Number of results: 96,615
PHYSICS 1 ..lab helllpppppppp
He did.
Monday, January 28, 2013 at 7:56am by Damon
PHYSICS 1 ..lab helllpppppppp
please answer number 1 and 4
Monday, January 28, 2013 at 7:56am by JORHO
PHYSICS 1 ..lab helllpppppppp
please graph this force1 is 11cm at 10 degree force to is 11cm at 90 degree. use graphical method
Monday, December 10, 2012 at 11:09am by JORHO
PHYSICS 1 ..'''''''''''''''''''''''' helllpppppppp
THANK U
Tuesday, February 26, 2013 at 2:00am by Rrjey
PHYSICS 1 ..'''''''''''''''''''''''' helllpppppppp
i don't know
Wednesday, January 9, 2013 at 11:25pm by loy
PHYSICS 1 ..'''''''''''''''''''''''' helllpppppppp
You have forgotten to ask a question
Wednesday, January 9, 2013 at 11:25pm by drwls
PHYSICS 1 ..lab helllpppppppp
velocity on the wheel is tangential to the wheel. Things flying off, in accordance with Newton's first law, go in a straight line 2. http://en.wikipedia.org/wiki/Rail_speed_limits_in_the_United_States 3. what is m*v^2/r 4. compare tension in the string with Gravitational ...
Monday, January 28, 2013 at 7:56am by bobpursley
PHYSICS 1 ..lab helllpppppppp
1.described the motion of mud that flies off from a rapidly spinning wheel. 2.explain why the outer rail is higher than the inner rail of curve in a railroad track. 3. a 5kg mass is moving in a circle of a radius 3m at a speed of 30 m/sec.determine the required centripetal ...
Monday, January 28, 2013 at 7:56am by JORHO
physics
A proper lifetime of a certain particle is 100.0ns. a) How long does it live in the lab frame if it moves at V=0.960c? b) How far does it travel in the lab during that time? c) What is the distance travelled in the lab frame according to an observer moving with this particle.
Thursday, March 10, 2011 at 4:54pm by libby
physics
A proper lifetime of a certain particle is 100.0ns. a) How long does it live in the lab frame if it moves at V=0.960c? b) How far does it travel in the lab during that time? c) What is the distance travelled in the lab frame according to an observer moving with this particle.
Thursday, March 10, 2011 at 4:54pm by libby
physics
I did a lab on the potential difference and how it relates to the number of batteries connected. What would be a good title for my lab?
Tuesday, April 15, 2008 at 5:57pm by Tom
Physics
I just did a lab on potential difference/voltage, resistance, and current. What would be good title for my lab? Thank You.
Tuesday, April 8, 2008 at 8:38pm by Tom
Physics
Hello, I am doing a physics experiment regarding rotational motion and equilibrium. We have the following lab setup and are supposed to find the unknown mass. How should I approach this? file:///C:/Users/Rahul/Desktop/Lab%20Drawing.jpg
Wednesday, February 9, 2011 at 6:18pm by Rahul
Chem Lab Help
I wanted to know if any one has done the Determination of ASA Content of Tablets Lab Report. I need help doing the post lab questions
Tuesday, December 4, 2012 at 2:21am by Latica
Microbiology
How can lab practices and safety precautions help reduce hazards in a lab setting? How do you handle blood cultures and pathogenic strains in a lab to minimize contamination?
Friday, May 3, 2013 at 12:06pm by Sara
Biology
I really need help with my science lab. I was sick when we did the lab on Thursday and Friday was a snowday so I did not get to get the observations off my peers. My teacher has allowed people one more day and I do not understand this Lab at all. If someone could help me write...
Monday, March 5, 2007 at 6:47pm by Scott
Lab in general
I just read my syllabus for lab and I am kind of shocked at what it says. I do know that I have to write out procedures of the lab in my nbk before coming to lab but I just read that it says "You will NOT be allowed to refer to you textbook/handout during the lab period&...
