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February 14, 2016

# Search: science (physics) Need to solve this today please

Number of results: 178,149

Science
Science project ideas for science fair. I need to prepare a model for science fair. But I need some ideas about the major problems facing today's world. So that I can get idea for improvement in any area and to show this in science fair. Please get me know about the ...
October 21, 2014 by Edd

science (physics) Need to solve this today please
(a) Express the vectors A, B, and C in the figure below in terms of unit vectors. (b) Use unit vector notation to find the vectors R = A + B + C and S = C – A – B. (c) What are the magnitude and directions of vectors R and S? Well the picture goes and has a vector A pointing ...
September 29, 2007 by ~christina~

science
i need help with these questions because i need to write a report on it helpp please What are the implications of stem cell reasearch for today and future generations What are stem cells? What are they capable of? How are they used in science/ medicine presently? What ...
September 23, 2007 by chelsea

Physics
Please help!!! Physics test!? I have a physics test tomorrow on projectile motion, and I don't feel ready for it. I'm having trouble in the class and I need to ace this test. The problem is I get confused when I get a problem. I don't know how to proceed. After I read the ...
October 9, 2012 by Mike

algebra
solve by substitution 5x-2y = -5 y - 5x = 3 could someone take a min a show me how to do this problem by steps so i can do the rest of my problems and wait a min so i may ask questions. I m failing my algebra class and desparately need help. 5x-2y = -5 y - 5x = 3 take the ...
August 10, 2006 by Tammy Evert

Math
1)Solve sin2x=3cosx for all values of x. What do I need to do? 2)Solve e(sqrtx)=4 3)Approximate the greatest real root of f(x)=x^3-2x-5 to the nearest tenth. I just need help not do for me. HELP. Please and Thank you. Explain please no links.
September 30, 2008 by Anonymous

English 2
Which hero's story, King Arthur's or Sundiata's, has the more relevant message for young people today? Compose an essay that answers this question, giving at least two examples from the selections and applying them to issues young people face today. I still need help with this...
October 12, 2010 by mysterychicken

English 2
Which hero's story, King Arthur's or Sundiata's, has the more relevant message for young people today? Compose an essay that answers this question, giving at least two examples from the selections and applying them to issues young people face today. Need help with the first ...
October 11, 2010 by mysterychicken

I really need help!
Hi, I really need instructions. Can someone please tell me how to make a coordinate plane and a rectangle on the plane in Microsoft Excel 2013 please? I really I need an answer soon because this is due today!!!! Please someone help fast! Thank You :/
April 24, 2015 by MusicLover14

English-Native speakers
Need help with one sentence structure. I don't know if I am going to be able to explain it good. It goes like this "the measures will have to be much more drastic than if they were conducted today" I need help with this part "than if they were conducted today". I want to say ...
November 28, 2012 by mark

1. Solve for x. 4(x - b) = x b = 4/3x b = 3/4x x = 4/3b x = 3/4b 2. Solve for y, then find the value of y when given x = 2. 6x = 7 - 4y -12 7/4 19/4 24 I need help solving these. Can you please explain how to solve these problems?
October 2, 2013 by Charlotte

U.S.History
i need help answering this question:how is the constituiton "alive" today. i dont know if i understand it correctly does it mean like what features or parts of the Constitution make it flexible enough to apply to the nation's needs today? if that is what it means..can i please...
January 27, 2009 by y912f

English
Which is the best way to write this sentence. Today the Pink Palace Museum has a science center too. 1.Today the Pink Palace Museum is having a science center too. 2.Today the Pink Palace Museum had a science center too. 3.Today the Pink Palace Museum will have a science ...
December 14, 2012 by Hayden

AED
help please I need info for this ? Discuss how one of the events has shaped today's classroom and how that event is still reflected in today's classroom. I chose this one for this question 1981 Distance learning becomes a reality
April 22, 2008 by Dawn

science
i don't know how to solve this. looked through all my note but i'm not sure what kind of formula i am to use or if i even need one! please help me to understand this: "calculate the work need to make room for the products in the combustion of S8(s) to SO2(g) at 1 atm and 0 ...
April 16, 2011 by marie

