Wednesday

August 27, 2014

August 27, 2014

**Recent Homework Questions About First Aid**

Post a New Question | Current Questions

**Math **

Archaeologists often find only parts of ancient human remains. For example, they may find a small finger bone, called the metacarpal bone. Is it possible to predict the height of a human from the length of his or her metacarpal bone? To investigate, a researcher measures the ...
*Thursday, February 20, 2014 at 2:48pm*

**Homework help plz( Steve or Reiny)**

Determine if the number is written in scientific notation. If not, explain 32 * 10^4. (1 point) No; it is not written as a power of 10. No; the first factor is not a number between 1 and 10. Yes; the number is written in scientific notation. Determine if the number is written ...
*Thursday, February 20, 2014 at 1:39pm*

**STATS**

Archaeologists often find only parts of ancient human remains. For example, they may find a small finger bone, called the metacarpal bone. Is it possible to predict the height of a human from the length of his or her metacarpal bone? To investigate, a researcher measures the ...
*Thursday, February 20, 2014 at 8:41am*

**History **

When was the first contact of the following first nations people of canada: First nations of the Mackenzie and Yukon River Basins Pacific coast first nations Plateau Fist Nations Plains first nations
*Thursday, February 20, 2014 at 1:40am*

**English**

What was poetry like during the Romantic period? Discuss three characteristics of Romanticism. I'm looking for 1-2 sentences for the first question, and maybe 3-6 for the second question. Thank you so much to anyone who helps. Any help is appreciated. :)
*Thursday, February 20, 2014 at 12:24am*

**Finance**

First Simple Bank pays 6 percent simple interest on its investment accounts. First Complex Bank pays interest on its accounts compounded annually. Required: What rate should the bank set if it wants to match First Simple Bank over an investment horizon of 10 years?
*Wednesday, February 19, 2014 at 11:58pm*

**Finance**

You have arranged for a loan on your new car that will require the first payment today. The loan is for $32,000, and the monthly payments are $620. Required: If the loan will be paid off over the next 60 months, what is the APR of the loan?
*Wednesday, February 19, 2014 at 11:57pm*

**math**

Twenty years ago Gabe invested $2,000. For the first ten years he earned 13% compounded semi-annually. For the next ten years he earned 8% compounded quarterly. What was the value of the investment now, at the end of the 20 years?
*Wednesday, February 19, 2014 at 11:37pm*

**Physics**

A. Consider the motion of a projectile. It is fired at t= 0. Its initial speed is 12 m/s and its initial projection angle is 50◦ from the horizontal. The acceleration of gravity is 9.8 m/s^2. What is the maximum height,h, of its trajectory? Answer in units of m. B. ...
*Wednesday, February 19, 2014 at 8:48pm*

**math**

The school store open on the first day of school with 30 notebooks and 18 pencils. Within two days it sold all of these items. On the first day, twice as many notebooks were sold as pencils. On the second day, for every 3 notebooks sold, 2 pencils were sold. how many notebooks...
*Wednesday, February 19, 2014 at 7:25pm*

**phisecs**

A woman wantes to drive 82 km in 2 h. If she average 38 km/h for the first 1.47 h, what average velocity must she maintain for the remaining time in km/h?
*Wednesday, February 19, 2014 at 5:22pm*

**Finite Math and Applied Calculus **

Betty Sue sets up a retirement account. For the first 35 years, she deposits $500 at the end of each month into an account with an annual interest rate of 3.6%, compounded monthly. Then, she stops making monthly payments and transfers the money into a different account ...
*Wednesday, February 19, 2014 at 3:02pm*

**can someone PLS help me with this DRAGONWINGS book**

can someone from connections academy help me with this Dragonewings (book) quiz!?? Read each group of sentences. Decide which event happened first, next, and last. Then select the answer listing the letters in the correct order. 1. a) Black Dog attacks Moon Shadow and steals ...
*Wednesday, February 19, 2014 at 2:26pm*

**PHYSICS**

A woman wantes to drive 83 km in 2 h. If she average 42 km/h for the first 1.27 h, what average velocity must she maintain for the remaining time in km/h
*Wednesday, February 19, 2014 at 1:10pm*

