Number of results: 428
Phys
A soda can (r=3cm) rolling at 2 m/s to the right is stopped in 1 m. What is its angular acceleration? (a is constant)
Thursday, November 20, 2008 at 11:24pm by Phys
Phys
Is the answer 30 radians?
Thursday, November 20, 2008 at 11:20pm by Phys
Phys
A top starting from rest is spun for 3 seconds achieving an angular speed of 20 rad/s. How many radians has it gone through in this time? (a is constant)
Thursday, November 20, 2008 at 11:20pm by Phys
classroom instruction 9not sure if i am right)
Yes -- if those are in the phys ed guidelines. Remember, this is what the state feels kids should know by the end of 4th grade. That means that their phys ed classes in the earlier grades are leading up to these competencies.
Friday, February 19, 2010 at 8:52pm by Ms. Sue
Phys
A stationary 50 kg circular object (r0=.25m) is on a 30 degree incline. The coefficient of rolling friction between the block and the incline is 0.05. If it moves for 3 seconds, what is the angular displacement of the object at this time?
Thursday, November 20, 2008 at 9:23pm by Phys
science
Check these sites. http://csep10.phys.utk.edu/astr161/lect/history/newton3laws.html http://csep10.phys.utk.edu/astr161/lect/history/newtongrav.html
Tuesday, January 22, 2008 at 5:58pm by Ms. Sue
Physics
This may help. It describes a way of using critical point properties to apply the Van der Waals equation of state: http://www.phys.uri.edu/~gerhard/PHY525/tln30.pdf
Friday, February 24, 2012 at 4:36pm by drwls
Science
Thank you for using the Jiskha Homework Help Forum. I hope some of the following will help you: 1. http://www.glenbrook.k12.il.us/GBSSCI/PHYS/CLASS/estatics/u8l2a.html 2. (by conduction): http://www.glenbrook.k12.il.us/gbssci/phys/Class/estatics/u8l2c.html
Monday, November 5, 2007 at 8:18pm by SraJMcGin
pre-calc
a bit outside my expertise, but this page seems to fit in quite nicely with your problem. http://csep10.phys.utk.edu/astr162/lect/stars/magnitudes.html
Saturday, May 16, 2009 at 1:40pm by Reiny
science
Here is a reasonable place to start: http://csep10.phys.utk.edu/astr161/lect/history/newtongrav.html It probably tells you more than you want to know.
Tuesday, January 10, 2012 at 12:39am by drwls
chemistry
Here is a graph that will give you the information to calculate that value. http://galileo.phys.virginia.edu/education/outreach/8thgradesol/TempSolubility.htm
Thursday, January 20, 2011 at 5:52pm by DrBob222
chemistry
Here is a site that provides solubility data versus temperature. Scroll down about 1/4 of the page and look for the KCl curve. http://galileo.phys.virginia.edu/education/outreach/8thgradesol/TempSolubility.htm
Sunday, May 16, 2010 at 8:41pm by DrBob222
Biology
The first and third laws are best stated in words. I suggest you review them at http://csep10.phys.utk.edu/astr161/lect/history/newton3laws.html . The second law is simply Force = (mass) x (acceleration).
Saturday, August 15, 2009 at 8:19am by drwls
engineering physihcs
http://phoenix.phys.clemson.edu/tutorials/excel/graph.html
Saturday, February 12, 2011 at 7:36pm by bobpursley
Physics - Newton's Law of universal gravitation
http://csep10.phys.utk.edu/astr161/lect/history/newtongrav.html
Sunday, August 22, 2010 at 2:38pm by bobpursley
Physics
Apply Kepler's third law for the solar system. With radius R in a.u. and period in years, R^3/P^2 = 1 = constant for all orbiting objects http://csep10.phys.utk.edu/astr161/lect/history/kepler.html
Tuesday, September 20, 2011 at 10:37pm by drwls
science
Kepler's third law says that R^3/P^2 = constant. http://csep10.phys.utk.edu/astr161/lect/history/kepler.html We can choose to measure P in years and the orbital radius R in a.u. In your case, the ratio (R^3/26^2) = 1^3/1^2 = 1 R^3 = 676 R = 8.8 a.u.
