# Questions Asked onJune 8, 2012

1. ## Math

a man 6ft tall walks at the rate of 5ft/sec toward a streetlight that is 16ft above the ground. At what rate is the length of his shadow changing when he is 10ft from the base of the light?

Identify the unknown particles X and X' in the following nuclear reactions. (In parts (a) and (b), enter only the missing product or reactant.) A) X + 4over2 HE -> 24over12 Mg+1over0 n B) 235over92U+1over0 n -> 90over38Sr+X+2and 1over0 n

3. ## Math

a light shines from the top of a pole 50ft high. a ball is dropped from the same height from a point 30 ft away from the light. how fast is the ball's shadow moving along the ground 1/2 sec later? (assume the ball falls at a distance of s=16t^2 in t sec)

4. ## Physics(Please check)

A uniform plank of length 5.0 m and weight 225 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support (see the drawing). To what distance x can a person who weighs 404 N walk on the overhanging part of the plank before

5. ## Chemistry

Consider the following unbalanced equation. H1+(aq) + Fe(s) H2(g) + Fe2+(aq) What is the balanced oxidation half-reaction? What is the balanced reduction half-reaction? What is the balanced overall cell reaction?

6. ## math

A superball is dropped from a height of 2 m and bounces 90% of its original height on each bounce. (a) When it hits the ground for the eighth time, how far has it traveled? (b) How high off the floor is the ball on the eighth bounce?

7. ## Physics :)

John and Joan walk in opposite directions around a circular path, starting from the same point. The path has a radius of 50.0 meters. John walks at 1.00 m/s, Joan at 1.25 m/s. How long will it take for them to meet? Can someone please explain this to me?!

8. ## science

which if the following stars is brightest Nova, white dwarf, red giant, or main sequence

9. ## chemistry

In one process of 5.75 kg of CaF2 are treated with an excess of H2SO4 and yield 2.85 kg of Hf calculate the percent yield of hf?

10. ## Chemistry

In what ways are microwave and ultraviolet radiation the same? In what ways are they different?

11. ## Education

Having undertaken a variety of proactive steps to forestall the inclusion of items that might, due to an item's content, have an unwarrantedly adverse impact on students because of any student's personal characteristics, the test-developers then, based on

12. ## geometry

My Flower Basket delivers flowers within a 25 mile radius of their store. If this area is represented graphically, with My Flower Basket located at (4, 3), what is the equation that represents the delivery area?

13. ## Personal Finance

What would be the APR on \$1200.00 if the total interest paid was 75.00 for 36 months. The bank charge a service charge of 12.00 for the loan.

asked by Sheri Zinnel
14. ## Calculus

From each corner of a square piece of cardboard, remove a square of sides 3 inch. Turn up the edges to form an open box. If the box is to hold 300 inch cubed, what are the dimensions of the original piece of cardboard?

15. ## Calculus

Spud McTator climbs his sailboat's mast while anchored. He fires his potato gun. The height of the potato above the ocean is given by: h=0.002X*2+2X=22. Where X is the horizontal distance from the keel of the boat. How far from the keel is the height of

asked by help :)
16. ## Chemistry

A 0.05 N solution of a salt occupying a volume between two platinum electrodes seprated by a distance of 1.72 cm an having an area of 4.5 cm2 has a resistance of 250 ohm. calculate equivalent conductance of a solution

asked by Robin Singh Hayer
17. ## physics need help plz

An arrangement of two pulleys, as shown in the figure, is used to lift a 49.6-kg mass a distance of 3.70 m above the starting point. Assume the pulleys and rope are ideal and that all rope sections are essentially vertical. (a) What is the mechanical

18. ## c0llege math

perform the indicated operations give answer in scientific notation (5x10 to second power) x (5.6 x 10 to the fourth power)

19. ## medu

RM 2000 was invested on 15march 2012. If the simple interest rate offered was 10% per annum, find the interest received on 29 August 2012 using A. Exact time and exact simple interest B. Exact time and ordinary simple interest C. Approximate time and exact

20. ## U.S. GOVERNMENT

1)A government where the executive of the nation comes directly from the legislature is known as a parliamentary government, meaning the legislature decides who the nation's top executive is (although there is often a separate ceremonial head of state).

asked by Booker Perry
21. ## Exercise

What exercises could you still do at 50 years old? Are you working out now? What are you able to do? What about at 70 years old? How are you going to handle injuries? What are preventative measures that you could take? Remember: You must post your own

22. ## write

my question is what obstacles do i have to overcome to succeed?

23. ## Education

A classroom test that measures appropriate knowledge and/or skills is likely to be reliable because of the strong link between validity and reliability. A. Advanced vocabulary B. Double-concept item

7c-4x+45

25. ## child care

in aquiring equipment for a child care facility, you'll most likely

26. ## English

what do impulsive mean?