**Physics**

A block with a mass of m = 21 kg rests on a frictionless surface and is subject to two forces acting on it. The first force is directed in the negative x-direction with a magnitude of F1 = 9.5 N. The second has a magnitude of F2 = 19.5 N and acts on the body at an angle θ...
*Wednesday, February 19, 2014 at 11:04am*

**Physics**

First start with an isothermal expansion at 2.0 atm from 1.0 L to 4.0 L. If this now is adiabatically compressed back to its original volume, what is the change in internal energy here? Also what are some examples of these processes?
*Tuesday, February 18, 2014 at 10:05pm*

**help i have no idea!!!!!!**

To go out on a date Jason takes $65. The first hour he wastes $9, the second he wastes $12, the third he wastes $17. The last three hours he wastes no money.
*Tuesday, February 18, 2014 at 5:38pm*

**help i have no idea!!!!!!**

i need help To go out on a date Jason takes $65. The first hour he wastes $9, the second he wastes $12, the third he wastes $17. The last three hours he wastes no money. Create a graph showing this scenario.
*Tuesday, February 18, 2014 at 5:16pm*

**Math**

Every moment of every day, light pours out from the Sun at the center of our solar system and travels to Earth. It does not arrive at Earth instantaneously though; it takes time to get here. Your task is to figure out how long it takes for light to travel from the Sun to Earth...
*Tuesday, February 18, 2014 at 4:05pm*

**brits orbit**

find the twenty-first term of an A.S of which the 6th term is 3 and the 14th is 19
*Tuesday, February 18, 2014 at 3:18pm*

**sociol student**

A woman wantes to drive 83 km in 2 h. If she average 42 km/h for the first 1.27 h, what average velocity must she maintain for the remaining time in km/h?
*Tuesday, February 18, 2014 at 12:20pm*

**statistics**

The personnel office at a large electronics firm regularly schedules job interviews and maintains records of the interviews. From the past records, they have found that the length of a first interview is normally distributed, with mean μ = 31 minutes and standard ...
*Tuesday, February 18, 2014 at 1:04am*

**java programming**

I have to make two classes, one is to import a file and display the integers in the file. The other class has to take the integers from the first class and use them to calculate things like the average, the highest, the total, and I am completely stumped...please help!!!
*Monday, February 17, 2014 at 9:53pm*

**physics**

You would like to shoot an orange out of a tree with your bow and arrow. The orange is hanging 5.00 m above the ground. On your first try, you fire the arrow at 36.0 m/s at an angle of 30.0° above the horizontal from a height of 1.40 m while standing 41.0 m away. Treating ...
*Monday, February 17, 2014 at 9:06pm*

**Chemistry Help Please!!!**

1) Boric acid, H3 BO3, is a triprotic acid that dissociates in three reactions. The first dissociation step is: H3BO3 ⇌ H^+ + H2BO3^-, K(a1) = 7.3 x 10^-10; the second dissociation step is: H2BO3^- ⇌ H^+ + HBO3^-2, K(a2) = 1.8 x 10^-13; and the third dissociation ...
*Monday, February 17, 2014 at 6:48pm*

**Lang. Arts//Reading**

What is the theme of the book "Kingdom Keepers", Disney After Dark? It is the first book and it is written by Ridley Pearson.
*Monday, February 17, 2014 at 6:36pm*

**history**

i still need help with this question! In England, _______ housed totally destitute people at public expense and resembled the conditions of the first _______.
*Monday, February 17, 2014 at 5:36pm*

**first aid**

Two teams of nine members each engage in a tug of war. The first team's members have average masses of 69 kg and exert average forces of 1350 N horizontally. The second team's members have average masses of 74 kg and exert average forces of 1356 N horizontally.
*Monday, February 17, 2014 at 4:38pm*

**Math **

A rental car agency charges $15 per day plus $.11 per mile to rent a certain car. Another agency charges $18 per day plus 8 cents per mile to rent the same car. If they rent the car for one day how many miles will they have to be driven for the cost of a car from the first ...
*Monday, February 17, 2014 at 12:01pm*

