From: spike66 (spike66@attbi.com)
Date: Mon Oct 28 2002 - 23:19:46 MST
John K Clark wrote:
>>John K Clark wrote:
>>
>>>A cylindrical hole six inches long is drilled straight through
>>>the center of a solid sphere. What is the volume remaining in
>>>the sphere?
>>
>
> spike66" <spike66@attbi.comWrote:
>
>>Cooooool! Cool question John! I get 4*pi cubic
>>inches, regardless of the diameter of the sphere.
>>I did it with only one integral using cylindrical
>>shells. {8-] spike
>
> Actually the answer is that the remaining material is always equal to the
> volume of a 6 inch sphere [ (4/3)*pi*r^3 where r =3]...
Ja, I found the mistake in my integral. I get 36*pi,
which is in fact the volume of a 6 inch diameter sphere.
Way cool! spike
This archive was generated by hypermail 2.1.5 : Sat Nov 02 2002 - 09:17:51 MST