Jules

Popular questions and responses by Jules
1. physics

Sam, whose mass is 75 kg, straps on his skis and starts down a 63 m -high, 20° frictionless slope. A strong headwind exerts a horizontal force of 200 N on him as he skies. (Horizontal relative to level ground, not aligned with the slope.) What is his

2. Math

Could someone work this question out so I understand it. Thanks The marginal price dp/dx at x units of demand per week is proportional to the price p. There is no weekly demand at a price of \$100 per unit [p(0)=100], and there is a weekly demand of 8 units

3. Calc!

Direction: The table gives the position​ s(t) of an object moving along a line at time​ t, over a​ two-second interval. Find the average velocity of the object over the following intervals. a.​ [0, 2] b.​ [0, 1.5] c.​ [0, 1] d.​ [0, 0.5] t=

4. French

Are these right? This is supposed to be points of info on French culture in Canada. •Until the 1960s: Family lives of French Canadians heavily influenced by the Roman Catholic Church. •Large families •TODAY: •Average couple has only two children

5. AP Chemistry

what is the oxidation state of iron in K4[Fe(CN)6]?

6. calculus

Does anyone know of any free calculus websites? I'm taking a college class in the fall and would like to build my confidence since I am somewhat weak in math. Thank you in advance.

7. Confused

if the 20th century began in the 1900s, why doesn't it start w/the digits 2000? Doesn't make sense. 21st century...2100

8. spanish

"Do you know the requirements?" Which translation is appropriate for the above question: 1. Conoces alquien con estos calificacones? 1. Conoces alguien que puede llenar estos requisitos? Thanks! Or am I totally off! Thank you for using the Jiskha Homework

9. Social Studies

Sputnik I or Explorer I (Week 28 Social Studies Weekly Crossword)

10. Physics

The instruments attached to a weather balloon have a mass of 5.2 kg. The balloon is released and exerts an upward force of 98 n on the instruments. A)what is the acceleration of the balloon and instruments? B) after the balloon has accelerated for 10s, the

11. Chemistry

Hi, I am trying to figure out how to calculate the average temperature of 2 different chemical solutions based upon the temperatures I measured. The question states: Find the average Ti of HCl & NaOH solutions. The Ti of NaOH solution is: 20.87 C The Ti of

12. calc

If f(x) = xe^-x then at x=0 is f increasing, decreasing, relative max, relative min or that f' doesn't exist? I'm not sure, but I think it's decreasing, relative max or doesn't exist but I really have no idea. Thanks for your help!

13. physics

A plane flying horizontally above Earth’s surface at 184 meters per second drops a crate. The crate strikes the ground 30.0 seconds later. What is the magnitude of the horizontal component of the crate’s velocity just before it strikes the ground?

14. Math

Could someone work this question out so I understand it. Thanks The marginal price dp/dx at x units of demand per week is proportional to the price p. There is no weekly demand at a price of \$100 per unit [p(0)=100], and there is a weekly demand of 8 units

15. chemistry

Could someone answer this question so I understand it. Id appreciate it. Click the link for the question. img_photobucket_com/albums/v712/DeadMan986/Q10_jpg _ in the link = .

16. chemistry

what are the halogens at 25 degrees celcius and 1atm?

17. history

is it the l4th amendment or 19th amendment that granted women the right to vote? I say it's the 19th. My daughter says its the 14th. We have tried to google it and are confused. thx for your help

18. history

is it the l4th amendment or 19th amendment that granted women the right to vote? I say it's the 19th. My daughter says its the 14th. We have tried to google it and are confused. thx for your help

19. Physics

Could you please check my answers and help me out with the last two? Thanxs! 1.Carefully define the following words: distance, displacement, speed, velocity, acceleration. Does it make a difference if we designate distance as "x" or "d"? (I don't

20. Math

A football team has won 12 out of 20 games so far. Express this information as a fraction (in lowest terms), a decimal, and a percent.

21. math

find Area of surface of 12 meters, 5 meters, and 4 meters

22. Chemistry

In order to prepare 50.0ml of 0.100M C12H22O11 (sucrose) you will add___grams of C12H22O11 to____ml of water. Can someone explain how I would solve this? I am lost and do not understand how to do the conversions

23. Math

A solution contains 2meq/ml of KCL (molecular weight 74.5). If a 20ml ampule of this solution is diluted to 1 liter, what is the percent strength of the resulting solution?

24. Calc

function: f(x)=x^2-12x+35 Interval [6,6.5] How do you find the slope of the second line? Can you show this in the formula? and what would the answer be rounded to four decimal places as needed.