**math**

In New York a taxi costs 72 cents for the first 1/10th of a mile and 15 cents for every additional 1/10 mile. How much does it cost to drive 6 miles? Set up and solve? Thanks
*Monday, February 17, 2014 at 11:52am*

**Problem solving **

A rental car agency charges $15 per day plus $.11 per mile to rent a certain car. Another agency charges $18 per day plus 8 cents per mile to rent the same car. If they rent the car for one day how many miles will they have to be driven for the cost of a car from the first ...
*Monday, February 17, 2014 at 11:46am*

**Problem solving **

A rental car agency charges $15 per day plus $.11 per mile to rent a certain car. Another agency charges $18 per day plus 8 cents per mile to rent the same car. If they rent the car for one day how many miles will they have to be driven for the cost of a car from the first ...
*Monday, February 17, 2014 at 11:43am*

**U.S History - Pls check my answer, tks :)**

Document A - President Jackson’s First Annual Message to Congress (December 7, 1829: Our conduct toward the Indians is deeply interesting to our national character. Surrounded by the whites with their arts of civilization the whites have destroyed the resources of the ...
*Monday, February 17, 2014 at 9:56am*

**Grammar Answer Check**

Identify the underlinded conjunctions in the following excerpts from "The Interlp[ers" as "coordinating," "correlative," or "subordinating." 1. ...a man stood one winter night watching _and_ listening, _as though_ he waited for some ...
*Monday, February 17, 2014 at 8:15am*

**geometry circles equation i dont know **

please he lp Find the equation of a circle circumscribes a triangle determined by the line y= 0 , y= x and 2x+3y= 10 this is my first timein this website please help me need it badly my teacher will be angry at me so much
*Monday, February 17, 2014 at 6:57am*

**physics**

1 An object is thrown upward from the edge of a tall building with a velocity of 10 m/s. Where will the object be 3 s after it is thrown? Take g=10ms−2 15 m above the top of the building 30 m below the top of the building 15 m below the top of the building 30 m above ...
*Monday, February 17, 2014 at 6:36am*

**Physics**

In the annual battle of the dorms, students gather on the roofs of Jackson and Walton dorms to launch water balloons at each other with slingshots. The horizontal distance between the buildings is 40.0 m, and the heights of the Jackson and Walton buildings are, respectively, ...
*Sunday, February 16, 2014 at 8:40pm*

**English ms sue**

Can you check my answers? From the words below, supply the words needed to complete the sentences. Peerless, sporadic, bravado, perceptive, stoic, and stymied C. His reckless BRAVADO caused a bad accident. Although he had broken his leg, he was rather STYMIED about it and ...
*Sunday, February 16, 2014 at 8:23pm*

**Grammar Answer Check **

Identify the underlinded conjunctions in the following excerpts from "The Interlp[ers" as "coordinating," "correlative," or "subordinating." 1. ..a man stood one winter night watching _and_ listening, _as though_ he waited for some beast...
*Sunday, February 16, 2014 at 7:16pm*

**English**

Can you read this essay first, and then tell me how I should block the scene and perform it, I have no idea how I should do this. Hi, I'm William Shakespeare. I had disappeared from the records for seven years. Many rumors flew around, including that I liked to poach. They...
*Sunday, February 16, 2014 at 7:16pm*

**English - ms sue**

Can you check my answers? From the words below, supply the words needed to complete the sentences. Peerless, sporadic, bravado, perceptive, stoic, and stymied C. His reckless BRAVADO caused a bad accident. Although he had broken his leg, he was rather PERCEPTIVE about it and ...
*Sunday, February 16, 2014 at 5:31pm*

**maths**

the first three terms of a geometric sequence are: t1; t2 and t3. if t2=t1-4 and t3=t2-9. determine the values of t1; t2 an t3
*Sunday, February 16, 2014 at 3:21pm*

**Probability**

* I have a question. The sentence below says, "A PENNY, a NICKEL, and a DIME are flipped....." Does this go in order? That is,.....for example: (H,T,H)The first H is for PENNY, the T is for NICKEL, and the last H is for DIME? A penny, a nickel, and a dime are flipped...
*Saturday, February 15, 2014 at 7:09pm*

