Top Comments
All Comments (18)
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I wish i had discovered khan academy for my A levels physics class it would have helped me increase my C to an A definitely
LOVE UR TEACHING!!!
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cat and horses cat
tress of allah toa
suns of heat soh
yes yes i no its weird :P
ahahah
thats how i memorized them xp lmfao
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Why is he treating the ring like a particle?
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@sentriclecub I also watched it 3 times (exactly). Your comment made me feel better about spending so much time trying to understand it.
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@oddvidios not really :/ all your assuming is that a point charge produces spherically symmetric radial field distribution.
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@Plutoniummatt cus that would be circular logic
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Hey Sal, I hope you have time to answer this. Perhaps I missed it, but what book are you getting these problems from? If would help if we knew so we could follow along more easily. Thanks for all the work, these are great videos!
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this is such a complicated way of doing it....why not use gauss' law bro
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I LOVE U!
sidomo 2 years ago 15
an infinitely large disk is just as infinitely large as an infinitely large rectangle (assuming you believe a plane is rectangular, which it is not, a plane is ALL 2-d space)
sentriclecub 3 years ago 5