Friday

October 24, 2014

October 24, 2014

**Recent Homework Questions About First Aid**

Post a New Question | Current Questions

**Memorable Letter Evaluation (Writeacher)**

Write a letter to your parents about a memorable moment in your life, using imagery to capture your experience. I origionally sumbitted a different letter, but Bob insisted that I should write more about my feelings toward my experience than using imagery. "Dear Mom and ...
*Wednesday, April 9, 2014 at 8:02pm*

**Memorable Letter Evaluation (Writeacher)**

Write a letter to your parents about a memorable moment in your life. Be sure to use imagery. I tried to use imagery, as instructed, but not wordiness. What I written: "First arriving at Girl’s Camp has become one of the most memorable moments of my life. What I had ...
*Wednesday, April 9, 2014 at 6:38pm*

**Language arts help ms sue.**

1. Based on reading only the title and headings, what would you think the article was about? (1 point) a renewed interest in hunting and fishing an animal population with an uncertain future the threat logging poses to forest animals a group of dinosaurs roaming a local ...
*Wednesday, April 9, 2014 at 5:59pm*

**Math(Factorial)**

A women student is to answer 10 out of 13 questions on a test. Find the number of choices where she must answer: (a) the first two questions; (b) the first or second questions but not both; (c) exactly 3 out of the first 5 questions (d) at least 3 of the first 5 questions ...
*Wednesday, April 9, 2014 at 4:56pm*

**Calculus**

I have a couple of questions and i wanted to know if my answers are correct. Thanks in advanced! 1. Determine the values of x for which the function f(x)=x+2/x-2 is discontinuous Would the answers be x=2 because the function would be undefined? 2. An oil tank is being drained ...
*Wednesday, April 9, 2014 at 1:42pm*

**Chemistry**

Are my answers correct? Identify each energy exchange as primarily heat or work and determine weather the sign of ?E is positive or negative for the system. A. A rolling billiard ball collides with another billiard ball. The first ball (system) stops rolling after the ...
*Wednesday, April 9, 2014 at 1:30pm*

**Math Accounting**

Determine the proposal’s appropriateness and economic viability. For all scenarios, assume spending occurs on the first day of each year and benefits or savings occurs on the last day. Assume the discount rate or weighted average cost of capital is 10%. Ignore taxes and ...
*Wednesday, April 9, 2014 at 11:53am*

**Science**

Sports teams always have instant cold packs stored in their first aid kits. Two chemicals are separated by a barrier inside the bag. Based on what you now know, explain how this cold pack gets cold without ice and what type of reaction is formed here? Please help! I do not ...
*Wednesday, April 9, 2014 at 11:47am*

**algebra 2**

if someone offers to pay you 1 penny on the first day, 2 pennies on the second day, 4 pennies on the third day, 8 pennies on the fourth day, 16 pennies on the fifth day ad so on. What is the first day on which your pay would be at least $100.
*Wednesday, April 9, 2014 at 10:42am*

**algebra 2**

Mr Brown salary is $32,000 and increases $300 each year. Write a sequence showing the salary for the first 5 years. When will he make over $34,700.
*Wednesday, April 9, 2014 at 10:04am*

**math**

Name the position of the first digit of the quotient. 1. 832/4 2. 217/7 I don't understand. Someone please explain to me.
*Tuesday, April 8, 2014 at 10:24pm*

**physics**

A thin, uniform rod is hinged at its midpoint. To begin with, one-half of the rod is bent upward and is perpendicular to the other half. This bent object is rotating at an angular velocity of 7.1 rad/s about an axis that is perpendicular to the left end of the rod and parallel...
*Tuesday, April 8, 2014 at 9:40pm*

**Social Studies **

Has the effort of Westerners to aid the rest of the world done more good than harm? Its a opinon but i would like a answer please. Please make your answer at least 6 sentences. Thank you very much
*Tuesday, April 8, 2014 at 6:21pm*

