# Questions Asked onDecember 16, 2012

1. ## physics

the muzzle velocity of a 50.0g shell leaving a 3.00kg rifle is 400 m/s what is the recoil velocity of the rifle

2. ## physics

the initial velocity of a 4 kg box is 11 m/s, due west. after the box slides 4 m horizontally its speed is 1.5 m/s. determine the magnitude and the direction of the non conservative force acting on the box as it slides.

3. ## investing

Which of the following statements is true about financial planning? A. Any kind of financial expert (such as a stockbroker, lawyer, or accountant) can help you develop a comprehensive financial plan. B. Once you have painstakingly developed a financial

4. ## chemistry

When disaccharide beta is hydrolyzed, which monosaccharide units are produced?

5. ## physics

a bolwing ball of mass 2.00 kg strikes a stationary pin of mass 5.00 x 10^2 g. the collision lasts for .60s after which the pin moves off with a velocity of 12.0 m/s [w] a)accel of pin during the collision b)force exerted by bowling ball on the pin c)the

6. ## chemistry

What is the type of glycosidic bond in case alpha?

7. ## Chemistry

When disaccharide alpha is hydrolyzed, which monosaccharide units are produced? A) D-glucose and D-fructose monosaccharide units B) two D-fructose monosaccharide units C) two D-glucose monosaccharide units

8. ## Chemistry

The total mass that can be lifted by a balloon is given by the difference between the mass of air displaced by the balloon and the mass of the gas inside the balloon. Consider a hot air balloon that approximates a sphere 5.00 m in diameter and contains air

9. ## calculus

answer the questions about the following function f(x)= 10x^2/x^4+25 a. is the point (-sqrt 5,1) on the graph b. if x=3, what is f(x)? what point is on the graph of f? c. if f(x)=1, what is x? what points are on the graph? d. what is the domain of f? e.

10. ## english

Combine the following sentences by changing the italicized group of words into a gerund or gerund phrase.I lost my wallet. This caused me great inconvenience.

11. ## Math

A rancher has 220 feet of fencing to enclose a rectangular corral. Find the dimensions of the rectangle that maximize the enclosed area, using all 220 feet of fencing. Then find the maximum area.

12. ## math

A random group of seniors was selected from a university and asked about their plans for the following year. The school advising office claims that 60% of the students plan to work, 30% of the students plan to continue in school, and 10% of the students

13. ## Chemistry

Given the reaction 2C2H6 + 7O2 → 4CO2 + 6H2O ∆H = -1416 kJ/mol C2H6 a. How many liters of Carbon Dioxide would be produced if 16.00 L of ethane, (C2H6), were burnt (all at STP)? b. How many liters of water vapor would also be produced? c. How many

14. ## math Algebra 1

What is the algebraic expression for the following word phrase: the product of 5 more than p and 7? A.5+p+7 B.7(p+5) C.7*p*5 D.p+5 over 7 I think it is A...?

15. ## math final review (help)

from a 12cm by 12cm piece of cardboard, square corners are cut out so that the sides can be folded up to make a box. Express the volume of the box as a function of the length, x, in centimeters.

what does research show about the child's relationship with the primary parental figure when the child has additional attachments to other people?

17. ## Math

A new queen size bed sheet measures 210cm by 240 cm. The lenght and width shrinks by 2 percent after the first wash a. What are the dimensions of the sheet after washing b. What is the percent decrease in the area of the sheet

18. ## chemistry

An aqueous solution is 0.273m kcl. What is the molar concentration of potassium chloride, kcl? The density of the solution is 1.011 x 1 1000 g/L Who helps me

19. ## Math

I can't figure out this one question... A ship is docked in port and rises and falls with the waves. The function d(t) = 2sin(30t)°+5 models the depth of the propeller, d(t), in metres at t seconds. e) within the first 10 seconds, at what times is the

20. ## chemistry

You wish to increase the carbon content of a slab of steel by exposing it to a carburizing atmosphere at elevated temperature. The carbon concentration in the steel before carburization is 176.0 ppm and is initially uniform through the thickness of the

21. ## algebra

Write a rule for the pattern. -3,-9,-14,-47,-141,.....

22. ## chemistry

The carbon concentration in the steel before carburization is 366.5 ppm and is initially uniform through the thickness of the steel. The atmosphere of the carburizing furnace maintains a carbon concentration of 8040.0 ppm at the surface of the steel.

23. ## MGMT

5. Which kind of goal concerns cooperation between departments?

24. ## statistics

In a simple random sample of 50 plain M&M candies, it is found that none of them are blue. We want to use a 0.01 significance level to test the claim of Mars, Inc., that the proportion of M&M candies that are blue is equal to 0.10.

25. ## English- edit my essay please?

