Sunday

November 29, 2015
Number of results: 11,079

**science help**

How can you describe the location of hafnium (Hf, atomic number 72) on the periodic table? choose all that apply. -Transition metals -noble gases -group 6, period 4 -group 4, period 6 pls help me damon or ms sue pls help me pls pls pls
*March 31, 2015 by Oscar*

**science**

pls. pls. pls. somebody help me...you see im on a science class and i don't want to go to the regular section, so pls.... give me an acrostic for the word "SCIENCE"
*June 11, 2008 by chris*

**geography**

hi,i have make a project on hurricane Katrina on disaster management pls help to get information pls pls help me............
*June 17, 2010 by varsha*

**Chemistry :'( **

(d) Which of the following sets of quantum numbers is not permitted? Select all that apply. 2,1,1,-1/2 1,1,0,-1/2 2,-1,1,-1/2 3,2,1,1/2 Pls pls pls help me :( x
*November 18, 2012 by Anonymous*

**Finance**

Omega Instruments has budgeted $300,000 per year to pay for certain ce- ramic parts over the next 5 years. If the company expects the cost of the parts to increase uniformly according to an arith- metic gradient of $1 0,000 per year, what is it expecting the cost to be in year...
*May 26, 2013 by Aly*

**Math**

Can u pls pls pls solve this algebraic expression?? I cant solve it although I tried many possible ways and solutions :/ 10+1/3[4k-(18+7k)]
*July 31, 2011 by Sally*

**afrikaans (AFK503/101)**

Hi there, can anyone pls help me with AFK1503/101 - 2015. I am seeking an English version of this assignment pls, is there an English one available? if there is pls provide me with a website address to get access. Thank you. Tanya
*August 12, 2015 by Tanya*

**Physics**

A child pulls a wagon along level ground. The handle with which she pulls the wagon makes an angle of 20.0 degrees with the ground as the child pulls with a force of 78.0 Newton. What are the components of the force. Pls pls pls pls help me answer this and may God bless u!
*October 16, 2013 by Stephanie*

**MANIPULATION OF DNA**

can anyone describe to me what this is pls? also can anyone pls explain how dna manipulation works and what it does pls?
*April 1, 2009 by GLORIA*

**physics.pls help**

How do you know what element is chemically active on the periodic table? PLS HELP
*October 5, 2011 by ted*

**math help**

1/4 divided by 3/8 pls help me im confuss i forgot the ste pls explain
*October 27, 2012 by Anonymous*

**pre algebra**

2x^2 + 8 - 4x + 3x - 6x^2 + 7 what does this simplify to A)-8x^2 - 7x + 15 B)-4x^2 - x + 15 C)4x^2 + x + 15 D)8x^2 + 7x + 15 pls help me reiny steve or damon pls help me
*March 23, 2015 by Oscar*

**math pls help me **

(-2y + 5 )(y + 3) what would this simplify to? A)-2y^2 + 8y + 15 B)-2y^2 - y + 15 C)2y^2 + 8y + 8 D)2y^2 - y + 8 pls help me steve or damon or ms sue
*March 23, 2015 by Oscar*

**math**

Pls i want you to teach me the 5 90 lotto formular pls i need it now
*September 30, 2015 by abiodun*

**food science**

pls give me an idea on the formulation of bavarian cream filling. pls. thank you
*January 4, 2008 by vcq*

**Science(Help NOW, Pls)**

wat elements make up water? pls help! i will be very happy if you do! :S
*December 15, 2010 by GirlSense*

**physics.pls help**

Why is it important to asaume that a rope under tension is taut and does not stretch. pls help
*November 14, 2011 by ted*

**Science(Help NOW, Pls)**

organisms in which domain live in every environment? pls help, im stuck on this one. :S
*December 15, 2010 by GirlSense*

**physics.pls help**

A 100g bird sits in its nest. what is the Fnet(net force) in this case? pls help
*November 10, 2011 by ted*

**physics.pls help**

can you help me to isolate the ''t'' in this formula. d=V1t+1/2at^2 pls help
*November 5, 2011 by ted*

**(pls help) algebra**

4x+y-32=1, 6x-y-4z=7, 10x+2y-6z=5 pls show me how to solve for x,y,z. Ans:xx=1.5,y=-2,z=1
*July 8, 2013 by david*

