# Questions Asked onJune 24, 2013

5. ## Chemistry

Draw the product of the hydration of 2-butene.

21. ## Physics (Stress & Strain)

What is the factor of safety for a steel hanger having an ultimate strength of 70000N per cm^2 and supporting a load of 87500N. The hanger has a cross sectional area of 5cm^2. Factor of safety = ultimate stress/ allowable stress = 70000/87500 = 0.8 Have I

22. ## physics

a box of mass 5.7 kg slides across a floor and comes to a complete stop. if its initial speed was 10km/h and mu = 0.34 find the acceleration of the box

23. ## ITT

The time spent (in days) waiting for a heart transplant in two states for patients with type A+ blood can be approximated by a normal distribution, as shown in the graph to the right. mean of =128 Standard deviation of=23.3

Jungle Jim owes three debts: $500 due in one year plus interest at 6% semi-annually,$2000 due in two years, $1000 due in three years plus interest at 5% compounded monthly. He wishes to discharge these debts by paying$500 now and two equal but unknown

25. ## Economics

7. Fortune magazine reported that SkyWest, an independent regional airline, negotiated a financial arrangement with Delta and United to provide regional jet service for the two major airlines. For its part of the deal, SkyWest agreed to paint its jets the

26. ## Chemistry 2

If 1.0 mL of an unknown liquid was added to a flask instead of 6mL, would that change the calculated molar mass of the unknown liquid?

27. ## Chemistry 2

If 1.0 mL of an unknown liquid was added to a flask instead of 6mL, would that change the calculated molar mass of the unknown liquid?

28. ## Economics

If firm has a short run demand and cost schedule of Q=200-5P and TC=400 +4Q, what is the price the firm should sell the product for?

29. ## math

A brick wall measuring 3 ft by 11 ft is to be built. The brick measures 4in by 6 in. How many bricks will it take to complete the walkway? math - Ms. Sue, Monday, June 24, 2013 at 2:39pm Are we building a wall or a walkway? math - iris, Monday, June 24,

30. ## Chemistry

Bulb A is 100 mL and contains Helium at 1 atm. Bulb B is 500 mL and contains Argon at 2 atm. The bulbs are connected together by a valve. What is the pressure of gas A after the valves are opened? (assume constant temperature)

31. ## physics

Scientists are experimenting with a kind of gun that may eventually be used to fire payloads directly into orbit. In one test, this gun accelerates a 9.7-kg projectile from rest to a speed of 6.5 × 103 m/s. The net force accelerating the projectile is 8.0

32. ## physics

A mass accelerate uniformly when the resultant force acting on it is what?

38. ## statistics

Could someone work a problem like this one, for an example. Complete the hypothesis test with alternative hypothesis ìd < 0 based on the paired data that follow and d = M - N. Use á = 0.02. Assume normality. M 49 67 45 57 57 48 N 57 68 47 60 64 55 (a)

39. ## math

You have seven balls labelled 1,2,…,7 and seven unlabelled, indistinguishable boxes. How many different ways can the balls be placed into the boxes? Details and assumptions Since the boxes are indistinguishable, putting all 7 balls into one box is the

40. ## physics

High-speed stroboscopic photographs show that the head of a 208 g golf club is trav- eling at 27.9 m/s just before it strikes a 45.9 g golf ball at rest on a tee. After the collision, the club head travels (in the same direction) at 20.1 m/s. Find the

41. ## Algebra

A merchant has coffee worth 3dollars a pound that she wishes to mix with 3 pounds of coffee worth 9dollars a pound to get a mixture that can be sold for 6dollars a pound. How many pounds of the 5 dollar coffee should be used?

