Questions Asked on
December 3, 2007

Physics LOST!
If the air temperature is the same as the temperature of your skin (about 30.0 C), your body cannot get rid of heat by transferring it to the air. In that case, it gets rid of the heat by evaporating water (sweat). During bicycling, a typical 70.0 kg
asked by Jamie 
physics
A solid object floats with threefourths of its volume beneath the surface of eater. What is the object's density? Give answers in g/cm^3. p_o=? p_object/p_water = v_water/v_object p_o/(1 g/cm^3) = ? for the volume side would it be 3/4 so that p_o/(1
asked by Tammy 
PHYSICSSS
Small rockets are used to make tiny adjustments in the speeds of satellites. One such rocket has a thrust of 35 N. If it is fired to change the velocity of a 71500 kg spacecraft by 64 cm/s, how long should it be fired?
asked by oliphia 
CHEM
Rhodium has density of 12.41g/cc and crystallizes with the facecentered cubic unit cell. Calculate the radius of a rhodium atom. xpress your answer using four significant figures. For this question I tried to calculate backwards from a previous question I
asked by K 
GS 104 Physics (Physical Science)
Trucks often have signs on their backs that say, "If you can't see my mirrors, I can't see you." Explain the physics here.
asked by Celeste 
physics
How much absolute (total) pressure must a submarine withstand at a depth of 120m in the lake. Give answer in kPa. (Use 10m/s^2 for g). h=120m p_water = 1 g/cm^3 = 1000 kg/m^3 p_atmosphere = 101.3kPa P_total = ? P_water =density *g*h =1000*10*120 =1200000Pa
asked by Tammy 
physics
An object floats with half of its volume beneath the surface of the water. The weight of the displaced water is 2000N. What is the weight of the object? I'm confused by this problem. How would I go about solving this? My guess would be that the weight of
asked by Tammy 
Physics Problem
While running, a 70.0 kg student generates thermal energy at a rate of 1200 W. To maintain a constant body temperature of 37.0 C, this energy must be removed by perspiration or other mechanisms. If these mechanisms failed and the heat could not flow out of
asked by Molly 
Calculus
A small aircraft starts its descent from an altitude of 1 mile, 4 miles west of the runway. a) Find the cubic f(x) = ax3 + bx2 + cx + d on the interval [4,0] that describes a smooth glide path for the landing. b) If the glide path of the plane is
asked by Jon 
math
Find the two numbers that multiply to the product number and add to the sum number of the following: a)Product 563033256; Sum 51895 b)Product 43481220; Sum 28429 c)Product 2545124358; Sum 105619 I tried xy = product and x+y = sum, but it didn't work
asked by Lily 
physics
A rectangular box of negligible mass measures 5m by 1m by .5m. How many kgs of mass can be loaded onto the box before it sinks in the water? V=5*1*.5 = 2.5m^3 density of water =1g/cm^3 =1000 kg/m^3 I also know that when the density of the mass is greater
asked by Tammy 
Calculus
A section of highway connecting two hillsides with grades of 6% and 4% is to be build between two points that are separated by a horizontal distance of 2000 feet. At the point where the two hillsides come together, there is a 50foot difference in
asked by Jon 
Chemistry
Can you tell me if i did these right?? Lewis Dot Structure A. BrF = 5 dots around BrF with 5 dots around it B. PBr3 = ? I don't know how to do because of the 3 C. NOF= 3 dots around N 2 dots around O and 5 dots around F NOF D. CO = 3 dots around C
asked by Lauren 
financial management
Can anyone help me witht his I am so lost. The following tabulation gives earnings per share figures for the Foust Company during the preceding 10 years. The firm’s common stock, 7.8 million shares outstanding, is now (1/1/03) selling for $65 per share,
asked by alley 
Management freuqnecy distribution
2. Use the data in the following table to • Prepare a frequency distribution of the respondents’ ages • Crosstabulate the respondents’ genders with cola preference • which was the preferred cola Individual Gender Age Cola Preference Weekly
asked by Shawn H. 
