Made this video as an analogy for circuit branches with resistors. …
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“How cold would a sphere of silver with a radius of 5 meters be in order to freeze the ocean upon contact?”
Short answer is "no". There is a lower limit to how cold something can be, absolute zero. It looks like the specific heat of silver is 0.233 J/gm K ( at 20 C). Let's say it stays that value …
“Imagine you are a layperson with a basic liberal arts education who wants to learn quantum mechanics on his/her own: What steps should s/he take?”
From Quora, The first book in college (as a physics major) I used for Quantum Mechanics was the book by Griffiths. Introduction to Quantum Mechanics (2nd Edition) David J. Griffiths: 9780131118928: …
Tutoring Physics Sound Waves
Some notes from tutoring today, His class is studying sound waves right now. We looked at questions related to a lab. One question had to do with the accuracy of finding the speed of sound using …
“My 8 year old grandson asked, “Could all the water on earth put out the sun?”
Saw this question on Quora and thought it was interesting. The sun is hot enough to have nuclear fusion. But let's pretend that it was just a fire like we would have burning wood on Earth and …
How to do a phasor calculation with radians using a principle of Eulers Formula
"How has this been calculated? I try to convert the 7.11 to radians and sum it up, then converting it back to degrees. However I do not get 1.61." -Quora question My response: The numbers are …