# Questions Asked onOctober 26, 2007

1. ## College Physics

A fisherman notices that his boat is moving uo and down periodically, owing to waves on the surface of the water. It takes 2.5 s for the boat to travel from its highest point to its lowest, a total distance of 0.62 m. The fisherman sees that the wave

2. ## College Physics

Tarzan spies a 35kg chimpanzee in severe danger, so he swings to the rescue. He adjusts his strong, but very light, vine so that he will first come to rest 4.0 s after beginning his swing, at which time his vine makes a 12 degree angle with the vertical.

3. ## calculus

An automobile computer gives a digital readout of fuel consumption in gallons per hous. During a trip, a passenger recorded the fuel consumption every 5 minutes for a full hour of travel. time: 0 / gal/h: 2.5 time: 5 / gal/h: 2.4 time: 10 / gal/h: 2.3

4. ## College Physics

A certain transverse wave is described by the equation y(x,t) = (6.50 mm)sin2pi((t/0.0360 s)-(x/0.280m)) Determine the wave's (a) amplitude (b) wavelength (c) frequency (d) speed of propagation and (e) direction of propagation

5. ## Physical Science

If a 1500 kg car is moving 20.0 m/s is brought to a stop by brakes. How many kilocalories of heat are generated in the process? Please include the formula that I should use to find the answer. -Thanks

6. ## College Physics

As part of an exercise program, a 75 kg person does toe raises in which he raises his entire body weight on the ball of one foot. The Achilles tendon pulls straight upward on the heel bone of his foot. This tendon is 25 cm long and has a cross sectional

7. ## Calc-Based Physics

The distance between two telephone poles is 50.0 m. When a 1.00-kg bird lands on the telephone wire midway between the poles, the wire sags 0.200 m. Draw a free-body diagram of the bird. How much tension does the bird produce in the wire? Ignore the weight

8. ## Chemistry

what is the balanced formula equation, complete ionic equation, and net ionic equation FeSO4(aq) + KCl(aq)

9. ## Biology

Why would a washing powder of high pH or low pH be difficult to handle?

10. ## math

actually, in a addition to the question i posted a few minutes ago, can someone please help me with a few actual specific questions? thanks so much i'm very confused and i've been working on these all day. *Literal Equations* ~solve for x ax + bx = 8ab

11. ## english

Well our english teacher wants us to create a flyer. Does anyone have any idea how that's done.

Solve the equation by expressing each side as a power of the same base and then equating exponents. 9^(x - 9)/8= sqrt of 9 i got 13 4^(x + 10) = 8^(x - 6) i got 38 Solve the exponential equation. Express the solution set in terms of natural logarithms.

13. ## Geometry

Which best describes the relationship between the lines with equations -16x+2y=0 and -x-8y=-2? a. neither parallel nor perpendicular b. parallel c. same line d. perpendicular

14. ## Logs.

Can you please help me with the following log. problems? thanxs! Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution. 7^x = 6^(x + 7) this is how far I got: x log 7/x log 7=

15. ## geometry

Write the slope intercept form of the equation of the line passing through the points (-2,4) and are perpendicular to the line y=-3x+3.

A converging lens has a focal length of 0.060 m. An object is located 0.020 m to the left of this lens. A second converging lens has the same focal length as the first one and is located 0.100 m to the right of it. Relative to the second lens, where is the

17. ## algerbra

Pick a country of your choice that is experiencing population growth. Using the Library, web resources, and/or other materials to find the most recent population count of the country you have chosen and the population growth rate of that country. Use that

18. ## financial mang.

This is my problem i have to figure out can anyone talk me through this? I don't just want a answer i want to know how you come up withthe answer so i can learn from it. Last year Rattner Robotics had \$5 million in operating income (EBIT). The company had

19. ## algebra homework

please check my answers. Solve the logarithmic equation. Be sure to reject any value that is not in the domain of the original logarithmic expressions. Give the exact answer. ln sqrt x+6 = 9 i got {e^9-6} log (x + 4) = log (5x - 5) i got: 9/4 log (x + 30)

20. ## math

jon spent 1/2 of his study time doing math homework and 2/7 proparing for a history exam. Waht fraction of his study time remains?