**decorative features**

please check my answers to ics questions 04201800 1. In making a wool dress, a suitable finish for the neckline opening of the dress is a A. wrap and strap opening. C. bound opening. my answer is d B. continuous strip opening. D. faced-slit opening. 2. In making a box pleat, ...
*Saturday, February 15, 2014 at 5:37am*

**Rational Exponents - Please Help!!!!**

I will appreciate it if anyone can help me with the following: 1. The optimal height h of the letters of a message printed on pavement is given by the formula . Here, h= (0.00252d^(9/4))/e d is the distance of the driver from the letters and e is the height of the driver’...
*Friday, February 14, 2014 at 9:52pm*

**Pre-Cal **

A Ferris wheel is 50 meters in diameter and boarded from a platform that is 5 meters above the ground. The six o'clock position on the Ferris wheel is level with the loading platform. The wheel completes one full revolution every 9 minutes. You make two complete ...
*Friday, February 14, 2014 at 1:12pm*

**Pre-Cal **

A Ferris wheel is 40 meters in diameter and boarded from a platform that is 5 meters above the ground. The six o'clock position on the Ferris wheel is level with the loading platform. The wheel completes one full revolution every 7 minutes. You make two complete ...
*Friday, February 14, 2014 at 12:45pm*

**S.S Check my answers**

1.What Canadian landform covers about half of the country? the Canadian Shield 2.The four major kinds of natural vegetation in the United States and Canada are tundra, grassland, desert scrub, and Forest 3.Why is mining important to the economy of the United States? Industries...
*Friday, February 14, 2014 at 12:40pm*

**CIS/105**

Hello I need help with my upcoming finals project here is what I have to do: Use information and data obtained from at least four reliable Internet sources to produce a 12- to 15-slide PowerPoint® presentation about multimedia tools that aid classroom instruction. Include ...
*Thursday, February 13, 2014 at 9:19pm*

**Math 7**

When finding area, When you divide a triangle or trapezoid, Do we do everything else first then divide or do we divide first?
*Thursday, February 13, 2014 at 5:04pm*

**Art-plz check!!**

1. This American monument was inspired by Ramses’ Abu Simbel. Washington Monument Mount Rushmore Statue of Liberty Lincoln Monument 2. Ramses’ first temple at Abu Simbel intended to send this message. a message of celebration and joy a message of welcome a message ...
*Thursday, February 13, 2014 at 4:19pm*

**physics**

A hydrogen atom in an excited state emits a Balmer beta photon followed by a Lyman alpha photon. The electron decayed from the third excited state to the first excited state to the ground state. True or False.
*Thursday, February 13, 2014 at 1:14pm*

**Language Arts**

These Questions Are Relating To the Story "In Praise of Companion Animals" 14. Which of the following statements from the editorial uses reason to persuade the reader? A. First of all, a pet is good for your health. B. They give love without reservation. C. It needs ...
*Thursday, February 13, 2014 at 6:26am*

**Algebra (Integer Problem)**

The sum of three positive numbers is 33. The second number is 3 greater than the first and the third is 4 times the first. Find the three numbers.
*Thursday, February 13, 2014 at 4:52am*

**German Help please**

1.Mutters Sohn ist A. meine Mutter. B. mein Bruder.***** C. meine Schwester. D. meine Bruder. 2.Vaters Vater ist A. mein Großvater.***** B. meine Großmutter. C. mein Vater. D. mein Großvater. 3. Mutter und Vater sind A. meine Cousins. B. mein Geschwister. C. ...
*Wednesday, February 12, 2014 at 10:49pm*

**Statistics**

Height (ft) Interval after (min) 96 68 111 80 76 66 91 72 66 58 108 79 116 84 91 79 The data show the time intervals after an eruption (to the next eruption) of a certain geyser. Find the regression equation, letting the first variable be the independent (x) variable. Find the...
*Wednesday, February 12, 2014 at 10:15pm*

**math**

a box can holds 4 rows of 5 cubes in its first layer which expression should i use to get my answer
*Wednesday, February 12, 2014 at 6:59pm*