Algebra
Help please (x^3 + 3x^2 - 2x+7)/(x+1)=11 I don't how how to solve this at all-the answer should be 11 but I don't have a clue how to get it-please show me this one so I can hopefully do my homeowrk-we did this in class today but I don't understand it
March 7, 2012 by Jeremy

science
i need to solve this : 1. we should show the chemical structure of oligosaccharide which contains 2 galactoses and 1 saccharose. 2. compare the difference in physical features og dicarboxylic acids and glucose beta chain 3. determine the calorific value of 5g saccharose please...
March 29, 2011 by nina

[History Homework] Please answer 1. What are 2 pieces of technology essential today? 2. If you could give a prehistoric person one item from today what would it be? 3. Why is writing important for civilizations? 4. Why is theater/drama important to society? 5. What are some ...
September 15, 2011 by Bone

Earth Science
i need help on a question "Describe how Earth would be different today if it contained no radio active material. What would the consequences be for the Earth's interior layers?" please help and thanky you
September 16, 2009 by Anomynous

Earth Science
i need help on a question "Describe how Earth would be different today if it contained no radio active material. What would the consequences be for the Earth's interior layers?" please help and thanky you
September 17, 2009 by Need Help

Math
I need help with these three problems. They are on a Study Guide and I need some refreshing up of how to do them. 17. Solve the equation using the zero product property... -8n(5n+3) 19. Solve the equation by factoring 5z^2-2z-3=0 20. Solve the equation by completing the square...
May 26, 2009 by Amy

math
I need help with these three problems. They are on a Study Guide and I need some refreshing up of how to do them. 17. Solve the equation using the zero product property... -8n(5n+3) 19. Solve the equation by factoring 5z^2-2z-3=0 20. Solve the equation by completing the square...
May 26, 2009 by Amy

Math
I need help with these three problems. They are on a Study Guide and I need some refreshing up of how to do them. 17. Solve the equation using the zero product property... -8n(5n+3) 19. Solve the equation by factoring 5z^2-2z-3=0 20. Solve the equation by completing the square...
May 27, 2009 by Amy

Hi, I need help because I'm really stuck on this math word. Can someone please define what rational coordinates means what? I really need help fast because this project is due today! Thank You :)
April 24, 2015 by MusicLover14

Science 7R (Lab questions)
We did a lab today at science and for homework we have to answer questions about the Lab. I need help on 2. 12. Name two ways that a plant and animal cells differ in structure? 13. How are plant and animal cells different in function? She said that we have t write it in ...
December 1, 2011 by Laruen

English
1. I am on my own today. 2. I am loney today. 3. I am alone today. 4. I am lone today. =================== Are they the same in meaning and grammatical?
April 20, 2015 by rfvv

English- Mrs. Sue
So I have my thesis statement down but now I just need examples about speaking up and why you need to address things in this world today. Can you please help. Thanks soooo much:))
February 8, 2014 by Anonymous

WHY SKIPED MY QUESTION??????????????
PLEASE I NEED TO FINISH BY TODAY
May 26, 2010 by anu

English
i need help finding some propaganda used today i need an example of each of the following propaganda: glittering generalities transfer bandwagon please help and thank you
January 8, 2011 by needhelp!!!

