Questions Asked on
March 13, 2008

physics projectile motion
A player passes a basketball to another player who catches it at the same level from which it was thrown. The initial speed of the ball is 7.1 m/s, and it travels a distance of 4.6 m. What was (a) the initial direction of the ball and (b) its time of
asked by Sugarplum 
Math Nightmare
I need help The design of a new airplane requires a gasoline tank of constant crosssectional area in each wing. A scale drawing of a cross section is shown here. The tank must hold 5000lb of gasoline, which has a density of 42 lb/ft3. Estimate the length
asked by Fabian 
chemistry
Determine the percentage composition of each of the following compounds a) NaCl b) AgNO3 c) Mg(OH)2
asked by john 
Physics
A basketball is thrown horizontally with an initial speed of 4.20 m/s. A straight line drawn from the point to the landing point makes an angle of 30.0 with the horizontal. what was the release height?
asked by Sean 
Physics kinematics
the general "hang time" of a punt is measured to be 4.5sec. if the ball was kicked @ an angle of 63deg. above the horizontal & was caught @ the same level from which it was kicked, what was its initial speed?
asked by Lisa 
Physics
On a hot summer day, a young girl swings on a rope above the local swimming hole. When she lets go of the rope her initial velocity is 2.25m/s at an angle of 35.0 above the horizontal. If she is in flight for 0.616sec, how high above the water was she when
asked by Sean 
Physics
You are riding on a Jet Ski at an angle of 35¢ª upstream on a river flowing with a speed of 2.8 m/s. If your velocity relative to the ground is 9.5 m/s at an angle of 20.0¢ª upstream, what is the speed of the Jet Ski relative to the water? (Note:
asked by Clarita 
Chemistry
1. A student wishes to set up an electrolytic cell to plate copper onto a belt buckle. Predict the length of time it will take to plate out 2.5g of copper from a copper (II) nitrate solution using 2.5A current. At which electrode should the buckle be
asked by Alex 
Physics
A movie stunt man (mass 82.3 kg) stands on a window ledge 5.69 m above the floor. Grabbing a rope attached to a chandelier, he swings down to grapple with the movie’s villain (mass 72.3 kg), who is standing directly under the chandelier. (Assume that the
asked by Charlie 
spanish
i don't know how to answer this question in a complete sentence? Te duermes en una de tus clases?
asked by Jordan 
Physics
Icehockey star Wayne Gretzky is skating at 12.7 m/s toward a defender, who in turn is skating at 5.39 m/s toward Gretzky. Gretzky’s weight is 677 N; that of the defender is 869 N. Immediately after the collision, Gretzky is moving at 2.21 m/s in his
asked by Charlie 
Economics
Based on the total world trade share with the given information, find the nations deficit or surplus. country A exports to country B: $35 country A exports to country C: $25 country B exports to country A: $30 country B exports to country C: $25 country C
asked by Hu 
physics
A construction worker uses a steep tape to measure the length of an aluminum support column. If the measured length is 18.700 m when the temperature is 21.2 degrees celcius, what is the measured length when the temperature rises to 29.4 degrees celcius. I
asked by Mischa 
IPC 8th grade
a motor does 5,000 joules of work in 20 seconds. What is the power of the motor.
asked by Debbie 
Physics
Consider a skateboarder who starts from rest at the top of a 12.5mlong ramp that is inclined at an angle of 15.0degrees to the horizontal. Assuming that the skateboarder's acceleration is g sin 15.0degrees, find his speed when he reaches the bottom of the
asked by Anonymous 
chemistry
calculate the mass given element of each of the following compounds a) brimine in 50.0 potassium bromide, KBr b) Chromium in 1.00 kg sodium dichromate Na2Cr2O7
asked by joanna 
Physics
If you dive to 50 m below the surface of a lake, a) what is the pressure due to the water alone? b)What is the total or absolute pressure at that depth?
