Questions Asked on
November 19, 2009

physics
A 0.25 kg stone tied to a 0.5 m string whirls at a speed of 4 m/s. What is the centripetal acceleration acting on the stone?
asked by chris 
algerbra(college)
solve the system of equations by graphing 3x  2y=24 3xy=6
asked by jay 
English
1. I have a couple of books. 2. I have two books. 3. I have two or three books. (What does #1 mean? Does #1 mean #2 or #3?)
asked by rfvv 
English Lit
I really think I have it now. I'm not sure what the dilemma is, its either the lifestyle or the fact that she told Paul that the father had no luck so he tried to help out ending in tragedy. This is a story of a middle class English family that find
asked by Rocking Horse Winner revision 
Algebra
1.1(3x+5)is equal to or greater than 1.6(x+3) I had this one posted earlier but never got anything back on it.
asked by LeAnn 
Physics
1) The vector sum of three vectors gives a resultant equal to zero. what can you say about the vectors? 2) Vector is 3.00 units in length and points along the positive xaxis. Vector is 4.00 units in length and points along the negative yaxis.Use
asked by Aman 
College Algebra
Bayside insurance offers two health plans. Under plan A, Giselle would have to pay the first $60 of her medical bills, plus 25% of the rest. Under plan B, Giselle would pay the first $170, but only 20% of the rest. For what amount of mediacl bills will
asked by LeAnn/I still need help please 
Science
1) The vector sum of three vectors gives a resultant equal to zero. what can you say about the vectors? 2) Vector is 3.00 units in length and points along the positive xaxis. Vector is 4.00 units in length and points along the negative yaxis.Use
asked by Sandy 
English
Where did you volunteer? 1. I volunteered at the Nakdong River. I picked up trash on the seashore with other volunteers. I collected plastic bottles and other things from the river. The river has become cleaner with our work. 2. I volunteered at a city
asked by rfvv 
Physicsplease help!!!
A 190 g particle is released from rest at point A inside a smooth hemispherical bowl of radius 25.0 cm. Calculate the gravitational potential energy at A also, how do you find kinetic energy if you aren't given velocity? please help me! i would really
asked by Fiona 
Physics
A 0.260 kg block on a vertical spring with a spring constant of 5.00x10^3 N/m is pushed downward, compressing the spring 0.100 m. When released, the block leaves the spring and travels upward vertically. How high does it rise above the point of release?
asked by Sarah 
Programing
consider the algebraic expression E=(2x + y) (5ab)^3. Draw the tree T which correspond to the expression E and find the preorder traversal of T.
asked by Sunshine 
algebra
Can you defin unit rate???
asked by Miranda 
History
Hello, I got assignment about Mohenjo Daro and Harrapa from where I can write it? Thanks
asked by Adi ca blish 
Management
The employee performance evaluation focuses on an employee's ability to a.learn the job quickly b.balance home and work responsibilities c. meet performance objectives and goals d.get along well with other employees and supervisor
asked by Jann 
History
Hello my question is that i got assignment at Harappa I need brief encyclopedia for class 6 that i can afford i can`t find it any where in the net so please can you help me out any brief paragraph about Harappa.
asked by Rabika 
physics
If a force of 300N is exerted upon a 60 kg mass for 4 seconds, how much impulse does the mass experience?
asked by Mota 
algebra
Help me find the axis of symmetry of the given funtion. Y=x22x+4
asked by jacqueline 
physics
A billiard ball approaches a cushioned edge of a billiard table with momentum, p. After the collision with the cushion, it bounces straight back with the same amount of momentum in the opposite direction. What is the impulse on the ball?
asked by Mota 
math
In a shop there are 20 customers, 18 of whom will make a purchase. If three customers are selected, one at a time, at random, what is the probability that all will make a purchase? 0.7717 0.7157 0.8524 0.8808
asked by bell 
math
A box contains five blue, eight green, and three yellow marbles. If a marble is selected at random, what is the probability that it is yellow? 1 3/16 3/8 1/3
asked by chris allen 
math
A coat was reduced from $250 to $200. Find the percent of the reduction in price. 1.25 0.8 20 25
asked by darrell earl 
spanish
How do i say i don't like history?
asked by Rachael 
grammar
catching fish (is)one of the oldest pastimes. The word(is) is ither a verb adverb preopstion or conjunction i cant tell which one?