Title
I need a creative title about the benefits of volunteering!!! NOT A SLOGAN!
asked by Anonymous 
physics
How much absolute (total) pressure must a submarine withstand at a depth of 120m in the lake. Give answer in kPa. (Use 10m/s^2 for g). h=120m p_water = 1 g/cm^3 = 1000 kg/m^3 p_atmosphere = 101.3kPa P_total = ? P_water =density *g*h =1000*10*120 =1200000Pa
asked by Tammy 
Chemistry
write the resonance desription for the following A. ClNO2 B. NO2
asked by Lauren 
Social Studies
Where is a good place for me to find help with 5th grade social studies homework? I am having difficulty with U.S. History, Rise of businesses, time period: 18501915. Thanks!
asked by Tori 
Science   Cells
What structures are found only in animal cells? I can't figure it out...I know that chloroplasts and a cell wall are only contained by plant cells. But what about animal cells?
asked by Eve 
math
Jennifer bought a brand new sports car. The price of the car was $14,900 including sport wheels, an AM/FM CD stereo, and automatic transmission. The dealer gave her a $1,250 instant rebate on the price and 0% interest for 60 months. Jennifer made a down
asked by mike 
chemistry
the following reaction has a Kp = 109 at 25 degrees C 2NO(g) + Br2(g) reversible 2NOBr(g) If the equilibrium partial pressure of Br2 is 0.0159 atm and equil pressure of NOBr is 0.0768 atm, calculate the partial pressure of NO at equlibrium. What are the
asked by Rebekah 
Chemistry
Do impurities raise or lower the property of an organic compound such as lower or raise an equivalent weight?
asked by K 
In Need of a Mathmetician!!!!
An ant of negligible dimensions start at the origin (0,0) of the standard 2dimensional rectangular coordinate system. The ant walks one unit right, then onehalf unit up, then onequarter unit left, then oneeighth unit down, etc. In each move, it always
asked by Anonymous 
physics
A rectangular box of negligible mass measures 5m by 1m by .5m. How many kgs of mass can be loaded onto the box before it sinks in the water? V=5*1*.5 = 2.5m^3 density of water =1g/cm^3 =1000 kg/m^3 I also know that when the density of the mass is greater
asked by Tammy 
math
a rectangular mural is painted on a wall. if the mural is 12ft wide and covers 86.4sqft,what is the height of the mural?
asked by Louis 
PHYSICSS.. someone help plz.
A football is kicked at 15 m/s with an angle of 35 degrees with the ground. How long is it in the air? How far will it land? Can someone help plz... Thanks!
asked by Dan 
Geography
where is the mouth of the nile river located? Thanks!!1
asked by roy 
PHSYICS HELP PLZZZZ
A football is kicked at 15 m/s with an angle of 35 degrees with the ground. How long is it in the air? How far will it land? Can someone help plz... Thanks!
asked by Dan 
physics
The density of gold is 19.3 x 10^3 kg/m^3. What buoyant force does a .6 kg gold crown experience when it is immersed in water? B=m_water*g =p_water*v_water*g =p_water*v_gold*g and to find v_gold =m/density and from there would p_water =1000kg/m^3?
asked by Tammy 
Physics
Could someone please help me with these questions. . . 1. Why are there positive and negative electrical charges, while magnetic poles always seem to be bound together? 2.If two resistors are connected in parallel, how do you know that their effective
asked by Adam 
Algebra
I have been doing sum of cubes and difference of cubes problems and I just cant figure out these questions... Sum of Cubes Pattern a3 + b3 = (a + b)(a2  ab + b2) Difference of Cubes Pattern a3  b3 = (a  b)(a2 + ab + b2 1. 64x^3 + 1 2. 1125b^3 3.
asked by Bongo 
Dan
Darryl Strawberry hits a baseball with a horizontal velocity of 45 m/s and a vertical velocity of 25 m/s... Find the time it takes for the ball to travel to the highest point Find the total time the ball is in flight Find the range Find the max height the
asked by Projectile Motion Problem 
physics
The density of gold is 19.3 x 10^3 kg/m^3. What buoyant force does a .6 kg gold crown experience when it is immersed in water? B=m_water*g =p_water*v_water*g =p_water*v_gold*g and to find v_gold =m/density and from there would p_water =1000kg/m^3?
