)=15x + 4

74. ## Math

Is this a true statement and what are the steps to figure it out? 5x-3y=15:(0,5)

75. ## Medical Laws & Ethics

Describe the role of the health information management technician in the judicial process.

76. ## math

if i bought a car for \$18,500 and price was 35% off what was original price and how do I do the math

77. ## math

if i bought a car for \$18,500 and price was 35% off what was original price and how do I do the math

78. ## calculus!URGENT

Show that the tangent line to the curve y=x^3 at the point x=a also hits the curve at the point x=-2a. Any help?! PLEASE!

79. ## physics

Water is shooting at the same speed out of the three tubes placed on the ground at different angles of 60°, 45°, and 30° to the horizon. Find the ratio of the greatest heights the streams can reach and the ratio of distances from the mouths of the tubes

80. ## math (repost)

Question: Can MSI (1000 sq inch) be converted into "linear feet"? Answer that was given: Yes, 1MSI = 6.94 ft In a previous post I was told to divide 1000 by 144, but won't that just leave me with 6.94 sq ft? I'm still a bit confused by this, can some one

How do educational philosophies and theories affect the statement of purposes and goals, curriculum, instruction, and values?

82. ## literary

In your post, summarize the major similarities and differences between the forms of drama, poetry, and the short story.

83. ## Math

Hi. So we had a long test with this question.. I was wondering how to solve it? Coz our teacher didn't discuss the answers.. and most probably we'll have the same type of question during midterms.. Find the Solution Set 9/|2-5x| - 4/y^2-3y = 5 2/|2-5x| +

84. ## Math

another question, im so confused!D: it says: Define variables and write an EQUATION for each phrase: 1.)The total cost is the number of cans times 0.70. Let ___ represent total cost and let ____ represent # of cans. __________________

85. ## Math

Go to: //mmpc.svsu.edu/54thMMPC-PI-Test.pdf Can you explain why number 12 is D?

86. ## math

x + y = 4 2x - 3y = -2

87. ## Math

Simplify 1 over [(cube root 2) + 1]

88. ## Music

I'm doing an independent study plan for music and I really need some suggestions for choosing the right subject that will be fun and interesting for a class to learn about. Could I please have some suggestions? (Something to do with the voice or piano

89. ## chemistry

What causes the calcium and ATP concentrations to decrease?

90. ## Quimica

No se nombrar este compuesto lo necesti urgente no lo encuentro en ningun lado es: 2RbBr(s) como se llama?

variety

92. ## Statistics

3.The lifespan of 300 Giant turtles is found to follow a Normal distribution ~ N(70,144). (a)What is the standard error for this sample’s mean? (b) What is the probability of a turtle living more than 85 years? (c)What is the probability of a turtle

93. ## Calculus :)

find y'(x) if x^y=y^x

94. ## Calculus

I'm studying infinite series and am really struggling with memorizing all the tests for convergence in my book, there's like 10 of them. I don't think I'm going to be successful in memorizing all of them. I will never be asked in my course to use a

95. ## chemistry

Can some nice chemist explain to me the system of naming compounds with roman numerals? Also while they are here, tell me exactly the difference between molecules and compounds. Thanks!

96. ## math

cotxcot2x-cot2xcot3x-cot3xcotx

97. ## Latin

Hey I need help finding the English meaning of each of these Latin words. 1 habeo to have 2 3 habemus 4 5 habes 6 you have 7 habetis 8 9 habet 10 11 habent 12

98. ## history

what were some social, political, and economic changes resulting from the hundred years war? And how did the war begin?

99. ## Free Enterprise

I'm not clear on the purpose of a decision grid. I know it's most likely common sense but is it just used for considering your options and comparing them in columns or does it have a purpose beyond that?

100. ## writing

Is "a newborn kitten" considered a complete subject?

101. ## statistics

why is the range 31.57 - 34.03 is not a good choice for class boundaries?

102. ## statistics

what type of datat must you collect for a t test and why?

103. ## statstics

Considering that a researcher can test at the

104. ## geometry

since segment KL and segment LM are congruent, set up an equation to solve for x. What is the value of x? K (5x-4) L (3x+12) M

105. ## social studies

how do you find out what century a certain year is in?

106. ## math

a cube is expanding and its volume is increasing at the rate 96 cubic centimetres/second when the side is 4 cm.Find the rate at which the: a.side is increasing when the side is 4 cm b.surface area is increasing when the side is 4cm V= x^3 A= 6x^2

107. ## Math

Use the 5 steps to solve this problem. Paint Express charges \$30 per gallon of paint plus \$1.10 per square fooet of wall space. Color Creations charges \$24 per gallon of paint and \$1.20 per square feet of wall space. Robert estimates he wll need 4 gallons

108. ## quantative

Provide one pair of variables that might be related to one another

109. ## Mediation

How does a human services worker integrate the use of mediation, or third party neutrality, when he or she also serves as an advocate for the client and is an employee of the agency

110. ## Mathematics

1. make p the subject: p/p-3= R 2. make R the subject a= 1- 1/R

111. ## Lab Porcedures

A small sample taken from the body and placed on a medium to allow bacteria growth is a A. profile B. culture C. serum D. specimen Is B correct

112. ## math

how to solve (1/291 - 1/x)

113. ## algebra

x+4>9 how do you solve this, and graph?

114. ## St. Mary's College

I arrived on Barbados on 12/09/99