asked by S 
chem
Determine whether the following are endothermic or exothermic. 2H2O2 (l) ¨ 2H2O(l) + O2(g) ∆H = 190 kj C(s) + H2O (g) ¨ CO (g) + H2 (g) ∆H = +113 kj C4H9OH(l) + 6 O2(g) ¨ 4 CO2(g) + 5 H 2O(g) ∆H = 2456.1 2 C(s) + H2(g) ¨ C2H2(g) ∆H =
asked by c 
AP Chemistry
i'm having trouble balancing the redox reaction for the iodine clock lab. The redox reaction inovlves a hydrogen sulfite ion and iodate ion in an acidified solution. i have the final balanced equation, 5 HSO3 + 2 IO3 > I2 + 5SO4 + H20 + 3H but i'm
asked by Jake 
Interpersonal Communication in Criminal Justice
The Escobedo and Miranda Laws are landmark court decisions that impact the manner in which law enforcement int Question Details: What is the relationship between the two? What was the impact of both decisions in terms of interviews and interrogations of a
asked by Tom 
Finance
A common stock is just paid an annual dividend of $2 yesterday. The dividend is expeccted to grow at 8% annually for the next 3 years, after which is will grow at 4% in perpetuity. The appropriate discount rate is 12%. What is the priceof the stock? What I
asked by Teresa 
algebra
show how to solve these problems: 1. 6x  y = 4 2x + 2y = 15 answer:x = 1/2 y = 7 2. x +y = 1 x = 1/3 2x  y = 2 y = 4/3 3. x  y = 3 x = 5/2 6x + 4y = 13 y =  1/2 I just need to know how to solve these problems. Please show me how it is done.
asked by jim 
Chemistry
For atoms that contain more than one electron, the Pauli Exclusion Principle states that: (A)the most stable arrangement of electrons in subshells is the one with the greatest number of paralel (B) Diamagnetic substances are repelled by magnets
asked by Tina 
chemistry
Determine the percentage composition of each of the following compounds a) NaCl b) AgNO3 c) Mg(OH)2 for NaCl i got na=23/135=0.17 x 100= 17% Cl=35/135=0.26 x 100=26% for AgNO3 i got 108/42 which im sure was wrong and i didn't get how to complete the
asked by john 
biology
which of these crosses will only produce heterozygous offspring? a. aa x aa b. Aa x Aa c. AA x Aa d. Aa x aa e. AA x aa
asked by sophon 
English expression
1. Listening to the dialogue, write a number in order. 2. Listening to the dialogue, write the numbers in order. Which one is correct? There are 7 scrambled sentences in a dialogue in the box.
asked by John 
social studies
how much did the hessians get paid during the revolutionary war? in 1776. also where were they from?
asked by brooke 
Physics
An object is projected at an angle of 53.1degrees above the horizontal at a speed of 50m/s. Sometime later it enters a narrow tube positioned at an angle of 45degrees to the vertical. Determine: a) The initial horizontal and vertical components of
asked by Anonymous 
algebra
four men qant to cross a bridge. they all begein on the same side. its night and they only have one flash light with them. at most two men can cross the bridge at the same time,and any party who crosses, either one or two people musy have a flashlight wit
asked by jamia 
science
Why is the ocean described as the world’s largest carbon sink? Sink/Sources in the carbon cycle? Carbon movement through the marine carbon cycle. Help
asked by Mike 
Business
Can someone tell me if these are right The use of exaggeration and argument by a seller to convince a buyer to enter into a contract will usually be considered: a. fraud. b. duress. c. puffery. d. undue influence. Answer C puffery A covenant not to compete
asked by Mike 
Calculus III
What is the indefinite integral of: (12sin(3x)cscx)dx If I could have two things given to me please, I'd be grateful. The two things are: 1) Trick/Technique to Use 2) First 2 or 3 steps Thanks in advanced.
asked by Sean 
Finance
Company Q has just paid a dividend of $1.40 per share. Its dividend is expected to grow at 5% per year perpetually. If the required return is 10%, what is the value of a share in Company Q? What I know: Current Div=1.40 Required rate of return=10%
asked by Teresa 
History/ English
what is the difference between immigration, emmigration, and migration?