Monday, September 3, 2007 at 1:31pm by ~christina~
Physics
In the frame of reference of the slower particle (as seen in the lab) the speed of the other particle is +0.920c. To get the lab speed of the faster particle, you have to do a transformation back to lab coordinates, with a relative velocity of 0.580c Th relativistic formula ...
Sunday, April 13, 2008 at 12:42pm by drwls
physics
for intro in a lab report do u have to write the relevance to the world? ( if yes where would it go , after purpose?)and what would be a good hypothesis in a lab for acceleration due to gravity?
Sunday, October 11, 2009 at 7:53pm by just wondering
Physics Lab
If Fc is the centripetal force, it is equal to mV^2/R, NOT mg. The Fc vs Vt^2 graph should be a straight line. I don't know enough about your lab experiment to help more than that.
Thursday, December 18, 2008 at 11:48pm by drwls
Physics Lab
I'm doing a lab on centripetal force but I'm not sure how to make the graphs. If you search for "centripetal force lab" on Google and click "I'm Feeling Lucky" it will take you to the exact lab I'm doing. I'm supposed to graph Fc vs. Vt...
Thursday, December 18, 2008 at 11:48pm by Bob
Chemistry Titration Lab HELP!
Go to google and type in titrations lab. The 6th result "Performing Titration Lab" has lots of information and even a virtual titration tool that you can use to get the hang of it!
Wednesday, June 11, 2008 at 2:11pm by BADAMS
Chemistry-Lab-
You need a standard to see how good the chemistry and/or your lab techniques are. If you don't come up with the right answer then either the procedure is not very good or your lab technique is lousy.
Saturday, October 1, 2011 at 1:29pm by DrBob222
AP BIOLOGY LAB
I am doing an ap biology lab on plant photosynthesis. It's specifically lab # 4 on plant pigments and photosynthesis and it's on question # 8 on Exercise 4B: Photosynthesis/ The Light Reaction. Identify the function of each of the cuvettes. I already have gone to the ...
Sunday, November 2, 2008 at 7:12pm by Roger
PHYSICS 1 ..'''''''''''''''''''''''' helllpppppppp
The “Vomit Comet.” In Zero-gravity astronaut training equipment testing, NASA flies a KC135A aircraft along a parabolic flight path. As shown in Figure P4.47, the air-craf climbs from 24000ft to 31000ft,where it enters a parabolic path with a ...
Wednesday, January 9, 2013 at 11:25pm by JORHO
SCI LAB
I'm not really sure what that is, but basically in our lab we just had like yeast, water, and baking soda. Then some of the test tubes we covered with a thin plastic film. It was stretchy and i'm trying to write my lab report so i'm trying to get the right word...
Sunday, March 9, 2008 at 10:03pm by Quick question
Biology Lab gr 12
hi, i did this lab, from this website and I was wondering if anyone could come up with 3 sources of error, and they can't be human error. Thanks! You are saving me! Seeing as I am not allowed to post to the website :(, search on google liver lab with sand, and it is with a...
Tuesday, February 26, 2008 at 6:30pm by INSANELY URGENT
Physics
Kelly, Don't worry, I didn't forget about you. I will get back to you, hoping you would be reading up on simple harmonic motion in the mean time. It is a lab, and you will have to write it up. The better you understand the subject matter, the faster you will be able to...
Monday, June 1, 2009 at 5:08pm by MathMate
Chemistry
Why wouldn't you do this reaction directly in a lab (and would rather use Hess' Law to determine the enthalpy of formation)?: 1/2N2(g) + 2H2(g)+ 1/2Cl2(g) -> NH4Cl(s) I don't think the reactants are that dangerous...? It's still pretty safe to do in a ...
Monday, February 18, 2013 at 7:48pm by a Canadian
Lab
The equations and numbers may be exact; however, the answers obtained may not be the exact answer to the problem. So there will be an absolute and a relative error associated with the lab answer. I don't know what kind of virtual lab you performed; however, one such ...