asked by renee 
algebra
please help me with this 7x4>but equal to 3
asked by jacqueline 
grammar
thousands of (years) ago, fish were caught in nets and traps. Ither a verb prepostion interjection, noun
asked by renee 
grammar
Large fish swim (swiftly)in the sea Verb noun adjective adverb im am really confused
asked by renee 
physics
A trajectile, of mass 20 g, traveling at 350 m/s, strikes a steel plate at an angle of 30degrees with a plane of the plate. It ricochets off at the same angle, at a speed of 320 m/s. What is the magnitude of the impulse that the steel plate gives to the
asked by Mota 
maths
im trying to rearrange the following equation for x but getting confused because of the brackets and squares. I understand the process of changing the subject but on more simple equations. Please can you help me. Here's the equation y = 3(x+5)^2
asked by confused 
Physics
Need help ASAP for this one, really hard. to Assignment 11Problem 13.26 Tuning Forks in Neurology Tuning forks are used in the diagnosis of nervous afflictions known as largefiber polyneuropathies, which are often manifested in the form of reduced
asked by Bill 
math
A tie pin which sells for $200.00 has a markup rate of 30% on the selling price. Find the amount of the markup and the cost.
asked by lydia 
Physics
Hello im kinda new here and hoping someone can help me with this energy conservation question (I believe). A 2.10g bullet embeds itself in a 1.30kg  block, which is attached to a spring of force constant 770 N/m . 1) If the maximum compression of the
asked by Charles 
National Deploma Graphics
What are the changes between realisum and abstraction in Europe ?
asked by Tasha 
english
what does the term usage guidelines mean
asked by marie 
geography
Hello i have looked throughout my textbook and my question is cause i can't find it farmers in southeast Asia have adapted to the dry climate of the region by... A.Building Dams and irragation systems B. covering Large ares with forests. C. becaoming
asked by Amanda 
math
Three coins are tossed. Find the probability that no more than one coin lands heads up.
asked by shree 
math
find the standard deviation for the given data. Round your answer to one more decimal place than original data. (9,7,13,24,32,45,47) I get 16.62041 but how do I round my answer to one or more decimal places? I am a little lost.
asked by Marie 
physics
18g of liquid water is placed in a flexible bag, the air is excluded, and the bag is sealed. It is then placed in a microwave oven where the water is boiled to make steam at 100C. What is the volume of the bag after all the water has boiled? Assume that
asked by ana 
math
56/7=?
asked by shirley 
math
56/7=?
asked by shirley 
Creative Writing
Learning to be responsible when still a child is the best training for becoming a responsible adult If you are a responsible child then you will have longer experience being mature when you are an adult There is no better time to practice than when you are
asked by y912f 
english
what are the sound words for rifles,propellers,toasters,crockery and keys?
asked by Susan 
english
What are sound words for rifles,propellors,toasters,crockery,and keys? For eg, sound word for bees is buzz, horn is toot etc.
asked by Susan 
math
What is the probability of rolling a number such that when it is added to 5 it gives a sum less than 11?
asked by Kerri 
english
Thanks writeacher, can i use pop for toasters, jingle for keys and click for crockery?
asked by Susan 
Psycology
Describe how hormones masculinize or feminize sexual development and behavior.
asked by Jay 
English
Hi i have to write an essay about The Sun Also Rises by Ernest Hemingway..i was wondering what some thesis statements would be.....is In this book the lost generation was a term that described how the main characters lived their lives? im not sure thanks
asked by Jake 
Literature
6. In an implied metaphor, the comparison is a. made through the use of verb such as is b. not very flexible or suggestive c. suggested rather than stated directly d. made by the insertion of colorful adjectives C Thanks MC
asked by mysterychicken 
English  Renee
You wrote: In high school I enjoyed the following subjects:shop, art class, lunch, and study hall Is the colon correct or does it need to be a semicolon Colon is correct.
asked by Writeacher 
physics
In a gas at standard temperature and pressure, what is the length of the side of a cube that contains a number of molecules equal to the population of the earth (about 6 million people at present)? I know STP is 1 atm and 273K, but I have no clue how to
asked by sarah 
math
An arithmetic series has third term 11. The ninth term is 5 times the second term. Find the common difference.
asked by sdgsd 
maths
plot the points on the grid. join them with a ruler, label your line y=x2
asked by karoliina 
math
If a polyhedron has 13 vertices and 21 faces, how many edges does it have? I just need to know if I am doing this right. v+f=e+2 13+21=34+2=36 edges.
asked by marie 
Science
Why would the irrigation of plants with sea water be harmful?
asked by 1234 
Literature
'Imagine that you are an extremely intelligent alien from outer space, but you have never seen a human before. For the very first time, you watch a human get out of bed, brush their teeth, sing in a chorus, or play softball. Choose a few of these
asked by mysterychicken 
U.S. History
What are 3 ways that the Mandans benefitted from their interactions with Lewis and Clark?
asked by Anonymous 
science
Why do potatoes grown in mineralrich soils, such as those found in Prince Edwar Island, are better tasting than those grown hydroponically?
