1. What is (integral over all space) delta^3(r-r0)r^2d^3r where d^3r=dxdydz=dV and r0=(0,1,2)?(adsbygoogle = window.adsbygoogle || []).push({});

answer: I'm not quite sure what the intergral over all space means.How can r0 be integrated if it's just given as points?

2. Obtain Coulomb's law for the electric field of a point charge from Gauss's law, by considering a spherical surface S of radius r with a point charge +q at its center.

answer: I don't know how to do this. Can someone help? Please!

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# Homework Help: Help with a couple of questions

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