Please check: 1. What do you believe are essential qualities a leader must possess? - I believe the essential qualities a leader must possess are to set a vision and to be able to lead. A leader must be able to set a vision to seek for improvement and to

43. ## physics

A small coin is inside a bowl. The bowl is a surface of revolution of the curve y=100x^4 m^-3. This coin slides around the inside of the bowl at a constant height of y=0.01 m above the bottom of the bowl. What is its angular velocity in rad/s? Accel due to

44. ## physics

A uniform meterstick pivoted at its center has a 80.0g mass suspended at the 28.0cm position.At what position should a 80.0g mass be suspended to put the system in equilibrium?What mass would have to be suspended at the 90.0cm position for the system to be

45. ## physics

A satellite moves in a circular orbit around the Earth at a speed of 5 km/s. Determine the satellite’s altitude above the surface of the Earth. Assume the Earth is a homogeneous sphere of radius 6370 km and mass 5.98 × 1024 kg. The value of the

46. ## goverment

America’s founders envisioned a _________________________ that was closer to the government of ancient Athens than to the political system found in America today

47. ## Precal

Verify the identity: sin^(1/2)x*cosx - sin^(5/2)*cosx = cos^3x sq root sin x I honestly have no clue how to approach the sin^(5/2)*cosx part of the equation

53. ## math

How many ordered positive integer triples (x,y,z), such that 1 ≤ x,y,z ≤ 25, are there to √x+√y=√z?

54. ## physics

A(n) 86.6 kg person throws a(n) 0.06 kg snow- ball forward with a ground speed of 42.3 m/s. A second person, of mass 41.5 kg, catches the snowball. Both people are on skates. The first person is initially moving forward with a speed of 2.06 m/s, and the

55. ## math

the square root of 0.0256/25

56. ## science

how to make a problem about butterfly, using the scintific method

PLS HELP, BEEN STUCK FOREVER ON TWO QUESTIONS, THIS IS ONE : There are usually no costs for the first 3 years, but thereafter maintenance is re- quired for restriping, weed control, light replacement, shoulder repairs, etc. For one section of a particular

58. ## Physic (Stress & Strain)

A uniform bar 1.900m in length and having a cross sectional area of 11.000cm^2 is subject to a loading of 5450.000N. this load causes an extension to the bar length of 2.420mm. Calculate the stress and the strain produced. Area = 11.000cm^2 = 11*10^-3m

59. ## Physics (Stress & Strain)

A steel bar has a rectangular cross section measuring 1.000cm by 2.500cm and is 8.100m in length. A load of 150000.000N causes the bar to extend 2.000mm. Calculate the stress and strain. Area = l*w = 1.000cm*2.500cm = 2.500cm = 0.025m = 0.025m*8.100m =

60. ## Eng/102

I need help with Create a full-sentence outline that includes effective arguments and counterarguments to support your thesis. Outline only the body of your paper. Remember to avoid bias and fallacies and to include rhetorical devices that strengthen your

61. ## Math 61 part 2

Find the centriod of the boundEd by the curvez y=x^2 and y=2x+3

62. ## Physics

A tennis player hits the ball horizontally with a speed of 30m/s at 1.5m above the ground. How far away will it land if the ball was hit at a speed of 35m/s

The motion of a spring that is subject to dampening (such as a car's shock absorber)is often modeled by the product of an exponential function and a sine or cosine function. Suppose the equation of motion for a point on such a spring is

if I deposited \$625 in a retirement account per month and it had a return of 3.84% a year compounded monthly. How much will I have in my account in 15 years?

65. ## Physics

An object whose mass is unknown is held by two rigid rods. The whole system is at rest. The angle between the vertical direction and the left rod from point A to B is 60 degrees. The angle between the vertical direction and the right rod from point C to D

66. ## Physics

A 100-watt lamp glows brighter than a 25-watt lamp. What do you know about the resistances of these two lamps?

6x __ 12x

68. ## Math

There are 100 runners, each given a distinct bib labeled 1 to 100. What is the most number of runners that we could arrange in a circle, such that the product of the numbers on the bibs of any 2 neighboring runners, is less than 1000?