25. math

53 divided by 3

26. ELA

Think about the work you completed in your reading character role. Determine the ideas that would be most worthy to share in a literary discussion about Johnny Tremain. Provide an explanation for your choices. How did the role you selected and the work you

27. THE SCARLET LETTER

Does Hawthorne like Hester Prynne? Explain. Before answering, be sure to look at his comments about her in the novel, particularly his treatment of her in chapter 13, “Another View of Hester.”

28. Algebra/ Geometry

We start with a circle x. If we increase the radius by 50% then the area will increase by 100 in.². Find the original circumference of circle x. ( hint let r = oringinal radius)

29. Urgent due tomorrow Algebra

Tom, !@#\$%^&, and Harry are three brothers and have \$107.60 together. Tom feels sorry for hairy because he has less money than Tom. So Tom gives harry \$2.10 so they both will have the same amount after the transfer. !@#\$%^& doesn't know about Tom's gift

30. Physical Science

MH = 16.32 g/kg SH = 9.86 g/kg Air mass temperature = 15° C (59° F) What is the Relative humidity & the approximate Dew-point temperature? How do i set this problem up? I do not understand. Thanks

31. Physics

The block of mass 3.43553 kg has an acceleration of 2.1 m/s^2 as shown. / / F a _____________

32. Algebra

3/2x - y = 24. solve using elimination method

33. Physics

With what maximum speed can an unsecured passenger stay in their seat on a Ferris wheel that has a diameter of 12 m.

34. math

I can only use numbers 0-9 , and only 1 time. The question is, an even 2 digit number with the sum of the digits equal to 15 and the tens place less than 9

35. chemistry

If 15.22 g of mercury (II) oxide decompose, how many moles of oxygen can be produced?

36. physics & math

If you jump off a 10 meter cliff on the Moon, and the acceleration of gravity is 1.6 m/s^2. How fast are you going when your feet hit the bottom of the cliff?

37. physics

If you jump off a 10 meter cliff on the Moon, and the acceleration of gravity is 1.6 m/s^2. How fast are you going when your feet hit the bottom of the cliff?

38. Math

This question is really stressing me out. I don't even know where to start. The question is: The Northern Tier bicycle tour route from Anacortes, Washington, to Bar Harbor, Maine, is 4,264.5 miles long. How many more revolutions over the entire route will

39. Social studies Florida

Cross words: question , when one group chooses not to buy a certain product or service usually a tactic to get a benefit previously decided.

40. Math

Luke walks 1 3/4 miles each way to school. Tuesday before he realized he left his lunch at home and had to go back to get his lunch. How many miles did luke walk on wednesday to and from school? A: 3 1/2 B: 4 C: 4 1/2 D: 2 3/4 I don't understand tis one.

41. PLS HELP URGENT

Only one of the following reactions occurs. HCl + F HF + Cl For the one that does occur which side is favoured? Explain WHY the other reaction will not occur.

42. Composition

Revise the following paragraph, improving it without changing its overall meaning. Pay particular attention to sentence structure. Ever been assigned to work on a group project for class! Many students dread group projects: because one student typically

43. ENGLISH URGENT !!!!!!!

What are good things to buy for a 17 year old boy that are not that expensive???? this is really urgent for a part of my english project..... pleeeeeeeeeeeeeeeeeeeese help!!!!!!!

44. ENGLISH 9 BIOGRAPHY

we are doing a biography on our favourite singer or singers, and i luv justin bieber and one direction. My first choice is one direction since i really love their music. but then the problem is that i will have to do 5 biographys since their are 5 people

45. chemistry

a student heated 3.48 g of a pure sample of CaSO4 2 H2O until all the water of hydration was expelled. what was the mass of the residue?

46. chemistry

a student heated 3.48 g of a pure sample of CaSO4 2 H2O until all the water of hydration was expelled. what was the mass of the residue?

47. Sociology Ethnic Studies

What is the difference between "Findings and Analysis"? And do I need to quote a lot in the findings section?

48. English 9 MS. SUE

i still need help: the conflict is character vs charcater how would i say what caused it?

49. English 9

I am reading short stories right now in english. My teacher has gave me a question for this story: what are 2 main types of conflict in the story? explain the source of each type. conflist= oppostion of 2 forces ex: character vs character character vs

50. Organic Chemistry

how many grams of ZnCl2 are needed to prepare 250 ml of an aqueous solution with an osmolarity equal to 0.300 osmol? I posted this question a few minutes ago, but forgot to add the last part of the sentence. Thanks!

51. Organic Chemistry

how many grams of ZnCl2 are needed to prepare 250 ml of an aqueous solution with an osmolarity equal to 0.300?