Tuesday, June 21, 2011 at 2:21pm by DrBob222
Chem
Doing it in the lab IS one way of solving some of these problems and lab work is quite important; however, one must ALSO know how to calculate the answers. A good chemist must know how to do both; that is, must be good in the lab as well as in theory. In this case, the problem...
Monday, October 29, 2007 at 4:00am by DrBob222
Biology Lab
What tense do you use when writing a discussion in a formal lab?
Friday, October 30, 2009 at 6:53pm by Moi
phsyics
hi, has anyone done the lab on 1.2 lab : constant velocity? it's about ticker tape. thanks
Wednesday, March 11, 2009 at 6:26pm by ashley
College Physics
Yeah this is from a physics lab. It was for a "Energy Works" lab where we trying to proof conservation of energy. Total energy = KE + Ug. We had a 2.2m long Dynamics Track with Dynamics cart. We used a "riser block" which was a wooden block to raise the ...
Saturday, October 25, 2008 at 4:28am by Robert
science
Has anyone written up a Lab for the Sponge Capsule lab? I am trying to do a graph
Sunday, September 9, 2012 at 7:39pm by Gen
Organic Chemistry
You haven't supplied any details of what you did in the lab. We don't know where you are, much less what you did in the lab.
Monday, March 15, 2010 at 11:56pm by DrBob222
Physics Help, Please
are you doing physics lab for physics 131 at umass by any chance
Monday, November 12, 2012 at 4:42pm by jf
physics
I did a lab experiment where we verify Newtons second law experimentally. A glider moves along a frictionless air track and is attached to a hanging mass. We vary the hanging masses and calculate the force since we have the mass and acceleration. We have some questions to ...
Monday, October 11, 2010 at 4:34pm by physics lab help
Lab
When doing a virtual lab everything is exact, but why would they still ask for absolute and relative errors?
Tuesday, June 21, 2011 at 2:21pm by Diana
bio lab
This is a lab question that should have experimental data to go along with it.
Thursday, March 13, 2008 at 12:01am by Ast
11th grade CHEMISTRY TITRATION LAB!
can someone just come to my house and do my lab for me????
Sunday, December 14, 2008 at 8:56pm by none
Sources of error for lab
It is hard for us to know how the lab was accomplished. Was the ramp straight, or bowed?
Saturday, September 15, 2007 at 7:39pm by bobpursley
chemistry
Is this a dry lab? If you did this in the lab you should know what you happened.
Monday, December 10, 2012 at 10:33am by DrBob222
chem lab (webwork)
D is correct - based on the first paragraph of the lab instructions for week 2.
Saturday, April 3, 2010 at 12:02am by UCI student 2
science(chem)
Oh...okay but the lab question was actually a fill in sheet for the actual lab when I do it. Thanks Dr.Bob =)
Monday, September 3, 2007 at 12:11am by ~christina~
chemistry
I did a lab on pressure and depth today. This lab was to simply submerge a plastic tube into a large graduated cynlinder to find the relationship between the two. I found that as the depth increases, so does the pressure. One of the questions I'm stuck on for part of my ...
Monday, January 11, 2010 at 7:21pm by CL
Chemistry
If you have the same lab as me read the introduction part of the lab... it has the answers for #1 and #2.... still stuck on #3 though
Sunday, November 28, 2010 at 11:34pm by Crzycoll
Science (Lab)
The first sentence i made a mistake i mean So I have to DO this lab for sci sorry about that
Saturday, October 8, 2011 at 2:27pm by Laruen
LAB!!!!!
I had to do the same exact lab...
Monday, June 19, 2006 at 4:17pm by asagga
physics
What equation should I used for a water bottle rocket lab? I am using distance vs volume of water. Of course, the volume of water is my independent variable. What equation should I use for this lab?
Tuesday, August 31, 2010 at 6:20am by Julia
Honors Chemistry
We did a lab in class on Friday where we stuck a metal loop in various chemicals and stuck it in the flame of a Bunsen burner and we observed the flame's colors as the different metals went in. For every lab we do, we have to write a writeup which involves a graph. How ...