**Physics**

A hydrogen atom in an excited state emits a Balmer beta photon followed by a Lyman alpha photon. The electron decay from: the first excited state to the ground state, the second excited state to the ground state, the third excited state to the first excited state to the ground...
*Wednesday, February 12, 2014 at 2:56pm*

**LANGUAGE ARTS UGRENT!!! (Check Answers)**

1. I was disgruntled by what you said, but I didn’t want to show my (1 point) happiness. **anger. jealousy. 2. When Peter tells everyone that Mr. Van Daan is going to sell Mrs. Van Daan’s coat, a stage direction reveals that Peter’s sympathy is with (1 point) ...
*Wednesday, February 12, 2014 at 1:18pm*

**physics**

A 78.0 kg person is being pulled away from a burning building as shown in Figure 4.27. Calculate the tension in the first rope, T1, if the person is momentarily motionless.
*Wednesday, February 12, 2014 at 11:54am*

**physics**

Two teams of nine members each engage in a tug of war. The first team's members have average masses of 64 kg and exert average forces of 1350 N horizontally. The second team's members have average masses of 69 kg and exert average forces of 1371 N horizontally. (a) ...
*Wednesday, February 12, 2014 at 11:41am*

**physics**

A bicyclist makes a trip that consists of three parts, each in the same direction (due north) along a straight road. During the first part, she rides for 25.7 minutes at an average speed of 8.82 m/s. During the second part, she rides for 29.6 minutes at an average speed of 4....
*Wednesday, February 12, 2014 at 9:54am*

**Geometry**

Write the ratio of the first measurement to the second measurement. Diameter of care tire:40cm Diameter of care tire:18mm I'm not sure hoow to do this. May someone explain how to do this problem.
*Wednesday, February 12, 2014 at 9:20am*

**Maths**

Grandpa places money in an account on your first birthday and will place that same amount in the account every year, ending with your 18th birthday. So there is a total of 18 deposits starting on first birthday. He expects to earn 8% interest per year. How much does he have to...
*Wednesday, February 12, 2014 at 9:19am*

**physics**

1 A passenger in a moving car and a passerby standing at the road side see each other as moving in the opposite direction. Which of the following is NOT true? The passenger is in motion relative to the passer-by The passer-by is stationary relative to the passenger Both ...
*Wednesday, February 12, 2014 at 6:11am*

**Math**

The sum of two numbers is 30. The first number is 1/5 the second number. What are the numbers
*Tuesday, February 11, 2014 at 10:49pm*

**Biology**

Can someone please help me find a website? I am doing a project on Maple Syrup Urine Disease and need to find a website that says when the disease was first discovered or how long we have known about it.
*Tuesday, February 11, 2014 at 10:42pm*

**math**

Kurt used the rule add 4, subtract 1 to generate a pattern. The first term in his pattern is 5. Which number could be in Kurt's pattern? a.) 4. B.) 6. c.) 10. d.) 14. My answer is d.
*Tuesday, February 11, 2014 at 8:41pm*

**Dividing Radicals Problem!!**

Divide the following radical and simplify the answer. ((-3-2√48))/((14√50-8)) A.(24+210√2+64√3+560√6)/(-9736) B.(12+105√2+32√3+280√6)/(-4868) C.(12+105√2+32√3+280√6)/4868 D. (24+210√2+...
*Tuesday, February 11, 2014 at 7:52pm*

**More Algebra - Dividing Radicals!**

A hotel wants to put a fence around a circular spa. The radius of the spa is 5/(√2-1)feet. If the fence is built along the immediate edge of the spa, what is the perimeter of the fence? (Recall that the perimeter of a circle is 2πr, where r is the radius of the ...
*Tuesday, February 11, 2014 at 7:11pm*

**econ**

The International Disc Jockey\'s Union has a wage contract that stipulates a yearly wage increase based on the Consumer Price Index. If this year\'s wage is $25.00, the current CPI is 180, and the contract was first signed in the base year, what was the original salary...
*Tuesday, February 11, 2014 at 6:08pm*