**e commerce or marketing, help pls**

hi,good evening everyone can you help me on finding a clothing manufacturer resource system??? pls thank you
*December 6, 2011 by need ASAP*

**Chemistry**

rank the following atoms and ions in the order of expected increasing radius: Ca, Ca2+, Ar Pls pls help me kindly... Anyone?
*November 18, 2012 by Anonymous*

**statistics**

H0: pi<=.60 versus H1:pi>=.60, alpha:.05 x:56 n:80 I really don't get where Alpha is involved, pls help. Thanks
*May 2, 2010 by barty*

**PLS HELP ME WITH ONE MATH QUESTION!!???**

pllllsssss help me!!!!!!! 5. How many lateral edges are there in a triangular prism? (1 point) 6 3 9 12 I dont know if its 6 or 9 or even 12!!??? pls help asap!!!!!
*February 19, 2014 by TTR+S<3*

**Help pls. **

Compute the acceleration of the block sliding down a 30 deg inclined plane if the coefficient of kinetic friction is 0.20. Show solution pls.
*August 23, 2014 by Yan-yan*

**LA --- 1 question pls help!!!**

hi, one question based on the short story called, "Cyber Chitchat" this one confuses me, pls help if u know the book! 8. The tone of "Cyber Chitchat" is (1 point) serious. humorous. depressing. angry. i think its humorous but im not so sure..... pls help asap!!!!! thanx in ...
*March 2, 2014 by TTR+S<3*

**CHEMISTRY> HELP QUICK! pls**

I GOT THIS WRONG IN AN ASSIGNMENT. I HAVE AN EXAM IN 2 DAYS. CAN YOU SHOW ME HOW TO DO IT PLS. What is the pH of a 2.62 x 10 -1 M NaNO2 solution ? NB the pKa for HNO2 = 3.153. 12.13 13.42 1.87 8.29 0.58
*June 4, 2010 by Lucinda*

**ss --- one question pls help!**

pls help!!! What kept the price of cotton high in the years before 1860? a. cotton gin b. demand in Great Britain c. slavery d. large plantations I origionally thaught it was a. cotton gin, but after research, it looks like it was b. demand in GB my textbook doesnt say ...
*February 27, 2014 by TTR+S<3*

**physics- TEST TMRW PLS HELP!**

how would i do this? -----------------A-----------B-------- I<----1.5m------>l<--0.6m-->l<-0.3m->l a carpenter carries a 6kg board . the downward force he feels on his shoulder (A) is .... ? (B is where his hand is) pls help!! i have so much difficulty with ...
*December 9, 2012 by Anya *

**History**

The Transcendentalism movement most directly affected the development of American politics literature popular culture painting and sculpture Is it c. Pls help me ms sue or dr.bob or steve or anyone pls help me
*March 20, 2015 by Oscar*

**physics**

pls explain to me how you add 65km{North 85 degreesWest], 3500m[South 10 West}, 6000m{East 70 degrees South], 54km[North 60 degrees East]. pls explain to me how i should add these vectors. I really need help. pls help
*October 26, 2011 by ted*

**Math**

Pls help .[1] Solve the eguation 4*=28. [2] change 1/20 to decimal [3] change 60% to a common fraction . Pls i need the solving thank you
*February 23, 2012 by Bright*

**calculus**

After solving with A=(-1,2) x^2+2x^2+x+1 got 119/12a pls where did i get it wrong. And with -[(-55)] x^2-25dx i got -50 pls am i correct
*September 7, 2013 by grace*

**Lotto game**

This is winning Number, 55-80-83-65-3, pls can you help me out of the next number on 1th feb 2014, pls,
*January 30, 2014 by Adekunle*

**math pls help!!!!!**

these are the few i dont know/im not sure. pls help! The distance from Newtown to Oldtown on the highway is (6x^2 + 2x – 2) miles. Using the back roads, the distance is (5x^2 – 8x – 6) miles. How many miles shorter is the second route? A. 11x^2 + 10x - 8 B. -x^2 - 6x + 4 C. x^...
*May 31, 2014 by zumai*

**physics**

help pls. i need to find the best animation of the movement of electrons and protons... the best one... pls send me the link. thanks so much.
*April 24, 2015 by Lucy*

**social studies---check 1 question pls**

6. Whose mill launched the factory system? (1 point) James Monroe Eli Whitney ***Samuel Slater*** Francis Cabot Lowell help pls
*January 29, 2014 by TTR+S<3*