asked by Lorinda 
IS THERE ANY CHEMISTRY TUTORS OUT TONIGHT
i posted a question around like 5 hours ago and still haven't received any help.
asked by john 
science
What are the major threats to coral today? Why should we care?
asked by pat 
Algebra
Rationalize denominator, all variables positive real numbers and denominator is not zero. sqrt3/3 sqrt2  sqrt3 sqrt3(3sqrt2+sqrt3)/183 3 sqrt6+3/183 3 sqrt 6+3/15 (is this my answer)
asked by Lori 
Algebra
Can someone tell me if I am right? Factor by group 20x^212x=15x9 20x^2+3x+9 (4x+3)(5x3) answer
asked by Tim 
Algebra
do the indicated operations and write with only positive exponents and assume all variables are nonzero real numbers x^5 y^7/x^2 y^5 y^2/x^3 x^3=0
asked by Kally 
Algebra
20x^212x+15x9 20x^212x+15x9 = 20x^2+3x9 = (4x+3)(5x3)
asked by Tim 
maths
we use algebra, the letters stand for numbers + the letters are short for words can you give me answers
asked by lee 
English
Can anyone help me find a synonym for the word "veld". It is any of the open grazing areas of southern Africa. Thanks
asked by Sue 
algebra
The expression y/x  1/2 is equivalent to:
asked by Linda 
healthcare
I hope that someone out there might be able to answer this question for me or direct in some way. so I would appreciate any help I can get. My question is: Can strategic planning and managing help the US Healthcare system? How?
asked by Blondie 
Oceanography
I am having trouble identifing the major estuary types classed by salinity gradients? Why are they low in diversity but highly productive? Most searches are over my head. Thanks
asked by Malyssa 
Physics
A ball is thrown from the top edge of a building with initial velocity components of 15m/s(up) vertically and 20m/s horizontally. It strikes ground 140m from the base of the building. What is the height of the building? I tried using V2^2 = V1^2 + 2ad and
asked by Anonymous 
science
What is the "Oxygen Catastrophe" Why was it so important for life on this planet? Most articles are hard to understand. Thank you
asked by Laurel 
math`
how many edges does a cube have
asked by jimmy 
Business
The use of exaggeration and argument by a seller to convince a buyer to enter into a contract will usually be considered: a. fraud. b. duress. c. puffery. d. undue influence. I am really torn between duress and puffery....while puffery does mean
asked by Mike 
Math
I just need a description of the following: Associative property of Multiplication Associative Property of Addition Commutative properties Distributive Property Identity property(I don't need to know much about this) Zero property(i don't need to know much
asked by Meherin 
English expression
'Glad to meet you.' is expressed as 'Nice to meet you.'  Is the expression above grammatical? Do I have to use 'as' after 'expressed'?
asked by John 
math
can sumbody help me with the steps to this math problem? Evaluate: 9 + (82)^2 x 20 / 5
asked by Meherin 
math
the square root of 1000 divided by 2 then multiplied by 100 to the fith power then minus 6 then timed by two equals?
asked by jerry 
??
Can someone explain to me how to do Cornell notes? I do not understand the concept of taking notes, and then making notes from that.
asked by Emily 
Algebra
use only positive exponents and all variables are real positive numbers y^9/8 / y^5/8 =9/5 (is this right?)
asked by Bethany 
Physics
A ball is thrown at an angle of 37.1degrees above the horizontal from a point on the top of a building and 60m from the edge of the building. It just misses the edge of the building and continues on towards the ground. The building is 50m high. At what
asked by Anonymous 
GeometryPSSA Practice
Which of the following quadrilaterals must have diagonals that bisect each other? Rectangle Parallelogram Rhombus Isosceles Trapezoid
asked by Christina 
ETH125
Consider the choices of Native Americans who decide to stay on their tribe's native land (reservation) and those who choose to relocate to a city. If you were presented with this decision, which would you choose and why?