Algebra
Please help! I need to factorise and solve this equation, x^2 +x -30 =0 I then need to explain how I would use the answer drom this to solve the equation 4x^2 +4x-120=0
May 5, 2010 by Mac

math
July 16, 2014 by angela

Math
What is {23%,0.21,1/4,1/5} from least to greatest I need the answer today please thank you
January 4, 2016 by Nick

History
I need help on how people influenced us. I am doing some history homework about the great depression (late 1920's through early 1940's) and I need some future connections like how did Duke Ellington influence us today? Or Walt Disney influence us today...ect. I can't find ...
February 20, 2013 by Sam

Science
My homework today is. Is Pluto really a planet? I always thought it was, can you help me please?
October 10, 2007 by Samirah

I need help because I don't understand how to solve this equation. 37. x/a - 1 = y/b for x So... does it mean solve for x? 39. V = 1/3 * pi * radius^2 * h for h So... does it mean solve for h? As you can see, I am really confused. Please help.
November 4, 2014 by Alexandra

Science
Hello, I just started my chem class today and I am totally stuck on this question: Hurriance Katrina had the 2nd lowest ever recorded barometric pressure at 0.920 mb. Convert this pressure to units of… a. atmospheres. b. Inches of Hg. I know i need to convert but I'm not sure ...
September 2, 2015 by Elizabeth

trig 30
Please help I need to solve the following question for x, where 0<x<2pi. and then write a general solution for the equation. The question is 2cos^2 x + cos x =1. I need to solve this using radian measurement. I solved it using algebra and was told I wasn't allowed. Could...
April 29, 2010 by Rae

Science
NEED HELP PLEASE THANK U U R NICE :) Describe how burning fossil fuels has created an imbalance in the carbon cycle. Most people drive cars and heat their homes with petroleum, coal, or natural gas. Why is it important to find alternatives for these sources of energy? What are...
April 19, 2013 by Cindy

Science-Elements
which of the alchemy symbols is used today with a completely different meaning? what does that symbol mean today? I couldn't find the information for this in my text, I think it's iron, but I'm not sure, your help will be appreciated, thanks
March 29, 2010 by Sara

Science Fair Project
Please help any tutors around, i really need help on what topic to choose, and my science fair is in February 16, 2015!!!!!! I just want to get a really good mark so i get an A in Science again this year in my report card. From a Student in need!!!Wimbika
February 3, 2015 by Wimbika

science physics
i dont get how to solve this please help me Two resistors, 47 Ù and 82 Ù, are connected in series across a 45 V battery. What is the current in the circuit?
January 5, 2012 by jason

Precalc
Can someone please help me? I don't know how to solve for time under 23 units. When I try I think I get the answer for above 23 units and when I try to subtract from the whole period my answer is wrong. The correct answer is 5.1337 hours. Fidel is measuring the light intensity...
August 19, 2011 by Rose

science
December 9, 2009 by iya

science
From the cosmic background radiation, what can scientists infer that the universe was like after the big bang ? a) very small b) hot c) the same average temperature as it is today d) cooler then it is today
November 22, 2013 by victoria

Science Fair Project
Please help anyone!!!!!!!!!!!!!!!!!!!!!!! I need a science project that can be done in 2-5 days but also that can give me a very good mark!!!!!!!!!!!!!!! please reply A.S.A.P.!!!!!!!!!!!!!!!!!! -From a Science Fair Project in need of a project which can be done in 2-5days.B.T....
February 11, 2015 by Wimbika

geometric
I need help on this following problem: The length of a rectangle measures 1 cm less than its width. The perimeter of the rectangle is 106 cm. Find the dimensions of the rectangle. Now i have tried to solve this problem in multiple attempts as can be seen here: 54+53=107, 53+52...
January 26, 2015 by Bob Heffely

Algebra
I need help on this following problem: The length of a rectangle measures 1 cm less than its width. The perimeter of the rectangle is 106 cm. Find the dimensions of the rectangle. Now i have tried to solve this problem in multiple attempts as can be seen here: 54+53=107, 53+52...
January 26, 2015 by Anonymous

poetry
I need help determining the meter in my poem. The Ocean says, "Roar" to wake me up, And I smile as I grab my coffee cup, Because this is the day the Lord has made! I refuse to quiver and be afraid. The sunburst peeks through my window wide, And stay that way till close noon ...
June 30, 2011 by Person