**english**

need some ideas for a classification essay on advertisement pls I have submitted three different options to my teacher and he has declined them either saying there is overlap or they are not distinct. i am stumped! pls help
*September 13, 2014 by c*

**physics.pls help**

How much time can you save travelling diagonally instead of running 450meters south and then 650meters west. if your running speed is 5.0m/s. pls help
*November 1, 2011 by ted*

**m/c**

Which of the following refers to when a researcher gathers data from a sample and uses the statistics generated to reach conclusions about the population from which the sample was taken? inferential statistics holistic statistics conclusive statistics descriptive statistics is...
*May 20, 2010 by Thara!*

**Science(Help NOW, Pls)**

when rock layers are pulled from opposite directions, one block tilts up, while the other block does what? answer pls, need help.
*December 15, 2010 by GirlSense*

**values...pls. help me**

can you help me please how to get an answers for this question below.. pls.give me an examples for this question. thanks God bless you.. 1.xplain a strategy wherein a liability may turn out to be an asset to ANYONE?
*August 25, 2011 by Jessie*

**science**

pls could u give me a website with all the science warning signs on in pls?
*October 13, 2009 by holly*

**sociology-pls help**

similarities between milgram's experiment and stanford experiment pls help
*November 4, 2011 by ted*

**physics-pls help**

The ball is thrown froma height of 10 meters with an initial upward velocity of 3.0m/s. How long does it take to land on the ground? What is its maximum height? i know the formula is d=v1t+1/2at^2 but i do not know what else to do. pls help
*November 7, 2011 by ted 2*

**epp**

pls this is just a simple question how can plants grow using the branch? using the fruit? ang using the head? pls answer in english or tagalog, thank you!!!
*February 19, 2008 by renz anthony*

**chemistry pls help**

If 10.0 mL of 1.0M HCl is added to 90 mL water, what is he concentration of the new solution? What is the pH of this solution? If the solution is titrated by 0.500M Ca(OH)2, how much volume (ml) of NaOH necessary? Need help pls.
*December 8, 2012 by Emmy*

**physics- TEST TMRW PLS HELP!**

w w w . m e d i a . c h e g g c d n . c o m / m e d i a / a c 3 / a c 3 b b 1 e 1 - 5 b a 8 - 4 1 9 e - 9 a 8 4 -a d 5 0 e 4 6 a 2 9 4 e / p h p s U O o L 3 .p n g (delete all spaces for link to work) Determine the magnitude of the resultant moment produced by the forces about...
*December 9, 2012 by Anya *

**Math**

Could someone pls. help me out on the following question: find the producers surplus (to the nearest dollar ) at a price level of p=$26 for the price-supply equation p = s(x)= 5ln(x+1) . An early response would be greatly appreciated pls. Thank you.
*January 12, 2013 by Jim*

**science help.. pls help me dr.bob22**

A metal from group 1 and a nonmetal from group 17 are? A. Not likely to bond B. Likely to form a covalent bond C. Likely to form a ionic bond D. Likely to form a metalloid is it c pls help me pls help me
*March 31, 2015 by Oscar*

**electronics**

pls help me guys... 1.) what is the function of cathode? 2.) what is the function of anode? pls answer it specifically and direct to the point. thanks guys. I really appreciate your big help on me. :)
*June 30, 2009 by akitsuke*

**science,details about fish HELP PLS!!!!!!!!**

Why are fish important? how do they help balance the ecosystem? how can we protect fish? what does overfishing affect other than fish? Pls and thank you
*April 7, 2009 by Jan*

**Statistics (Pls. Help Me)**

2. A market researcher wishes to determine the market share of the four leading brands of milk among children in Metro Manila who are 6 years old or younger. a.) Population: b.) Variable of Interest: c.) Parameter of Interest:
*January 15, 2013 by Cho*

**physics.pls help**

Participants in a road race take water from a refreshment station and throw their empty cups away farther down the course. If a runner has a forward speed of 6.20m/s, how far in advance of a garbage pail should he realease his water cup if the vertical distance between the lid...
*November 8, 2011 by ted*

**physics.pls help**

Participants in a road race take water from a refreshment station and throw their empty cups away farther down the course. If a runner has a forward speed of 6.20m/s, how far in advance of a garbage pail should he realease his water cup if the vertical distance between the lid...
*November 9, 2011 by ted*