**Reading Honors**

is this a good intro paragraph use what you learned from reading "The Cask of Amontillado" to write an essay that provides an analysis of how the author creates the effect of surprise. William Shakespeare asked, “If you prick us do we not bleed? If you tickle ...
*Tuesday, April 8, 2014 at 4:34pm*

**mathematics **

The number of buds on the plant doubles every week for six weeks if there are two buds on the plant at the end of the first week calculate the number of buds that there will be at the end of six weeks
*Tuesday, April 8, 2014 at 4:33pm*

**Physic II**

Describe a situation in which you expect the initial cooling rate of a given object to be rapid and one in which the initial cooling rate might be slow. Note: the initial cooling rate is the change in temp. per second at first
*Tuesday, April 8, 2014 at 3:02pm*

**chemistry**

Are my answers correct? Identify each energy exchange as primarily heat or work and determine weather the sign of ΔE is positive or negative for the system. A. A rolling billiard ball collides with another billiard ball. The first ball (system) stops rolling after the ...
*Tuesday, April 8, 2014 at 2:18pm*

**Physics multiple choice questions**

1. Which of the following energy transformations best describes the operation of a solar powered battery charger? (a) electrical energy --> thermal energy --> kinetic energy (b) nuclear energy --> potential energy --> chemical energy (c) thermal energy --> ...
*Tuesday, April 8, 2014 at 1:22pm*

**Algebra **

Maria's average speed for a 6 hour trip was 40kph. For the first 4 hours, she drove at an average rate of 50kph. What was her average speed for the last 2 hours?
*Tuesday, April 8, 2014 at 10:44am*

**chemistry**

Are my answers correct? Identify each energy exchange as primarily heat or work and determine weather the sign of ΔE is positive or negative for the system. A. A rolling billiard ball collides with another billiard ball. The first ball (system) stops rolling after the ...
*Tuesday, April 8, 2014 at 10:36am*

**Shakespeare:Julius C.**

What side of Cassius' character is seen for he first time? " So oft as that shall be, So often shall the knot of us be called “The men that gave their country liberty.”
*Tuesday, April 8, 2014 at 10:33am*

**Micro economics**

Consider a firm with the following production function: q = (ak+bl)^(1/2) The firm's total costs can be written as C = F + rk + wl 1. Calculate the firm's contingent factor demand. Illustrate it in a graph including the firm's isoquant map 2. Assume that r/w > a...
*Tuesday, April 8, 2014 at 7:16am*

**Chemistry**

There are two containers filled with gases. In both containers, gases are at the same temperature and presssure. The first container is 3 L and contains 0.9 moles of gas. The second container is 1 L. How many moles of gas are there in the second container?
*Monday, April 7, 2014 at 10:42pm*

**Sentence Completion **

Demonstrate your understanding of the Word Bank words by completing each sentence in the space below. Word Bank: obsessed, aesthetic, arbitrary 1. Because Scott McCloud really was obsessed with comics, he probably knew all there was to know about them. 2. McCloud's ...
*Monday, April 7, 2014 at 10:22pm*

**Single Room, Earth View by Sally Ride--Help!**

This regards the story "Single Room, Earth View" by Sally Ride. Choose one of the following quotations; then in a few paragraphs, discuss how Sally Ride's observations support or refute the quotation. Quotations: 1. "Observation is a passive science, ...
*Monday, April 7, 2014 at 10:07pm*

**Biology**

Can someone please tell me if I have the right answers? Pasteur's experiments led to which theory? A. biogenesis theory B. endosymbiont theory C. evolution theory D. spontaneous generation theory I think its A or D Scientists have fossil evidence for which idea for the ...
*Monday, April 7, 2014 at 9:28pm*

**Math**

At a baseball stadium, every eighth person received a coupon for free popcorn. Every thirtieth person received a free hot dog. WHich person was the first to receive both free gifts?
*Monday, April 7, 2014 at 8:50pm*