Statistics homework distribution problem?
i need help with how to solve this: consider a normal distribution with mean 30 and standard deviation 2. what is the probability a value selected at random from this distribution is greater than 30? the book gives me the answer but i need to know how to solve it. please help?
February 20, 2012 by jess

algebra 1b
i need help!!!!!!!!!!!! Please post your problem and your attempts to solve it. Then we'll be glad to help you. what's the problem? I have a test on wednesday or thursday and I think I'm gonna pass it! I need help with Simplifying i need help with sketching the graph of the ...
October 1, 2006 by unspoken

Science
Hi I need help finding something. I need 6 primary articles about forensic entomology (the use of insects to solve crimes).
November 30, 2007 by Anonymous

Hello i need some help with this science project please. How long would it take to get to mars if i'm travel 600 miles per hour. Thanks :)
February 5, 2016 by Meah

math
A company will need 55,000 for a new addition. To meet this goal the company deposits money in an account today that pays 5% interest annual compound quarterly. to meet this goal in five years what would the company need to deposit today?
December 18, 2014 by Michelle

Science
good day! can you please give me the wave explanation for colors? i need it for my report tomorrow. i need an immediate answer please!
July 4, 2010 by Kareen

Science (Cont.)
Can anyone please answer my science question???? PLEASE!! if nobody on here is answering, try doing a little research on other websites i need some help on my homework
February 22, 2007 by jk1115

Physics
a car travels 59.78 miles east in 89.67 minutes, then 89.67 miles north in 59.78 minutes, and then 29.89 miles at 59.78 degrees west of south in 149.45 minutes. whats the magnitude of the car's average velocity in miles per hour??? Please help!!!!!! P.S. please don't round ...
September 7, 2009 by Autumn

science
From the cosmic background radiation, what can scientists infer that the universe was like after the big bang? A. Very small B. Hot C. The same average temperature as it is today. D. Cooler than it is today. Is the answer C? Thank you for the help😊
April 9, 2015 by Kanani

science(physics)
the sum of three forces f1=100n, f2=80n, f3=60n acting on a particle is zero. The angle between f1 and f2 is: Please solve
June 9, 2011 by marley

science
how can the chemical energy of your lunch today become the energy you need to deliver the newspapers after school tomorrow?
January 6, 2009 by jayme

Algebra
I have a math CRCT test today and I needed some help on a last minute review problem. Can someone please explain how to solve this? 1. 12x-3+6x-2=31 -MC
April 22, 2009 by mysterychicken

Art
PLEASE HELP! URGENT! I need to find an example of where buddhist art can be found today like an example of it.. a statue, temple, etc. I need one so i can write about it. Thank you soo much!
August 23, 2012 by Chula

planning
In three to five sentences, answer the following questions. 1.Where do I picture myself five years from now? What am I doing? Where am I going? 2.How do the course choices (both elective and required) that I make today lead to the fulfilment of this dream? 1. Five years from ...
August 30, 2010 by Anonymous

science
November 28, 2012 by justin

biology
thank you for anwering my question Ms.Sue i just need you to explain it further on the question earlier.Is a scientific hypothesis accepted if there is no way to demonstrate that th e hypothesis is wrong ? thank you. please i need the explanation today.
September 15, 2009 by rx

algebra
I need help breaking down the steps to solve HELP ME PLEASE solve with an exact answer. x^2 + 2x - 8
January 17, 2012 by becca

science
See i took this practice test and i got a lot wrong i need help its on nature of matter and i need help so my mom can get of my back help me please I'm desperate for help please i beg
January 25, 2010 by Brianna

Algebra 1 a
Need help to solve can anyone help me please 6x-9y = 25.5 7y-2x =-10.0 solve the elimination method
June 26, 2011 by Manu

math
March 12, 2012 by Anonymous

Math
I really, really need help! Solve for the indicated variable. 8x+4y=12 Solve for y. Explanation too, please! Please and thanks!
January 4, 2012 by Izzy.