asked by lisa 
Math
What is 260x126?
asked by Steve 
English
How do u help a child of KG with mirror image writting problem?
asked by Hatim 
History
How many continents did the Roman empire cover?
asked by Anonymous 
algebra
The expression y  1  x
asked by Linda 
Physics
A ball is thrown from the top edge of a building with initial velocity components of 15m/s(up) vertically and 20m/s horizontally. It strikes ground 140m from the base of the building. What is the height of the building? I tried using V2^2 = V1^2 + 2ad and
asked by Anonymous 
Algebra
Describe what the graph of interval [4,10] looks like.
asked by Al 
Earth Science
Clouds will from when condensation nuclei are present and: air reaches its dewpoint. is that all true?
asked by Anonymous 
bio lab
Among 4 choice, which is have most concentration of nitrites ? (reason to causing blue baby syndrome) A. A brand new subdivision of highpriced “McMansions,” complete with golf course, tennis courts and swimming pool. B. A textile plant that produces
asked by jack 
Math
The distance on a map is given. Find the actual distance, if the scale on the map is 1 in.=60 miles. 2 3/4 in. Please help! Thank you in advance.
asked by Plse Help 
internationnal economics
Based on Price/cost, what are the steps the managers of a global company will need to take in order to decide whether a foreign market is a viable market in which to introduce a new product?
asked by Lisa 
algebra
describe what the graph of interval (4,10) looks like.
asked by Maria 
Business
Have buyers become more conscious now that websites give so much competitive information about price and coupons for so many products that are readily available? In that a good thing or not for marketers?
asked by China 
computers
Pls I need a simple access control program written in either basic or fortran programming language.
asked by Charles 
Maths
x1/2x2/3=1
asked by Vincent 
Calculus
two complex numbers Z and W are related by the formula W=(Z+1)/(1Z) what is W if Z=1.5i? thanks for the help!
asked by Anne 
Macro Economics
On April 20, 2008 your wealthy aunt will give you a bond with a par value (or a maturity value) of $10,000. Your aunt purchased the bond in 2003, and it matures on April 20, 2009. The bond pays a coupon rate of 8 percent. When it arrives, the bond will
asked by Chuck 
matrices
Find the value of "a" if the deteminant of (6 3) (4 a)IS: a)6 b)3 c)0 d)12 (the matrix is six above and four below,three above and "a" below)
asked by Keisha 
Algebra
My book uses the slope yintercept method for graphing. I am trying to graph the following: y>3/2x5/2 (sign > is greater then or equal to) The way I understand it I would start on the Y axis at 0 and go down 5 and then to the right 2 for the 5/2. Then I
asked by G 
Trig
Solev the equation for t if 0 is less than or eual to t which is less than 2 pi 7sin + radical3 = 5 sin t
asked by Selma 
history
why did communism appeal in Russia? and to whom? How did Lenin, Trotski, Bunchain and Stalin differ in implementing communist ideals?
asked by John 
Physics  check
A ball is thrown at a speed of 39.05m/s at an angle of 39.8degrees above the horizontal. Determine: V1perpendicular component: V1Sin(theta) = 25m/s V1paralell component: V1Cos(theta) = 30m/s a) the ball's location 2s after being thrown. V2paralell =
asked by Anonymous 
Algebra
Help! I think I am right, but not sure. Factor out greatest common factor then simplify the factors 15wx20wy25wz= 5w(3x)+5w(4y)+5w(5z)= 5w(3w4y5z)= 5w
asked by Megan 
Algebra
Help! I think I am right, but not sure. Factor out greatest common factor then simplify the factors 15wx20wy25wz= 5w(3x)+5w(4y)+5w(5z)= 5w(3w4y5z)= 5w
asked by Megan 
ti83 unit conversion
How do I do unit conversion using graphing calculator? For example, if you have to convert 4 miles into yards, and you don't know 1760mi=1 yd. Is there any way to do this in calculator? Thanks.
asked by jen 
Sci275
I need a brief Description of a Terrestrial resourse Issue.
