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July 28, 2014

Search: Physics I NEED HELP!!!

Number of results: 82,377

physics
i need a topic for an eei (extended experimental investigation). i want a simple experiment that i can do. however, i need one that has a lot of physics behind it, and has a lot of information on the net about it. it can be on any topic within physics. if anyone has any great ...
May 19, 2007 by shamstar

physics
i need 1 question each of this following straight ine motion, free falling body, projectile in the dimension and projectile in two dimension... i need it badly.. our prof need a good example of I
March 13, 2011 by matt carlo

physics
i need to investigate nichrome wire and a globe and i need to state which is an ohmic conductor. what will my method be??
August 12, 2012 by gontse

Movies and physics
Hello...I need to find a modern day movie that has at least three or more physics mistakes. I need to prove they are mistakes...as well, is Zeno's Paradox a credited/valid source to use to prove something such as the everlasting gobstopper, from Willy Wonka, is physically ...
December 19, 2007 by Physics!

A physics problem
Hello...I need to find a modern day movie that has at least three or more physics mistakes. I need to prove they are mistakes...as well, is Zeno's Paradox a credited/valid source to use to prove something such as the everlasting gobstopper, from Willy Wonka, is physically ...
December 19, 2007 by Physics!

physics
I need to make a holder for a raw egg out of straws so when it is dropped from 8 feet. it will not break I need design ideas.
October 8, 2009 by Deb

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

Spelling
I need help with finding contractions. I need to find 3 will/shall contractions (I need 9 but I already have I'll, She'll, He'll, They'll You'll, We'll). Then I need 6 is/has contactions (I also need 9 and I have She's, He's, It's). Then I need 11 not contractions (I need 18 ...
January 8, 2009 by Nellie

physics
100g water, need to raise solution of sodiun acetate 20 degrees. how much energy does it require and how much sodium acetate will you need? Enthalpy of crystallisation is -260kJ. How do I work it out?q= Cp n ∆T? Do you use the density of SA any where? it is 1.528g. I ...
April 11, 2011 by Jannis

Need Help...physics
I dont appreciate you posting questions under multiple names. Stop it now. I cant get a grip on what you need if you pretend to be many students. I wont play that game, it is a waste of time.
January 27, 2010 by bobpursley

physics
Most sphygmomanometers use mercury. How tall would the manometer tube need to be if it were filled with water instead? It might need to measure a blood pressure as high as 300 mm Hg.
November 9, 2010 by Jamie

Physics help!
I need to know all of the equations for WORK problems (Physics). I'm not sure where to find them. if someone could help id appreciate it.
December 7, 2008 by Jim

physics
i need three different project topic in physics
April 14, 2012 by Joanna

physics
i need three project topics in physics. Help please
May 12, 2012 by Joanna

physics
what is the answer to the following 2 physics equations: a=(v, little f in right bottom corner -v little 0 in bottom right corner /t. I need it simplified to what t is and T^- 2n into the square root of L/g I need the equation simplified to get g
April 29, 2011 by Kelli Kenyon

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
Hi! I have some questions from a study guide in my physics class, and they give me the answer, but I have to show how to get the answer. I did most of them, but need help with this. All I need is a formula, please. :)Thank you! Here it is: A skier with a mass of 60.0 kg pushes...
March 14, 2013 by Anna

physics
a kid goes down a slide, accelerating at 1 m/s^2 for 3 seconds. if he starts at rest, how long is the slide ? this is the equation i have but i need Xi which i have NO clue what it is .. Xf= Xi+ 0m/s(3s)+1/2 (1m/s^2)(3^2s) solving for Xf ... need Xi
October 19, 2010 by christine

Physics
Hello! I live in Mexico, and I have a couple of questions I asked on Y answers, both English and Spanish, and have gotten no reply, and I need to turn this in for my bimonthly exam in physics this Monday. I need to calculate the volume and surface area of two of the pyramids ...
September 30, 2012 by Gabby

Physics and movies
we are supposed to relate physics to movies, and state mistakes or errors found in the movies based on physics principles. I am trying to do Willy Wonka the 1971 version...I need help trying to prove that Violets becoming a blueberry is impossible and an error due to physics, ...
December 8, 2007 by Please McHelp me!