52. physics

An 89 N box of oranges is being pushed across a horizontal floor. As it moves, it is slowing at a constant rate of 1.20 m/s each second. The push force has a horizontal component of 25 N and a vertical component of 30 N downward. Calculate the coefficient

53. physics

The block of mass 1.75337 kg has an acceleration of 3.8 m/s2 as shown. What is the magnitude of F? Assume the acceleration due to gravity is 9.8 m/s2 and the surface is frictionless. Answer in units of N

54. math

John borowed 12,000 and agreed to repay the loan in six equal monthly payments plus interest of 1.5% per month on the unpaid balance. What is his total payment for the third month?

55. Math

Could someone answer this question so I understand it. Thanks Find the supply function: p = S(x)=5(e^0.02x - 1) Find the average price (in dollars)over the supply interval [31,36]. Round to decimal places as needed. The average price in dollars is ?

56. Math

Could someone work this question out so I understand it. Thanks The marginal price dp/dx at x units of demand per week is proportional to the price p. There is no weekly demand at a price of \$100 per unit [p(0)=100], and there is a weekly demand of 8 units

57. Chemistry

I think the answer to this question is choice C, but im not sure. I have to find the product for this question. img*photobucket*com/albums/v712/DeadMan986/Q38*jpg The * in the link should be .

58. Chemistry

Could someone help out with the second question. Its about reagents. Click the link for the question. img*photobucket*com/albums/v712/DeadMan986/Q20-21*jpg All of the . are replaced with * in the link

59. Math

Could someone answer this question so I understand it. Thanks Given the supply function p = S(x)=5(e^0.02x - 1) find the average price(in dollars) over the supply interval [31,36] only the 0.02x is ^ on the e give the answer as an integer or decimal

60. Math

Could someone answer this so I understand it. Thanks The projected rate of increase in enrollment at a new college is estemated by dE/dt = 9000(t+1)^-3/2 where E(t) is the projected enrollment in t years. If the enrollment is 5000 now (t=0), find the

61. Math

Could someone answer this question so I understand it. Thanks Find the indefinite integral. x/ã3x^2+4 dx = Simplify the answer. Use C as the arbitrary constant.

62. Math

Could someone work this question out so I understand it. Find the indefinite intregral (lnx)^7 / x dx Use C as the arbitrary constant.

63. Math

Could someone answer this question so I understand it. Thanks Given the supply function: p = S(x) = 5(e^0.02x-1) Find the average price (in dollars) over the interval [31,36]. Only the 0.02 is ^ in the e in the question.

64. Chemistry

Could some answer this question. Im stuck on it. Thanks The unusual aspect of functional group replacement of an alcohols hydroxyl group by chlorine by treatment with chonyl chloride is: A)Spontaneous creation of a carbocation and SO2 Cl, the ion pair

65. Chemistry

I could use some help on this question. I think the answer is choice E, but im not sure. Alcohols can function as both nucleophiles and as electrophiles in various reaction conditions. Which of the following statements is/are true. a)When R-O-H is a

66. Chemistry

Could someone answer this question, i'd appreciate it. Im stuck on it The C-O-H bond angle is wider in methanol compared to water, and the C-O bond is longer then the OH bond in water due to: A) Steric clashing of methyl C-H's and hydroxyl H. B) Unshared

67. Chemistry

Could someone answer this question, i'd appreciate it. Im stuck on it The C-O-H bond angle is wider in methanol compared to water, and the C-O bond is longer then the OH bond in water due to: A) Steric clashing of methyl C-H's and hydroxyl H. B) Unshared

68. Physical science

Why is it easy for a magnesIum(mg number 12) To lose 2 electrons. Is it because the nuclear charge of the mg atom is relatively weak?

69. chemistry

calculate the quantity of energgy required to heat 1.00 mol of aluminum from 25 degrees to its normal melting point of658 degrees

70. chemistry

given the following info for water specific heat capacity of steam 2.03 j/g degrees calculate the total quanity of heat evolved when 10.0g of steam is condensed,cooled,and frozen to ice at -50 degrees

71. chemistry

given the following info for water specfic heat capacity of ice 2.06j/gdegrees calculate the total quanity of heat evolved when 10.0g of steam is condensed,cooled,and frozen to ice at -50 degrees

72. chemistry

given the following info for water molar heat of specific heat capacity of liquid water 4.18 j/g degrees calculate the total quanity of heat evolved when 10.0g of steam is condensed,cooled,and frozen to ice at -50 degrees

73. chemistry

given the following info for water molar heat of vaporization 40.6kj/mol calculate the total quanity of heat evolved when 10.0g of steam is condensed,cooled,and frozen to ice at -50 degrees

74. chemistry

the force holding together an ironic solid are much stronger thantheforces between particles in a molecular solid. how are these strong forces reflected in the properties of an ionic solid?