69. ## math

What is the sum of all possible real values of x, such that there exists a real value y which satisfies the equation (x+y−40)^2+(x−y−18)^2=0?

70. ## Physics

The bond between protons and neutrons inside the atomic nucleus is formed by the strong interaction. In classical terms, we can think of it as protons and neutrons exchanging a "meson," a kind of fundamental particle between them. Let's estimate the range

I'm having trouble with this question: What do you think your strengths are as a leader? How may these strengths support your work in the career field you are considering?

72. ## summery

how do u write a summery

73. ## math

A brick wall measuring 3 ft by 11 ft is to be built. The brick measures 4in by 6 in. How many bricks will it take to complete the walkway?

74. ## math help

Find the 95% confidence interval for the difference between two means based on this information about two samples. Assume independent samples from normal populations. (Use conservative degrees of freedom.) (Give your answers correct to two decimal places.)

75. ## algebra

I have no idea totally lost haven't done any type of math in almost 30 years f(x)= x^4-x^3-7x^2+x+6 all the real roots are bounded by -3 and 4. Explain why these are the upper and lower bounds

76. ## math

y+3x^2=2 f(x)= f(4)=

77. ## goverment

Forming a strong political _________________________ without forming an equally sound understanding of politics could lead to making unwise choices in the voting booth.

78. ## MATH

6+(4X7/14-1)=7

79. ## Physics

A tennis player hits the ball horizontally with a speed of 30m/s at 1.5m above the ground. How far away will it land if the ball was hit at a speed of 35m/s

80. ## government

The _________________________ created new religious systems that were not bound to the government.

81. ## English

1. I got A on the math test. 2. I won A on the math test. (Are both grammatical?)

82. ## health

Skeletal muscle fibets are striated and each acts _of the neighboring muscle fibers

83. ## College Algebra

how do I find a 4th degree polynomial that has zeros; i,3i with f(-1)=60 I know the conjucants are -i and -3i (x-i)(x-3i) (x+i)(x=3i)

84. ## nau

5. (TCO 9) You have been tasked with analyzing an extremely large amount of data and to ultimately produce a report to share with the board of directors. The data is currently in a text file and has over two thousand records of data. Explain how you would

85. ## math

Let A=(0,0), B=(2,4), C=(17,4) and D=(15,0). Then ABCD is a parallelogram. A line through the point (0,−1) divides the parallelogram into two regions of equal area. The slope of this line can be written as a/b where a and b are positive coprime integers.

86. ## statistics help

Complete the hypothesis test with alternative hypothesis ƒÊd ‚ 0 based on the paired data that follows and d = O - Y. Use ƒ¿ = 0.01. Assume normality. Oldest 188 174 192 196 65 Youngest 186 168 199 199 69 (a) Find t. (Give your answer correct to

87. ## English

need complex sentence with cordinate& subordinate

88. ## math

my number has 7 tens and 6 ones. my hundreds digit is the highest of all digits. what is my number?

89. ## physics

The acceleration of a bus is given by $$a_{x}(t)= \alpha t$$, where $$\texttip{\alpha}{alpha}$$ = 1.10$${\rm m/s^3}$$ is a constant.

90. ## philosphy/Critical Reasoning

any help with evaluating an article called nightmare in Green by jarret B. Wollstein

91. ## physics

1)Why does acceleration at any instant does not depend upon velocity at any instant?

92. ## physics

1)Why does acceleration at any instant does not depend upon velocity at any instant?

93. ## physics

1)Why does acceleration at any instant does not depend upon velocity at any instant?