Sunday, September 20, 2009 at 11:36pm by Emily
Chemistry 2 Lab
Nevermind. I got it. It would help if I looked at the concentration data that my lab book gives me complete the problem:)
Tuesday, March 19, 2013 at 6:50pm by Robby
Chemistry Lab
Some of this I'm sure you know how to do? If you want to show the experiment perhaps we can help you through it but no one here will write your lab report for you.
Sunday, October 28, 2012 at 9:35pm by DrBob222
Lab
I did a virtual lab on acceleration on gravity on earth. That number is 9.81 m/s ^2. I don't understand the error that could have came out of this
Tuesday, June 21, 2011 at 2:21pm by Diana
Physics Lab
those would work....friction between the dynamics cart and the wooden board its beind dropped at. How would this affect the lab though..would it make the dynamics cart not move as fast or drop as quickly? And how could that be avoided (doesnt have to be real, just something ...
Friday, September 14, 2007 at 6:47pm by Meredith
Physics Lab
(a) For the rotating mass in the lab setup by what ratio will the velocity change if the period is quadrupled? (b) For the rotating mass in the lab setup by what ratio will the velocity change if the period is decreased by a factor of four? (d) For the rotating mass in the lab...
Wednesday, November 2, 2011 at 1:41pm by Sarah
Lab for physics
The lab involved two masses: one on the end of the rotating end of string (Me) and one (Mg)on the end hanging thru the glass. What holds it in equilibrium? Well centripetal force is the force on the rotating part of the string, and what is supplying it is gravity, so me v^2/r...
Sunday, September 30, 2007 at 11:40am by bobpursley
Lab for physics
None of the groups measured it? Ask your teacher about it...I sense there is a great lack of prelab understanding of this classical lab. The idea is to let centripetal force be balanced by a weight, thence to use that concept. http://www.batesville.k12.in.us/physics/PhyNet/...
Sunday, September 30, 2007 at 11:40am by bobpursley
hcs 577
Evidentally you haven't been involved in the health care system. You go to a doctor, Dr. A. Before you see Dr. A, a medical records clerk scans your insurance card and completes the necessary paper work. Dr. A examines you. Dr. A's nurse draws blood and sends it Lab X ...
Monday, September 13, 2010 at 8:01pm by Ms. Sue
Chemistry Titration Lab HELP!
i have a titration lab with sodium hydroxide with an unknown vinegar all i know is we have 0.3 M sodium hydroxide solution (250 mL)and a 50ml burette that when titration was done the avg. of 3 trials was 27.7 mL im not sure what id write for the hypothesis of this lab or what ...
Wednesday, June 11, 2008 at 2:11pm by student
algebra
My science class is pretty small. There are just 18 students in the class. My teacher, Mr. Burnett, has an unusual system for picking lab partners. He has given each student a number from 1 to 18, and on lab days, he pulls two numbers out of a bag to match people up. During ...
Tuesday, November 1, 2011 at 12:22pm by Linda
FACS - Reading Assignment (Q2) Check
3. Explain - Why are foods-lab tasks moved from one person to another? Answer - The reason why are foods-lab tasks moved from one person to another is because when team members work together to complete tasks in the school foods lab, the whole group benefits. am i correct?????
Sunday, April 22, 2012 at 4:32pm by Laruen
Conductivity
hey UCI! a. HCl b. HNO3 c. NaOh d. K2CO3, also in the lab we did. it all depends on the cation (k, li, and na) which one has the highest mass e. AlCl3 (that was in the lab we did.)
Wednesday, January 12, 2011 at 9:47pm by anonymous
Chemistry: Bunsen Burner Lab
Hi! I have recently completed a bunsen burner lab and need help with a few conclusion questions: 1) What kind(s) of energy is released by the reaction of fuel and air in this system? 2) Which part of the Bunsen flame is hottest? How do you know? ->I researched it and ...
Monday, February 6, 2012 at 9:48pm by Cicilia
chemistry; Lab questions help=)
Perhaps another tutor will know the details of the lab but I don't. If you care to post a summary of the procedure perhaps I can help.