asked by Tammy 
Physics
A football is kicked at 15 m/s with an angle of 35 degrees with the ground. How long is it in the air? How far will it land? Can someone help plz... Thanks!
asked by Dan 
Chemistry
What type of orbital is designated by the quantum numbers n=3, l=1, and magnetic number=0 ? 1f 3s 3p 4p give an explanation for answer
asked by Meg 
sci 275
Do you believe that humans can harvest forest resources in an environmentally friendly way? or should national forests be left in their natural state in which resources are not used to benefit humans?
asked by kayla 
World History
Where can I find maps on the diffusion of diseases in the time period 14501750? I need diffusion maps on Syphilis and Hepatitis from Americas to Europe, Syphilis from Europe to Africa, and Malaria and Yellow Fever from Africa to Americas. Also, I need
asked by Anonymous 
Finanacial accounting
I am having touble how to work with the retail inventory method to estimate the companies year end inventory. i have the following information but i just do not see it with even the example in the book. It is in a 5x3 matrix of colimns and rows. what is in
asked by student 
PHYSICS
In a physics lab experiment, a student immersed 205 onecent coins (each having a mass of 3.00 g *.003kg) in boiling water. After they reached thermal equilibrium, she quickly fished them out and dropped them into 0.244 kg of water at 20.0 C in an
asked by Tia 
Projective Motion Problem
Darryl Strawberry hits a baseball with a horizontal velocity of 45 m/s and a vertical velocity of 25 m/s... Find the time it takes for the ball to travel to the highest point Find the total time the ball is in flight Find the range Find the max height the
asked by Dan 
Creativeness
I need to make a brochure that promotes volunteering. I need a catchy title!!! I really have no good ideas. Thanks!
asked by Anonymous 
physics
A block of wood weighs 40 N in air and 30 N in water. What is the buoyant force exerted by water on the block? B = F_g = BF_g =3040 =  10N Is this correct?
asked by Tammy 
Physics
A block weighing 70.7 N rests on a plane inclined at 21.6° to the horizontal. The coefficient of the static and kinetic frictions are 0.23 and 0.12 respectively. What is the minimum magnitude of the force F, parallel to the plane, that will prevent the
asked by Lindsay 
algebra 2
how do you graph the function: C(x)= {.15x, if 0
asked by Anonymous 
Language Arts
In the Holocaust a long time ago, did the Nazis ever give up their cruelness and become people again or did they all just get killed? Are there still some now?
asked by Logan 
Physics
A youngster shoots a bottle cap up a 15.0° inclined board at 1.92 m/s. The cap slides in a straight line, slowing to 0.95 m/s after traveling some distance. If the coefficient of kinetic friction is 0.35, find that distance. I'm never sure which equation
asked by Lindsay 
algebra 2
consecutive odd integer problem find two odd integers the sum of whose squares is 130. (sq)=squared let x= 1st odd int let x+2=2nd odd int (2x+2)(2x+2)=130 4x(sq) + 4x+ 4x +4=130 4x(sq) + 8x 126= 0 2(2x(sq)+4x63)=0 My question: WHAT ARE THE TWO DARN
asked by harry 
factoring
the wodth of a volleyball court is (x+2) and the lenght is (x15). What is the smallest integer value of x for which this area makes sense? I really don't get it...
asked by Chujung 
Algebra
Simplify: 3 squared divided by the square root of 80. Multiple choices: 1. square root of 80 divided by 3 to the negative 2nd power 2. 4 over 9 times the square root of 5 3. 5 over 4 times the square root of 5 4. 9 over 20 times the square root of 5
asked by anonymous 
english
Where can I go to find a format for a newpaper,I must produce a a paper in newspaper format.
asked by emily 
Chemistry
What are some practical applications of chromatography?
asked by Lucy 
math
1 pie with diameter of a to b then radius of top to bottom half of c to o the chord is angle cob right. the questions are a. which chord is not a diameter b. name a central angle that is a right angle c. name a inscribed angle
asked by erica 
PHYSICS (what is a dynamic equation????)
