Calculate the mass of a spherical bead of radius 3, centered at the origin, if the density of the material it is made of, is given by the function:
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Originally Posted by sonia1 Calculate the mass of a spherical bead of radius 3, centered at the origin, if the density of the material it is made of, is given by the function: That is, of course, , where R is the sphere of radius 3. If you use spherical coordinates, . You will want to use that for and for .
oh sorry it's meant to be 2|z|..but i still don't understand the bit so what would we integrate in terms of sperical coordinates
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