asked by 1234 
Physics
e) Adjust the amplitude control of the function generator until the signal has a 6V peaktopeak swing. The resultant form will have the following mathematical equation: v = Vm sin2(pi)ft = 3sing2(pi)500t f) The sinusoidal signal 3sin2(pi)500t has an
asked by Claire 
physics
a metal tank with a volume of 3.10 L will burst if the absolute pressure of the gas exceeds 100 atm. If 11 mol of an ideal gas is put into the tank at a temperature of 23.0 C, to what temperature can the gas be warmed before the tank ruptures? Neglect the
asked by sarah 
physics
A box is given a push so that it slides across the floor. How far will it go, given that the coefficient of kinetic friction is 0.17 and the push imparts an initial speed of 4.1 m/s?
asked by shawn 
grammar
Descriptive essay with the use of degrees of comparison on the topic  At the Airport
asked by sam 
geography
What is the greatest source of conflict between Armenia and Azerbaijan?
asked by MrTJ 
Chem
Determine the mass of iron heated to 85 Celsius to add to 54.0g of ice to produce water at 12.5 Celsius. The speciic heat of iron is 0.045J/g C What steps do I take to solve this problem? Thanks
asked by Lindsey 
health
what would hospital administrators most likely use to make decisions about inpatient services
asked by Renee 
Math 156
how do you solve this absolute value 5 (4)absolute value?
asked by Rmz 
American History
1.Get to Know Your Member of Congress Resources: Get Connected: The Organization of Congress on p. 373 of Government in America Follow the instructions in the text closely and use the Web sites provided to search for committee jurisdiction and to find your
asked by Sueann 
chemistry
a resting person requires 14.5 L of O2 per hour to maintain metabolic activities. Such a person breathes in 0.50 L of air at approximately 20 degrees C with each breath. The inhaled air is 20.9%O2 while the exhaled air is 16.3% O2. (a) how many breaths per
asked by Joe 
English
Can you please tell me what is wrong with this sentence. My teacher underlined it and I can't figure out what is wrong with it. Thank you. With the results of the election in, Andrew Jackson led in the popular and electoral votes, yet did have the majority
asked by Josh 
algebra 2
14 divided by the square root of 125
asked by Akram 
Math
How long will it take to earn $252 in interest if $1200 is invested at a 7% annual interest rate??
asked by Sierra 
Physics
If you place a glass test tube in water, you can see the tube. If you place it in clear soybean oil, you may not be able to see it. What does this indicate about the speed of light in the oil and in the glass?
asked by Jean 
Math
The function((x^2 + 7x + 14)^(1/2))  x has one horizontal asymptote at y=?
asked by Salman 
chemistry grade 12
Question: Balance the following reactions by the oxidation number method. a) I2 + HNO3 > HIO3 + NO2 + H2O so i have N +5 to +4 net charge = 1 I 0 to +5 net charge = +5 i add coefficient where the oxidation number is changing. in this case I2 + 10HNO3
asked by Ron 
math
as tsunamis travel from the deep ocean to more shallow water, they slow down. at a dept of 1,000 meters they travel at 356 kilometers per hour. this is 400 kilometers per hour slower than their speed in deeper ocean water. how fast do tsunamis travel in
asked by sarah 
Chem
Hydrogen peroxide decomposes according to the following: H2O2> H2O(l) + 1/2O2(g); deltaH = 98.2kJ Calculate the change in enthalpy, deltaH, when 1.00g of Hydrogen peroxide decomposes
asked by Lindsey 
science
1)Compare the properties of metals nonmetals and metolliods? 2)Why can elements and compound be considered pure substance? 3)What is the difference between colloids and suspension?
asked by Katherine 
Literature
'Write about how Vita, from Helen on eightysixth street is realistic or nonrealistic to you.' Vita, to me, is realistic. Many other girls her age might envy a classmate and want beauty, even though they probably don't know the Greek myths as much as her.
asked by mysterychicken 
COM 220
What kinds of statistics, graphs, or illustrations could the author have included in the essay the communication collapse
asked by Nathaniel 
chemistry
Show a balanced equation for a diprotic acid reacting with a tribasic base. I have an example of a diprotic acid as H2SO4 and a triprotic base as H3PO4. can i use those? if so please help balance.
asked by jamieson 
science
1)Compare the properties of metals nonmetals and metolliods? 2)Why can elements and compound be considered pure substance? 3)What is the difference between colloids and suspension?
asked by Katherine 
Animal Rights
I am writing a paper about animals rights and how I am for them. What are some good websites that I could look at? What would be a good think for a paragraph to talk about? Thank you :)
asked by Hi 
spanish
I am in spanish 1A. my question is what is these sentences translated in english? 1. a alma le gusta correr? 2.david es de miami o de san antonio? 3.el senor estrada esta bien o terrible? 4. le gusta correr a arturo o a francisco? 5. el senor garcia es de
asked by molly 
mad
how can i finish my homework if there is know one to help me! >:(
asked by molly 
Physics
On a cool morning, when the temperature is 13 C, you measure the pressure in your car tires to be 30 psi. After driving 50 mi on the freeway, the temperature of your tires is 42C. What pressure will your tire gauge now show? T1 = 13 C T2 = 42 C P1 = 30 psi
asked by ana 
Physics
A playground merrygoround has a diskshaped platform that rotates with negligible friction about a vertical axis. The disk has a mass of 240 kg and a radius of 1.4 m. A 33 kg child rides at the center of the merrygoround while a playmate sets it
asked by Rachel 
world history
true or false if false why hindus believe that souls are born and reborn many times each time into a new body which is a process called reincarnation
asked by abby 
Math
The perimeter of an equlateral triangle is 45 inches. A rectangle whose width is 1/3 its length has a perimeter of 48 inches. Which figure has the longest side? Explain.