**English**

__________ is/are located at the top of each page in the dictionary and tell you the first and last word on the page. A. Front matter B. Back matter C. Entries D. Guide words D
*Monday, April 7, 2014 at 8:47pm*

**Language Arts**

Question #1. What details support the idea that scientists and everyday citizens have different responses to the rediscovery of the ivory-bills? Back from Extinction In 2004, two biologists were canoeing in a remote part of Arkansas. They were searching for a bird that local ...
*Monday, April 7, 2014 at 8:38pm*

**Math **

Angles A and B are located in the first quadrant. If sin a =5/13 and cos b= 3/5 , determine the exact value of cos (a+b) .
*Monday, April 7, 2014 at 6:31pm*

**5th grade math**

On each bounce a ball reaches 4/5 of the height of its previous bounce.How high will the ball bounce on its 3rd bounce? Also, how many bounces will it take the ball to bounce to a height that is less than 1/2 of the height of the first bounce?
*Monday, April 7, 2014 at 5:50pm*

**Math**

22.Angles A and B are located in the first quadrant. If and , determine the exact value of . How do I get 16/65?
*Monday, April 7, 2014 at 5:44pm*

**physics**

An infinitely long thin metal strip of width w=12cm carries a current of I=10A that is uniformly distributed across its cross section. What is the magnetic field at point P a distance a=3cm above the center of the strip as shown? This one requires some integration! I suggest ...
*Monday, April 7, 2014 at 5:01pm*

**Science**

Use Newton’s first law of motion to explain how wearing a seat belt in a moving car could help prevent injury.
*Monday, April 7, 2014 at 4:57pm*

**Science**

1.) Use Newton’s first law of motion to explain how wearing a seat belt in a moving car could help prevent injury. 2.) A skydiver prepares to jump out of a plane. Explain how gravity and air resistance will affect the motion of the skydiver before and after he or she ...
*Monday, April 7, 2014 at 3:53pm*

**criminal justice**

1. What was the Metropolitan Police Act? A. Established after the September 11 attacks to protect police officers in New York City B. Established in the early 1800s to form the first large-scale organized police force in London C. Established after the Great Depression to ...
*Monday, April 7, 2014 at 1:20pm*

**Physics multiple choice questions**

1. Which of the following energy transformations best describes the operation of a solar powered battery charger? (a) electrical energy --> thermal energy --> kinetic energy (b) nuclear energy --> potential energy --> chemical energy (c) thermal energy --> ...
*Monday, April 7, 2014 at 12:39pm*

**physics**

An infinitely long thin metal strip of width w=12cm carries a current of I=10A that is uniformly distributed across its cross section. What is the magnetic field at point P a distance a=3cm above the center of the strip as shown? This one requires some integration! I suggest ...
*Monday, April 7, 2014 at 5:36am*

**Physics -- check answers please**

1. Which of the following energy transformations best describes the operation of a solar powered battery charger? (a) electrical energy --> thermal energy --> kinetic energy (b) nuclear energy --> potential energy --> chemical energy (c) thermal energy --> ...
*Monday, April 7, 2014 at 12:15am*

**Biomechanics**

While pushing off against the starting blocks at the beginning of a race, Olympic swimming great Michael Phelps generates a force that increases linearly from 0 N to 800 N over the first 0.30 s, and then decreases steadily back to 0 N over the remaining 0.30 s (see the graph ...
*Sunday, April 6, 2014 at 11:22pm*

**Biomechanics**

Two ice skaters start out motionless in the center of an ice rink. They then push each other apart. The first skater (mass = 80 kg) moves to the right with a velocity of 2.5 m/s. The second skater (mass = 58 kg) moves to the left at some unknown speed. If we assume that the ...
*Sunday, April 6, 2014 at 11:21pm*

**Biology**

Can someone please tell me if I have the right answers? Pasteur's experiments led to which theory? A. biogenesis theory B. endosymbiont theory C. evolution theory D. spontaneous generation theory I think its A or D Scientists have fossil evidence for which idea for the ...
*Sunday, April 6, 2014 at 9:06pm*