The Great Gatsby Mortality is something we will all face at some point in our life. However, I doubt many people will deal with it in the same light as James Gatz did. He died once in his youth, at the age of seventeen, only to be reborn again as someone

26. ## science

You wish to increase the carbon content of a slab of steel by exposing it to a carburizing atmosphere at elevated temperature. The carbon concentration in the steel before carburization is 152.0 ppm and is initially uniform through the thickness of the

27. ## help

You wish to increase the carbon content of a slab of steel by exposing it to a carburizing atmosphere at elevated temperature. The carbon concentration in the steel before carburization is 478.5 ppm and is initially uniform through the thickness of the

28. ## statistics

Then, for the following two examples, determine the null and alternative as well as state which one represents the claim. State what type of test will be completed: left-tailed, right-tailed, or two-tailed. The average score of the first exam for the class

29. ## maths --plse help me..

Find the area of the sector of a circle of radius 7cm if the corresponding arc length is 6.2cm

30. ## Conestoga

predict whether a solid will form. Identify the solid and write the balanced equation for the reaction. Na2S(aq)Cu(NO3)2(aq)

31. ## science

What is the acceleration of a 66 kg block of cement when pulled sideways with a net force of 597 N? Answer in units of m/s 2.

32. ## Chemistry

You wish to increase the carbon content of a slab of steel by exposing it to a carburizing atmosphere at elevated temperature. The carbon concentration in the steel before carburization is 359.5 ppm and is initially uniform through the thickness of the

33. ## calculus

find derivative y= 3x^5-6x^3/7secx find dy/dx * xcosy= 5( y+cosx) * X^5-Y^3+8XY=466 * A RIGHT TRIANGLE HAS LEGS OF LENGTH 15M AND 7M. THE 7M LEG IS NOT CHANGING. 15M LEG IS GETTING LONGER AT RATE OF 8M PER SECOND. SO WHAT IS RATE OF CHANGE OF THE

34. ## book report

My teacher gave me a book review paper. What does it mean when it says "write an ending sentence for your review"

35. ## chemistry

The figure above shows how the energy of a system varies as a chemical reaction proceeds. Match the numbers features labeled on the figure above to their corresponding statements below: energy state of the reactants:

36. ## math

The lethal inhalation dose of Sarin for a 200lb person has been determined to be 0.0015 mg. Determine the LD50 of Sarin that researchers used to calculate this lethal inhalation dose. 1.4 x 10-4 mg/kg 0.16 x 10-4 mg/kg 1.8 x 10-5 mg/kg

Who is God?

38. ## AP calculus

The base of a cone-shaped tank is a circle of radius 5 feet, and the vertex of the cone is 12 feet above the base. The tank is being filled at a rate of 3 cubic feet per minute. Find the rate of change of the depth of water in the tank when then depth is 7

39. ## Stats

students reported studying an average of 9.92 hours a week, with a standard deviation of 4.54. Treating this class as the population, what percent of students study more than 12 hours a week

40. ## French

Écris un paragraph en français au passé composé. Écris au moins six phrases.

You wish to increase the carbon content of a slab of steel by exposing it to a carburizing atmosphere at elevated temperature. The carbon concentration in the steel before carburization is 359.5 ppm and is initially uniform through the thickness of the

42. ## English - ms. sue

ms. sue for essay i be writing i got everything done about real life traditions now i just need few more from story on this topic Wat expense be paid by beings & by society 4 their unhesitating approval of tradition or brutal social rituals. Do there be

43. ## Chemistry

A sample of 40.0 mL of hydrogen is collected by water displacement at a temperature of 20 degrees Celcius. The barometer reads 751 torr. What is the volume of the hydrogen at STP (standard temperature and pressure)?

44. ## chemestry

a 40g piece of ice at 0.0 degrees C is added to a sample of water at 8.0 degrees C. the ice melts and the temp of the water decreses to 0.0 degrees C. how many kilograms of water weere in the sample?

45. ## Physics

The weight of an object on Earth is 350 newtons. On Mars, the same object would weigh 134 newtons. What is the acceleration due to gravity on the surface of Mars, given that it is 9.8 meters/second2 on Earth?

46. ## Letter to Mrs.Sue

Mrs. Sue I'm sorry for my behavior. I know you'll never forgive me but I'm sorry.

47. ## scenice- Rock

It says write a story about a rock. Where it came from? How it got into my yard? What wearthering and erosion affected the rock

48. ## american history

in 1700 which of the following colonies had the largest slave population relative to its overall population

49. ## Physics

A football is thrown toward a receiver with an initial speed of 17.5 m/s at an angle of 35.2◦ above the horizontal. At that instant, the receiver is 16.7 m from the quarterback. The acceleration of gravity is 9.81 m/s^2 With what constant speed should

50. ## Ms.Sue

Can you delete all my questions i have ever asked on here i want to start fresh thx!