asked by Angel 
Science
What is it caled when... A family of unreactive elements whose atoms do not gain, lose, or share valence electron
asked by Abby 
science
1)Compare the properties of metals nonmetals and metolliods? 2)Why can elements and compound be considered pure substance? 3)What is the difference between colloids and suspension?
asked by Katherine 
math
I need to know if I did this right. Below is story problem. It has questions labeled af. Under each lettered question, I provided an answer, but I am not confident with my outcome. Can you read it over and tell me if I did it right? If not can you steer
asked by Heather C 
college
calculate the rate at which atoms of a particular fission product are being produced directly by 1 kg of 235U in a thermal neutron flux of 6.92x10^13 if the radionuclide's individual fission yield is .00536%
asked by Jan 
Maths
There is a point (P) on the graph of [x^2+y^2 136 x + 12 y + 4560 = 0] and a point(Q) on the graph of [(y + 6)^2 = x^3  116 x^2  417 x + 267460] such that the distance between them is as small as possible. To solve this problem, we let ((x,y) be the
asked by Salman 
French
How do you make 'cheveux' feminine?
asked by Molly 
Math
I need to know if I did this right. Below is story problem. It has questions labeled af. Under each lettered question, I provided an answer, but I am not confident with my outcome. Can you read it over and tell me if I did it right? If not can you steer
asked by Heather C amendment to question 
biology
what does trna transport
asked by tommy 
Unscramble
Can you unscramble this sentence? the preliminary steps captain took to the organize team Please unscramble these words to make a sentence to make scense.
asked by Maria 
AED 202
at what stage in the maturation process do you believe it is most important to address a child's learning and problem solving strategies
asked by lisa 
chemistry
Does a double or triple bond effect the bond angle?
asked by jamieson 
Physics
Total lung capacity of a typical adult is approximately 5.0L. Approximately 20% of the air is oxygen, as air is 20% oxygen. At sea level and at an average body temperature of 37 C, how many moles of oxygen do the lungs contain at the end of an inflation?
asked by ana 
College physics
A projectile is launched vertically from the surface of the Moon with an initial speed of 1400 . At what altitude is the projectile's speed onehalf its initial value? do you use the equation Ei = Ef and vf would be 700 E= 1/2 mv^2 G (Mass of the
asked by Mary 
physics
calculate the rate at which atoms of a particular fission product are being produced directly by 1 kg of 235U in a thermal neutron flux of 6.92x10^13 if the radionuclide's individual fission yield is .00536%
asked by Jan 
Bio
A biologist was experimenting with a corn plant that had previously incorporated radioactive carbon into starch stored in its cells. She measured the radioactivity present in the following compounds: Sugar extracted from the plant CO2 producd by the plant
asked by Trishia 
Spelling/ Language Arts
Unscramble these words to make a sentence that makes sense the preliminary steps captain took to the organize team PLEASE HELP ME!!!!!!!!!!!
asked by Maria 
math
6.00+6.00(1+x)/(.10x)=145.20 solve for x.
asked by Dave 
Writing
I am working on a research paper, and wanted to go with the theme of how social stigma prevents people with mental illnesses to seek help. However, I need to have include an opposing argument, and I don't think I will be able to find a strong opposing
asked by Ashton 
Social Studies
During the long war between Athens and Sparta,_____ had an advantage because it couldn't be attacked by sea.
asked by Sarah 
math
integral from 5 to 0 1/(4+x^2)^1/2 this is what i have so far 1/(sq.root(4+x^2)) as (1/2) (1+y)^(1/2) with y=(x/2)^2 The binomial series of (1+y)^a = sum_k (a,k) y^k where (a,k) is the binomial symbol. In this case a=1/2. for some reason when i plug in
asked by atif 
calculus
Estimate the area of the region under the curve y = ln(x) for 1 ≤ x ≤ 4. Use the left hand rule with n = 50. Give your answer to four decimal places.
asked by Dana 
Beowulf
I have to create a narrative poem in the AngloSaxon style of Beowulf. And I have to be honest about this one I got nothing. Thank you soo much for the review btw.
