April 20, 2014

Search: phy

Number of results: 720

Phy, sorry no formula, was an accident to get the value. But our values are not far off so try to guess a little it must be around my value. Your value did not work for me too. Could you tell me what the value for k and omega is please Phy?
Saturday, May 11, 2013 at 11:22am by FLu

Break the sixty meter into components: then add the original N walk, then find the resultant displacement.
Wednesday, September 12, 2007 at 9:43pm by bobpursley

complicated. Power will have to do with amplitude and time. find wavespeed. Then, energy and power can be calculated.
Tuesday, December 6, 2011 at 6:49pm by bobpursley

The formulas that you need to use for the final velocities can be found here: The head-on collision case is in part "c"
Thursday, September 16, 2010 at 4:50am by drwls

mastering physics
No figure is shown and no lengths are provided. You will find this theorem helpful for solving your problem, for any axis.
Sunday, December 4, 2011 at 10:41pm by drwls

8th grade science :(
This site has a good explanation plus diagrams.
Saturday, November 23, 2013 at 3:41pm by Ms. Sue

Isn't there a standard formula for this? f= 1/2PI * sqrt(K/mass) check that.
Wednesday, February 1, 2012 at 12:57pm by bobpursley

Physics Please help!
Read and apply the parallel axis theorem.
Sunday, March 18, 2012 at 12:40am by drwls

I would model the pulley as a flat disk. 1/2 m r^2
Sunday, December 12, 2010 at 12:28pm by bobpursley

Binomial Expansion I will be happy to check your work.
Tuesday, August 5, 2008 at 7:34pm by bobpursley

I have no idea what you are asking for. Pascal's principle?
Friday, October 10, 2008 at 3:02am by bobpursley

Scroll down to the graph at this site.
Tuesday, February 15, 2011 at 6:35pm by DrBob222

Differential Equations
scroll down through this:
Thursday, January 31, 2013 at 11:46am by Damon

Differential Equations
scroll down through this:
Thursday, January 31, 2013 at 3:41pm by Damon

Oh, perpendicular axis theorem might help:
Wednesday, February 12, 2014 at 1:23pm by Damon

Physics SHM
The answer is "yes". If you gave us the complete question we might have been able to offer more suggestions. If the amplitude is used to get something else, you may want to look at this web page:
Monday, November 3, 2008 at 2:51pm by GK

The first link improved:
Sunday, November 23, 2008 at 7:20pm by GK

Physics see the law of periods
Thursday, July 15, 2010 at 4:32pm by bobpursley

Find the energy of the photon, subtract the work function of Cesium, then convert the remainder to KE.
Saturday, January 30, 2010 at 7:44pm by bobpursley

Compute the inductance L, in Henries. The formula you need is here: The stored energy is E = (1/2) L I^2 E will be in Joules if I is in amperes.
Saturday, April 7, 2012 at 1:21am by drwls

Both are wrong. You mixed up the definitions of Faraday's and Ampere's Laws. For Lenz's Law, see
Sunday, May 1, 2011 at 6:33pm by drwls

Physical Science
It didn't post. 15. The image in a magnifying glass is NOT real. correct on the second.
Tuesday, September 21, 2010 at 4:30pm by bobpursley

physics - ohms law
The equation and temperature coefficient of resistivity that you need to answer this can be found at:
Tuesday, January 24, 2012 at 12:17am by drwls

Use the formula for an underdamped oscillator than can be found at: What you call the "sprint constant" is the spring constant of the cord.
Tuesday, March 27, 2012 at 8:01am by drwls

For the solution to this problem (and the formula to use for C), see You will need the value of epsilon-zero, which I presume you have learned.
Sunday, February 20, 2011 at 2:01pm by drwls

Have you tried using Gauss' law? It is well suited to problems like this.
Wednesday, September 16, 2009 at 12:58am by drwls

For a 1 tesla field the Larmor frequency is freq = 28.025 GHz.
Wednesday, April 16, 2014 at 10:13am by DrBob222

Physics with Calc
Calculus? Hmmmmm. Isn't the flux coming out equal to the charge in (divided by permittivity)? Exactly what is Gauss' Law?
Saturday, February 5, 2011 at 12:35pm by bobpursley

The trick here is finding k. mg=kx k=m(9.8/.025) then go here to find w
Tuesday, February 19, 2013 at 2:53pm by bobpursley