**physic**

Two teams of nine members each engage in a tug of war. The first team's members have average masses of 69 kg and exert average forces of 1350 N horizontally. The second team's members have average masses of 74 kg and exert average forces of 1356 N horizontally.
*Tuesday, February 11, 2014 at 3:02pm*

**math 3**

A bag contains 4 yellow, 2 red, and 6 green marbles. Two marbles are drawn. The first is replaced before the second is drawn. A random variable assigns the number of red marbles to each outcome. Calculate the expected value of the random variable
*Tuesday, February 11, 2014 at 1:12pm*

**Econ**

1. When Joe started his job at the laundromat 5 years ago, his wage was $5.50 an hour. Today his wage is $8.50 an hour. If Joe started his job in the base year, and his real wage is the same as when he started, what is the Consumer Price Index today? 2. The International Disc ...
*Tuesday, February 11, 2014 at 9:10am*

**economic**

6. The table below is a set of hypothetical production possibilities for a nation. Combination Automobiles(thousands) Beef (thousands of tons) A 0 10 B 2 9 C 4 7 D 6 4 E 8 0 a) Plot the production possibility data. What is the opportunity cost of the first 20000 cars produced...
*Tuesday, February 11, 2014 at 3:06am*

**Statistics in Psychology**

19. You measure how much people are initially attracted to a person of the opposite sex and how anxious they become during their first date. For the following ratio data, answer the questions below. Participant Attraction X Anxiety Y 1 2 8 2 6 14 3 1 5 4 3 8 5 6 10 6 9 15 7 6 ...
*Monday, February 10, 2014 at 10:52pm*

**math**

Suppose your bank account was worth $1000 at the beginning of last year. If your balance increased by 3% during the first half of the year and by 2% during the second half, what was your balance at the end of the year?
*Monday, February 10, 2014 at 7:12pm*

**history**

In England, _______ housed totally destitute people at public expense and resembled the conditions of the first _______.
*Monday, February 10, 2014 at 6:08pm*

**History**

1. The first major ruler of the Qing Dynasty was: A. Kangxi. B. Hongwu. C. Qianling. D. Yongle. im confused between A and C 2. Which of the following is accurate regarding of the effects of Qianlong's trade policy with England? A. It showed Lord Macartney that he could not...
*Monday, February 10, 2014 at 2:05pm*

**ss-help**

Why were Native Americans forced to leave their lands during the 1830s? settlers wanted to settle the land U.S. citizens settled the land first the Supreme Court ordered their removal their new lands were better for farming Why was the forced march called the "Trail of ...
*Monday, February 10, 2014 at 10:36am*

**Physical Chemistry**

If 20.0mL of 0.122M NaOH are required to reach the first equivalent point of a solution of citric acid(tripotic acid H3C6H5O7).How many mL of NaOH in total are required to reach the second equivalence point?
*Monday, February 10, 2014 at 4:07am*

**Chemistry**

iron has three main naturally occuring isotopes which can be investigated using a mass spectrometer. The first stage in the operation of the mass spectrometer is vaporization. The iron is then oxidized. Explain why the iron is oxidized. Explain why a very low pressure is ...
*Sunday, February 9, 2014 at 9:29pm*

**physics**

passenger in a moving car and a passerby standing at the road side see each other as moving in the opposite direction. Which of the following is NOT true? The passenger is in motion relative to the passer-by The passer-by is stationary relative to the passenger Both observers ...
*Sunday, February 9, 2014 at 7:09pm*

**intermediate algebra**

A woman has a total of $9,000 to invest. She invests part of the money in an account that pays 5% per year and the rest in an account that pays 10% per year. If the interest earned in the first year is $650, how much did she invest in each account?
*Sunday, February 9, 2014 at 5:59pm*

**Algebra 2**

Can someone please explain how to do this problem? Woodrow wins a tic-tac-toe game 65% of the time when he chooses the first square and 32% of the time when his opponent chooses the first square. The player who plays first is chosen by a coin toss. What is the probability that...
*Sunday, February 9, 2014 at 3:43pm*

**algebra & trigonometry**

The sum of three whole numbers is 7. The second number is 1 more than the twice of the third number. The sum of first and third number is 3 less than the second number. Find all the three numbers. Thanks
*Sunday, February 9, 2014 at 1:47pm*