asked by English Lit 
math
integral x/(x+5)^1/2 (u5)/u^1/2 du giving u^1/2 du 5u^1/2 du and integral will be now 2/3 u^3/2 10u^1/2 +c =2/3(x+5)^3/2 10(x+5)^1/2 +c =2/3(x+5)^1/2{(x+5) 30} +c =2/3(x+5)^1/2{(x 25} +c have i done something wrong??
asked by atif 
Math
DID I do this right? A homeowner wanted to improve the value of his home by putting tile flooring in three of his rooms. He researched the different types of tile and decided on two types: ceramic tile and decorative tile. He found that he could purchase
asked by H... ASAP 
Math
There is a point (P) on the graph of [x^2+y^2 136 x + 12 y + 4560 = 0] and a point(Q) on the graph of [(y + 6)^2 = x^3  116 x^2  417 x + 267460] such that the distance between them is as small as possible. To solve this problem, we let ((x,y) be the
asked by Salman 
Physics
A 0.500 kg block is sitting on a horizontal, frictionless surface. The block is connected to a horizontal spring with a force constant of 124 N/m. The other end of the horizontal spring rests against a wall. When a 100.0 g arrow is fired into the wooden
asked by Jon 
Calculus
There is a point (P) on the graph of [x^2+y^2 136 x + 12 y + 4560 = 0] and a point(Q) on the graph of [(y + 6)^2 = x^3  116 x^2  417 x + 267460] such that the distance between them is as small as possible. To solve this problem, we let ((x,y) be the
asked by Salman 
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 6.7 m/s. Also, it has an acceleration in the direction parallel to the walls of 1.7 m/s2 . What will be its speed when
asked by Letisha 
math
3/5 divided by 6/7
asked by brittney 
4th grade
4th grader asks how to solve 8100/?=90
asked by joe 
Socials
What is the economic policy called "laissezfaire" all about? The economic policy called "laissez faire" is about business and industry getting freed from government regulations that would hurt their ability to pursue a profit. People who support a
asked by Sara 
Health
what are the ten building blocks for total health
asked by Rosy 
accounting
I am trying to figure out the cost of merchandise destroyed on Feb. 7th given the following information: Jan 1. Merchandise inventory $144,200 Jan. 1Feb. 7 Purchases (net) 40,000 Jan. 1Feb. 7 Sales (net) 70,000 Estimated gross profit rate: 40% (gross
asked by Kingram 
Literature
What do you think makes a good story? A believable story line Good use of vocabulary Interesting characters A strong climax A welldeveloped plot An attentiongrabbing beginning Thanks MC
asked by mysterychicken 
S.S.
I need help finding a current event for school. It has to have something about thankfulness and kindness and stuff in those catagories. It also has to be from Cleveland. Thank You!
asked by Miley Cyrus 
child development
Consider the developmental age groups of early childhood and adolescence ??Create a profile for each age group, detailing the normal physical development of each. ??Document the changes from early childhood to adolescence. ??Post your response in 200 to
asked by scooby 
Calculus
Estimate the area of the region under the curve y = ln(x) for 1 ≤ x ≤ 4. Use the left hand rule with n = 50. Give your answer to four decimal places.
asked by Dana 
Academy of Hospitality and Tourism at Erasmus
What is the earth science tables?
asked by Sharina Summers 
Advanced Biology
I need help finding the terms of each definition. 1.) The "transforming factor" that alters pneumonia bacteria 2.) The three parts of every nucleotide 3.)A pair of these forms a "rung"in the DNA 4.) Used to "label" DNA and protein in experiments
asked by Jennifer 
Socials
Positive and negative effects of "laissezfaire" This is what I have so far: Positive more wealth would be distributed among businesses industries in Britain earned lots of updated technologies that improved industrial processes Negative workers didn't
asked by Sara 
Physics
Hi guys hope someone here can maybe help me out. Two loudspeakers are placed at either end of a gymnasium, both pointing toward the center of the gym and equidistant from it. The speakers emit 286 Hz sound that is in phase. An observer at the center of the
asked by Tommy 
math
9(54)=(3+0)+___
asked by Anonymous 
Mathe/algebra...Please
I am really lost I cannot figure out which formula to use for this problem... Question:The landscaper that maintains Mrs. Jones’ lawn charges a flat fee of $30.00 for each job plus $10.00 per hour for labor. a. Translate the problem situation into an
asked by Lisa 
Physics
31m/s is a typical highway speed for a car. At what temperature do the molecules of nitrogen gas have an rms speed of 31m/s? T=[(x^2)*m]/3k so x=31m/s m=N2=2*14=28g=.028kg k=1.38e^23..I'm keep getting 6.333651477e^10...which is incorrect. What am I
asked by ana 
math
(3x8)+3=__x(5=4)
asked by Anonymous 
History
to what extent was Hitler's rise to power due to personal appeal and ability?