94. ## Physics

A small coin is inside a bowl. The bowl is a surface of revolution of the curve y=100x^4 m^-3. This coin slides around the inside of the bowl at a constant height of y=0.01 m above the bottom of the bowl. What is its angular velocity in rad/s? Accel due to

95. ## physics

A thin charged loop with a charge q>0 (uniformly distributed) and mass m is placed on a ramp which forms and angle α=45∘ with the horizontal. Due to the presence of an external homogeneous magnetic field of magnitude B directed into the page, the loop

asked by I love physics !
96. ## Math

(4k exponent2) exponent5

97. ## Math

The sequence {an} satisfies a0=1,a1=213, and an=2an−1+an−2 for all n≥2. Let S=∑i=1 to infinity a[i-1]/(a[i]^2-a[i-1]^2) What is the value of 1/S

98. ## Psychology

Verbal skills and muscular coordination have been observed to improve in women when: A. estrogen levels are relatively high. B. they are exposed to experiences requiring high level skills. C. pressure to perform is reduced. D. calcium levels are increased.

99. ## statics

A bag contains 4 balls, each of which have a positive integer written on it. Let X be the random variable of the value written on a single ball drawn from the bucket. If E[X]=8, what is the maximum possible value of E[X^2]?

100. ## geometry

ABC is a triangle with AC=139 and BC=178. Points D and E are the midpoints of BC and ACrespectively. Given that AD and BE are perpendicular to each other, what is the length of AB?

101. ## ITE

If you drag a file into a compressed folder, it is ________ to that folder.

102. ## ITE

Zipping files creates a new ________ on your hard disk

103. ## Math-algebra-Steve

The sequence {an} satisfies a0=1,a1=213, and an=2an−1+an−2 for all n≥2. Let S=∑i=1 to infinity a[i-1]/(a[i]^2-a[i-1]^2) What is the value of 1/S?

104. ## math

89___89 the second 89 has a solid line on top of the number. Is this equal or greater than or equal to 89 without the line

105. ## algebra

how do I find the relative maximum and minimum values of x^4-x^3-7x^2+x+6

106. ## Math

Find the area inside the lemniscate r^2=150cos(2theta) and outside the circle r=5sqrt(3). Please I really need help.

107. ## math

The law of cosines can't be used when which of the following combinations of information is given?

108. ## Physics (Stress & Strain)

A hole 3cm in diameter is to be punched out of a steel plate 8cm thick. The shear stress of the material is 670GPa. What load is required on the punch? First find the area: A = pi*d^2/ 2 = 3.1416 * 3cm^2/ 2 = 3.1416 * 9/ 2 = 28.2744/ 2 = 7.0686cm Stress =

109. ## government

A(n) _________________________ differs from a direct democracy in that only a small number of elected representatives actually vote on a specific issue.

110. ## Physics

A tennis player hits the ball horizontally with a speed of 30m/s at 1.5m above the ground. How far away will it land if the ball was hit at a speed of 35m/s

111. ## Physics

One of the proposed mechanisms for the lift of an aircraft is the pressure difference that develops due to the aerodynamic shape of the wings. Higher pressure develops bellow the airplane which lifts it up. Suppose you have a semi-circular wings with

112. ## government

According to John Locke, citizens give up some personal liberty as part of their _________________________ with government

113. ## Math

Solve x+y=-1 X-y=-7

114. ## Physics

A tennis player hits the ball horizontally with a speed of 30m/s at 1.5m above the ground. How far away will it land if the ball was hit at a speed of 35m/s

115. ## algebra

solve x^4-8x^3+64x-105=0 given that 2-i is one solution. must be tired cause my steps are not calculating correctly

116. ## physics

what is the potential energy of a 500g flag at the top of a 5.5m tall flag

117. ## Physics

A weather balloon carrynig a data measurement(DM) is rising quickly at a constant velocity, U. when its 60m above ground, balloon pops and the dm experiences freefall. It reaches ground 4 seconds after the balloon pops. If DM set hits ground at speed

118. ## Economics

6. An article in The Wall Street Journal reported that large hotel chains, such as Marriott, are tending to reduce the number of hotels that they franchise to outside owners and increase the number the chain owns and manages itself. Some chains are