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Re: Area and volume of solid of revolution
http://mathforum.org/kb/thread.jspa?messageID=4116243&tstart=0#4116243
Nov 28, 2005 11:13:18 PM
Nov 28, 2005 11:13:18 PM
rcanand@gmail.com
0

Re: Area and volume of solid of revolution
http://mathforum.org/kb/thread.jspa?messageID=4115169&tstart=0#4115169
> Then, why does the surface area calculation use ds
> rather than the]]>
Nov 28, 2005 11:10:17 AM
Nov 28, 2005 11:10:17 AM
narcoleptic_insomniac
1

Re: Area and volume of solid of revolution
http://mathforum.org/kb/thread.jspa?messageID=4114834&tstart=0#4114834
> Then, why does the surface area calculation use ds rather than the dx
>]]>
Nov 28, 2005 7:53:52 AM
Nov 28, 2005 7:53:52 AM
dseaman@no.such.host
0

Re: Area and volume of solid of revolution
http://mathforum.org/kb/thread.jspa?messageID=4114624&tstart=0#4114624
used for volume?
]]>
Nov 28, 2005 4:37:19 AM
Nov 28, 2005 4:37:19 AM
rcanand@gmail.com
3

Re: Area and volume of solid of revolution
http://mathforum.org/kb/thread.jspa?messageID=4114076&tstart=0#4114076
> I agree and understand that we get the right value for
> volume of a]]>
Nov 27, 2005 10:50:32 PM
Nov 27, 2005 10:50:32 PM
narcoleptic_insomniac
4

Re: Area and volume of solid of revolution
http://mathforum.org/kb/thread.jspa?messageID=4113827&tstart=0#4113827
>>>Take a thin slice of this sphere perpendicular to the
>>>xyplane that goes through the point x = a.]]>
Nov 27, 2005 8:21:23 PM
Nov 27, 2005 8:21:23 PM
rcanand@gmail.com
5

Re: Area and volume of solid of revolution
http://mathforum.org/kb/thread.jspa?messageID=4113638&tstart=0#4113638
> My question is  why does the area under the curve
> calculation]]>
Nov 27, 2005 6:58:23 PM
Nov 27, 2005 6:58:23 PM
narcoleptic_insomniac
6

Re: Area and volume of solid of revolution
http://mathforum.org/kb/thread.jspa?messageID=4113095&tstart=0#4113095
"When finding solids of revolution we first evaluate an
integral that calculuates the *area under a curve* and
then rotate]]>
Nov 27, 2005 1:40:01 PM
Nov 27, 2005 1:40:01 PM
rcanand@gmail.com
7

Re: Area and volume of solid of revolution
http://mathforum.org/kb/thread.jspa?messageID=4112338&tstart=0#4112338
> I have a question regarding the proof of the formulae
> for surface]]>
Nov 27, 2005 5:04:37 AM
Nov 27, 2005 5:04:37 AM
narcoleptic_insomniac
8

Re: Area and volume of solid of revolution
http://mathforum.org/kb/thread.jspa?messageID=4112253&tstart=0#4112253
I understand that there are examples (such as the one you described)
where using the arcdifferential can lead to absurd]]>
Nov 27, 2005 3:38:08 AM
Nov 27, 2005 3:38:08 AM
rcanand@gmail.com
0