asked by Sasha 
calulus
a particle is moving along the cure y=sqrt x. as the particle passes through the point (4,2), its xcoordinate increase at a rate of 3 cm/s. how fast is the distancefrom the particle to the origin changing at this instant?
asked by jackie 
healthcare financial
ratio analysis
asked by cm 
science
how is building a skyscraper today simular to and different from the building of the pyramids(anykind of pyrsmids) Thnx
asked by julie 
trig
use sum or difference identities to find the exact value of the trigonometric function: tan 345 please show work, i cant figure out what im doing wrong!
asked by Anonymous 
religon
who was caleb in the hebrew bible? give a breif explanation.
asked by dawn 
Creative Writing
Write a minimum of a 500 wordessay or a minimum fivestanza poem using Definition or Classification and Division. (Note: If the poem is free verse, it must be at least 400 words.) Be sure to follow the developmental methods presented in this lesson. Your
asked by y912f 
6th grade
How do you turn eleven hundredths in standard form?
asked by Jessica 
French help part 1
Hello!!!! I am so close to an A in French. I would be so grateful if someone could review this and tell me if I am correct. Thank you!!!!! Complétez chaque phrase avec la forme appropriée d’un de ces verbes. Dire, lire, écrire. 1. Elle n’aime pas
asked by Madison 
11th grade
Where have canadians been involved in peacekeeping missions? where was their first mission?
asked by Sandra 
physics
An artillery shell is fired at an angle of 45.3◦ above the horizontal ground with an initial speed of 1710 m/s. The acceleration of gravity is 9.8 m/s2 . Find the total time of flight of the shell, neglecting air resistance. Answer in units of min.
asked by Anonymous 
11th grade
Where have canadians been involved in peacekeeping missions? where was their first mission?
asked by Sandra 
French help part 2
Hi. I am trying for an A in my French class and every point counts. I would appreciate any feedback on my answers. Thank you!! Complétez les phrases suivantes avec une forme d’un de ces verbes: croire, voir, recevoir. 1. Jean et Julien __________ Jean
asked by Madison 
AP Chemistry
what pressure would have to be applied to steam at 350.degress C to condense the steam to liquid water (Hvap=40.7kJ/mol)
asked by Angel 
Physics
A 0.500 kg block is sitting on a horizontal, frictionless surface. The block is connected to a horizontal spring with a force constant of 124 N/m. The other end of the horizontal spring rests against a wall. When a 100.0 g arrow is fired into the wooden
asked by Jon 
spanish
how do you say after that i will go to the bus station and next i will eat cake in spanish
asked by chris 
SocialsLaissezFaire
Can someone please have a moment to look at my other 2 previous posts, thanks.
asked by Sara 
cacl
cos(t)/(5sin(t)+8)^2 the answer i got was: xcos(t)/(5sin(t)+8)^2 this is not right when i put it in what did i do wrong?
asked by sonia 
5th grade
Strength* a good eye are important in marbles. 3Lupe sat and listend to her brother. 4She ate dinner but said nothing abought her plans. compound subjects predicate
asked by mya 
human resource
As an IHRM, why would recruitment, selection and staffing be problematic? What steps would you take to ease these challenges?
asked by dee 
analogies
1.pot is to top as tip is to?? 2.smile is to frown as ugly is to??? 3.ring is to sting as brick is to???
asked by cool boy 
englsih
when should parents let their teens make their own decisions?
asked by britney 
religon 7th grade
who was caleb from the hebrew bible? give a breif explanation
asked by dawn 
math/algebra
I have been asked to answer questions in parts in relation to a story problem, but I am having difficulty finding the right formulas. Did I do this right...If not, please help me and tell me where I went wrong. Part B The landscaper that maintains Mrs.
asked by Anna please HELP, I need this by 7:00 
prealgebra
describe a situation in which you would use a percent greater than 100%
asked by Eugene 
Math
g of x=2x^2+x10 Factor
asked by Paul 
math
the total number of horses and people at a riding academy one sunday was 39.The total number of legs at the academy that day was 124.How many people were at the riding academy that sunday?
asked by dawn 
physic
Water flows through a 4.0cmdiameler horizontal pipe ata speed uf 1.3 m/s. The pipe then narrows down to a diameter of 2.0 cm. Ignoring viscosity, what is the pressure difference between the wide and narrow sections of the pipe
asked by john 
microeconomics
if a few large firms were broken down into a lot of smaller firms how would this effect the supply and demand in a graph?
asked by rochelle 
Math
How do I figure: 9/15 = 12/?
asked by john 
7th grade
here is my question: "A scientific ______ is an accepyed outcome that does not change."
asked by Austin 
prealgebra
Nineteen members, or 38 members of the ski club are going on a ski trip. find the total number of members in the club.
asked by Token 
Chem
Determine the final temp when 45.8g of aluminum at 5.2C is added to a mixture of 45.0g of ice at 0C and 2000g of water at 95C?
asked by Lindsey 
English
Why should parents let their kids watch tv ? It's a persuasive question
asked by Casee 
Socials
My Chapter is focusing on Industrial Revolution, and these are my questions on them, all your help will be appreciated. How did the textile industry lead to colonies? The textile industry lead to colonies by economic development. Many people began to
asked by Sara 
math
when making a circle graph how do you determine the number of degrees for 28%?
asked by jay 
9th grade
[72]+2*[14]
asked by mojojojo 
prealgebra
Which is the better buy: Brand A with a regular price of $15.98and a 30% discount or Brand B with a regular price of $18.50and a 40% discount thanks
asked by Brendon 
History Quick?
