# Questions Asked onJune 29, 2015

1. ## Physics 2

calculate the final temperature of a 400g of water at 80 degree celsius if it is poured into a 100g pot at 30 degree celsius. note: c of pot is 840 J/kg degree celsius.

2. ## calc

Find the area of the region bounded by the curves y equals the inverse sine of x divided by 4, y = 0, and x = 4 obtained by integrating with respect to y. Your work must include the definite integral and the antiderivative.

3. ## math/algebra

why did the kangaroo see a psychiatrist?

4. ## English

I need help writing a résume and cover page. Here's the assignment:Write a letter to the address below. You are responding to an advertisement from the Willamette Company for a job opening as an office assistant. You did some research and learned that the

5. ## Chemistry

When heated to 350. ∘C at 0.950 atm, ammonium nitrate decomposes to produce nitrogen, water, and oxygen gases: 2NH4NO3(s)→Δ2N2(g)+4H2O(g)+O2(g) Using the ideal gas law equation, calculate the volume, in liters, of water vapor produced when 21.8 g of

6. ## Calculus

A rectangular page is to contain 72 square inches of print. The page has to have a 4 inch margin on top and at the bottom and a 2 inch margin on each side. Find the dimensions of the page that minimize the amount of paper used.

17. ## Algebra

One canned juice drink is 15% orange juice another is 5% orange juice. How many liters of each should be mixed together in order to get 10L that is 12% orange juice?

18. ## algebra

Susan is on her way home in her car. She has driven 24 miles so far, which is one-half of the way home. What is the total length of her drive?

19. ## Chemistry

How come lead is denser than copper though more copper atoms can fit into a same size cube than lead atoms can?

20. ## PSYCH

Jane suffers from Panic Disorder. What Axis of the DSM would this disorder present on? A. Axis II B. Axis III C. Axis I D. Axis IV is A the right answer?

21. ## chemistry

10.5 g sample of copper metal at 25.0°C is heated by the addition of 150.0 J of energy. The final temperature of the copper is _____°C. The specific heat capacity of copper is 0.38 J/ goC.

22. ## calc

An object has a constant acceleration of 30 ft/sec2, an initial velocity of −10 ft/sec, and an initial position of 4 ft. Find the position function, s(t), describing the motion of the object.

23. ## Algebra

Solve using the substitution method. -5x + y = 16 9x + 13y = 60

24. ## Physics

A motorcyclist who is moving along an x-axis has an acceleration given by a=(6.60-2.29t) for 0 >= t = t

25. ## Chemistry

472 mL of H2 was collected over water when 1.256g Zn reacted with excess HCl. The atmospheric pressure during the experiment was 754 mmHg and the temp was 26C. What is the pressure in atm of the dry hydrogen gas in the mixture. I don't know how to answer

26. ## History

Which statement BEST distinguishes the Viet Cong from the North Vietnamese Army? A) The North Vietnamese Army fought beside the allied forces, while the Viet Cong fought against the allied forces. B) The North Vietnamese Army represented the political

27. ## Science

What are the reasons why human being is considered the most intelligent animal in the whole universe?

28. ## Science

What are the reasons why human being is considered the most intelligent animal in the earth?

29. ## physics

A child pushes a merry-go-round with a force of 80.0 N at an angle tangent to the circle (that is, perpendicular to a radius). If the child pushes it through exactly one full circle, and the merry-go-round has a radius of 1.15 m, how much work does she do?

30. ## physics

A solid uniform cylinder of mass 4.6 kg and radius 0.051 m rolls without slipping at a speed of 0.78 m/s. What is the cylinder’s total kinetic energy? please show some work so that I can learn from it.

31. ## math

f(t) = \int_0^t \frac{x^2+11 x+24}{ 1+\cos^2(x)} dx At what value of t does the local max of f(t) occur? t = ?

32. ## PSYCH

In which theory is it of utmost importance that an infant develops a relationship with at least one primary caregiver for both social and emotional development to happen properly? A. Attachment theory B. Culture C. Persistence model D. Erikson’s Stages

33. ## science 207

4. What can be done to prevent mine drainage from damaging the ecosystem? Utilize at least one scholarly resource to support your suggestions.

34. ## PSYCH

Birth is a major adjustment for the infant as he/she leaves the familiar environment of the womb and takes his/her place in the world. Naming a baby is a part of this birth process. Being born and naming a child is considered: A. means of access. B. check

As a Christian, do you see tithing as a requirement? Should it be 10%?

36. ## Ethics & Social Responsibilities

What is the difference between physician-assisted suicide (PAS) and euthanasia? (Points : 1) During PAS, patients end their own lives; during euthanasia, the doctor ends patients’ lives. During PAS, the doctor ends the patients’ lives; during

37. ## Ethics & Social Responsibilities

What is the difference between RU486 and “Plan B”? (Points : 1) RU486 cannot prevent pregnancies that have already occurred while “Plan B” can. RU486 prevents eggs from fertilizing while “Plan B” works to destroy the embryo. RU486 and “Plan

38. ## calc

The slope of the tangent line to a curve at any point (x, y) on the curve is x divided by y. What is the equation of the curve if (3, 1) is a point on the curve?