Geometry :(
this maths problem is wrecking my head.... 1.find the points of interesction of the line L and the circle k in the following L:x-2y=0 K:X Squared + y squared=25 I would solve both equations for y, and then you'll have a system with two equations and two variables: y = x/2 y...
September 9, 2006 by emer

Physics/Science
A startled armadillo leaps upward rising 0.547 m in the first 0.202 s. (a) What is its initial speed as it leaves the ground? _____m/s (b) What is its speed at the height of 0.547 m? _____m/s (c) How much higher does it go? _____m Use distance vs time: d=vi*t - 1/2 g t^2 solve...
January 25, 2007 by TechnoBoi11

Science
Which branches of science do pharmacists need knowledge of to do their job properly? A.physics and chemistry B.biology and chemistry C.chemistry and geology D.physics and computer science Is the answer B?
August 19, 2014 by Gwen

x/3-2/3=1/x *Solve the rational below. I really need help. Multiply through by 3x x^2 -2x = 3 And solve. I don't get it... can you explain it more.then I can help you Margie
March 4, 2007 by Margie

Hi, so I did the coin drop experiment. I finished project, wrote my hypothesis, my data, my observations, and my conclusion. What I need help is that in this experiment I don't know which on is the independent and dependent variable. That's all I need. Can someone please help ...
April 15, 2015 by MusicLover14

Religion
i need to write an essay about if anne frank's life is relevant to teenager's today. Please hele me!!
June 24, 2012 by Ellie

science -need so info.
Ms. Sue, I have to do a paper on mitigation strategies and solutions. Detailed description of the problem. Nonliving and living factors that contribute to or are affected by the problem positive or negative human impacts evaluation of current sustainability Benefits and ...
August 9, 2008 by rose (Ms. sue)

college algebra--I really need help!!
solve the following exponential equation. exact answers only. 1-9x 2x 2 = e I hope that you understand this question. I don't and need some help please. Can you show all answers please.

SCIENCE
I have 2 questions that I need help with please. 1.What are the three parts of the law of conservation of mass/matter? Do not need the definition but the 3 laws please. 2. How are velocity, speed, and acceleration related? I know how they are different only. Thank you

Physics
A basketball player, standing near the basket to grab a rebound, jumps 73.6 cm vertically. How much time does the player spend in the bottom 15.4 cm of the jump? I've been told that I need to use the height of the jump to solve for V. Then I need to use that V in the equation...
October 10, 2007 by Lindsay

physics
A 34 g glass thermometer reads 21.6°C before it is placed in 135 mL of water. When the water and thermometer come to equilibrium, the thermometer reads 38.7°C. What was the original temperature of the water? I need help on this please could someone please help out.Thank you! ...
April 24, 2012 by Akbar

physics
A 34 g glass thermometer reads 21.6°C before it is placed in 135 mL of water. When the water and thermometer come to equilibrium, the thermometer reads 38.7°C. What was the original temperature of the water? I need help on this please could someone please help out.Thank you! ...
April 25, 2012 by Akbar

it is estimated that at the turn of the 20th century, one farmer in the U.S could feed 25 people, whereas today, the ratio is about 1 to 130. How many farmers would it take today to feed 2600 people? Please help i dont even know how to do this problem!
January 9, 2013 by Tina

>science/research<
hi i need a few websites where i can find information that can help me prove that the animals that existed in the past were far more dangerous anddifferent than the animals of today
April 13, 2008 by Markeda

chem
Can someone please help me with the following questions? 1:Suppose you were given an ancient wooden box. If you analyze the box for carbon-14 activity and find that it is 50% of that of a new piece of wood of the same size, how old is the wood in the box? 2:How old is an ...
January 2, 2007 by Margaret

science, chemistry, biotechnology
"You're creating a standard curve for pyruvate. You need to create a standard with 20 micromoles in a cuvette. How much 100 mM pyruvate would you need?" My understanding is to solve for VOLUME using the equation: micromoles = (mM)(volume in ml) 20 micromoles = (100mM)(x) Solve...
October 1, 2014 by Jennifer