Biology
I need to do a project on any one cell organelle and i have started on lysosomes. Its a powerpoint presentation and i need to present it tomorrow. In the procedure packet it says that we need to mention this-"a works cited slide" what does it mean??? what do i need to do? ...
October 16, 2008 by Jessica

Physics
I have a problem where I need the force exerted by an object onto a scale. The object weighs 22 lbs. What is the force? Do I need to multiply that by 32.2 ft/s^2? What are the US units for force and what is it in this situation?
February 25, 2011 by Morgan

Physics
Sukey is riding her bicycle when she sees a fallen tree 42 m ahead. If the coefficient of friction is .36 and she is travelling at 50 km/ hr and she and the bike have a mass of 95 kg, how much stopping distance does she need. I got as far as her speed equals 13.9 m/sec. Do we ...
November 19, 2012 by lizgreene52

science- physics helppppp ! i badly need one T___T
how is physics related to food technology and everything related to foods ?
June 5, 2012 by angelique

Physics
I need to make a mousetrap car for my physics class. I have to make it so that it can stop, but I won't know at what distance until the testing day. How should I do it?
September 27, 2010 by Heather

Physics
So... The task is to evaluate the design of three types of car tires, and explain how each type differs to maximize performance. Physics terminology is to be included in our report. -------- I just need a starting point. What types of tires do you recommend I research and what...
February 16, 2008 by Lucy

Physics need work checked
Physics lenses. Please help, my math is wrong and I need second opinion.? Consider three lenses with focal lengths of 25.9 cm, -15.8 cm, and 10.0 cm positioned on the x axis at x1 = 0 m, x2 = 0.412 m, and x3 = 0.514 m, respectively. An object is at d = -121 cm. Find the ...
May 2, 2012 by Physics

physics
An elevator is moving up with an acceleration of 3.36 m/s^2. What would be the apparent weight of a 64.2 kg man in the elevator? A)215.71 N B)413.45 N C)844.87 D)Need more information ok I got 847.44 but as you can see thats not an answer choice so my guess is D, need more ...
April 1, 2008 by Jon

physics
An elevator is moving up with an acceleration of 3.36 m/s^2. What would be the apparent weight of a 64.2 kg man in the elevator? A)215.71 N B)413.45 N C)844.87 D)Need more information ok I got 847.44 but as you can see thats not an answer choice so my guess is D, need more ...
April 1, 2008 by Jon

physics
a physics book has a height of 26cm, a width of 23cm, and a thickness of 3.9cm. what is the density of the physics book if it weighs 17N? the acceleration of gravity is 9.81m/s^2. answer in units of kg/m^3 i know density=mass/volume but it says to answer in units of kg/m^3... ...
January 19, 2009 by Claudia

Literature
i need help thinking of Criterion for my evaluative essay..i'm writing on a piece of literature..i need to write what criteria i'm going to use to evaluate the work.. i really need help with this..i need to come up with atleast 4 criterions and i'm stuck please give me some ...
February 16, 2009 by Bella

College Physics
Calculate the rotational inertia of a meter stick, with mass 0.58 kg, about an axis perpendicular to the stick and located at the 43 cm mark. (Treat the stick as a thin rod.) I know I = (1/12)(M)(L^2) and then I need to use the parallel-axis theorem so I need to add Mh^2 but ...
December 1, 2009 by Ryan

PHYSICS
There is a mass at the end of a 0.6 m string, being swung around overhead at constant acceleration of(3/4)pi rad/sec^2. mass is 39.84 G. Tensile strength is 12.4 newtons need to find how many revolutions there will be before the string breaks, and the time before that happens...
February 28, 2013 by Jan

PHYSICS
There is a mass at the end of a 0.6 m string, being swung around overhead at constant acceleration of(3/4)pi rad/sec^2. mass is 39.84 G. Tensile strength is 12.4 newtons need to find how many revolutions there will be before the string breaks, and the time before that happens...
March 3, 2013 by Jan