21. ## College Physics

An object is suspended from a spring and vibrates with simple harmonic motion. At an instant when the displacement of the object is equal to one-half the amplitude, what fraction of the total energy of the system is kinetic and what fraction is potential?

22. ## Physics

This question makes no sense to me. . . A 100-watt lamp glows brighter than a 25-watt lamp. What do you know about the resistances of these two lamps? ???? That they have different watts...thats all I can think of. Physics is not my strong subject.

23. ## ECON-one was wrong?

My prof says only a was right at 100 billion, but b, c, and d were wrong?? I appreciate the help anyway cause she was on vacation. I have posted the answers she got.... 2. The goverment raises taxes by \$100 billion. If the marginal propensity to consume is

24. ## calculus

Help! I have a test tommorow! I don't understand (b), (c), (e), and (g). The answers are listed following the each question. Here's a discription of the graph: There is a graph of a function f consists of a semi circle (-3 to 1 faced downward on the

25. ## Algebra II

Solve this system using matrices. 3.7x - 2.3y + 4.2z = 8 2.6x + 4.6y - 3.9z = 10 8x + 2z = 20

26. ## exponential equation-Algebra

Solve the exponential equation. Express the solution set in terms of natural logarithms. 4^(x + 4) = 5^(2x + 5)-This question I don't understand.

27. ## Physics

How do i do this ? ? ? : Suppose you have collected the data shown below for the circuit in Figure 1. Voltage is measured across the resistor. Current is measured through the resistor. The exact value of the resistor is 100 Ω. Figure 1. DESCRIBE THE

28. ## S.S.

What are the 6 goals mentioned in the preamble?

29. ## Algebra

Can anyone help with using excel to graph inequalities? I understand the math...just not how to do it on the computer. Thanks!

30. ## Chemistry - Solutions

Do all solutes show an increase in solubility with increasing temperature? Explain.

31. ## S.S.

What was the first government called?

32. ## Art History

I have to write a research paper on my field trip to the Metropolitan Museum of Art in NY, and discuss 8 items in length that we were meant to find in the museum. The only problem I am having is actually starting the paper, I don't want to just jump into

33. ## math/ACT/algebra

If one side of a triangle is 10 inches long, which of the following could NOT be the lengths, in inches, of the other sides? A. 2 & 9 B. 3 & 5 C. 5& 10 D. 10 & 10 E. 10 & 12 I think it might be B but I don't know and I don't know how to figure the answer..

34. ## Chemistry - Solutions2

Explain how ammonium chloride, NH4Cl, is able to dissolve in water.

35. ## geometry

Which is the slope of a line perpendicular to the line 4x-2y=5?

36. ## geometry

Write the slope-intercept form of the equation of the line passing through the point (5,1) and parallel to the line y=-4x-2.

37. ## Someone said its English... but its geometry

Use the following statements to answer questions 2 and 3. I. If it is warm out and does not rain, then i will go to the beach. II. If i order strawberry or cookies and craam ice cream then i will be happy. III. If i go to the party, then i will see Fred.

38. ## S.S.

Where did the Constitutional Convention meet?

39. ## Algebra

Divide using long division or synthetic division. (21x^3 - 7)/(3x - 1) Just wondering, how would you solve this problem using synthetic division?

40. ## Math

how to estimate with 1-digit divisors

41. ## Geometry again

Write the slope-intercept form of the equation of the line passing through the point (5,1) and parallel to the line y=-4x-2.

42. ## geometry

Use the following statements to answer questions 2 and 3. I. If it is warm out and does not rain, then i will go to the beach. II. If i order strawberry or cookies and craam ice cream then i will be happy. III. If i go to the party, then i will see Fred.

43. ## Bio.

