วีดีโอ

thank you!!

Nice practical engineering talk.

Hey what's the formula for making this

pitting corrosion falls under cavitation?

Love this

What are dimensions of al specimen according to astm standards

Very good explanation and easy to understand. Thank you, Sir.

Thank you very much

The problem which i have , the program pick the yield force at elastic part of the graph, and when technician come to see the problem he said you should use the extensometer, is he right?

Can you tell me please , if I use Astm a615 and astm se370, then can I do the test without extensometer? Note this quotation from astm se370 “When the offset is 0.2 % or larger, the extensometer used shall qualify as a Class B2 device over a strain range of 0.05 to 1.0 %. If a smaller offset is specified, it may be necessary to specify a more accurate device (that is, a Class B1 device) or reduce the lower limit of the strain range (for example, to 0.01 %) or both. See also Note 10 for automatic devices.” NOTE 10-Automatic devices are available that determine offset yield strength without plotting a stress-strain curve. Such devices may be used if their accuracy has been demonstrated.

Thanks easy explanation

I wish I had you as a professor for my Machine Design course in college. Great Job!

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Puhlease. I can snap aluminum with almost no torque at all! I have a PhD in that...breaking bolts, shearing them and even splitting bolts (yes, I have cracked it along its axis) On a serious note, this was very interesting, especially how that torsion rod spun around so much. Also to note that the "spiral" is not quite a spiral as the slope changes, so changing the function from a 3d function to a 2d one, I would imagine its parabolic, depending on the internal resistance of the material. (Im not an engineer, Im a math PhD with mechanical engineering experience, so this was a really cool video.

Thanks for making this....8 years ago

Not gonna lie, thoroughly enjoyed the back and forth commentary.

Thank you sir - very clear concise lesson. Short and sweet!

Thankyou

0:45 dirk-girl.com

excellent video! so easy to understand!

Thank you this was very helpful

nice

Thanks! Good video

Thank you for your nice video! understand the basic principle

Great video

this video really helped me understand how to do radicals. Thank you so much! ( eboni m)

How often, I wonder, does that maneuver go wrong and end in a 1/4 flip back-flop or 3/4 flip belly-flop?

Thank you for clarifying that you used both a slanty and regular fraction at 15:07 lol

Nice video! Also view my video here th-cam.com/video/-UvFtGfF6oE/w-d-xo.html

Hard to read, should redo, using regular keyboard text, or a Permithian board

Thanks for the great lesson I really like your way of teaching. Would you do 5.3 the definite integral from the same book? again thanks in advance. All the best (y)

Lucinda is absolutely correct. And thanks for the tip on which angle is theta. From my perspective, one could pick either acute angle as theta, but which sides are labeled adjacent or opposite depends on that decision, not the other way around.

You're right, CYX. It should be 1/(1/5000) = 5000

What happened to the x=sin (t) on the 2nd example? Do you just ignore that part once you made y=cos(2t) into y=1-x^2?

in the first example when you changed sin^2x into 1-cos^2x what happens to 1/2 since sin^2x = (1-cos^2x)/2...?

~34:16 So you're telling me that 0+(1/5000) is 5000?

This was fun, and very helpful. Thanks

Bob Ross

2B or not 2B

All Students Take Calculus

Hey so I took your class a year ago, maybe you remember me maybe you don't. First of all this was an awesome class and it was taught unbelievably well. Second of all, I watch these videos on occasion for no reason other than that your class got me thoroughly interested in calculus.

I'm still on chapter 8 in Calc II, but I am glad you are using this book. Thomas' book has lots of easy examples in the beginning of chapter sections, but then has these incredibly miserable and brutal problems in the sets. I have been wishing for months that someone who was good enough would pick the most horrific looking problems in the sets and do them , since that is the stuff that there are no examples of to template by, and most tutorials online seem to avoid as well.

I'm famous!! Or is it infamous? You're an amazing teacher Dress, thanks for putting up with me.