51. ## Intermediate Algebra

A fire is raging in an apartment house. you see kids in a window in an upstairs window. the window is 24 feet off the ground. you have a ladder, but it only extends to 30 feet, how far from the house must you place the ladder to reach the kids?

52. ## Chemistry

I'm currently learning about balancing chemical equation but I don't understand the equation below. 2FE + 3CL(subscript 2) -> 2FECL(subscript 3) I understand 2FE balance out but how did 3CL2 became CL3? Thanks

171. ## Ms.Sue

Thx Ms. Sue I got 100% on everything :) thanks to you.

172. ## Physics

The tension in a rope attached to a boat is 27.5 lb. The rope is attached to the boat 6.0 ft below the level at which the boat is being drawn in. At the point where there is 18.0 ft of rope out, what force is bringing the boat towards the dock, and what

173. ## Math

For a history project, Marcus built a replica of the Texas State Capitol building. His model has a scale factor of 1/100. If the height of the Capitol's dome is 310 feet, how high is the dome on Marcus' replica?

174. ## Programming in c++

Write a program in c++ that inputs a number [1-12] from the user and displays the month. it also asks the user whether he wants to input another number or not, if the user inputs 1 then it again inputs number, if user inputs 0 then program ends.

175. ## Cultural Anthropology 101

Theocracies are: (Points : 1) 9A)****determined by the religious beliefs of the society. based on the accumulation of wealth by individuals. a group of elected officials. are sanctioned by Big Men. 2. Chiefs within chiefdoms generally gained their

176. ## Chemistry

A latex balloon, wall thickness 3.091 x 10-4 m, contains helium at a concentration of 0.3 kg m-3. Under these conditions the total surface area of the balloon is 0.33 m2. The diffusion coefficient of He in latex at room temperature is 4.9 x 10-9 m2s-1.

177. ## Math

An architect designed a rectangular room with an area of 925 square feet. If A = 925 ft squared, what is the width of the room if the length is 37 feet? A. 25 ft B. 74 ft C. 425.5 ft D. 462.5 ft

178. ## vector

Three ropes hold a zeppelin in place, but two of the ropes break. The remaining rope holds the zeppelin with a tension of 255 N at an angle of 40 degrees with the ground due to a wind. The weight (vertical force) of the zeppelin and its contents is 200 N,

179. ## physics

A 1.13 × 103 kg car accelerates uniformly from rest to 10.6 m/s in 3.22 s. What is the work done on the car in this time interval? Answer in units of J

180. ## math using rule 78

a loan for $400 is to be paid off in 66 months witha payment of$11.62 The borrowee pays it off in 18 months use rule 78 to find the interest saved

181. ## science

what are the altitude ranges of the troposphere, stratosphere, mesosphere, and the thermosphere?

182. ## ALG 2 PLZ PLZ HELP

As you can see, the biker and his friend are having a hard time getting up the hill. They would like to get to the top safely. Two ordered pairs on the hill are given as (6, 3) and (8, 7). Part 1: Find the slope of the hill. Slope (m) = change in y over

183. ## English

What is meant by the subthemes: death as pervading life, time as the essence of death and self destruction, night as the environment of death, and death as the great isolator as applied to Pablo Neruda's poems, especially Residence on Earth?

184. ## math

I family of ducks contains 7 ducks which are 44 lbs. The other wieghs 32 lbs (no amount of ducks given) How much does each duck and duckling weigh in each group THEY HAVE TO WEIGH THE SAmE IN EACH GROUP

185. ## Social Studies - URGENT

Using the five themes of geography, which theme best illustrates each statement: Location, character of place, human-environment interation, movement or region. 1. Islam spread to Eastern Europe from Southwest Asia 2. The Scandinavian countries share

186. ## Chemistry

standard form of the equation KClo3->KCl(5)+02(g) for a project

187. ## Chemistry

The solubility of the fictitious compound, administratium fluoride (AdF3) in water is 3.091×10−4 M. Calculate the value of the solubility product Ksp.

188. ## Chemistry

The solubility of the fictitious compound, administratium fluoride (AdF3) in water is 3.091×10−4 M. Calculate the value of the solubility product Ksp.

189. ## Math Algebra

5. At the half-time show, a marching band marched in formation. The lead drummer started at a point with coordinates (–4, –7) and moved 4 steps up and 2 steps left. a. Write a rule to describe the translation. I think it is (x,y)-->(x+2,y+4)is this

190. ## Chemistry

The fictitious compound, pandemonium fluoride (PnF2) has a Ksp value in water of 3.091×10−9M3 at room temperature. Calculate the solubility of PnF2 in water. Express your answer in units of molarity.