Physics question - Damon please help!!
I am doing the monkey and hunter question, and I need to find out what the minimum speed the bullet has to be.. The variables I have are g, Vo, theta, Dx(horizontal distance from monkey), and Dy (vertical distance from monkey). I need to derive Vo in the form of (Dx/cos0)(sqrt...
November 11, 2013 by Jennifer

Deciding on a H.S. Science Course
I'm currently a sophomore, and I need to plan a science course for next year. Do you know if colleges require physics? Would a college prefer to see physics on my transcript in oppose to Environmental Sciences or Astronomy? Thanks!!
February 16, 2009 by Coralie

Socials (URGENT)
Why did the canadian government feel the need to control the economy, transportation and trade after war was declared in 1914? Was this a genuine need? Explain. Hi, I need some help on the second half of the question. Was it a genuine need? I can't find the answer anywhere. ...
October 17, 2011 by John

Physics
Assume the Earth is a perfect sphere of radius 6,400 kilometers. Find the weight of a 75.0 kg person at the North pole. Find the weight of this same person at the equator. (You don't need to use Newton's Law of Gravitation but you do need to analyze the radial/centripetal force.)
July 26, 2012 by Zac

PHYSICS HELP !
when telling someone how to get to your house from campus, you need to a) give your direction of travel b) give your distance they need to travel c)give both directions and distance d) not enough information
April 12, 2012 by AMBER

physics HELP !
when telling someone how to get to your house from campus, you need to a) give your direction of travel b) give your distance they need to travel c)give both directions and distance d) not enough information
April 12, 2012 by AMBER !

physics
HOW DO I DO THIS PLZ HELP I DONT NEED U TO SOLVE I JUST NEED TO KNOW HOW Salmon often jump waterfalls to reach their breeding grounds. Starting 2.65 m from a waterfall 0.584 m in height, at what minimum speed must a salmon jumping at an angle of 25.2 ◦ leave the water to...
October 28, 2013 by jonathan

PROBLEM SOLVING IN MATHEMATICS
The Andersons are buying a new home. They need to fence the yard because they have a dog. The yard is 72 ft. by 120 ft. Each fencing section is 8 ft. How many sections will they need? How many posts will they need? (a post is needed at the end of each section). What else will ...
October 22, 2011 by alya

religions
i need to make a model of any famous mosque in the world first, i need help finding pictures of different mosques to see which one would be easy to work with (i need a nice picture, maybe 3D, so i can copy it and build my model according to it) second, i need ideas on how i ...
May 12, 2009 by y912f

algebra
I need help!!! 3/2,1/2, 1/6,1/8,... I need to determine if this sequence is arithmetic, geometric, or neither, then I need to find the ninth term
April 19, 2009 by jeffrey

algebra
I need help!!! 3/2,1/2, 1/6,1/8,... I need to determine if this sequence is arithmetic, geometric, or neither, then I need to find the ninth term
April 19, 2009 by jeffrey

college
I NEED A GUIDELINE ON HOW TO SET UP THIS COMPILE INVENTORY FOR POPULAR CULTURE THAT I COME IN CONTACT WITH I NEED TO DESCRIBE THE IMPACT THAT THESE ARTIFACT HAVE ON MY PERSONAL DESCISION MAKING I NEED TO IDENTIFY THE PATTERNS OR SIMILARITIES IN MY INVENTORY ALSO NEED TO ...
January 18, 2010 by KATRINA

Physics-Please check
I posted this question this morning but I'm not sure of the response Damon provided. If you were in a rotor style ride and the riders accelerate until the speed of ride is reached- if the radius of the cylinder is 5.0m and the coefficient of friction between clothes and wall ...
December 7, 2010 by Joey

Not understaning what I need to do
I am writing a paper of the Society of The India people and one of the questions I need to answer is A clear differentiation between race and ethnicity in India? I am not sure I understand what I need to write Can any one give a better understanding what I need or example
December 17, 2007 by RAY