27. ## math

need help with 20 question for algebra and trigonometry

28. ## algebra

I answered some of the questions but i need help with number 7, 8, and 10. Here is an example of the assignment. I am the current secretary of a horse rescue, in charge of fund raising as well as organization and meeting minutes. We have decided to

29. ## understanding hospital billing

I need 2 CPT codes for this question. I think I have one of them figured out. 16020. I am new at this, and any help would be appreciated. Patient presents to the Emergency Department with a severe burn on the left upper arm. Level I E/M reveals a

asked by Terry Davis
30. ## Art

What is the mood of the sculpture, Discobolus? Hes an athlete, and I don't know how to describe it.. I want to say, concentrated, but I don't think that's a mood.

31. ## physics

Why can a Frisbee (or an aerobie) be thrown so much further than a ball? Comment on the applicability of above for throwing a Frisbee or an aerobie on the Moon

32. ## Chemistry

What is the difference between a heating curve and a saturation curve? Can I get an example of a saturation curve too please

33. ## algebra

Suppose the modified quota is 3.27 Fill in the blanks, and round your answers to two decimal places. (a) Find the lower quota. (b) Find the upper quota. (c) Find the arithmetic mean of the lower and upper quotas. (d) Find the geometric mean of the lower

34. ## English

1. Who is Aibo? 2. He is a robot dog. 3. It is a robot dog. 4. What is Aibo? 5. He is a robot dog. 6. It is a robot dog. (Are the questions and answers all correct? If the robot has a female voice, can we say " She is a robot dog?")

35. ## math

The legs of a right triangle are 3 and 4 units long. Find the lengths, to the nearest tenth, of the segments into which the bisector of the right angle divides the hypotenuse. (Hint: Draw a picture of the triangle, label one segment of the hypotenuse "x,"

36. ## Intermediate Algebra

A gardner wants to create a triangular garden in the shape of a right triangle with shaortest side length x-8y ft and the middle length side x+6y ft. What is an algebraic expression for the area of the garden? Be sure to multiply this out and express in

37. ## Pharmacology

You provide the manufacturer’s recommended dose of an antibiotic, which is 10mg/kg IV for a 100kg patient. You then draw a level 30 minutes after the dose. Assume rapid distribution and neglible clearance/metabolism over the 30minute period between the

38. ## Intermediate Algebra

A school designer wants to create a whiteboard with the optional dimensions to enhance learning. It is determinedd that if one side of the whiteboard is x+2y inches theother side should be x^2+6xy-5y^2 inches. Write an algebraic expression for the area of

39. ## Intermediate Algebra

The area of a rectangular swimming pool is given by 4x^2+19x+12 ft one side length f the pool is given by 4x+3 feet. What is an algebraic expression for the other side of lenght of pool? Simpily this, and include correct units as part of your answer.

40. ## Pharmacology

dose is 10mg/kg IV for a 100kg patient. level drawn at level 30 minutes after the dose. The serum level of this antibiotic returns at 83.3mg/L. What is the volume of distribution of the drug? The goal therapeutic serum level of a is 120 mg/L. How much more

41. ## chemistry

When you add 100ml of a 0.1M HCl solution to 200 ml of 0.4M NaOH solution what is the pH? can you please show detailed work. o don't understand this

42. ## physics

Consider the equation -mv0 +3mv0 = 4mvf. Where m and v0 are constants, Solve for vf. Simplify answer.

43. ## math

A 4'' diameter round pizza with area As and a 12'' diameter round pizza with area Ab. What is the ratio Ab/As? How many times bigger is the larger pizza?

44. ## physics

x=x0+v0t+1/2at^2. Assuming that x0=0, a=2, and x=h, solve for t in terms of initial v and h? x0 mean initial value of x same with v0

45. ## maths

1) if x+1/x=2,then x^2012+1/x^2012=? 2)if A>B>C>D,find the digits A,B,C,D (which are from1 to 9), so that ABCD-DCBA=BDAC. 3)solve:px-qy=r and rx-py=q.

46. ## maths

a boy was employed on the understanding that he was to receive 'p' paise for everyday he worked and 'q' paise for everyday when there was no work for him. after 'd' days his earnings amounted to Rs.'x'.how many days had he worked?

47. ## medical

purpose of an organization chart and what it accomplishes for healthcare organization?

48. ## Management

Critical thinking is very important in making decisions that impact an organization’s growth and survival. Which of the following traits of a critical thinker is essential in this process?

49. ## Art

Ms. Sue, I urgently need you to check this email. Thank you 1) I suppose you received the remaining balance because my bank has already taken the money from my bank account. 2) However, I would be grateful to if you let me know about that all the same. 3)

50. ## Geography

By the early 2000s which country was Taiwan's third largest trading partner?(China),(South Korea). ( U.S.),(Japan)

51. ## Maths

What is the square root of:- a)6889 b)1681

52. ## Economics

1. Why is a high level of subsistence agriculture a characteristic of less developed countries? B. It shows that the country uses less energy. C. It means that more people are unemployed or underemployed. D. It means that there are fewer workers available

53. ## algebra

radicals multiply and simplify by factoring ____ ______ ^3|y^7* ^3|16y^8 unsure how to do root square sign.