**Physics**

Consider two masses that hang from an overhead beam. The first mass of 86.4 kg is attached to the beam using an ideal rope. The second mass of 20.8 kg is attached to the first mass with an ideal rope and hangs directly under the first mass. (a) Find the tension in the lower ...
*Sunday, April 6, 2014 at 8:44pm*

**algebra 2**

what is the sum of the first 11 terms of the arithmetic series in which asub one = -12 and d=5
*Sunday, April 6, 2014 at 8:11pm*

**algebra 2**

What is the sum of the first 60 positive integers?
*Sunday, April 6, 2014 at 7:54pm*

**TO MS SUE Essay help **

I have to write a essay about the confederation of Canada in 1867 and why it was a good choice. I have all of my body paragraphs done but I'm having trouble thinking of a proper introduction. My first sentence for my intro is: confederation was the best choice for the ...
*Sunday, April 6, 2014 at 6:49pm*

**Chemistry**

1) it is found that .30 M solutions of the three shots Na3X, Na2Y and NaZ have pH's of 8.5, 7.0 and 10.5 not necessarily in order. (X,Y, and Z AE anions. Na is sodium ion) A) explain how anions can act as bases in aqueous solution. Write a chemical equation to explain your...
*Sunday, April 6, 2014 at 6:21pm*

**English (essay help)**

I have to write a essay about the confederation of Canada in 1867 and why it was a good choice. I have all of my body paragraphs done but I'm having trouble thinking of a proper introduction. My first sentence for my intro is: confederation was the best choice for the ...
*Sunday, April 6, 2014 at 1:40pm*

**math**

An alloy of copper is 10% copper and weighs 25 pounds. A second alloy is 18% copper. How much (to the nearest tenth lb.) of the second alloy must be added to the first alloy to get a 13% mixture.
*Sunday, April 6, 2014 at 1:31am*

**Math**

During a flu epidemic, the number of children in the Woodbridge Community School System who contracted influenza after t days was given by the following. Q(t) = 7000 1+249 e−0.6 t (a) How many children were stricken by the flu after the first day? (b) How many children ...
*Saturday, April 5, 2014 at 10:04pm*

**Chem**

1) Which solution will have the lowest OH- A) Na2CO3 B) NaHCO3 C) NaCl D) NaHSO4 E) NH4Cl 2) Which solution will be the strongest base? A) Na2CO3 B) NaHCO3 C) NaCl D) NaHSO4 E) NH4Cl 3) Which aqueous solutions are acidic? A) Na2CO3 and NaHCO3 B) NaCl and NH4Cl C) NaHSO4 and ...
*Saturday, April 5, 2014 at 9:33pm*

**math**

a rope was 9.45 meters. the length of the first piece of rope was 1/5 of the original length. the second piece of rope was 0.12 meter longer than the third piece.how long was the second piece of rope
*Saturday, April 5, 2014 at 3:35pm*

**Biographical Essay Evaluation (Writeacher)**

Write a 3-paragraph Biographical Essay. Discuss your experiences with summmer: the things you enjoyed and the things you missed about school. I am beginning to simplfy my writting, as Bob suggested. However, I am going to sumbit the only the first paragraph first, so that I ...
*Saturday, April 5, 2014 at 12:54pm*

**english writing**

what is the best way to start a memoir about my first job experience? thank you
*Saturday, April 5, 2014 at 9:53am*

**Science**

1.) Use Newton’s first law of motion to explain how wearing a seat belt in a moving car could help prevent injury. 2.) A skydiver prepares to jump out of a plane. Explain how gravity and air resistance will affect the motion of the skydiver before and after he or she ...
*Friday, April 4, 2014 at 8:02pm*

**SCIENCE HELP ASAP! :)**

1.) Use Newton’s first law of motion to explain how wearing a seat belt in a moving car could help prevent injury. 2.) A skydiver prepares to jump out of a plane. Explain how gravity and air resistance will affect the motion of the skydiver before and after he or she ...
*Friday, April 4, 2014 at 7:56pm*

