/sci/ - Science & Math

>>8663591
>using a cellophane bag instead of aluminium foil

>>8518277
can people not see this post or something?
>>8518267

>>8393963
>because nobody has time. and i dont like bothering people
why are you even in school if you don't want to use the resources available to you?

>my biggest cocern is HOW THE FUCK DO YOU DETERMINE WHEN TO USE A BALL OR RADIUS R ON WHATEVER FUCKING PROOF. like sometimes they use a ball of half a radius or 1 third the radius or something like that. why when and how?
it obviously depends on the question, usually you do it with a general ball of radius r, see what you need after working through the problem, and then going back and setting it to 1/2, 1/3 or whatever

>>8385844
What if P=0?

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