Tuesday, January 11, 2011 at 1:08am by drwls
Chemistry
http://galileo.phys.virginia.edu/classes/252/kinetic_theory.html
Thursday, October 7, 2010 at 10:33pm by DrBob222
PHYSICS
The problem is worked out on page 10 of http://www.phys.lsu.edu/classes/fall2007/phys2001-24/lecture19.pdf where a better figure is shown.
Monday, January 10, 2011 at 7:59am by drwls
Astronomy - help!
http://csep10.phys.utk.edu/astr162/lect/mainseq/mainseq.html Look at the time graph, on the vertical scale find 10^3 million years, then go downward to the horizontal scale and read the answer.
Wednesday, October 29, 2008 at 7:51pm by bobpursley
CHEMISTRY
c = fw c = speed of light = 3E8 m/s f = frequency in Hz\ w = wavelength in m. Here is a site that will help you identify the section of electromagnetic spectrum.http://csep10.phys.utk.edu/astr162/lect/light/spectrum.html
Friday, September 7, 2012 at 8:46pm by DrBob222
Science
Equilibrium constants do not provide rate data. They may want you to assume that chemical equilbrium is established overnight, and assume a unimolecular process, with equilibrium constant K. http://www.uic.edu/classes/phys/phys461/phys450/ANJUM06/ Ignore the jibberish of ...
Thursday, March 10, 2011 at 1:16am by drwls
astronomy
Earths temperature averaged over the year is about 300 Kelvin. At what wavelength does it radiate most strongly? What part of the electromagnetic spectrum does this wavelength lie in? Can you see it? http://csep10.phys.utk.edu/astr162/lect/light/planck.html
Monday, April 16, 2007 at 8:55pm by rohan
science
http://csep10.phys.utk.edu/astr162/lect/cosmology/forces.html
Sunday, March 10, 2013 at 10:03am by Damon
Biology
http://galileo.phys.virginia.edu/education/outreach/8thgradesol/AtomicNumMass.htm
Wednesday, June 15, 2011 at 2:44am by TutorCat
Chemistry
http://galileo.phys.virginia.edu/education/outreach/8thgradesol/TempSolubility.htm
Monday, June 7, 2010 at 8:16am by DrBob222
science
µ = f / N, where µ is the coefficient of friction, f is the amount of force that resists motion, and N is the normal force f=µN ma=µmg cancel m on both side: a=µg http://ffden-2.phys.uaf.edu/211_fall2002.web.dir/ben_townsend/...
Wednesday, September 15, 2010 at 11:16am by TutorCat
science
Thank you for using the Jiskha Homework Help Forum. Here are some sites for you: 1. http://www.glenbrook.k12.il.us/GBSSCI/PHYS/CLASS/newtlaws/u2l3a.html 2. http://en.wikipedia.org/wiki/Newton's_laws_of_motion 3. http://csep10.phys.utk.edu/astr161/lect/history/newton3laws....
Wednesday, October 24, 2007 at 9:50am by SraJMcGin
astronomy
Earths temperature averaged over the year is about 300 Kelvin. At what wavelength does it radiate most strongly? What part of the electromagnetic spectrum does this wavelength lie in? Can you see it? http://csep10.phys.utk.edu/astr162/lect/light/planck.htm see the formula ...