**physics**

Two manned satellites approaching one another at a relative speed of 0.500 m/s intend to dock. The first has a mass of 3.50 ✕ 103 kg, and the second a mass of 7.50 ✕ 103 kg. Assume that the positive direction is directed from the second satellite towards the ...
*Friday, April 4, 2014 at 6:52pm*

**Science/Biology**

Please check my answers: 1. Which of the following correctly states the relationship between monkeys and humans? A. Humans and monkeys evolved from apes. B. Humans evolved from monkeys. C. Humans and monkeys evolved from the same ancestor, which is now extinct. D. Humans ...
*Friday, April 4, 2014 at 4:40pm*

**English**

Determine the Narrator's perspective The previous night, make your plans for the next day and write them down...If you attend an exclusive Samurai's party and feel timid, you cannot do your part in making it a successful party. You had first better prepare by ...
*Friday, April 4, 2014 at 1:59pm*

**English**

Determine the Narrator's perspective The previous night, make your plans for the next day and write them down...If you attend an exclusive Samurai's party and feel timid, you cannot do your part in making it a successful party. You had first better prepare by ...
*Friday, April 4, 2014 at 1:59pm*

**Social Studies**

Read the speech below. It is a fictitious political speech by Peter, a candidate for the upcoming national election. Then answer the following questions: List all of the arguments in the speech List all of the non-arguments in the speech List all of the factual contents in the...
*Friday, April 4, 2014 at 10:18am*

**Maths**

If the 7th term of an AP is twice the third term and the sum of the first four terms is 42
*Friday, April 4, 2014 at 2:26am*

**Biographical Essay Evaluation (Writeacher)**

Write a 3-paragraph Biographicl Essay. Discuss your experiences with summer: the things you enjoyed and the things you missed about school. What I have written: "A strong sense of freedom is one of my favorite things about summer. Setting in only once the school year has ...
*Friday, April 4, 2014 at 12:02am*

**science**

How does Newton's first law of motion explain the movement of your body when in a car in which you are riding stops suddenly?
*Thursday, April 3, 2014 at 11:43pm*

**science**

How does Newton's first law of motion explain the movement of your body when in a car in which you are riding stops suddenly?
*Thursday, April 3, 2014 at 10:34pm*

**social studies 9**

explain why the mohawks and the other first nations would choose to become allies with europeans, even though they knew that all the europeans were a threat to their territory and way of life
*Thursday, April 3, 2014 at 7:57pm*

**Works Cited alphabetize**

I know that Works Cited pages go in alphabetical order according to the author's last name. How do you decide which work goes first when you have two works by two authors that have the same last name?
*Thursday, April 3, 2014 at 6:16pm*

**Biographical Essay Evaluation (Writeacher)**

Write a 3-paragraph Biographicl Essay. Discuss your experiences with summer: the things you enjoyed and the things you missed about school. What I have written: "A strong sense of freedom is one of my favorite things about summer. Setting in only once the school year has ...
*Thursday, April 3, 2014 at 4:18pm*

**geometry maths**

a circle of radius 1 is inscribed in a square. A smaller circle is tangent to two sides of the square and the first circle. Determine the radius of smaller circle and larger circle
*Thursday, April 3, 2014 at 1:24pm*

**Science - Check my answers**

1. Which of the following statements best defines tides? when waves get bigger because of an approaching storm the rise and fall of ocean water that occurs about every 12.5 hours **** the rise of ocean water that occurs 12 times a day a giant wave that can be extremely ...
*Thursday, April 3, 2014 at 1:21pm*

**math-urgent**

1. two cards are drawn from a standard of 52 cards. Find the probability that the second card is a spade given that the first card is a club. 2. Suppose you draw 3 cards from a standard deck of 52 cards . Find the probability that the third card is a club given that the first ...
*Thursday, April 3, 2014 at 11:49am*