Here you will find more than twenty examples, with pictures:
Wednesday, August 13, 2008 at 1:59am by drwls

You're very welcome, Ashley. This site may help you understand osmosis and diffusion.
Sunday, June 7, 2009 at 8:21pm by Ms. Sue

physics Calculate cross sectional area, and use the formula.
Thursday, October 1, 2009 at 5:45pm by bobpursley

Assume the ground is a conductor an use Gauss' law.
Sunday, January 23, 2011 at 2:04pm by drwls

physics so confused
The subject of resonant LRC circuits is explained at
Wednesday, March 21, 2012 at 2:14am by drwls

The period is independent of mass, so the periods should be the same.
Wednesday, July 24, 2013 at 8:45pm by bobpursley

science look under section on Standard temperature and pressure
Tuesday, January 21, 2014 at 5:32pm by Damon

isn't this a standard formula?
Sunday, April 7, 2013 at 8:45pm by bobpursley

Are not these standard formulas?
Wednesday, May 8, 2013 at 9:32am by bobpursley

For assistance with the calculation, and a review of the subject, see
Saturday, March 29, 2008 at 6:37am by drwls

Goodness. THe pitch will be greater. You need to review this:
Sunday, February 27, 2011 at 6:00pm by bobpursley

physics It is directly proportional to B B=.0840T*.360/.660
Tuesday, April 5, 2011 at 10:01pm by bobpursley

I strongly recommend you memorize the right hand rule. Grab one turn on the coil, put your thumb in the directions of positive current, and your fingers show direction of B.
Wednesday, October 20, 2010 at 7:49pm by bobpursley

This looks like a good explanation. I would ignore the source that talks about diffusion and NaCl breaking down H2O into H2 and O2. That's hogwash.
Tuesday, May 7, 2013 at 11:27pm by DrBob222

1. The vectors are equilibrants. 2. this has to be done graphically, it cant be done here.
Thursday, November 19, 2009 at 12:59am by bobpursley

I would use something like this.
Wednesday, September 15, 2010 at 8:29pm by DrBob222

Physics The above site will provide the formula
Thursday, December 13, 2012 at 10:02pm by drwls

Physics see the receeding source formula.
Monday, February 3, 2014 at 8:51pm by bobpursley

Normally, in permanent magnet electric motors, it does not. What happens is the magnetic field being created by current thru a armature switch reverses direction.
Saturday, May 31, 2008 at 8:34pm by bobpursley

Do you how to use Gauss law to determine the electric Field E at some point r away from the line? Then Energy density is E/volume, and that works out to be 1/2 epsilonnaught*E^2
Saturday, August 31, 2013 at 4:20am by bobpursley

Look up Ampere's law for the magnetic field around a straight wire. You can find it at Solve for the unknown distance, r. Show your work if you need additional assistance.
Wednesday, September 26, 2007 at 1:08am by drwls

Physics You have length, area, inductance, you know mu. Solve for N, the number of turns of wire. The formula is straightforward.
Thursday, October 4, 2007 at 1:30pm by bobpursley

Look at the binding energy curve for your answer. Here is a site that has a curve. Scroll down from the top a little to find it.
Friday, April 25, 2008 at 11:28pm by DrBob222

The illuminance, or apparent brightness of a light, varies with the inverse of the square of the distance from the light source. See for example:
Monday, June 1, 2009 at 11:17pm by MathMate

See Torque = 6*Area*B*sin 90 = 6 pi*a*b*B The coil area gets multiplied by 6 because of the number of loops
Thursday, March 10, 2011 at 6:43pm by drwls

Physics repost You have length, area, inductance, you know mu. Solve for N, the number of turns of wire. The formula is straightforward.
Tuesday, October 9, 2007 at 4:24pm by bobpursley

Physics repost You have length, area, inductance, you know mu. Solve for N, the number of turns of wire. The formula is straightforward.
Tuesday, October 9, 2007 at 4:24pm by bobpursley

0 K is the answer they want. However, according to the uncertainty principle, there must be some residual motion and position uncertainty even at absolute zero.
Saturday, June 11, 2011 at 1:24am by drwls