Thursday, November 12, 2009 at 5:13pm by DrBob222
Psyics Lab ASAP
I have a lab where for accuracy I got -.32% and for precision I got 100.6%? What does that mean?
Tuesday, August 28, 2007 at 8:22pm by Jules
chemistry
2 litres of acetronitrile is accidently spilt in a school lab of dimensions 40x20x10m and most evaporates calculate the ambient concentration of acetonitrile reach assuming that there are no air changes in the lab
Sunday, April 4, 2010 at 11:44pm by Heather
Physics
I do not understand...this is part of my lab questions for a force table lab, and we have not done Sum of Vectors in class at all... Why would you use 2.5hr in the multiplications? Would you not use the 1000km/2.5hr for the speed in some way? Also...I don't understand what...
Wednesday, October 26, 2011 at 10:34am by Eliyahna
Chemistry
I always have trouble with making an hypothesis for a lab. I was wondering if someone can help me come up with a hypothesis for a formation of salt lab. Thanks!
Saturday, November 13, 2010 at 4:25pm by Jennifer
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 ...
Thursday, December 1, 2011 at 5:26pm by Laruen
AP Chemistry
This is an Advance placement chemistry class. We were told to fine the materials needed to do this lab, and the procedure. i need this info so i can physically do the lab.
Tuesday, March 22, 2011 at 9:48pm by meghan
chemistry
sorry this question is out of a lab and i didnt think that nobody would understand the change in temperature since they havent done the lab but that does answer my question.
Thursday, February 4, 2010 at 8:31pm by lelia
SCI LAB
In my science lab we tested anaerobic vs aerobic respiration. for the anaerobic we covered the test tubes with a plastic film. what is the term for that?
Sunday, March 9, 2008 at 10:03pm by Quick question
biochemistry with more info that was needed
these are pre-lab questions, so i haven't been given a ph yet. These are questions due before lab starts.
Sunday, January 27, 2008 at 5:35pm by stew
Chemistry
Currently studying for an lab exam. Just have a few question about a typical Iodine Clock reaction lab. In an typical Iodine Clock reaction lab what would be the state of effect of an increase in the initial concentration of thiosulfate ion (S2O3 2-) and the increase in the ...
Friday, February 15, 2013 at 12:52pm by AhmadM
Organic Chemistry
JYD, that is word for word the question in my lab manual for the lab due today. Any chance you are in Orgo Lab at UNC Chapel Hill? To clarify the question DrBob222, is there a difference between the oxidation states of the other carbons in isoborneol and the carbon bonded to ...
Monday, March 24, 2008 at 9:05pm by LadyLiz
Physics
Oh..I didn't omit anything, I just added in the info of my recorded info from my lab...I wasn't sure if I'd need that. I guess not then. This question was a extra calculation question after the lab was done but I wasn't sure how to do this. so the question and ...
Wednesday, December 12, 2007 at 12:59am by ~christina~
PHYSICS 1 ..'''''''''''''''''''''''' helllpppppppp
A girl of mass (Mg) is standing on a plank of mass (Mp). Both are originally at rest on a frozen lake that constitutes a frictionless, flat surface. The girl begins to walk along the plank at a constant velocity (vgp) to the right relative to the plank. (The subscript gp ...
Tuesday, February 26, 2013 at 2:00am by Rrjey
physics
soo for physics, we did a lab where we launched a cart on a track on the floor and recorded time, distance, etc. to figure out things. one of the questions on the lab is: can you think of a simple follow-up experiment that would allow you to determine how much the cart's ...
Tuesday, October 6, 2009 at 10:21pm by student
physics
Ugh. I just got this as part of a lab question. It makes no sense what-so-ever in context. NEVER TAKE ONLINE PHYSICS IN HIGHSCHOOL!!! Lol.
Saturday, November 6, 2010 at 10:12pm by Jennifer
Lab for physics
K, so we are doing this lab in physics where a ball on a string is put through a glass tube and then different washers (masses) are added to the string. A radius is measured out, and then the string is spun in a horizontal direction...so with different radii and different ...