Physics
A bungee jumper of mass 60 kg jumps from a bridge tied to an elastic rope which becomes taut after he falls 10 m. Consider the jumper when he has fallen another 10 m and is travelling at 15 m/s. Work out how much energy is stored in the rope. Take g=10 m/s^2 and ignore air ...
December 17, 2010 by anon

physics/calculus
I need help in calculating work. following quantites are given. * G: 6.67E-11 *Mass of earth:5.98E24 *mass of satelightt:80kg *x(initial) center of the earth-7E6 m *x(final) center of the earth 12E6 m How do I make integral equation I need use 20 interval.
April 7, 2014 by jenny

Physics
I don't necessarily need an answer here... just a step in the right direction. If you drive into a wall at 5 m/sec, rebound at 1 m/sec, and make contact with the wall for .15 sec, with what force did the wall exert on the car? (mass = 220 kg) I can't really put my finger on it...
May 27, 2008 by Mark

Math/Algebra
I need help in finding the roots of the polynomial 5x2-x.... What is the degree of -5a2b + 4a2 - 2b +5... I need to kown what the product of x+5 and 3x-2.... I need the solutions to these problems...thank You
May 26, 2009 by Fish Boy

Physics
Speedy Sue during is driving at 30.0m/s and enters a 1 lane tunnel. She then observes a slow moving van 155m ahead traveling at 5.0m/s. She applies the brakes but can only accelerate at -2.0m/s^2 b/c road is wet. a) will there be a collision? How do you know? b) If there is a ...
September 24, 2007 by ~christina~

Physics
I need to solve this equation. 3E -9 N / 1.25 E -19 C I do not know what to do with the -9 and -19.
February 10, 2010 by Abby

english
I need help with some literature homework. I need a to identify a baptism scene thats modern. And also how they were affected by the change. Also, need a piece of literature that has reflects or alludes to Shapespeare. Also need an example of when weather has been important ...
July 30, 2009 by Ty

physics
i need to build a roller coaster, we can't use tubing to carry the ball so any ideas on what to use for the track? i was thinking no. 6 copper wire? i need to have 2 hills and a loop. how does this sound? 28" drop into a teardrop loop 12" high and back up hill #2 which will be...
May 13, 2011 by george

history
hi... i need to know what the name of the native people of ecuador are called...and i also need a brief summary about them.. i need websites..and some information that u might know.. please help (urgent)...
February 20, 2008 by gabby

physics
I also need help with 9.67nm=???km and 2.3X10 to the -4g=????ng
November 12, 2007 by nora

Physics
I need help solving for q. Here is the formula. F=(k*q*2q)/r^2
December 7, 2010 by Bob

Physics
I am having some trouble with some questions and need some help. A neutron with a mass of 1.68 x10(-27) exponent kg moves from a nuclear reactor with a velocity of 3.22 x10 (3) exponent m/s. What is the Broglie wavelength? Also, I need to write tge complete electron ...
December 4, 2009 by Doly V

Physics
if it takes 726 watts of power to move a mass 36 meters in 14 seeconds, what is the mass? i really need like, step by step help please? asap. thanks, michelle . physics - bobpursley, Saturday, November 20, 2010 at 4:06pm power= work/time= mass*g*distance/time mass= power*time/...
November 20, 2010 by michelle quendarsv

Physics - please, I really need help
a car attempts to stop and slides 25.5m while accelerating at -4m/s^2. The car's initial velocity was 20m/s. Find the time the slide took. Note that the final velocity is not known and that you need a quadratic solution. I know the quadratic formula, but I'm not sure how to ...
February 3, 2009 by Sam

physics
A jumbo jet taxiing down the runway receives word that it must return to the gate to pick up an important passenger who was late to his connecting flight. The jet is traveling at 45.0 m/s when the pilot resieves the messae. What is the acceleration of the plane if it takes the...
September 10, 2007 by confusedd!