39. ## Mah

Adam has 4 dimes, 4 quarters and 4 nickels in his pocket. He pulls out 2 coins making sure to put the first one back in his pocket before picking the second. What are the odds that he pulls out 2 nickels? A. 1/3 B. 1/9 C. 1/16 D. 1/81

40. ## health screening ,testing,and evaluation/preparing

what is the number-one disablitiy for people under the age of forty five a.back injury my answer is a

41. ## Chemistry Subatomic particles

Fill in the chart (Numbers correspond to each other[I.E 1 in 1st group connects with 1in 2nd]) Subatomic particle found 1.Proton 2.Neutron 3.Electron Scientist 1.Rutherford 2.Chadwick 3.Thomson Experiment 1.Gold Foil Experiment? 2.? 3.Cathode Ray Tube Data

42. ## Math

Andrea has 6 blue shirts, 2 red shirts, and 5 green shirts in her closet. What is the probability that she will randomly pick out a red shirt on Monday and a green shirt on Tuesday after putting the red shirt in the laundry? A. 7/25 B. 5/78 C. 7/156 D. 2/5

43. ## Chemistry Subatomic particles

What data led to the need for change in Daltons ideas?

44. ## Chemistry Subatomic particles

What data led to the need for change in Daltons ideas?

45. ## intro to business

according to the doctrine of supply, the amount ____ will increase as the ____ increases

46. ## Chemistry

A is a solution of hcl containing 7.30gdm^-3 and B is a solution of X2CO3 containing 10.6gdm^-3.calculate the concentration of A in Moldm^-3

47. ## math

if x represents width of rectangle & length is 4 less than 3 times the width? How would I translate this in numbers?

48. ## English

1. The south exit is close to the bus stop. 2. The south exit is close by the bus stop. 3. The south exit is near by the bus stop. 4. The south exit is nearby the bus stop. 5. The south exit is next to the bus stop. ========================= Which ones are

49. ## Accounting

During 2015, the assets of Hilyer's Crematorium rose by $47,000 and its liabilities rose by$40,000. No additional investments were made. Assuming net income for the period is \$12,000, what was the amount of withdrawals in 2015? I feel like I'm missing

50. ## math

find volume when the region bounded by the curves y = Ln(x), y = 2, and x = 1 is revolved around the line y = −2.

51. ## Algebra

Form a third degree polynomial function with real coefficients such that 2+i and -5 are zeros. f(x)= ?

52. ## Chemistry

Consider the reaction: 2Mg + O2 ------> 2MgO The reaction is at equilibrium, the concentration of MgO is found to be 0.5. What is the concentration of Mg and O2? ------------------------------------------------------- Keq is not given... using the ICE

53. ## Chemistry

What volume of 0.5M NaOH must be added to 50mL of .0.1M benzoic acid to make 100.0 mL of 0.05 M benzoate buffer that is pH 4.5?

54. ## Physics

A parachutist bails out and freely falls 64.7 m. Then the parachute opens and thereafter she decelerates at 1.88 m/s2. She reaches the ground with a speed of 3.07 m/s. What is her average speed (in m/s) for the fall? I was planning on finding the time

55. ## Chemistry

If the mole fraction of ethanol in aquas solution is 0.05 . Calculate morality of solution ? Explain it's.

56. ## Physics

A motorcyclist who is moving along an x-axis has an acceleration given by a=(6.47-2.15t) for 0 >= t = t

57. ## Physics

A model rocket is fired vertically from the ground with a constant acceleration of 44.3 m/s2 for 1.95 s at which time its fuel is exhausted. What is the maximum height (in m) reached by the rocket? Shouldn't this just be d=rt? 44.3(1.95), but I'm not

58. ## Chemistry

What volume of 0.5M NaOH must be added to 50mL of .0.1M benzoic acid to make 100.0 mL of 0.05 M benzoate buffer that is pH 4.5?

59. ## Nothern Cape collage

A stone with a mass of 2kg is thrown vertically upwards.it takes 5 seconds for the stone to reach the same height from which it was thrown. Determine th following:3.2.1 the volocity with which the stone was thrown

60. ## mugwazeni

IAm doing grade 10 and my subject are;history ,geography and economics so I want to know what kind of work am I going to work

hi. I need to find any Event Marketing in Asia. I can't find examples of Event Marketing Asia. What I found is Event Marketing in Europe. Your help will gladly be appreciated. thank you in advance.

62. ## business statistics

using empirical formula a company is studying the number of daily debit card purchases. THere were 20 purchases and the probability of a debit card purchase is 0.5. what is the stadnard deviation of the number of debit card purchases

63. ## Physics

A parachutist bails out and freely falls 59.7 m. Then the parachute opens and thereafter she decelerates at 1.60 m/s2. She reaches the ground with a speed of 3.41 m/s. What is her average speed (in m/s) for the fall?

asked by Natasha M.
64. ## math

The income of a and b are retio 3:2and their expenditure are in the ratio 5:3 if each saves rs 2000 what is their income

65. ## Math

What is the order for 2/5, 9/10, 1/3, .50, .05 from least to greatest?

66. ## physics

a battery of three cell is series each of emf two volt and internal resistant 0.5 ohms is connected to a two ohm resistor in series with a parallel combination of 2.3 ohms resistor draw the circuit diagram and calculate effective external resistance

67. ## physics

Last two problems on the homework! please help with these 2. it helps when detailed explanations are given! thanks A 2 kg ball is thrown horizontally, at 5m/s, from a height of 5 m. How fast will it be moving when it contacts the ground? A 70 kg

68. ## math

If x represents width of rectangle & length is 4 less than 3 times the width? What is the width and how would you translate this into numbers? *area =? *where length is 4 less than 3 times the width *Length = x -3 *Width = x *Area = (4x-3) (x) = 4x ^2-3x