Tuesday, April 17, 2007 at 4:19am by shirodkar
science planets
Seasons are caused by the alignment, or non-alignment of the planets axis of spin with the perpendicular to the orbital plane. http://csep10.phys.utk.edu/astr161/lect/time/seasons.html
Wednesday, March 24, 2010 at 9:55am by bobpursley
earth science
http://csep10.phys.utk.edu/astr161/lect/earth/atmosphere.html
Wednesday, May 28, 2008 at 5:18pm by bobpursley
Science
Velocity is a vector quantity; i.e., it has both a speed AND a direction. Here is a site that talks about that. http://www.glenbrook.k12.il.us/GBSSCI/PHYS/CLASS/1DKin/U1L1d.html
Friday, April 10, 2009 at 8:42pm by DrBob222
science
Thank you for using the Jiskha Homework Help Forum. Please try the following: http://www.glenbrook.k12.il.us/gbssci/phys/Class/energy/u5l1b.html Sra
Thursday, November 6, 2008 at 8:15pm by SraJMcGin
physics
Good question. I don't really understand it myself. Perhaps this lecture will help: http://www.phys.ufl.edu/courses/phy4550-6555c/spring09/symposium-adiabatic-demag.pdf When searching the web, use a z instead of an s in "demagnetization".
Wednesday, March 21, 2012 at 7:00am by drwls
Science
Here are some diagrams that explain it better than words. http://www.glenbrook.k12.il.us/GBSSCI/PHYS/CLASS/sound/u11l1c.html
Wednesday, April 22, 2009 at 11:40pm by DrBob222
science
Thank you for using the Jiskha Homework Help Forum. Here are some sites for you: 1. http://csep10.phys.utk.edu/astr162/lect/sun/wind.html 2. (part II) http://csep10.phys.utk.edu/astr161/lect/earth/magnetic.html 3. http://en.wikipedia.org/wiki/Solar_wind 4. (NASA site): http://...
Wednesday, January 16, 2008 at 8:09pm by SraJMcGin
phys!!! how do you do this
f=m(g+a)
Monday, October 22, 2012 at 10:41am by anthony
phys
b.
Thursday, February 17, 2011 at 10:26am by drwls
phys
thanks
Saturday, November 13, 2010 at 6:16pm by Jarod
Physics
Josh, if you dont know how to add two ninety degree vectors, and you are now in statics, something is greatly wrong. http://www.glenbrook.k12.il.us/GBSSCI/PHYS/Class/vectors/u3l1b.html
Thursday, August 6, 2009 at 7:28pm by bobpursley
science
Thank you for using the Jiskha Homework Help Forum. In addition to the answer to your question, here is a site on waves: http://www.glenbrook.k12.il.us/gbssci/phys/Class/waves/wavestoc.html
Sunday, January 27, 2008 at 10:06pm by SraJMcGin
physics.
What does concurent mean? In the same direction? What does opposite mean? If at right angles, you have to use the pyth theorem. http://www.glenbrook.k12.il.us/GBSSCI/PHYS/Class/vectors/u3l1b.html
Thursday, January 17, 2008 at 11:33pm by bobpursley
Physic please help!
The first four are ray diagrams. http://www.glenbrook.k12.il.us/GBSSCI/PHYS/Class/refln/u13l4b.html answer e can be done on the ray diagram also, but there is a formula you can use to check it.
Tuesday, November 6, 2007 at 7:14pm by bobpursley
Physics
I thought a vector quantity had to have a magnitude AND a direction. Displacement has no direction does it? See this site. http://www.glenbrook.k12.il.us/gbssci/Phys/Class/1DKin/U1L1b.html
Wednesday, July 16, 2008 at 10:36pm by DrBob222
physics
1) See "charging a single sphere by innduction" here: http://www.glenbrook.k12.il.us/gbssci/phys/class/estatics/u8l2b.html 2) No. Some of the electrons are free to move from atom to atom as a result of friction, but the nuclei are not. 3) yes
Tuesday, November 6, 2007 at 11:00pm by drwls
PHYS
190
Sunday, November 1, 2009 at 8:09pm by isela
phys!!! how do you do this
is a negative
Monday, October 22, 2012 at 10:41am by anthony
phys
327
Thursday, April 26, 2012 at 12:29am by Cody
Univ Phys
1
Monday, November 9, 2009 at 3:24pm by Anonymous
phys
-.8m/s
Monday, October 18, 2010 at 9:43pm by Carrie
Phys sci
ITS C
Tuesday, December 8, 2009 at 10:06pm by PHYSICS
quantum mechanics
The box size enters in when writing the potential V(x). It becomes infinite at the ends. There is an interaction potential, but a more important consequence of having two electrons is the Pauli exclusion principle. See the discussion at http://galileo.phys.virginia.edu/classes...