A car of mass Mc is connected to mass m2 by a string. The string passes over a solid cylindrical pulley, which has a frictionless bearing, of radius R and mass M. when the system is released from rest the string doesn't slip, the car moves down the
asked by ~christina~ 
linguistics
what is firthian linguistics??? please do answer...thanks...
asked by klar maesen 
New History Question 4 U lovely ppl 2 answer!
How much did the United States pay for Louisiana?
asked by s8rSkRtGrL=) 
Algebra
Jan and Carol are competing in the 500m Freestyle swimming competition. In this event, swimmers make 10 laps in a 50 meter pool. Carol finished the race in 2 minutes, 40 seconds and swam 1/4 m per second faster than Jan. What was Jan's time?
asked by Terri 
English
Which of the following is a complex sentence that contains a dependent adverbial clause? 1) Mark expects the photo to arrive on Tuesday. 2)Marks expects the photo to arrive late. 3) Mark expects the photo to arrive in damaged condition. 4) Mark expects the
asked by Maya 
English
Identify the sentence that contains a noun cluase in italics. 1) Betty wants "to harvest the corn". 2) "When should Betty" harves the corn? 3) Betty would like "to harvest the corn". 4) "What Betty wants" is to harvest the corn. This one is #D, but again I
asked by Maya 
English Grammar
In the sentence "They are always late to the ball game.", what part of speech is "always" and "late"?
asked by Matthew 
Math
Can someone explain Gottlob Frege's basic law V to me? it is “for concepts F and G, the extension of F equals the extension of G if and only if for all objects a, Fa if and only if Ga”. Its for a paper on the philosophy of mathematics I'm writing.
asked by Sharar 
Math
I have to solve this equation by extracting square roots. (x7)^2=(x+3)^2
asked by Brittany 
english
I need some information on Xena
asked by kat 
Chemistry
Compound Identification How can I identify the anion of an unknown solution?  The possible cations in the solution are Ag, Al, Fe, Mg, Zn (not really important to this part)  The anions could be either NO3 or Cl We're given Na2CO3 and NaOH solutions to
asked by Lucy 
Physics
A block weighing 70.7 N rests on a plane inclined at 21.6° to the horizontal. The coefficient of the static and kinetic frictions are 0.23 and 0.12 respectively. What is the minimum magnitude of the force F, parallel to the plane, that will prevent the
asked by Lindsay 
Atoms. Atoms.
YOU DISCOVERED A NEW ATOM! WOW, EVERYONE AT YOUR LAB IS IMPRESSED!! SOME ARE SAYING YOU MAY BE NOMINATED FOR THE NOBEL PRIZE IN MEDICINE!!! IF THIS IS GOING TO HAPPEN, YOU HAVE TO FIND OUT AS MUCH ABOUT THE ATOM AS YOU CAN, AND YOU DON’T HAVE LONG TO DO
asked by Tina 
science
1.Explain how scientists work together to forecast hurricanes? 2.What damage can occur from a storm surge? 3. where does a tropical strom get its energy? 4. Which statment BEST describes a hurricane? A.Its wind are at least 119km per hour OR B. It forms
asked by angel 
math
simplify and state the restrictions on the variables. 4/mn * m/2
asked by Brittany 
math
simplify and state the restrictions on the variables. a^3/(a+1)^2 + a/(a+1)^2
asked by Barrie 
SCI. HELPPPP
hi i really really can't find this plz help mee~ Find out the exact rate of movement/increase of distance from New York to Europe THANKS~
asked by Lily 
Social Studies
How do you un scabble theese words? turvule mesou coflan Theese are Eygtain Animals
asked by Miley 
physics
ideal gas is kept under constant pressure of 1 atm. If initial temperature is 301K and the volume increases by 10% what is the final temperature of the gas? T2=? V1/V2= T1/T2 V1/V2= (301K)/T2 .10/1= (301K)/T2 Is the side with volume correct? The 10% part
asked by Tammy 
No Subject
Ms.Sue, I just wanted to take a few moments to let you know that I recently completed my work in Early Child Ed. I want you to know that I truly do appreciate all the help you have given me,and let me say "thank you"for being patient with me while I was
asked by Ms.Sue this is for you! 