Physics Please check my answers
8. When the temperature goes up, the fundamental frequency of an organ pipe will also go up. Play with this:
Tuesday, February 4, 2014 at 4:12pm by Damon

pre calc
The first Vairplane was given. The second is given, however I used trig to convert it to N, E components.
Monday, March 31, 2008 at 2:19pm by bobpursley

physics Since the photon reversed, the electron must have gained twice that momentum.
Saturday, April 26, 2008 at 9:38pm by bobpursley

Yes, that will do it. I hope you understand where and how that was derived. Here are links to it. If I wished to be head of the class, I would well understand this derivation:
Tuesday, April 5, 2011 at 10:01pm by bobpursley

Sorry, I didn't post the site.
Thursday, October 23, 2008 at 11:44pm by DrBob222

Use the mirror equation.
Wednesday, March 24, 2010 at 2:04am by bobpursley

Physics (Spring force constant)
Tuesday, May 1, 2012 at 8:56pm by bobpursley

physics determine the capacitance from that. Then, energy=1/2 C V^2
Friday, August 23, 2013 at 3:28am by bobpursley

Total resistance is R+r, so R/(R+r) of the power is delivered to the load. A good worksheet on this is to be found at
Sunday, September 15, 2013 at 8:38am by Steve

The reason is that there is a vapor pressure present in water in any temp, even at room temp.
Friday, September 21, 2007 at 10:29am by bobpursley

According to it would be fat, muscle and liver cells. They are cells that manufacture ATP.
Thursday, January 7, 2010 at 5:50am by drwls

The slowing of clocks on satellites (which must be corrected for a gravitational effect)and the extended life of mu mesons in cosmic rays has been verified. See
Sunday, January 10, 2010 at 11:37am by drwls

Certainly not equal to one for ideal gases. What is wrong with number one?
Thursday, December 13, 2007 at 7:34pm by bobpursley

a. figure the mass density (mass/length) v= sqrt(tension/massdensity)
Monday, April 16, 2012 at 4:01pm by bobpursley

Thursday, June 26, 2008 at 6:59pm by DrBob222

Check this site.
Thursday, November 15, 2007 at 4:55pm by Ms. Sue

8th grade science
Sunday, November 2, 2008 at 8:15pm by bobpursley

A. apple No.
Tuesday, December 9, 2008 at 10:26pm by Ms. Sue

This site has your answer.
Sunday, May 23, 2010 at 4:53pm by Ms. Sue

Physics-Please help with formula
Friday, February 25, 2011 at 4:22pm by Damon

Correct answers.
Sunday, November 25, 2012 at 3:05am by Elena

Look up the Dulong-Petit law.
Monday, October 18, 2010 at 7:17pm by DrBob222

10th grade
Here is a good explantaion at tenth grade level):
Wednesday, March 18, 2009 at 10:38pm by drwls

frequency new=frequency old *sqrt(169/289)
Saturday, January 2, 2010 at 3:09pm by bobpursley

Friday, February 19, 2010 at 12:12am by DrBob222

Wednesday, June 29, 2011 at 1:00pm by DrBob222

Monday, October 17, 2011 at 12:17am by DrBob222

Monday, October 17, 2011 at 1:10am by DrBob222

Sunday, November 13, 2011 at 2:14am by DrBob222

Friday, November 18, 2011 at 2:03pm by DrBob222

Wednesday, April 11, 2012 at 9:32pm by DrBob222

Wednesday, October 31, 2012 at 10:32am by Elena

Tuesday, December 18, 2012 at 8:17am by Damon

This site looks fairly easy for a biology student to understand.
Wednesday, October 8, 2008 at 6:39pm by Ms. Sue

Wouldn't it matter how many turns? There is a formula for this...
Tuesday, November 16, 2010 at 4:34pm by bobpursley

Sunday, October 5, 2008 at 7:45pm by bobpursley

anatomy & physiology
Friday, January 23, 2009 at 7:54pm by bobpursley

Wednesday, March 25, 2009 at 8:25pm by Ms. Sue

AP Physics
Wednesday, April 21, 2010 at 9:29am by bobpursley

AP Physics
Wednesday, April 21, 2010 at 9:27am by bobpursley

AP Chem
Thursday, October 21, 2010 at 4:08pm by DrBob222

yes, correct.
Friday, April 13, 2012 at 5:59pm by bobpursley

Physics plug in there
Wednesday, February 12, 2014 at 1:48pm by Damon

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