191. ## Finance

Hi Tech Products has 35,000 bonds outstanding that are currently quoted at 102.3. The bonds mature in 11 years and carry a 9 percent annual coupon. What is the firm's aftertax cost of debt if the applicable tax rate is 35 percent?

192. ## maths

which is valuable abacus or vedic maths?

193. ## Math Algebra

The length of the hypotenuse of a right triangle is 30 m. The length of one leg is 20 cm. Find the length of the other leg. Round your answer to the nearest tenth I know how to do hypotenuse but this doesn't seem to work out...help please

194. ## chemistry

Calculate [\rm H_3O^+] given [\rm OH^-] in each of the following aqueous solutions. [\rm OH^-] = 7.1×10^11M What calculations do I make from this point? I have plugged in the 7.1×10^11M into the calculator but am getting the answer wrong every time and

195. ## trigonometry

5.Find the complete exact solution of sin x = -√3/2. 10. Solve cos 2x – 3sin x cos 2x = 0 for the principal value(s) to two decimal places. 12. Solve tan^2x + tan x – 1 = 0 for the principal value(s) to two decimal places. 19.Prove that tan^2a – 1

196. ## history

To what extent is the following statement accuate? "During the 1960s, the United Sates had become a more open, more tolernt, freer country."

197. ## Grammar

I couldn’t help but to think: “Is this really what the meaning of success has become?” and to make matters even worse, this idea was just spread to the thousands of viewers. Is this correct?

198. ## trignonmetry

6. Prove that tan λ cos^2 λ + sin^2λ/sin λ = cos λ + sin λ 10. Prove that 1+tanθ/1-tanθ = sec^2θ+2tanθ/1-tan^2θ 17.Prove that sin^2w-cos^2w/tan w sin w + cos w tan w = cos w-cot w cos w 23. Find a counterexample to shows that the equation sec

199. ## Physics

A candle flame is placed in front of a concave mirror on the principal axis such that is twice the size of the object and is inverted. If the sum of the object distance and the image distance is 72 cm, how far from the mirror is the image and what is the

200. ## maths --plse help me..

Is eulers formulae true for spheres and cylinder ,please explain

201. ## History

Why should king Charles 1 not have been guilty and/or executed?

202. ## Physics

A index of certain type of glass has an an index of refraction of 1.66 for red light and 1.65 for violet light. If a beam of white in air approaches the glass with an angle of incidence of 49.0 degree, by what angle will the red light be separated from the

203. ## calculus

A 6 m3 box with a perfect triangle base and lid and 3 rectangular walls is to be constructed from 2 materials. The cost to make the base 1$/ft2 and that for the lid and walls is 4/2$/ft2. What dimensions will result in the most cost-effective

204. ## physics

The puck in the figure below has a mass of 0.160 kg. Its original distance from the center of rotation is 40.0 cm, and it moves with a speed of 60.0 cm/s. The string is pulled downward 15.0 cm through the hole in the frictionless table. Determine the work

205. ## calculus

Determine the largest rectangle that can be inscribed inside the cavities of the two curves: y = –2(x – 6)2 & y = 6x2 –12*Tx – 128 + 6*T2

206. ## maths

A wall 24m long, 0.4m thick and 6m high is constructed with the bricks each of dimensions 25cm X 16cm X 10cm. If the mortar occupies 1/10th of the volume of the wall, then find the number of bricks used in constructing the wall.

Find the sum of each infinite series, or state that the sum doesn'nt exist 1/7+5/14+25/28+

208. ## maths

The value of (₆√27-√27/4)^2 is:

an automobile to be transported by ship is raised above the dock by a crane. If the gravitational potential energy of the car is 6.6 x 10^4 and the mass is 960 kg how high has the car been lifted?

211. ## Intermediate Algebra

For the quadratic equation y=(x-3)^2-2. Determine: A) whether the graph opens up or down; B) the y-intercept; C)the x-intercepts; D) the points of the vertex. and D) graph the equation with at lease 10 pairs of points.

212. ## Science

Imagine you are an energy expert on a planning council for a new town to be built on an island. Evaluate resources and methods you will suggest the new town to use.

213. ## Intermediate Algebra

To find the distance across a canyon, a surveyor inserts poles at two places on the same side of the canyon as indicated below. using the surveyor's measurements given below, find the distance across the canyon. (the answer can be in simplified radical

222. ## physics

A particle travels horizontally between two parallel walls separated by 18.4 m. It moves toward the opposing wall at a constant rate of 9.4 m/s. Also, it has an acceleration in the direction parallel to the walls of 5.8 m/s^2 What will be its speed when it

223. ## Applied Behavioral

About what percentage wo women experience hot flashes during menopause 1. 5% 2. 50% 3. 90% 4. 99% My answer is 50%