**parenting**

making the decision to have a child is momentous. it is to decide forever to have your heart go walking outside your body. pls i was asked to write a one page reflection, but i don't know what to write or how to start. pls help me
*September 12, 2010 by Ted*

**CONTROL SYSTEM**

HELP,PLS HELP..I NEED ANSWER FOR ECEN 4413 AUTOMATIC CONTROL SYSTEMS SPRING 2005 MIDTERM EXAM..I CANNOT FIND ANSWERS IN THE INTERNET.PLS HELP IF YOU KNOW WHERE TO DOWNLOAD THE SOLUTION MANUAL..OR YOU KNOW THE ANSWER!!THANK YOU
*October 5, 2013 by HEEELLLLPP!*

**math(urgent)**

$1000 was invested for two years at 10% simple interest .calculate the effective rate was earned. pls check my solve (1+0.1/2)^2-1 = 0.1025 but the true answer is 9.54% pls help me to get the formula of effective rate
*May 16, 2014 by fizz*

**math**

pls help me to solved this equation 1. 6y=x+18 2y-x=6, 2. 4x=3y=13 2x-4y=1 3. y=3x-12 2/3x=2/3-1/6y pls help me now. this equation is Systems of Linear Equations Solved Algebraically.
*July 25, 2010 by joy*

**Math help check**

8t^5 x 8t^5 A)64t^25 B)64t^10 C)16t^10 D)16t^5 can u pls help me ms sue, damon, or steve, or reed.pls help me
*March 23, 2015 by Oscar*

**chem **

Can anybody explain to me how to determine the endormicity and exormicity in a reaction and where does the equilibrium shift. Pls. give an example of it. Iwas reading my book and trying to understand but i really can't comprehend it. Now I'm stuck here i can't answer my post ...
*November 29, 2012 by Angel Locsin*

**chemistry**

pls help i need the answer not jus part of it, pls im really stuck out here. A buffer was prepared by dissolving 0.100 mol of the weak acid HA (Ka = 1.00 × 10−5) plus 0.050 mol of its conjugate base Na+A− in 1.00 L. Find the pH.
*December 1, 2012 by canas*

**math --- can someone help me pls?**

can anyone help me with these 2 questions pls? Calculate the slant height for the given cone. Round to the nearest tenth. (1 point) Diameter = 8 Height = 9 10.2 cm 11.4 cm 9.8 cm 12.0 cm Calculate the length of the diagonal for the given rectangular prism. Round to the nearest...
*February 26, 2014 by TTR+S<3 *

**science help.. pls help me dr.bob22 or damon**

In a water molecule, 2 atoms of hydrogen and 1 atom of oxygen share electrons. A _______ bond, is found in water molecule is it chemical bond pls help me
*March 31, 2015 by Oscar*

**SS --- one question pls help asap!!!!!**

hi, pls help asap!?? one social studies question! The Industrial Revolution led to changes as the U.S. became more economically independent. Which of these changes occurred during this time? A. Cities began to grow, because individuals moved from farms looking for education. B...
*February 7, 2014 by TTR+S<3*

**math pls help Ms Sue**

could you pls check my math 6< s +7 -1<s -8.7<y + (-12.4) 21.1<y x + 17 > 10 -7 > x 11 > j + (-19) 30>j 24.3 > g- (-14.4) 38.7> g f + (-20) > -7 f > 30
*December 3, 2012 by Kyle *

**ELA**

what is margot's motivation for saying sometime i wish he world would come in the diary of Anne frank act 2? is it D A)She wants to make Anne angry B)She wants the others to feel sorry for her C)She wants someone to give her food D)She wants to stop living in fear Someone pls ...
*March 6, 2015 by Oscar*

**math**

length of the rectangle is five more than twice its width .area of the rectangle is 52 sq meter. find the length of the rectangle have my own sol. pls. continue L=5+2w LW=52 (5+2w)w=52 2w^2+5w=52 2w^2+5w-52=0 soo. pls could someone continue this~?
*August 11, 2015 by al sah him*

**science help.. pls help me dr.bob22 or damon**

Sodium Chloride is formed when atoms lose and gain electrons Carbon monoxide is formed when atoms share electrons. In both substances atoms are held together by a(n) is it chemical bond pls help me
*March 31, 2015 by Oscar*

