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July 24, 2014

Search: physics.pls help

Number of results: 55,815

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

(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

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

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

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

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

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,

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

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

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

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

physics.pls help
An ice hut used for winter fishing is at rest on a level patch of snow. The mass of the hut is 80kg. A wind exerts a horizontal force of 205N on the hut, and causes it to accelerate. While in motion, the magnitude of the force of friction acting on the hut is 196N. What is the...
November 17, 2011 by ted

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 me with this i really need it.. pls. A gas in a cylinder expands from a volume of 0.110 m3 to 0.320 m3. Heat flows into the gas just rapidly enough to keep the pressure constant at 1.65 x 105 Pa during the expansion. The total heat added is 1.15 x 105 J. (a) Find ...

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

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

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

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

quantum physics
question 3 a ...help pls
October 18, 2013 by alex

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

physics
Pls,tell me the importance of Significant Figures?
March 7, 2011 by sam

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

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

physics
can you help me to re-arrange this formula. i dont get it. V2^2= V1^2+2ad^2 I want to solve for a pls help
October 18, 2011 by ted

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

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

physics
pls show answers and work with the questions i have posted.
December 22, 2010 by sk

Physics
Show that work done in a wire, E=YAsqr(e)/2l, explainthe symbols. pls help.thanks
January 22, 2011 by Ochuko

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

physics
why is the color of the sky orange during sunrise and sunset? --pls help me on here-- thanks :)
February 27, 2009 by matani

Physics pls hlp
At what depth in water is the pressure equal to 2m atmosphere. Explain how
April 9, 2012 by Momito

physics
pls what is the formula for calculating period given gravity, mass and length of the material
April 5, 2010 by fe

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

physics
The specific heat of pure water at 15 degrees celsius is 4184j/(kg.k). Convert this to kcal/(kg.k). pls help
December 11, 2011 by ted

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
A 1.0kg ball initially at rest rolls down a plane at 35 degrees. pls i really need help
November 10, 2011 by ted

physics
The specific heat capacity of pure water at 15.0 degrees celsius is 4184J/(kg.k). Convert this to kcal/(kg.k). pls help
December 11, 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

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

Physics
Find the magnitude and direction of the equilibrant force for these two concurrent forces: 13.5 N, E and 32.0 N, N. Pls HELP me answer this. Thank u very much.
October 16, 2013 by Stephanie

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

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

physics
For an object travelling at a constant velocity, how does the dispalcement change over equal time intervals? I do not understand this question pls help.
September 26, 2011 by ted

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

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

physics
Add the following vectors 1.50m{North 45 degrees West}, 10m{South30degreesEast}, 25Meters[South60mWest] pls help. explain to me how to solve it
October 26, 2011 by ted

physics
A 1.0kg ball initially at rest rolls down a plane at 35 degrees. Find the net force. pls i really need help
November 10, 2011 by ted

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... :)

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

Physics - Assist pls!
Dear All please do help me out - thanks. How much heat and light energy is produced by a 100W electric lamp in 5 minutes? Solutn = I tried this using Energy = power x time 100 x 5min = 100 x 300 sec = 30,000J - Pls do I got the answer? You will see it easier if you include ...
April 18, 2007 by Sola

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!

physics movie question
Pls I need a site that shows all the 168 impossibilities in the 'Armageddon' movie.
September 15, 2011 by ted

Physics
A skateboarder enters a ramp at 5 m/s, skates down it and exits at 14 m/s. What was the Height of the ramp? A. 8.7 m B. 85.5 m C. -1.2 m D. 3m E. 1.2 m Pls show work !
December 3, 2012 by john

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

MATH --- PLS HELP CONNECTIONS ACADEMY
pls help asap! i dont know!!! i need someone from connections academy, 8th grade semester 2 unit 1 lesson 5: polygons and angles!!! Identify the sequence of transformations that maps quadrilateral ABCD onto quadrilateral A''B''C''D''. (1 point) (picture that i cannot post) 180...
January 31, 2014 by TTR+S<3

maths permutation & combination - answer pls check
Your password for a given website is made up of three letters followed by four numbers. Find the number of possible passwords if there are no restrictions on what three letters and what four numbers can be used. Pls check if my answer is correct 26C3*10C4 =26!/(26-3)!3! . 10...
April 13, 2008 by matt

Physics PLs DAMON HELP
A thick metal slab carries a current I as shown. A uniform magnetic field B points perpendicular to the slab (and into the page). If point P on the slab is at a higher potential than point Q , what can we say about the charge carriers that produce the current in the slab? a....
December 16, 2013 by ashish

Physics- Pls help~review for test!
A 10.0 kg box is pulled along a horizontal surface by a 40N force which is applied at a 30.0 degree angle. If uk = 0.3, calculate the acceleration of the box.
March 17, 2011 by cr

chem
Mg(OH)2=Mg2 + 2OH- a) which species would react with if an acid H+ is added to the mixture? my answer is the equation will shift to the right (product) b) would this cause a deficit or excess? my answer is excess c) what would you predict would be observed by adding the acid? ...
November 25, 2012 by Andrew78

chem
Mg(OH)2=Mg2 + 2OH- a) which species would react with if an acid H+ is added to the mixture? my answer is the equation will shift to the right (product) b) would this cause a deficit or excess? my answer is excess c) what would you predict would be observed by adding the acid? ...
November 25, 2012 by Andrew78

Physics
Pls help with a solution.....a boy of mass 8kg falls from rest from a height of 100m neglecing air resistance calculate his total energy after fallin down a distance of 40m
January 19, 2012 by Mozes dixon

gegraphy
the native people originally come from? the name of the ethnic ground that settles in the praires? the porcess that formed the rocky mountains and appalachians? the most valuable catch in the pacific? the most eastern and western physiographic region? the two mining popular ...
June 12, 2010 by Ted

Chemistry-pls help
I refer to the following question. Is my explanation correct, that step two C6H14(g)--> 6CO2(g) + 7H2O(g) can be considered combustion reaction? Thank you! Posted by jan on Tuesday, March 31, 2009 at 10:28pm. C6H14(l)->C6H14(g) ->6CO2(g) + 7H2O(g) ->6CO2(g) + 7H2O(...
April 1, 2009 by jan

Physics help
A 90 kg parachutist in free fall has an acceleration of 6.8 m/s^2. What is the frictional force provided by air resistance when she is accelerating at this rate? For this question i got 612N but the text book answer says it is 270N. Pls help!! I'm confused
March 21, 2013 by Ted

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