**geometry **

a circle of radius 1 is inscribed in a square. A smaller circle is tangent to two sides of the square and the first circle. Determine the circumradius and inradius of the smaller circle
*Thursday, April 3, 2014 at 7:35am*

**statistics**

à manufacturer of computers designed to aid social scientists in analyzing research data clams that his computers are opérational for at least 80 percent of the time. during the course of the year one computer was operational for 270 days. test, 1 percent ...
*Thursday, April 3, 2014 at 6:47am*

**Probability**

We have k coins. The probability of Heads is the same for each coin and is the realized value q of a random variable Q that is uniformly distributed on [0,1]. We assume that conditioned on Q=q, all coin tosses are independent. Let Ti be the number of tosses of the ith coin ...
*Thursday, April 3, 2014 at 5:13am*

**english**

i am having troubles on what to right for the conflict and resolution can someone tell me what they are ? Thanks My Stepmother by Thanh Nguyen When my stepmother first came, her eyes were sharp and bright as little knives. Her youth and my childhood ran into each other - she ...
*Wednesday, April 2, 2014 at 10:50pm*

**chemistry**

"Write equations for the half-reactions that occur at the anode and cathode for the electrolysis of the following aqueous solution: CuBr2(aq)" Possible oxidation reactions: 1. 2Br- -> Br2 + 2e- = -1.09 2. 2H2O -> O2 + 4H+ + 4e- = -1.23 Possible reduction ...
*Wednesday, April 2, 2014 at 8:08pm*

**PRE CALC**

The 20th term of an arithmetic sequence is 27 and the first term is -11. What is the common difference??
*Wednesday, April 2, 2014 at 7:01pm*

**english**

Poem title, author Setting Characters Conflict(s) Resolution Rhyme or rhythm, pattern? on turning 10 You tell me it is too early to be looking back, but that is because you have forgotten the perfect simplicity of being one and the beautiful complexity introduced by two. But I...
*Wednesday, April 2, 2014 at 4:55pm*

**Social Studies - Please Check my Answer**

Please check my answer, I am not sure for this one. In 1784 the British forced American merchants to pay duties on a. trade goods imported from the British West Indies. - (This is my answer.) b. trade goods imported through Canadian ports. c. British goods sold in America. d. ...
*Wednesday, April 2, 2014 at 4:00pm*

**Math**

A and B had an equal numbers of cupcakes at first. After B bought twice as many cupcakes as he had at first and A gave away 26 cupcakes, B had 6 times as many cupcakes as A. How many cupcakes did A have at first?
*Wednesday, April 2, 2014 at 9:37am*

**Probability**

Alice has two coins. The probability of Heads for the first coin is 1/3, and the probability of Heads for the second is 2/3. Other than this difference, the coins are indistinguishable. Alice chooses one of the coins at random and sends it to Bob. The random selection used by ...
*Wednesday, April 2, 2014 at 6:10am*

**Probability**

A defective coin minting machine produces coins whose probability of Heads is a random variable Q with PDF fQ(q)={3q2,0,if q∈[0,1],otherwise. A coin produced by this machine is tossed repeatedly, with successive tosses assumed to be independent. Let A be the event that ...
*Wednesday, April 2, 2014 at 6:10am*

**central texas college**

Can somebody help please!!!This is the first time that that I take a literature class, on English II in English and I can really use some help. I am taking English 1302, which is pretty much literature and the teacher told us to define some literacy terms, for example: ...
*Tuesday, April 1, 2014 at 10:41pm*

**Science **

how does interdependence of organisms within an ecosystem aid survival in a temperate forest
*Tuesday, April 1, 2014 at 9:11pm*

**trigonometry**

Sue invested $1000 at 6% per year compounded yearly.Find the values of joe's investment at the end of each of the first five years
*Tuesday, April 1, 2014 at 8:48pm*

**Math- urgent**

The second of two numbers is five more than the twice first. The sum of the numbers is 44. Find the numbers. Show all work.
*Tuesday, April 1, 2014 at 8:22pm*