54. ## maths

a number which is less than or equal to 150 but if counted in pairs, one will remain if counted in threes, two will remain if counted in fours, three will remain if counted in fives, four will remain if counted in sixes, five will remain if counted in

55. ## resumes

do you guys know of any good FREE resume building sites?

56. ## c0llege math

solve x-2.1=-7.5 would the correct answer be -5.4

57. ## c0llege math

solve 2.3=_-4 2

58. ## Business Law

As company ombudsman, your task is to investigate complaints of wrongdoing on the part of corporate directors and officers, decide whether there is a violation of the law, and deal with the wrongdoers accordingly. Jane, a shareholder of Goodly Corporation,

59. ## c0llege math

solve 2-x=11(x-1) would the correct answer be x=___9 11

60. ## Physics

(a) If the length of the Achilles tendon increases 0.55 cm when the force exerted on it by the muscle increases from 2200 N to 6000 N, what is the "spring constant" of the tendon? N/m (b) How much work is done by the muscle in stretching the tendon 0.55 cm

61. ## physics

A 90Kg box is pushed by a horizontal force F at constant speed up a ramp incined at 28 degrees. Determine the magnitude of applied force when the ramp is frictionless and when the coefficient of kinetic friction is 0.18

62. ## Physics(Please respond)

Some bacteria are propelled by motors that spin hair-like flagella. A typical bacterial motor turning at a constant angular velocity has a radius of 1.9x10-8m, and a tangential speed at the rim of 2.7x10-5 m/s. (a) What is the angular speed (the magnitude

63. ## physics

distance = velocity x time 36m/s x4 =144/2 = 72 d=vt 32 x 6 = 192 distance - 72M + 192M = 264M

64. ## PHYSICS

A CAR ACCELERATES TO 36M/S FOR 4 SECS BEFORE DECELERATING TO 32M/S FOR THE NEXT 6 SECS. CALCULATE THE DISTANCE PLEASE PLEASE HELP

65. ## question

whats that thing called that horses have on their face? it looks like a rope or string of some sort

66. ## Art

I need to interpret the meaning, mood, or idea communicated from the painting, The Second Chinese Horse by Lascaux. Help please.

67. ## physics

How many grams of carbohydrate does a person of mass 75 kg need to metabolize to climb five flights of stairs (15 m height increase)? Each gram of carbohydrate provides 17.6 kJ of energy. Assume 10.0% efficiency—that is, 10.0% of the available chemical

Assume that a parcel of air is forced to rise up and over a 6000-foot-high mountain. The initial temperature of the parcel at sea level is 76.5°F, and the lifting condensation level (LCL) of the parcel is 3000 feet. The DAR is 5.5°F/1000’ and the SAR

69. ## precal

4=2cos(pi/6t-2pi/3)+4 How do i solve this step by step ith justification for each step? super frustratd thankyou

70. ## Basic Biomechanics

A car teeters on the edge of a cliff. A eagle weighing 55 N lands on the hood 1.1 M from the edge of the cliff which functions as an axis. At the same time, an owl weighting 44 N lands on the trunk 1.5 m from the axis. What are the torques exerted by the

asked by Joshua Mclaurin
71. ## geometry

A community 5K run will award \$ 50 to the winner. 40 people enter the race,and they each pay an entry fee of \$20. Assuming thay are all equally likely to win, what is a fair price for the competition? Round to the nearest cent.

72. ## maths and statistics

A company manufactures a product. The total fixed costs are \$75 and the variab cost per unity is \$5. 1)find an expression for the total cost in terms of Q,the quantity produced

73. ## question

Is hellenistic a prehistoric culture?

74. ## art

who is the artist of the sculptures the dying gaul, and the seated boxer?

75. ## English

There are two ways of learning in terms of the mathod; one is a serious formal way, and the other is an entertaining enjoyable way. Both ways have merits and demerits. To a low-level students, an entertaining enjoyable way seems to be much better than a

76. ## stats

USA snapshot presented a bar graph depicting business travelers’ impression of wait times in airport security lines over the past 12 months. Statistics were derived from Travel Industry Association of American Business Traveler Survey of 2034

77. ## child care

do anyone have the answers to exam 00305200

78. ## Math

Reading readiness of preschoolers from an impoverished neighborhood (=20) was measured using a standardized test. Nationally, the mean on thios test for preschoolers is 30.9, with SD = 2.08. a. children below the 30th percentile (in the bottom 30%) are in

79. ## Chemistry

An electron in the n=5 level of an H atom emit a photon of wavelength 1281nm. To what energy level does the electron move? Thanks for ur help.

80. ## Chem

The value of ƒ¢H‹ for the reaction below is -482 kJ. Calculate the heat (kJ) released to the surroundings when 12.0 g of CO(g) reacts completely. 2CO(g) + O2(g) ¨ 2CO2(g) *I just want to how to solve this problem as in an equation, not the answer.