Monday, April 5, 2010 at 5:52am by drwls
science
I bet you did not go to the library. http://www.atmos-chem-phys.net/7/899/2007/acp-7-899-2007.html
Friday, August 14, 2009 at 8:11am by bobpursley
physical science
http://www.glenbrook.k12.il.us/gbssci/phys/Class/light/u12l2d.html
Tuesday, June 30, 2009 at 8:08pm by PsyDAG
phys
you a stank emily
Thursday, September 6, 2012 at 9:18pm by fag
phys sci..
i need help
Friday, October 2, 2009 at 1:03pm by chris
phys-frequency
ccv
Sunday, December 6, 2009 at 6:00pm by Anonymous
Phys Ed
is tasty
Tuesday, November 3, 2009 at 1:39am by yolanda
Phys Ed
is tasty
Tuesday, November 3, 2009 at 1:39am by yolanda
phys.
P = IV and V = IR
Monday, January 11, 2010 at 7:41pm by Marth
phys
Is D~11.7*10^-2
Wednesday, January 6, 2010 at 5:48pm by bun
phys
Thanh you drwls
Tuesday, December 15, 2009 at 2:28am by Bun
Phys sci
what does that mean?
Tuesday, December 8, 2009 at 10:06pm by Joanna
physics
Use Coulomb's law. F = k Q^2/R^2 In this case, Q is the electron charge and R is the separation distance. Set F = 8.50 N and solve for the separation R. Your course material should tell you the value of k, if you do not know it. You can also find it many places online, ...
Monday, March 9, 2009 at 1:41am by drwls
Physics
How do you calculate. How many years would it take the planet to orbit the sun. All I have is, that the planet is 97 times farther from sun than earth or 97 Astronomical units Use Kepler's Third Law. If you have never heard of it, read http://csep10.phys.utk.edu/astr161/...
Friday, December 29, 2006 at 1:47pm by Harry
science
http://www.glenbrook.k12.il.us/gbssci/Phys/Class/waves/u10l1c.html
Wednesday, October 1, 2008 at 8:03pm by DrBob222
physics
http://www.glenbrook.k12.il.us/GBSSCI/PHYS/CLASS/newtlaws/u2l4a.html
Friday, June 27, 2008 at 12:14am by DrBob222
Physics
http://www.glenbrook.k12.il.us/GBSSCI/PHYS/Class/vectors/u3l1b.html
Monday, June 9, 2008 at 5:52pm by drwls
PHYS ED
The second one
Thursday, March 13, 2008 at 10:20am by JOEY
Phys Science
see my post.
Tuesday, July 19, 2011 at 4:53pm by bobpursley
Phys Ed
ur mom
Tuesday, November 3, 2009 at 1:39am by yolanda
physics
Look up the coefficient of kinetic friction for tires skidding on concrete. Call it Uk M V^2/2 = M g Uk X M's cancel; solve for V. g = 32.2 ft/s^2 V = sqrt(2*g*Uk*X) The number of tires does not matter. The answer will be in ft/s For Uk, http://ffden-2.phys.uaf.edu/...
Thursday, May 26, 2011 at 11:46pm by drwls
phys!!! how do you do this
F = ma You have m and a. Can F be far behind?
Monday, October 22, 2012 at 10:41am by Steve
phys
49 degrees west of north
Sunday, October 19, 2008 at 8:29pm by Anonymous
phys ed
Have you considered asking your teacher?