asked by Attivia 
science
I need a brief description of a terrestrial resource issue. Also a management and sustaibnment plan for the terrestrial resource. Challenges or implication of my management and sustainment plan.
asked by Attivia 
Revolutionary war
how much were the british soldiers paid while they were fighting in the Revolutionary War during 1776?
asked by Brooke 
Social studies
Alfred Mendelsohn composed in 1972 an opera named aftetr a Dutch philsopher. The philosopher is best knwn for his efforts to apply the strict logic of mathmatics and natural sciences to the feild of sociology, ethics and so on. His masterpiece is entitled
asked by Carrie 
earth science
When air is saturated, the relative humidity is 100%, the air is holding the max. amt. of moisture, and condensation can occur. True?
asked by Anonymous 
Precalculus
.5=e^(20t) I am assuming this involves logs but we did't really learn logs. Anyone care to walk me through with a calculator. Have the Ti83
asked by Trevor 
science
where in a angiosperm would you find the reproductive organs?
asked by brenda 
Oceanography
Why is the ocean described as the world’s largest carbon sink?
asked by Malyssa 
Algebra
What does domain mean? I am working on a problem that wants me to solve for the domain?
asked by Lori 
Science
what is the importace of heterocysts in cyanobacteria?
asked by Laurel 
science
What is the connection between coral reefs and mangrove habitats?
asked by pat 
cultural diversity
How may orientalism and prejudice contribute to hate crimes against these groups.
asked by unknown 
Oceanography
What is OIL/RIG? What is its importance in the nitrogen cycle? How does nitrogen enter a marine system?
asked by Malyssa 
Math
I just need a description of the following: Associative property of Multiplication Associative Property of Addition Commutative properties Distributive Property Identity property(I don't need to know much about this) Zero property(i don't need to know much
asked by Meherin 
Calculuscomplex numbers
the complex number Z satisfies Z/(Z+4)= 3+2i Find Z. please help thx!
asked by Anne 
English Grammar
e.g. Mike, this is Adams. In this sentence, Mike and Adams are content words, so they are stressed. What about 'is'? 'Is' is a verb. Verbs are content words, which are stressed. I know that a verb is stressed in a sentence. Do we have to stress 'is' in
asked by John 
English expression
Make your homepage as follows. 1. On the first screen, write the title and insert pictures or photos. 2. On the second screen, referring to the content of the reading text, introduce yourself briefly. 3. Besides the contents above make your own homepages
asked by John 
language arts
what did john !@#$%^&ennedy do as president?
asked by jerry 
math
an acute angle has how many degrees in it and how many degrees are in an obtuse angle
asked by jerry 
Maths Check
Can Please someone check as per below I posted this yesterday and Drwls Answered and I post back the solution. Thanks Amortization of a $1000 Loan Interest Monthly payment rate 15yr 20yr 25yr 30yr 9.5% $10.45 $9.33 $8.73 $8.41 10.0% $10.75 $9.66 $9.09
asked by Jen 
Science
What volume of helium would be in a balloon the size of a soft drink bottle?
asked by GaBrielle 
Algebra
81^1/4 =(4 sqroot81) = (3) =3
asked by Cindy 
Ethics
What level of CSR (corporate social responsibility) does the religion Judaism fit into?
asked by Janice 
Food
Do bananas grow in China?
asked by Ishmal 
social studies
how much did the british get paid during 1776? i need exact answers!!
asked by brooke 
Business
Exculpatory clauses as a group that purport to release parties from all liability are generally upheld by the courts. I am right to think the answer to this is false? Because aren't they normally not enforceable.
asked by Mike 
math (matrix)
Complete the statement a) (5x  y) = (5 1) (x) (2x + y) = ( ) (y)
asked by Destiny 
Saint Patrick's day
What is this word Saint gibsensls
asked by brittany 
SCI275
Give an example of how organisms are interrelated.
asked by Attivia 
History
What are the words master and apprentice associated with?
asked by Anonymous 
Science
Why is the earth's temperature different in different places?