Tom
A football is kicked at 15 m/s with an angle of 35 degrees with the ground. How long is it in the air? How far will it land? Can someone help plz... Thanks!
asked by Phsyics 
algebra 2
consecutive odd integer problem find two odd integers the sum of whose squares is 130. (sq)=squared let x= 1st odd int let x+2=2nd odd int (2x+2)(2x+2)=130 4x(sq) + 4x+ 4x +4=130 4x(sq) + 8x 126= 0 2(2x(sq)+4x63)=0 My question: the two numbers to factor
asked by harry 
Social Studies
Things we find in nature are ___________ features. (Ex. landforms, bodies of water, weather, plants, animals)
asked by Molly 
physics
An ideal gas is kept under constant pressure of 1 atm. If initial temperature is 301K and the volume increases by 10% what is the final temperature of the gas? T2=? V1/V2= T1/T2 V1/V2= (301K)/T2 .10/1= (301K)/T2 Is the side with volume correct? The 10%
asked by Tammy 
english
who contributes the most to society and why?
asked by Ronny 
PLEASE HELP!!!!!
What is the distance (in miles) from Ny to Europe? It doesn't matter what place. Just the distance in miles or anything else. PLEASE!
asked by Lily 
Environmental
I have to write a paper on an environmental problem and expand on a (or two) solution to the problem... any ideas? Anything specific would be great since I'm at a stand still...
asked by JessyLeigh 
U.s. HiStOrY
Where was the first permanent English settlement in the New World?
asked by skatergrl 
Chemistry
How many electrons in an atom can have n=3, ml=+1 and ms=+1/2
asked by Meg 
U.s. HiStOrY
Which New England settlement used the Mayflower Compact as its basis for selfgovernment??
asked by s8rSkRtGrL 
chemistry
what is the flame test for nickel
asked by Anonymous 
Social Studies
What are four ways that congress can check the power of the president?
asked by Ariana 
rec and leisure
I need program trends for Youths in recreational programs? so far this is what i have... Program trends that are persistent with youths are it is hard to get them involved especially males. Most youths will only get involved if they have a friend or family
asked by DAVE MCDONALD 
English
Identify the compound sentence. 1) Last summer, we decided to drive to the beach. 2) Because it had been sunny all week, we did not bring umbrellas. 3) The rain began to fall, but we did not want to leave. 4) While it rained on the beach, we swam in the
asked by Maya 
Math
Les Fleurs, a boutique in Paris, France, had the following accounts in its accounting records at December 31, 20X2 (amounts in Euros, denoted as "E") Purchases………………... E250,000 Freight In……………… E8,000 Sales discounts………….
asked by Vision 9/ Help Please 
french question
Does comment vastu? and comment allez vous? both mean how are you doing?
asked by Vic 
math
Using numbers,words or symbols,write a rule that could be used to find the total cost of any number of museum tickets. You may use n to represent the number of museum tickets bought.
asked by Paul 
physics
A block of wood weighs 40 N in air and 30 N in water. What is the buoyant force exerted by water on the block? B = F_g = BF_g =3040 =  10N Is this correct?
asked by Tammy 
algebra
what is algebra? and you give me a example
asked by aaron 
Social Studies
Can you tell me who's whom.The who's are the Pharoh, High Priest, Scribe Samhut is Akham is Nephat is Zepssa is wife to the Pharaoh, her grandmother's brother, the High Priest, has no daughters, one son three grandsons.Only one grandsons(Samhut) is a
asked by Miley 
english
who contributes the most to society and why?
asked by Ronny 
Calculus
Find the volume of the solid obtained by rotating the region enclosed by the graphs x=y^(3) and x= y^(1/3) about the yaxis over the interval [0,1].
asked by Anonymous 
math
Need help with fractions such as 4/5 = ? as a decimal
asked by Jennifer 
chemistry
a piece of silver cut in half,density stays the same.Why?
asked by Anonymous 
science
How does science work together to forecast hurricanes ?