75. Chemistry

Could someone answer this question so I understand it. Thanks In general, the most elegant way to add one carbon with an OH on it to a primary alkyl halide is to: a) convert the alkyl halide to a Grignard and add formaldehyde followed by H3O. b)convert the

76. Chemistry

ROH + TsCl + pyridine ----> R-OTs + Cl: For the reaction, what is the function of pyridine? The pyridine is on top of the arrow in the question. a)Serves as a lewis base, stabilizes transition state. b)Serves as a cofactor,complexes with the alcohol.

77. Chemistry

Could someone answer this question so I understand it. Thanks cyclopentanol ----> cyclopentane Which of the following sets of reagents could be used to accomplish the above transformation? a)TsCl/Benzene & LiAlH4 b)H2SO4 & H2/Pd c)TsCl/Benzene & KOtBU/BuOH

78. Chemistry

cyclopentanol ----> cyclopentanone Which of the following sets of reagents could be used to accomplish the above transformation? a)CrO3/H2SO4 b)KMnO4/H2O c)71% HNO3 @ 10-20 degrees Celcius d)all of the above

79. Chemistry

Could someone answer this question so I understand it. Thanks cyclopentanol ----> cyclopentane Which of the following sets of reagents could be used to accomplish the above transformation? a)TsCl/Benzene & LiAlH4 b)H2SO4 & H2/Pd c)TsCl/Benzene & KOtBU/BuOH

80. Chemistry

Could someone answer this question so I understand it. Thanks Alcohols can function as both nucleophiles and as electrophiles in various reaction conditions. Which of the following statements is/are true? A)When R-O-H is a nucleophile, the O-H bond is

81. chemistry

Im stuck on this question. Could someone answer it so I understand it.Thanks When (R)-Butan-z-ol is treated with TsCl in pyridine and the tosylated alcohol is treated with sodium iodide in acetone, the resulting product is? A)(R)-2-iodobutane

82. AP Chemistry

What is the chemical equation that corresponds to the standard molar enthalpy of formation of N2O?

83. english

what does cliche mean

84. practical english

what are the four things you look when proofreading

85. Medical Information Management and office practice

A 67-year-old patient was admitted to the hospital on November 4 and discharged on November 18. What's the patient's length of stay? Is the answer to this question: A. 13 B. 15 C. 18 D. 20

86. Medical Information Management and office practice

At Allendale Psychiatric Hospital, the hospital census on January 4 is 110. According to the following data, what's the hospital census for January 5? Admissions 10 Discharges 2 A & D A. 99 B. 100 C. 108 D. 118 What is the correct answer?

87. Medical Information management and office practice

What are the disadvantages of manual indexing?

88. MEDICAL CODING AND BILLING

THIS IS A QUESTION FROM PENN FOSTERS FINAL EXAM 40976200 NUMBER 4 ON PART B. YOU'RE AN INPATIENT CODER IN A HOSPITAL. YOU'VE JUST CODED A MEDICARE PART A RECORD WITH A DIAGNOSTIC-RELATED GROUP (DRG) REIMBURSEMENT OF \$12000. YOU NOTICE IN THE HOSPITAL'S

89. spanish

I need help figuring out the fable about the fox and the hound. I read it in spanish class and know that the character is the zorra and perro and a cerdillo but I don't get the moral or the lesson. Is the meaning that you should be careful or is that

90. spanish

How do I answer the following question: Les hizo Ricardo los bocadillos para el picnic a uds? (double object pronoun) Is this correct? Si, los hizo para nosotros.

91. Spanish

Where can I find the English translation for Mexican songs? (e.g. Los Laureles, Jalisco) Muchisimas gracias!

92. spanish

how do you translate the following sentence? My calf and ankles are swollen. Mi chamorro y tobillos son danos.

93. french

How does one say? 'new money" Is it something like nouveau rishe??

94. Buzz Words

What would some words be considered buzz words for a philosophy class? I thought synergy might be one, but I can't think of any others. Thanks.

95. Physical Science

I'm still working on getting a fireman to come out to the school to demonstrate a radioactive detector. No luck so far. This is for a project on Marie Curie. Any other suggestions would be greatly appreciated.

My assignment is to write about a famous scientist. I chose Marie Curie. I found enough information. I only need to do a 5 min. presentation, but part of the assignment requires that I do a simple experiment. I don't know what that could be in this case,

97. Spanish

I have a windows, how do I place accent marks? (e.g. for Spanish) Thanks

98. Spanish

I have a windows, how do I place accent marks? (e.g. for Spanish) Thanks

99. english

In addition to the following, "I am going to write about ..." What are other examples of bad beginning sentences? Thanks