asked by Beth 
Career
I know this isn't a homework question. I apologize. I want to know what kind of career i should look for. I'm upon the completion of an Associate deg of IT/NETWORKING. From univ of phoenix online. I look on a site called dice for IT jobs.
asked by James 
social studies
In which decade did the numbers of catholic/jews first exceed the number of protestants?
asked by pat 
English
Why did most of the men keep heading toward the Stephano?
asked by Julie 
chemistry
what is the hybridization at O with the lewis structure of 2propanone?
asked by matt 
economics
If a nations exports=60 and imports=50 why is 10=surplus and not a balance or deficit.
asked by Hu 
earth
strontium working with water is it physical or chemical
asked by polly 
science properties
graphite is a good lubricante is that physical or chemical
asked by polly 
science matters
white phosporous ignites easily is that chemical or phsyical
asked by polly 
earth science
The area where precipitation and storms occur is a ? syestem.
asked by kayshell93 
Math
Lin draws a scale drawing of a miniature computer diode. She uses a scale of 1 in.=0.01 in. Lin's drawing is 7.5 inches wide. How wide is the computer diode? Do I take 7.5*0.01 and I would get =0.075 in. Could you tell me if I'm doing it correctly. Thank
asked by Plse Help 
scince
name atleast two ways that pollinated occurs?
asked by brenda 
scince
after pollination and fertilization occurs the ovule develops into a ?
asked by brenda 
science
Why are hetercysts in cyanobactiria critical components of the nitrogen cycle?
asked by Laurel 
science
What are some of the unique properties of water 04 centigrade? Why are they important?
asked by Mike 
Oceanography
How did the extinction of the Mesozoic marine megafauna allow evolution of cetaceans?
asked by David 
managerial economics
Can someone explain cost structure and market structure to me please.
asked by jean 
Oceanography
What are the steps and timing of the whales, dolphins, porpoises evolution.
asked by David 
science
What does hermatypic mean? in words I can grasp. over my head and under my bed
asked by pat 
Biology
Explain why dominant traits might not necessarily be the traits that show up most frequently.
asked by Jackie 
Algebra 1
what are the factors of 31
asked by Clayton 
biology
How is the sense of smell related to learning/survival?!!!
asked by Zana 
pics in ethics
i need pictures about ethics...
asked by rosette 
Algebra 1
what are the factors of 31
asked by Clayton 
Oceanography
The abyssopelagic and abyssobenthic zone of the ocean, the largest biome on this planet, is in perpetual darkness. Yet production in these zones is driven largely by seasonal plankton blooms at the surface. Describe this system in rough terms and why
asked by Malyssa 
spell
if a=1 and b=2 and so on leaving the pattern at z=26 . help!
asked by need help 
math
what are the first three multiples of 9...is it 9, 18, and 27...or is it 18,27,36
asked by jimmy 
English Grammar
Draw a line between the two peple finding out who is introducing whom.  Is this sentence above grammatical? Would you let me know if the expression is correct or not?
asked by John 
spelling
i need a sentence for session and convulsion
asked by cody 
geography
does japan have a good or bad economy
asked by joe 
weekly riddle
yyyyur,yyyyyub,icury+y4?
asked by thad 
chem
method of producing aspirin
asked by dc 
english
need to find a word with the letters "LTSEGRGU"
asked by NANCY 
Calculus  Integrals
What is the integral of arctan x?
asked by Sean 
HMO
If you are a doctor who wants to join with other HMO doctors and not give up your own individual practice the best choice for you is what My answer is a primary care phsician practice thanks for the help
asked by Alarena 
Algebra
expression in lowest terms 5(y1)/(y1)(y4) =5/y4
asked by Bradley 
English words
I need to know a SIMPLE definition for the following words and I don't know how to find SIMPLE definiton! Here are the words: 1.) Irony 2.) looting 3.) reverie 4.) plague 5.) hamper
asked by Lynn 
physics
in a cell voltage energy is converted to current energy and .
asked by barr