Thank you for visiting my website. Below you will find links to all of my physics, chemistry and math videos. I hope that you find what you are looking for. I would love to hear from you. If you have any comments or suggestions for future videos please leave them in the comment box below.

U are a saviour sir….

Thanks a ton 😊

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Do you have videos on momentum in physics? 🙂

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Sorry but at this point I do not.

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could you please do a video explaining horizontal asymptotes in math

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Sorry, but I am really trying to focus on physics at this time.

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Thank you so much for these videos. The explanations are so clear and understandable. The use of graphics and illustrations helps clarify the concepts tremendously. As a fellow teacher I salute you for these outstanding lessons.

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Where do you teach? I am currently working at a private school in Berlin Germany.

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Brian,

I teach at a public high school in Michigan. Chemistry is my main focus and I’m teaching physics at the ninth grade level now. I have researched a lot of physics materials and have found your teaching videos to be exemplary. Thanks again for sharing such great work!

Patti

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Thanks for the positive comment.

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i have some problems regarding work power energy. can i send you the questions and will you please solve? it will be very much helpful to me.

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Sorry, I do not do homework for people. If you have a general conceptual problem let me know.

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thanks you a lot sir

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sir can u pls take my problem of mirror formulla i cant understand it

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watch my thin lens mirror equation video!

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I have problem solving numericals can you prescribe some techniques to solve numericals

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can you help me getting the slope of the position vs time graph?

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The slope on the P vs T graph is the change in the Y value (position) divided by the change in the X value (time). It is also said a the final position – the initial position divided by the time. Pick two points on the line and determine how much the position changes between the points and divide that by the change in time! Does that help.

Also try this website, it is very good, http://www.physicsclassroom.com/class/1DKin/Lesson-3/Determining-the-Slope-on-a-p-t-Graph

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I attend a private college in Michigan and after beating my head on the wall for the last several weeks in physics, you have been able to make every point of confusion make sense. As I have said before, having a doctorate in a subject just means that one knows a lot about the material, not necessarily how to present it to others. Thank you for the videos.

Any chance that you could do some on complex ions and k, ksp, and kf for chemistry>

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Sorry, but I am trying to focus on physics, capacitors. But thank you very much for the comment.

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Thanks for the nice tutorials! But I am not able to find videos on oscillators like RC,LC colpitts oscillator,crystal oscillator,wein bridge.Can you upload its videos with its basic diagram and formulae. Thanks

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I have a couple of basic RC video but not the others. Mostly focusing on capacitors and capacitance.

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whats the difference between a resistor and a capacitor circuit?

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a resistor is a device used to restrict or control the current in a circuit and a capacitor is a device used to store charge or energy in a circuit.

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Hi, Mr. Swarthout! Your videos are very helpful, thank you!

Could you do a video about electromotive force? They confuse me so… Especially in circuits with capacitors :’)

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I love ur Physics videos. The way U explain concepts is really awesome.

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Great and thanks for commenting, I just try to go through everything step by step.

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hey mr.Brian Swarthout,

can you make a video about energy potential elastic please?

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Hi Brian, With Capacitors, Is there a different formula for calculating just 2 capacitors in a circuit than 2 or more? And also if there happens to be a mirofarad and a picofarad capacitor in the same circuit must you change one to the other before calculating ? Thanks again for the awesome videos.

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Yes you use the same formula and yes generally you must convert to farads first!

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Thank you soo much. We didn’t have a teacher in Grade 9 so I started self-study in summer. I was able to cover most of the topics but thanks to your videos I successfully completed the Physics Syllabus. Thank you again and keep the amazing videos coming. 🙂

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No teacher? That is not good, great that you found the videos helpful. Thanks for commenting.

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you don’t have anything on Gauss’s law?

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At this point I do not.

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hey can you please make videos on momentum and impulse. your videos have really helped me and it would mean alot if you do so keep up the great work

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That is a good idea I have had acouple of other requests for those topics. currently working on some electrcity video but maybe that will be next.

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So to find the displacement from any time interval do u find the area under these 2 points?

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on the velocity vs time graph the area under a section of the curve is the displacement.

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Brilliant! I was able to help my 9th Grader prepare for his Physics exam!

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Great that you are helping him out. Thanks for the comment!

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Great and thanks for helping your 9th grader. I hope the exam went well.

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you are doing a very very good work for medium school students

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Great and thanks for commenting!

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Can you have ur lectured in written form ???

I hve no teacher in this time…

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I do not really have them in written form. If you let me know what topics you want I could possibly email you my notes.

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Thank you very much sir for your videos on molar conversion which you have on youtube! They have cleared up my misunderstanding of how to convert between moles to grams and grams to moles, your students must be very lucky to have you as an educator. Thanks again and have a great day!

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That is very nice of you to say thanks for the positive comment.

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Sir your video tutorials on youtube has been wonderful and great, I enjoyed watching and listening to you lecture.

I want to compare an electric circuit to an economy and see how I can use kirchoff’s law to study how the inflow of capital or foreign direct investment is been affected by some opposition. Highlighting some factors like corruption, power shortage and foreign policy side by side with resistance, capacitance and inductance.

Sir your views will be appreciated.

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Hmmm….

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hey sir !

I’m just wondering when the x & y components equal zero when you solve force and motion problems?? .For example ; sometimes the y-component equal zero

F(y)=ma(y)

Fn-w=o

Fn=mg sin@ …..

by the way I know one situation that y&x could be equal zero which is whenever a=0 !!

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Do you have a video for thevein the prom ???🤔

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Thevein theorem?

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Sorry, at this time I do not.

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Thank you so much… I finally get everything!

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Great, glad that the videos are helpful.

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Dear sir i am totally lost in mechanics esp.when the net work done includes angles.

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I have videos for that look under Physics and then Work, Energy, Power, Simple Machines

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Excellent presentation on parallel circuit calculations. It was extremely well thought out and presented in a manner that captures ones’ interest. I am currently studying DC theory, and want to know if you have any vignettes related to solving for complex combination (Series/ Parallel) circuits? Thank you.

Ron

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Yes I have videos for combination circuits, see my website.

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Thanks a lot Sir.

Your physics videos are awesome!

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You are very welcome, thanks for the comment.

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Why can you not be a lecturer?! Your videos are amazing! Thank you soooo much!!!

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You are very welcome, thanks for the nice comment,

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