Physics
I need a complete list all the doppler effect equations for a beginner physics class. Here is a sample questions so you know the level Question: Two trains on separate tracks move toward one another. Train #1 has a speed of 130 km/hr and train #2 a speed of 90km/hr. Train 2 ...
July 7, 2011 by Tina

Math/Physics
I am given a damping constant of 20 dyne*sec/meter...do I need to convert this if the rest of my givens are, for mass = 2kg, k (spring constant) = 82 N/m. I am trying to find the equation of motion of a spring but cannot solve it until I know how to convert/if I need to ...
July 13, 2007 by COFFEE

Physics
I just need to clarify something in my mind- I look at a graph and the position changes from 3 to 8 over a ten second interval, to find total displacement, I just take 8-3 would equal 5 for total displacement, correct? I don't need to bother with the time interval, correct? ...
September 6, 2010 by Joel

English/Social Studies
I'm writing an essay and need help coming up with economic reasons to to be against Caps on Punitive Damages. Google is not turning up what I need. I need how will implementing this program be bad economically?
March 26, 2014 by S

physics
hi I need on the formula for average speed or rate thanks
June 26, 2010 by Jen

physics
why would you need to divide mass by gravity?
January 23, 2011 by Esora

PHYSICS
Why is there a need foe a scientist to know the limitations of Science?
December 4, 2013 by ASAP

Physics
The question is: A small block of ice at 0oC is subjected to 10 g of 100oC steam and melts completely. Show that the mass of the block of ice can be no more than 80 g. There were no equations in my chapter to use for this question except Q ~ change in T. I can't figure out how...
September 23, 2009 by Mary

movie physics
I need to come up with a movie that defies the laws of physics, at least three different times, and has a good way/enough information to prove that they are wrong. Can anyone think of a good movie? Armageddon, Star Wars, is taken.
December 16, 2007 by Loves physics

Movie physics
I need to come up with a movie that defies the laws of physics, at least three different times, and has a good way/enough information to prove that they are wrong. Can anyone think of a good movie? Armageddon, Star Wars, is taken.
December 16, 2007 by Loves physics--REPOST

Physics
A projectile of mass 1.350 kg is shot straight up with an initial speed of 22.0 m/s. (a) How high would it go if there were no air friction? (b) If the projectile rises to a maximum height of only 17.8 m, determine the magnitude of the average force due to air resistance. I ...
February 11, 2012 by Sejul

algebra 2
A. I need to write an equation to the linear equation..(-2,-2), (3,3). B. I need to graph the function of y=|x| on a coordinate plane. C. I need to give one similarity and one differnce for the equations and graphs in parts A and B. I really need your help on this i dont ...
January 17, 2008 by logan

Physics
I have to find the eccentricity of an elliptical orbit with one focus, earth's center, E. I know the formula to find eccentricity is sqrt(1-)(b^2/a^2), but I don't know where to use the radius or if I need it. Do I just need to use the eccentricity formula to find it? 0<E&...
April 22, 2008 by Thomas

Physics 102
THIS IS A QUESTION IN MY PHYSICS BOOK & I REALLY REALLY NEED HELP. I AM 48YRS OF AGE JUST DECIDED TO GO BACK TO SCHOOL AND HONESTLY KNOW NOTHING ABOUT PHYSICS. Two facts: A freely falling object at Earth’s surface drops vertically 5 m in 1 s. Earth’s curvature “drops” 5 m for...
September 25, 2013 by Miss Angie

Physics
A hunter aims directly at a target (on the same level) 125m away. If the bullet leaves the gun at a speed of 227 m/s, by how much will it miss the target? I'm not sure how to approach this problem. I know I need to find the horizontal distance traveled, probably by finding the...
June 3, 2010 by Jeff

7th grade
i need help in social studies my finals are tomorrow and i need to know some answers such as how are native americans able to live successfully in any culture groups I NEED MY ANSWER ASAP PLEASEEEE
June 13, 2010 by Anonymous

Math
Hey I need some help in 6th grade geometry. I need to find some random facts about the Metric system and the Coustomary system so that I can create a double bouble map on them. Not only did I need facts on them sepratley I also need facts on what they have in common.
February 28, 2011 by friend

Physics
I need help with this physics problem: A child slides down a playground slide; the coefficient of kinetic friction is uk=0.25, and angle that the slide makes with the horizontal is 28.0 degree. She begins from rest and slides through a vertical height of 3.5 m. With what speed...
February 25, 2009 by Amy