**Physics**

A stone is dropped at t = 0. A second stone, with 4 times the mass of the first, is dropped from the same point at t = 110 ms. (a) How far below the release point is the center of mass of the two stones at t = 410 ms? (Neither stone has yet reached the ground.) (b) How fast is...
*Tuesday, April 1, 2014 at 4:44pm*

**statistic**

Roll two 6-sided dice and examine their sum. a) How long will it take to roll "snake-eyes" (a pair of ones)? b) What is the probability of rolling a sum of 7 on the first roll? c) What is the probability of rolling a sum of 7 on the fourth roll? d) What is the ...
*Tuesday, April 1, 2014 at 2:55pm*

**Math**

5. There was a drawing for a prize at the Columbus Day celebration downtown. The prize was a scale model of the Santa Maria carved from a single piece of wood by a local artist. It was a beautiful ship and Jose really wanted it. Each $2.25 ticket bought one chance in the ...
*Tuesday, April 1, 2014 at 11:34am*

**arithmetic**

Select the first five terms in the arithmetic sequence an = 4n, starting with n = 1.
*Tuesday, April 1, 2014 at 1:04am*

**Math**

5. There was a drawing for a prize at the Columbus Day celebration downtown. The prize was a scale model of the Santa Maria carved from a single piece of wood by a local artist. It was a beautiful ship and Jose really wanted it. Each $2.25 ticket bought one chance in the ...
*Monday, March 31, 2014 at 5:35pm*

**Math**

Each ticket bought is $2.25. Each ticket bought Gives one chance in the drawing. Jose Purchased 10 tickets. If there were 510 tickets Purchased in all, what is the probability that One of Jose's ticket's will be drawn first? 10/510 or1: 52 chance
*Monday, March 31, 2014 at 4:19pm*

**Math**

Each ticket bought is $2.25. Each ticket bought Gives one chance in the drawing. Jose Purchased 10 tickets. If there were 510 tickets Purchased in all, what is the probability that One of Jose's ticket's will be drawn first? 10/510 or1: 52 chance
*Monday, March 31, 2014 at 4:19pm*

**physics**

Light shines through a single slit whose width is 5.7 × 10-4 m. A diffraction pattern is formed on a flat screen located 4.0 m away. The distance between the middle of the central bright fringe and the first dark fringe is 3.9 mm. What is the wavelength of the light?
*Monday, March 31, 2014 at 2:44pm*

**science**

1. Use the diagram to answer question 1. description: particles have enough energy to break free from each other and can move around freely; particles spread out in different directions sketch: What kind of substance is described? (1 point) solid ...
*Monday, March 31, 2014 at 2:24pm*

**Math **

Find the probability of drawing the face card that is a spade on the first-draw replacing it and drawing a king card on the second draw
*Monday, March 31, 2014 at 11:56am*

**physic**

Physicists claim that charge never flows through an ideal capacitor. Yet when an uncharged capacitor is first placed in series with a resistor and a battery, then current flows through the battery and the resistor. Explain how this is possible.
*Sunday, March 30, 2014 at 8:47pm*

**more proofreading.**

this is another body paragraph to my research paper. can I get this one proofread as well thanks! Both Japan and the United States protect freedoms of speech and press by similar provisions in each nation’s constitution. For example, the First Amendment of the U.S. ...
*Sunday, March 30, 2014 at 6:39pm*

**math**

A salmon has to swim 25 miles upstream. It seems 7 miles each day and drifts 5 miles at night. How many days does it take for the salmon to first reach the 25 mile mark?)
*Sunday, March 30, 2014 at 5:15pm*

**physics**

a race car traveling northward on a straight, level track at a constant speed travels 0.750 km in 20.0 s. the return trip over the same track is made in 25.0 s. a) what is the average velocity if the car in m/s for the first leg of the run? b) what is the average velocity for ...
*Sunday, March 30, 2014 at 3:13pm*

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