Can you please tell me what is wrong with this sentence. My teacher underlined it on my paper. What should it say. Thank You Jacksonian era was known for the success of expanded suffrage. Jackson's supporters felt like white men should be allowed to vote.
asked by Josh 
Humanities
who was dr. charles drew??
asked by Ashley 
English
Look at the big picture, how many people are there? There are about 8 people. The people are members of a jury. They are talking about a criminal case, I think. In front of them, we can see a judge and a prosecutor. The bottom left picture is the supreme
asked by rfvv 
prealgebra
Which is the better buy: Brand A with a regular price of $15.98and a 30% discount or Brand B with a regular price of $18.50and a 40% discount thanks
asked by TimBrendens brother 
Physics
A 20 g rifle bullet traveling 225 m/s buries itself in a 3.6 kg pendulum hanging on a 2.8 m long string, which makes the pendulum swing upward in an arc. Determine the vertical and horizontal components of the pendulum's displacement.
asked by Anonymous 
Physics
A radioactive nucleus at rest decays into a second nucleus, an electron, and a neutrino. The electron and neutrino are emitted at right angles and have momenta of 9.40 x 10^23 kg·m/s, and 6.00 x 10^23 kg·m/s, respectively. What is the magnitude and
asked by Anonymous 
Socials
Imagine that you are one of the spinners who protests the invention of the spinning Jenny. Write a letter to a newspaper explaining your reasons. your letter should show that you understand the implications of the invention. It should show that you
asked by Sara 
English
1. This is the Supreme Court of the USA. 2. These are the Supreme Courts of the USA. 3. This is the supreme court of the USA. (Which one is correct? Do I have to capitalize? Do you have only one supreme court? Or do you have many supreme courts?) 4. the
asked by rfvv 
Socials
What would be a good epitaph for a young coal miner, detailing the cause of death and the circumstances?
asked by Sara 
Chemistry
The densities of gases A, B, and C at STP are 1.25g/L, 2.87 g/L, and .714 g/L. Calculate the molar mass of each substance. Indentify each substance as ammonia, sulfur dioxide, chlorine, nitrogen, or methane.
asked by Anonymous 
childcare
Carlos is playing in the sandbox, Thomas approaches the sandbox, observes Carlos for a moment, then knocks over the bucket Carlos has just filled with sand. Carlos pushes Thomas away saying, "Get out of here". Thomas begins to cry 1 The goal of Thomas's
asked by Rosa 
Math
When solving exponential equations using logarithms. How would you sold one that has a fraction as the exponent such as: x^(1/4)81=0
asked by Preston 
Precalculus
A rectangle is inscribed in a circle of radius 4 centered around the origin. Write a function A(x) for the area of the rectangle. ==> I have no idea how to do this. Can someone help me please? Thanks!!
asked by Emily 
math
Go to the web site for this text to find the total profit made by McDonald’s in 2002
asked by Anonymous 
Statistics
h t t p : / / t i n y u r l . c o m / y f z j y u o I'm not sure how to do #2.
asked by Mark 
math
Marcus and Allen are playing Rock/Paper/Scissors. The first one to win 10 times does not have to do the dishes. The score is now 9 to 7 in favor of Marcus. If ties are ignored and not counted, what is the probabilty Marcus will not have to do the dishes?
asked by Matt 
Probability
A coin is tossed 7 times. What is the probability of getting four heads. My teacher said that there is a formula involved but i don't know which one. How do i set it up?
asked by nick 
prealgebra
solve for X when 2/3 X = 2 2/9
asked by Nicole 
Calculus
An airplane flies at an altitude of 5 miles toward a point directly over an observer. The speed of the plane is 600 mi/hr. Find the rate at which the angle of elevation is changing when the angle is 30 degrees. I found the answer to be 60 radians/hr by
asked by Katie 
Physics
7.7mol of helium are in a 16L cylinder. The pressure gauge on the cylinder reads 65psi. What are (a) the temperature of the gas in Celsius and (b) the average kinetic energy of a helium atom? Part A: so this is what i did T=PV/nR and C=T273
asked by ana 
Physics
A 2.6 N block is at rest on a horizontal surface. A 0.9 N upward force is applied to the block by means of attached vertical string. (a) What is the magnitude of the force of the block on the horizontal surface?