**Statistics**

At a car rental agency, 0.34 of the cars are returned on time. A sample of 13 car rentals is studied. What is the probability that more than 3 of them are returned on time? Write only a number as your answer. Round to 2 decimal places ( for example: 0.24). Do not write as a ...
*October 2, 2015 by sam*

**Statistics**

In a certain class 27% of the students are left-handed. suppose that a random sample of 53 students is selected. Find the mean number of left-handed students in the class. Round your answer to the nearest integer. Pls help!
*October 1, 2015 by sam*

**physics**

A man is driving his car ata velocity of 100km/h on a straight road. H e sees a traffic jam at a distance and slows down to 12.5m/s in 3.0s. What is the average acceleration of the car? pls help. I know that the formula for average acceleration is V2-V1 divided by T2-T1 but ...
*October 12, 2011 by ted*

**Statistics**

The Probability that a randomly selected commuter listens to audiobooks during their commute is 0.49. Suppose that a sample of 10 commuters is selected, what is the probability that at most 3 of them listen to audiobooks? Write only a number as your answer. Round to 2 decimal ...
*October 2, 2015 by sam*

**MATH 1 QUESTION VERY HARD PLS HELP ASAP!!!!!**

PLEASE HELP ASAP!!!!! i dont know! Explain how to write a function rule from the table below. Then write a function rule. x: 2 4 6 y: 1 0 –1 i know its so simple but im having so much trouble!!!:( pls help!
*May 19, 2014 by zumai *

**physics.pls help**

The volume of a cylinder is defined by the formula V=pie R squared h. If initially have a cylinder with a volume of 10m cubed. Find the volume of the cylinder if the height doubles and if the height is cut in half. pls i really need help.
*November 3, 2011 by ted*

***health* one question pls help asap!!!!!**

5. Barrett works with a local gardening club to improve gardens in his community. Which dimension of health drove his decision? A. environmental B. spiritual C. social D. emotional i dunno whether its A or C!!! it would be A if its pointing to the environment (flower) case, ...
*June 2, 2014 by TTR+S<3*

**statistics**

Statistics play s a major role in the health care field in today's environment. Please provide how statistics can be important and influential in the nursing profession. Provide at least two examples where you ahve observed statistics to contribute positively to the needs of ...
*May 18, 2010 by cortez*

**statistics**

5. The table below shows Psychology exam scores, Statistics Exam scores, and IQ scores for a random sample of students. What can you observe in the relationship between IQ and psychology, psychology and statistics, and IQ and statistics? Using a web-calculator, obtain the ...
*November 29, 2011 by shirley*

**GEOMETRY PLS HELP**

learning geometry i need to determine whether each pair of figures is similar. and explain why or why not: since I cant draw can you help me with this pls im so lost. 1) triangle xyz <x 65 degrees <y is 65 <z is 50 line xy is 2.55 line yz is 3 line zx is 3 triangle ...
*January 31, 2012 by marko*

**chem**

The molar concentrations for the reactants and products at equilibrium are found to be [HCl] = 0.80 M, [O2] = 0.20 M, [Cl2] = 3.0 M, and H2O = 3.0 M. What is the value of the equilibrium constant for this reaction? the complete reaction is 4HCl+O2=2Cl2+2H2O i got this answer ...
*November 19, 2012 by tracy*

**Algebra ASAP**

pls pls help out A geometric sequence begins 36, 9, 9/4, 9/16, 9/64, . . . . (a) Find the common ratio r for this sequence. r = (b) Find a formula for the nth term an of the sequence. an = (c) Find the tenth term of the sequence. a10 =
*August 14, 2015 by hey*

**chemistry**

A puncture in the tubing of a refrigerator can cause severe frosbite as chloroethane C2H5Cl, vaporizes. Use this thermochemical equation to calculate the heat absprbed when 23.6g of chloroethane vaporizes at its boiling point (9.66kj) C2H5Cl + 26.4kj arrow C2H5Cl. pls i need ...
*November 19, 2012 by Ted*

**Statistics (Pls. Help Me)**

For the following studies, identify the possible target population, elementary unit, sampling frame, sampled population and sampling unit. 1. A doctor wishes to study people working at a hotel in Makati afflicted with hypertension. 2. A researcher would like to estimate the ...
*January 15, 2013 by Cho*

**Statistics**

What is an example of a research problem at your organization that would benefit from the use of either descriptive statistics or probability distribution statistics?
*October 11, 2010 by Kathy*