Wednesday, April 28, 2010 at 3:11pm by bobpursley
phys
nvm, figured it out myself
Tuesday, November 24, 2009 at 1:08am by ami
phys
work= 300kw*10*4*25sec
Monday, October 26, 2009 at 7:47pm by bobpursley
phys sci..
Tension=m(a+g) where a is in the upwarddirection. solve for a.
Friday, October 2, 2009 at 1:03pm by bobpursley
Phys Ed
What are 2 professional lacrosse leagues?
Tuesday, April 28, 2009 at 10:36pm by Anonymous
phys!!! how do you do this
if the answer is not 95.76, there's something wrong.
Monday, October 22, 2012 at 10:41am by Steve
phys!!! how do you do this
I still aint getting the right answer
Monday, October 22, 2012 at 10:41am by anthony
Phys Sci
:) My mom and I figured it out...so no help needed.
Tuesday, May 31, 2011 at 8:37pm by LinWa
phys
You are wrong. Higher pitch they are moving closer.
Saturday, November 13, 2010 at 6:16pm by bobpursley
phys science
Answered above by Bob Pursley.
Tuesday, April 13, 2010 at 2:03pm by DrBob222
Phys
Yes. It equals (1/2)(time)(final angular speed)
Thursday, November 20, 2008 at 11:20pm by drwls
Physics
His experiment, which was actually carried out by his graduate student, measured the charge "e" of the electron. No one had a clue what it was until then. Protons have the same charge, but opposite sign. It is easier to do the experiment with electrons. If you Google...
Tuesday, December 14, 2010 at 10:51pm by drwls
physics
You can use the lens equation to find (given fo, objectdistance) image distance. Then, use the magnification equation to find image height (di/do=hi/di) http://glenbrook.k12.il.us/GBSSCI/PHYS/Class/refrn/u14l5f.html
Monday, March 24, 2008 at 9:11pm by bobpursley
PED212
I still hate phys ed. What about you?
Thursday, July 19, 2012 at 5:13pm by Ms. Sue
phys
thank you...what I originally did was use the wrong specific heat for iron.
Thursday, April 26, 2012 at 1:12am by opp
Phys-Help!
Check you hand rules in your text. I can't decipher the figure.
Monday, April 25, 2011 at 4:21pm by bobpursley
Phys
An electric field is a fact.. a physical property that can be measured.
Saturday, February 5, 2011 at 5:46pm by drwls
phys
"The drawing", or a detailed description of it, is needed to answer this question.
Wednesday, November 24, 2010 at 11:27am by drwls
phys
i solved D~11.7*10^-2, but the answer key is .0956
Wednesday, January 6, 2010 at 5:48pm by bun
phys-frequency
1.414, to be more exact. (The square root of 2)
Sunday, December 6, 2009 at 6:00pm by drwls
PHYS
q=mcdeltatemp m= 1.09E10/c*5 You are given C, solve for mass in kg
Sunday, November 1, 2009 at 8:09pm by bobpursley
PhYs...alpha particles
oooo ok....tHANXX!! appreciate the time and help.
Sunday, February 17, 2008 at 8:04pm by Anonymous
PhYs...alpha particles
okay ..i get it...so the same equations apply to your method?
Sunday, February 17, 2008 at 8:04pm by Anonymous
physics
This looks like a laminar pipe flow problem. I do not recognize your � symbol, nor the units Ns/m2. Is that the viscosity? The friction factor is 64/(Reynolds number). You can either use pipe flow formulas with that friction factor, or special formulas for...
Wednesday, December 2, 2009 at 8:46pm by drwls
Physics
Problem#62 http://www.physics.umn.edu/classes/2012/fall/Phys%201401V.001/downloads/169171-Ch09_ISM.pdf
Saturday, November 17, 2012 at 12:13am by Elena
phys!!! how do you do this
ok i put that there it would be 95.76 N right this webassign is tellin me it isnt
Monday, October 22, 2012 at 10:41am by anthony
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