asked by Sasha 
Physics
(a) Suppose you throw a football. At some instant, when the ball is in contact with your hand, your hand exerts a force of 100 N on the ball in the +x direction. What is the force of the ball on your hand?
asked by Sasha 
Physics
A football coach sits on a sled while two of his players build their strength by dragging the sled across the field with ropes. The friction force on the sled is 800 N and the angle between the two ropes is 20°. How hard must each player pull to drag the
asked by Sasha 
managerial economics
The total costs of a firm under perfect competition is given by the equation TC = 5, 000 + 4Q + 2Q2 and the market price is $100 per unit. What is the profit maximizing level of output?
asked by bernadette 
5th grade
Cindy has two fourths of a circle and three fourths of a circle. What does she need to make a whole circle?
asked by ark 
management
Imagine that you are Bill Gates, the founder of Microsoft, and that you are constantly engaged in environmental scanning as part of the planning process. Explain briefly how you would go about doing it. Can you keep track of all aspects of the environment?
asked by amy 
child development (answer included)
Consider the developmental age groups of early childhood and adolescence as defined by the text. Create a profile for each age group, detailing the normal physical development of each group. Document the changes from early childhood to adolescence. Post
asked by scooby 
2rd grade
how to use a hundred chart to subtract
asked by josh 
cinema
i am watching the two towers and i have to answer questions to go along here on the ones i couldn't find 1) where did Elrond and Arwen to sail to 2) what was the name of king theoden's son 3)what was aragorn going when the movie cut to his first dream/
asked by bandit 
Math
How tall is a cylinder that has a volume o 2,123 cubic meters and a radius of 13 meters?
asked by Mark 
math
Multiply to find an equivalent fraction: 3/10
asked by Jennifer 
Math
The perimeter is 100. The length is 5x +10 and the widthis 10x1. What is the lenth and width
asked by Ariel 
math
write an equation that satisifies the given conditions: perpendicular to y=3x+7 through (3,5)
asked by bill 
To Ms. Sue
I am so glad you're back, can you please have a moment to look back at my previous posts.
asked by Sara 
Child care
Children with special needs should A be directed to lower agelevel activities. B have little interaction with other. C be directed to appropriate agelevel and development activities. D have stricter discipline. I believe that C is the better answer
asked by Rosa 
7th grade
what is the modern atomic theory
asked by olivia 
chemistry
If 1.000 kcal of heat is added to 1.700 L of oxygen in a cylinder at constant pressure of 1.00 atm, the volume increases to 2.100 L. Calculate the total energy change for this process. Pay careful attention to units. Some plz help me :(
asked by lori 
chemistry
Calculate DHo for the oxidation of nitric oxide to nitrogen dioxide, 2 NO(g) + O2(g) > 2 NO2(g), from the following data: DHof[NO(g)] = +90.25 kJ DHof[NO2(g)] = +33.18 kJ im confused...can someone help me.
asked by leanne 
chemistry
Given the thermochemical equation SO2(g) + ½ O2(g) > SO3 (g) DH = 99.1 kJ calculate the enthalpy change (DH) when 89.6 g of SO2 is converted to SO3. 1. 69.3 kJ 2. 111 kJ 3. 139 kJ 4. 139 kJ 5. 69.3 kJ help plz
asked by noshi 
child development
think of ways an individual can decrease the likelihood that he or she develops a mental disorder if that individual is thought to have a genetic predisposition?
asked by scooby 
Math 116 Algerba
The area A of a triangle with base b and height h is given by A= 1/2 bh. Find the area when b= 29m (meters) and h = 20m. The area is ?
asked by Anne H. 
math
Multiply or divide to find an equivalent fraction: 11/22
asked by Laura 
math
the question asks to integrate cos(t)/(5sin(t)+8)^2 the answer i got was xcos(t)/(5sin(t)+8)^2 i think the x is wrong but i am not sure what i am doing wrong...help please.
asked by sonia 
science help plzzz
how is building a skyscraper today simular to and different from the building of the pyramids
asked by julie 
6th grade
Describe the social pyramide of Egypt.What determined a person's social class?
asked by Marcony 
social studies
why did the people of the south feel that they needed slaves
asked by kyara 
Math/Geometry Vocab
What is the definition for INTERSECTING LINES?
asked by Karen 
Geometry
What is the definition for Plane???
asked by Karen 
INFO TECH
I AM MAKING A GANTT CHART IN MS PROJECT.I CANNOT CHANGE THE START AND FINISHVDATE...IT IS SOMEHOW BLOCKED TO USE THE DROP DOWN MENU . THE TASK TYPE SAYS IT IS A "FIXED DURATION"...i CANNOT CHANGE THAT EITHER. PLEASE ADVISE!!
asked by DONNY 
Economics
Three examples of how savings can be channeled into productive investments?
asked by Anonymous