Sunday, September 30, 2007 at 11:40am by RSVP
Physics Lab
answered below...
Friday, September 14, 2007 at 8:12pm by ~christina~
algebra
A research lab is planning to explore the North Pole. Ten members of the lab each have a dog team. There are 56 dogs in all. If there are only 7- and 5-dog teams, how many of each will there be
Wednesday, March 23, 2011 at 3:39pm by ASAP PLEASE
Chemistry lab
I did a copper cycle lab and my final weight of the copper is less than what i started with. Where did the lost copper go?
Sunday, April 24, 2011 at 3:39pm by Lindy
Physics HS
Doing a physics lab on elastic material - Asked to list at least three sources of error in measurments and/or laboratory technique. I really do not understand what teacher is looking for?
Wednesday, October 17, 2007 at 9:22pm by Jane
Chemistry
Thanks I was thinking the same thing when my professor actually asked this question on our lab report well now I see why no one in lab could figure out the answer. Will print your rtesponse and share. Thank you I knew we were not all confused.
Friday, January 30, 2009 at 9:36am by Lumina
Chemistry
I understand that I already did the lab... these are the results from the lab.... I did two trial I am having trouble finding the volume of O2 STP and the mole STP what do I use to figure out those volumes
Wednesday, October 17, 2007 at 9:41pm by Taylor
Sources of error for lab
when doing a chromotography lab what are the sorces of error
Saturday, September 15, 2007 at 7:39pm by Anonymous
11th grade CHEMISTRY TITRATION LAB!
oh ok..i just wasnt sure if the vinegar was acetic acid because the procedure saud determining the concentration of acetic acid in an unkown sample of vinegar. thank you very much though! oh one last question, i understand the purpose of lab and how to conduct the lab but im ...
Sunday, December 14, 2008 at 8:56pm by student
Physics
I'm with his lab partner here.
Wednesday, January 23, 2013 at 6:19pm by Random Citizen
Physics_Vectors
Is this for UofT physics lab?? I need help on that too.
Monday, May 21, 2012 at 8:54am by PHY131
physics lab
C. is the only correct statement
Wednesday, February 16, 2011 at 12:22am by drwls
PHYSICS LAB
I will be happy to critique your thinking.
Tuesday, August 10, 2010 at 12:59pm by bobpursley
Physics
can you look at my lab and tell me how to do 2 a b c ?
Monday, June 1, 2009 at 7:55pm by to Math Mate!!!
Physics
Hi, I am in the middle of a physics lab about sound resonance, but I have no idea what "n" stands for in the equation we have to use, which is L=(2n-1)(wavelength)/4 any help? thanks!
Monday, June 27, 2011 at 9:46am by Robin
Science/Lab
Can anyone tell me what happens when you do the diffusion lab? It is the one where you take food coloring and drop it into hot, cold and room temperature water and tell the differences.I need all the info.... please help.
Wednesday, April 2, 2008 at 8:46pm by Molly
Physics
WHAT IS LINEAR MOTION? ;(DOMINO EFFECT lab)
Friday, March 9, 2012 at 7:56pm by Anonymous
Physics
here's my lab h t t p : / / w w w . m e d i a f i r e . c o m / ? sharekey=078256673f2b4a3dd9d5c56d04dfa8b0e04e75f6e8ebb871
Monday, June 1, 2009 at 7:55pm by to Math Mate!!!
lab directions
i have to do a lab on finding the melting point , but i do not understand these instructions : for the known sample raise the temp until it is within 10 to 20 C of known value, and then lower the rate of heating to 2-3 C per minute ?? please explain with the temperature of 120 C
Thursday, September 8, 2011 at 9:16pm by lon
ENGLISH
Hello, what is the format of "affiliation" in a lab report? A lab report? Are you sure this isn't a science assignment?? http://www.google.com/search?hl=en&q=affiliation+lab+report&btnG=Google+Search ??
Tuesday, December 5, 2006 at 9:58am by Kate
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