**economics**

Pls Help. Not too sure how to do this question. Someone wants to set aside money for their newborn daughters college funds. He estimates she would need 25,000 on her 17, 18, 19 and 20, birthdays. If he plans to make uniform deposits starting 3 years from now and through her 16...
*May 26, 2013 by Aly*

**English**

has any 1 read the novel called, "The House that was Eureka"? if so can u pls tell me what are examples of 'use of violence to resist injustice'. i need it for my english essay. plus i also have to mention the modern world's use of violence to resist injustice. pls help me.
*September 7, 2009 by girl*

**5th grade (math)**

In how many different ways can five cent and eight cent stamps be used to make $2.43? In process, show the different combinations of stamps that make $2.43. In solution, tell how many ways you found. Pls help me pls.
*April 16, 2015 by ary*

**social studies**

The growing popularity of newspapers, magazines, and books in the United States during the 19th century contributed to which of these? The emergence of a uniquely American literary style The expansion of educational opportunities for women and minorities The spread of ...
*March 21, 2015 by Oscar*

**critical reading**

pls help me with this question. 1.the premises of an argument are the assertions and the evidence that the author offers in support of the conclusion. true or false. i think is true but an not sure. 2.The factors that influence newsworthiness are based on the needs of the ...
*September 7, 2011 by faith*

**Chemistry-II (Percent Composition)**

1. Identify the percent composition of sodium carbonate. 2. Determine the percent composition of calcium in calcium carbonate. Pls. help me... my prob is that there is something in the solution that bothers me.. pls.kindly show me how to do.. i'll thank u later... :)
*January 23, 2013 by jezzaD.*

**math 1 question pls help!!!!!**

7. A rectangular prism has a width of 92 ft and a volume of 240 ft3. Find the volume of a similar prism with a width of 46 ft. Round to the nearest tenth, if necessary. (1 point) 30 ft3 40 ft3 60 ft3 120 ft3*** this one was tricky pls help asap!!! thanx in advance
*March 20, 2014 by TTR+S<3*

**science pls help**

i posted this earlier but got a confusing answer so pls help as best as u can asap! True or False 1. If a 40 kg person is accelerating at 10 m/s2, then the magnitude of the force acting on him or her is 400 N. (1 point) true false Multiple Choice 2. How much force is needed to...
*March 13, 2014 by TTR+S<3*

**pls help me dr.bob22 science **

Which of the following demonstrates that reactants and products are chemically different? A.Zn + 2HC1 = 2HCl + Zn B. Zn 2HCl = H2 + 2 nCl2 C. H20 + C4H10 = H20 + C4H10 D. C4H10+ H20= C4H10 +H20 is it b pls help me
*March 31, 2015 by Oscar*

**statistics anova**

a professor is interested in whether there is a differnce in counseling student's statistics competency scores among 1) those who have never taken any statistics ourse, 2) those who have only taken an undergraduate statistics course, 3)
*February 27, 2012 by caryn*

**statistics ***pls help!**

for each of the following, assume the 2 samples are selected from populations with equal means and calculate how much difference should be expected, on average, between the 2 sample means. a)each sample has n = 5 scores with s^2 = 38 for the first sample, and s^2 =42 for the ...
*April 14, 2011 by jerr *******

**science, pls explain this!**

25. When an electric current is passed through water during the process of electrolysis, two gases are formed. One gas has a boiling point of –183°C and the other has a boiling point of –253°C. Has a physical change or a chemical change occurred? Explain. (6 points) ok, can u ...
*March 12, 2014 by ravenrothroxy !jinx!*

**when did child labor start and end in america**

pls someone give me an exact year. thats it, i dont need any backstory. it doesnt have to be specific just round it up, like just say 1900's when did child labor start and end in america? pls helps asap!!!!!
*May 27, 2014 by zumai*

**Physical chemistry**

A mixture contains n2o4 and No2 in the ratio 2:1 by volume what is the vapour density of the mixture.Pls answer the question i have been on the question for 2 hrs by now tried solving using mole fraction ideal gas equation an using the formula molar mass /2 but still couldn't ...
*August 7, 2014 by Rajiv*

**physics**

Two children on racing bikes start from the same reference point. Child A travels 5.0m/s{right} and child B travels 4.5m/s{right}. How much farther from the point of origin is child A than child B after 5.os? pls I really really need help. I do not understand it and I do not ...
*October 4, 2011 by ted*