asked by angel 
lit
how is the concept of empathy illustrated and developed in Raymond Carver's "cathedral"
asked by sammy 
English
In conclusion, the novel creates an oppressive environment where the men in the asylum are ruled by the Nurse. She uses her powers to make the men fearful, passive and emasculated victims. The Nurse wants a society of order, conformity, discipline and
asked by Anonymous 
math
wich is bigger 3/5 or 9/100
asked by Anonymous 
Brochure
I can't find any other risks of volunteering other than: abuse and accidents at the work site... If anyone knows anything else... thanks! Also, if anyone knows where to find what kind of accidents occur.. Thanks!!! So MUCH!
asked by Anonymous 
Science
Hello...What is the function of the centrosome? I believe it has something to do with cell mitosis, but I'm not quite sure...Please and thank you.
asked by Eve 
scorpions
What are the kinds of scorpions that look the same but isn't?
asked by chrishirley 
math
8/9 x 1 1/5 x 10
asked by erica 
History
How do U have to be to become President?
asked by s8rSkRtGrL 
U.s. HiStOrY!!!!!!!!!!!!!!!
How many amendments compose the Bill of Rights?
asked by s8rSkRtGrL=) 
Religion
Modern civilization has impacted the spiritual lives of the indigenous peoples you explored. Are indigenous religions still practiced today? If so, how have the practices changed over time?
asked by Danny 
Science
What vegetable names,other than Zucchini,contain the letter 'Z'?
asked by Dee 
maths
the equation of the circle is x^28x+y^2+4y+11=0 find any coordinates that intersect the line y=x1
asked by cecelia 
MAths
Hi my question is if we have a cube that is 20cm cubed And 2 lenths representing 24 cm and 23 cm We want to find x which is the width how do we do that ?
asked by YOYO 
Literature
How does "A Rose for Emily" demonstrate that the act of going to war ensured the demise of Southern Aristocracy? I noticed that she didn't have to pay taxes at first because the colonel knew she couldn't pay them. Are there other proofs?
asked by Tammy 
English
Whcih one of the following sentences is puntuated correctly? 1) The sea calmed but not boats left shore. 2) The sea calmed, but no boats left shore. 3) The sea calmed; but no boats, left shore. 4) The sea, calmed, but no boats, left shore. #2 is the one I
asked by Maya 
Math help
Good Evening If i have a cylinder that has the volume of 141cm cubed. And the question is if one box has 98 of those cylinders. How much of those will you fit in , if you had 2000 boxes ?
asked by ASt 
science
What is some benefits of squeezing so much info into virtually every cell in the body?
asked by Kortny 
math
how do u turn a friction into a precent
asked by alicia 
u.s. government
how did the Civil War Amendments have the opposite effect than what they were made to do? how did they make way for the Jim Crow laws?
asked by needs help 
Biology
List and briefly describe the 4 Laws directing Biodiversity?
asked by John Nguyen 
lit
discuss how the methaphor of death operate in Chinua Achebe's "dead men's path" with specific reference to culture identity?
asked by kim 
social studies
"Without our two great political parties cutting across economic and geographic interests, democracy as we know it could never have been made to function." The author of this statement probably meant to suggest that
asked by mike 
English
In conclusion, the novel sets as an oppressive environment where the men in the asylum are ruled by the Nurse. She uses her powers to make the men fearful, passive and emasculated victims. The Nurse wants to accomplish a society of order, conformity,
asked by Anonymous 
chem
if S8 has a partial pressure of .25 atm an decomposes to 4S2, is it the same partial pressure? (In case this is relevant, temp is 1325K ata an initial pressure of 1.00 atm and both are gas)
asked by kitty 
science
why or how does a rope hold more weight vertically than horizontal?
asked by james 
English
Can you proofread my paragraph?  The Nurse forces the men to conform in order to give herself a sense of superiority. The Nurse obsesses on perfection to the point that humanity is cast aside. “[S]he dreams of there in the center of those wires is a
asked by Anonymous 
math
Find the arc length of y = ln(cos x) over x = [0, pi/4]
asked by mathstudent 
social studies
Where do most Ancient Egyptian work?
asked by Caroline 
Economics
I have a question, and I can't find the answer in the book. Can someone help me? "The domestic demand for many Agricultural products is inelastic. How does this contribute to the price volatility of Ag products?"
asked by Katie