PHYSICS-Help required
My physics questions are not on graphs, this is just a practise quiz I'm doing. All the questions I've done so far were not guessed answers, I did my work on a seperate piece of paper, all I really had to do was divide. The other questions above that I need help on, cause I ...
July 21, 2010 by Anonymous

Physics
A rock is thrown off a bridge at an angle of 38degree above horizontal, and landed in the water 3.60 seconds later 60.0 meters from the point at the waters level directly below the thrower... What is the rock's horizontal velocity? I need better clarity on physics, please?
March 5, 2014 by Victoria

physics
i need a mathematical relationship between density and height
June 9, 2011 by ben

physics plz help
I need help in calculating work. following quantites are given. * G: 6.67E-11 *Mass of earth:5.98E24 *mass of satelightt:80kg *x(initial) center of the earth-7E6 m *x(final) center of the earth 12E6 m How do I make integral equation I need use 20 interval or calculate in excel...
April 7, 2014 by jenny

physics
Your projectile launching system is partially jammed. It can only launch objects with an initial vertical velocity of 42.0 m/s, though the horizontal component of the velocity can vary. You need your projectile to land 214 m from its launch point. What horizontal velocity do ...
October 22, 2012 by Lopez

AP physics
A 2.10x10^3 kg car starts from rest at the top of a 5.8 m long driveway that is sloped at 25° with the horizontal. If an average friction force of 4.0X10^3 N impedes the motion, find the speed of the car at the bottom of the driveway. im using the equation -(frictional force)=...
November 10, 2010 by RNH

Ancient History - Egypt
I need a few good resources for this question that I need to write a 1000 word essay on 'To what extent did Ramses the Great deserve his title?' I need atleast 2 book resrouces and 1 electronic.
March 24, 2008 by Tony Poon

PHYSICS
Hi! I have some questions from a study guide in my physics class, and they give me the answer, but I have to show how to get the answer. I did most of them, but need help with these. Here is problem #3: A 30 kg kid on rollerskates is being pushed by his mom with a force of 10 ...
March 7, 2013 by Anna

reading...please help
i need to know who the antagonist is in the story money hungry and i need to know what the conflict in the ook is please help me....i really need help i gotta know this by tomorrow!
September 30, 2007 by amanda

tips
i am going to take tcap tis week and i need some tips to do my best. i need as answers as as possible because i need all the help i can get. thank your for your help
April 18, 2010 by kevan

algebra
Uhhhh... well i need help with this algebra but i kinda need it explained as well...meaning if you can help please explain what you did because i have no idea how to do this kind of problem r+3 ---- = 1 12 i need to know what r is 12
August 20, 2012 by EmilyMay

spanish
I need help.. i need to make 4 sentences.. With... (Miro) (Miramos) El, la, al, a la empleado video carpeta profesora I dont care how u make them i just need help..
December 2, 2008 by dan

English
I need the last two lines for a sonnet. They need to have 10 syllables each. and they need to rhyme with each other. And have to relate to being yourelf. Any ideas?
April 12, 2010 by Kelsie

Career Urgent
Why do you need to take a business course to become web designer/developer? I know it's a skill but what does it do? I answer why do web designer/developer need math and computer-related courses and now I need why do you need business. please help and thank you
May 11, 2009 by T.M.L

Religion
I`m not catholic so I need some help. I need a quick catholic prayer. A well known one thats kinda short, I need to include it in my essay. If you could help me out that would be great.
December 18, 2007 by Meena

Physics
A dragster and a driver together have mass of 942.2 kg. the dragster starting from rest attains a speed of 25.5m/s in 0.56 s. 1. find the average acceleration of the dragster during this time interval? I really need the formula 2. What horizontal force does the seat exert on ...
October 20, 2011 by Ama

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

Physics
I believe I've done this right A penguin sildes 1.5 m/s across the ice on her belly. The coefficient of kinetic friction is .02 How far will she slide before stopping? I do not need to see the work to this problem just need to know if I did it right. I got about 5.7 m I am ...
January 5, 2010 by Kate

us history
Hi i need help explaining how one of the main reasons behind early united states imperialism is spreading democracy. I need a lot of information so I need a lot of help.
January 13, 2009 by bill

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