What is my grades for the first quarter? I didn't get my report card because my parents didn't go to the parents teacher conference so yeah but today my guides counselor show it to me (my grades for the first quarter) they didn't calculated my average. Here are my grades: ...
November 18, 2011 by Laruen

Computer Science
Help me please! I need help with Floating Point Notation when converting biary and regular numbers! Please. I just need some help and would appreciate it greatly. Also instant message me at TRbal10. Thank you
October 14, 2007 by Tiler

simple interest
What is the amount after 1 year on \$315 invested at 7%, if interest is simple interest? Multiply \$315 by .07 to find the interest earned. Add this figure to \$315 to find the total at the end of one year. this doesnt help me!i need to know this and they gave me is to solve a ...
March 28, 2007 by victoire

General
This is a question to everybody: I was just wondering if anyone had any science related questions or things they wonder about that may require experiments. If you have any ideas please mention them. I need this for a science for a science fair project and have at most a 6 ...
September 6, 2012 by Samantha

chem
1. A single mole of AgNo3 weighs 169.88 grams. In order to make a 1M solution, how many grams of AgNo3 would need to be dissolved in 5oomL? How many moles do you need? moles = M x L. please help today
December 1, 2010 by moon

the big idea of energy KS3
what is the big idea of energy? To A. Einstein, it was that Energy and Mass are equivalent, and that the sum total of both, with a factor called entropy, is constant in the universe. what is the big idea of energy i need help on finding out what the big idea of energy is? ...
October 22, 2006 by blue babe

Science Helpers
My science post is almost at the bottom and I need it to be checked urgently. I see science helpers on this site as of right now.--Can you please have a moment to look at my Science post. Thank you very much in advance:-)
April 6, 2010 by Sara

Algebra
I am so confused with some word problems math is not my strong point here is the problem if you know how to solve it please tell me how to solve but just dont give me the answer Austin has 42 paperback books that are either Mysteries or science fiction. If he has 16 more ...
August 23, 2005 by danielle

English - Classics
I've been writing a personal response on the Great Gatsby and need some specific examples of how my idea "Money does not equal happiness" or "Money corrupts" is relevant to today/today's society
November 6, 2012 by Ebug

Math
January 12, 2011 by Marcie <3s Jeffrey

Physics Drwls
I was wanting help with my physics post and since no one replied I thought there wasn't a physics tutor on Jiskha, but came back on today cause I really need to get a hang of my physics stuff and luckily seen you Drwls. A bike rider approachea a hill with a speed of 8.5m/s. ...
November 22, 2011 by Fizzylicous

World History
I need help finding examples of imperialism in today's world? And then explain why is it an example of imperialism. PLEASE HELP THANKS ALOT Try the following: http://www.google.com/search?hl=en&lr=&as_qdr=all&q=allintitle%3A++%22imperialism+today%22+ Tam, First decide what ...
May 25, 2007 by Tam

Science math
Can no one help me? I posted a question earlier I don't need answer I need to understand what I did wrong my thinking is that if I have a 2:1 ratio And my total is 99 that if I divide by 3 then I can get the amounts 33x2 is 66, then 33x1 is 33 so it would be 66:33. I used this...
October 18, 2012 by Maria

political science- PHL
hello can u help me please? write a few words about Machiavelli, Locke and how they are relevant today? John Locke is another philosopher who is considered as relevant today for some of his ideas he expressed. His writings were a great influence to the founders of United ...
December 1, 2012 by jenny

Math
I need help on how to solve this type of problem please. 29.)Solve the inequality and express the solution in terms of intervals whenever possible. 1/(x-2) ≥ 3/(x+1) THE ANSWER IS: ( -∞,-1 ) U ( 2,(7/2) ]
August 12, 2012 by Alex

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