**algebra & trigonometry**

The sum of three whole numbers is 7. The second number is 1 more than the twice of the third number. The sum of first and third number is 3 less than the second number. Find all the three numbers. Thanks
*Sunday, February 9, 2014 at 1:42pm*

**Physics**

a vector with a magnitude of 17.6 m is directed at angle θ = 43o counterclockwise from the +x axis. What are the components (a) ax and (b) ay of the vector? A second coordinate system is inclined by angle θ' = 20o with respect to the first. What are the ...
*Sunday, February 9, 2014 at 6:17am*

**economic**

6. The table below is a set of hypothetical production possibilities for a nation. Combination Automobiles(thousands) Beef (thousands of tons) A 0 10 B 2 9 C 4 7 D 6 4 E 8 0 a) Plot the production possibility data. What is the opportunity cost of the first 20000 cars produced...
*Sunday, February 9, 2014 at 12:25am*

** economic**

The table below is a set of hypothetical production possibilities for a nation. Combination Automobiles(thousands) Beef (thousands of tons) A 0 10 B 2 9 C 4 7 D 6 4 E 8 0 a.)Plot the production possibility data. What is the opportunity cost of the first 20000 cars produced? ...
*Sunday, February 9, 2014 at 12:16am*

**Physics**

A vector with a magnitude of 17.6 m is directed at angle θ = 43o counterclockwise from the +x axis. What are the components (a) ax and (b) ay of the vector? A second coordinate system is inclined by angle θ' = 20o with respect to the first. What are the ...
*Sunday, February 9, 2014 at 12:13am*

**Physics**

Sound is emitted by a point source. You wish to compare the sound intensity and sound intensity level from this source at two different sites. If the distance to the second site is a factor of 6 greater than the distance to the first, determine the following. (a) Determine the...
*Saturday, February 8, 2014 at 8:44pm*

**Physics**

Sound is emitted by a point source. You wish to compare the sound intensity and sound intensity level from this source at two different sites. If the distance to the second site is a factor of 6 greater than the distance to the first, determine the following. (a) Determine the...
*Saturday, February 8, 2014 at 7:16pm*

**science**

A British Concorde (BC) and a French Concorde (FC) flew in opposite directions around the earth (40 000 km). The BC covered half of its flight distance at a supersonic speed of 2500 km/h and the other half at a subsonic speed of 1000 km/h. The FC spent half of its flight time ...
*Saturday, February 8, 2014 at 7:13pm*

**physics**

a bead on a wire 30m high is released and reaches point A, where is loops twice towards the right. what is the velocity and acceleration at point A-D? point A is at 20m directly below from starting point. Point B is 10m at the bottom of the first loop. point C is in between ...
*Saturday, February 8, 2014 at 7:06pm*

**Physics**

The energy of the first excited state of a hydrogen atom is -0.34 eV ± 0.0003 eV. What is the average lifetime of for this state?
*Saturday, February 8, 2014 at 4:11pm*

**forces**

Two teams of nine members each engage in a tug of war. The first team's members have average masses of 64 kg and exert average forces of 1350 N horizontally. The second team's members have average masses of 69 kg and exert average forces of 1365 N horizontally. (a) ...
*Saturday, February 8, 2014 at 2:24pm*

**Chemistry**

A titration involves titrating 0.4 M NaOH into a solution of 0.2 M H3PO4. a.) Calculate the volume of NaOH that will be required to reach the first equivalence point. b.) Calculate the volume of NaOH required to reach the second equivalence point. Other information: 10 ml ...
*Saturday, February 8, 2014 at 2:03pm*

**MITx: 6.002x Circuits and Electronics**

The step response of a circuit is its response to a step input, u(t). Knowing the step response of a linear circuit is extremely valuable as we can figure out the circuit's stability. In this problem we will analyze the circuit in Figure 1 for the output voltage, vO(t) ...
*Saturday, February 8, 2014 at 11:05am*

**math**

Select the first five terms in the arithmetic sequence an = 8n, starting with n = 1
*Saturday, February 8, 2014 at 12:56am*

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