Hi If an enzyme works best at a pH of 7.5 , would this likely to be that it works at a slightely alkaline condition because it has a low teperture and from this it is used in washing powders

44. ## Earth Science

Compare the classification of minerals with the classification of rocks.

45. ## physics

Could someone tell me if this is right? The voltage across a 10-ohm resistor carrying 3 amps must be E=I*R == E=3*10= 30 volts

46. ## human resources management

how emotional and physical aspects of a person’s life can influence the employee’s effectiveness in the work environment

47. ## calculus

Solve for x: S(0 to x) (t^3-2t+3)dt=4 I got a different answer from the back of the book. The back of the book said that x=1.63052 or x=3.09131. How am I suppose to solve this using a calculator?

48. ## Algebra

Divide using long division or synthetic division. (21x^3 - 7)/(3x - 1) Just wondering, how would you solve this problem using synthetic division?

49. ## Chemistry - Solutions3

Why do you think there is such a big difference in the solubility of different solids in water?

51. ## S.S. Repost for Brittani

S.S. - Brittani, Friday, October 26, 2007 at 5:47pm Where are charges for the impeachment made?

52. ## math.algebra

I need help with this last math problem i have: Using the properties for radicals to simplify, assuming all variables represent positive real numbers. square root 12x^3/5

53. ## math/algebra

I'm doing ACT prep and I am not sure how to do this problem... f(x) = 3x2(2 hould be subscripted to make it squared) -5 for all real numbers x. What is f(-4)?

54. ## math/ACT/algebra

If one side of a triangle is 10 inches long, which of the following could NOT be the lengths, in inches, of the other sides? A. 2 & 9 B. 3 & 5 C. 5& 10 D. 10 & 10 E. 10 & 12 I think it might be B but I don't know and I don't know how to figure the answer..

55. ## English

What word fits better in the following sentence: To the __________ of many taxpayers, some citizens seem to cheat the government with impunity. A)perfunctory B)preverse

56. ## Physics

If a person jumped off the side of a ship from 20 feet high what speed would they be travelling at when they impact the water? Thanks Mike

57. ## maths

factorise the following equation 680x3-1407x2-614x+285 where x2 x3 mean x to the power of

58. ## Vagal Inhibition

Ref my previous question. The term was used recently on a Sea Survival course I attended. The suggestion was that when a person entered cold water having jumped from a ship and inhaled the cold water due to involuntary gasping reflex they could then succum

59. ## math

what does it mean when you are solving an equation, and, the variable that you are trying to solve for cancels itself out?

60. ## human services

How reliable is the TANF with funding programs?

61. ## S.S.

How many states had to approve the Constitution before it passed?

62. ## S.S.

How many Representatives are in Congress?

63. ## religion

Hi. I handed out a survey for a science class and I had to collect demographics. One of the demographic questions was asking about students' religion. Two students said they were agonists. What is an agonist? Is agonism really a religion? I was looking on

64. ## Biology

Please can someone explain the term "Vagal Inhibition" Thanks Mike

65. ## English expression

1. I applied a kiwi pack on my face. 2. I applied a pack on my face to protect my face. ======================================= Are both sentences correct? Do we have to add 'a' or remove 'a'?

66. ## cultural iversity

Which example typifies patrillineal authority? A) In the Gallindo family,the mother makes the majority of the decisions, including how the children should be raised and,when necessary,disciplined. B) The Smith family consist of a mother and a father and

67. ## Algebra II

What are the dimensions of the answer if you multiply a matrix with the dimensions 3 x 0 by a matrix with dimensions 0 x 3?

68. ## AP US History

Where can you find sources of the women's movement during the 2nd Great Awakening?

69. ## S.S.

What war won independence for the U.S.?

70. ## S.S.

When did the Constitution go into effect?

71. ## Calculus

Differentiate each function 34. [(x^2 + x)/(x^2 - x)]^1/2 My answer: [(-2x^2)]/[(x^2 + x)^1/2 * (x^2-x)^3/2] The book's answer is: [(-1)] / [(x-1)^3/2 * (x + 1)^1/2]