A cylinderical hole is of height H and radius R .. it has a conical portion of same height and radius equal to 1/3rd the height which was removed.. rain is falling at a rate of pi per second... how much time will it take for the hole to be full ?

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- February 20th 2011, 10:32 AMice_syncerdifferential equation from related rate of change.
A cylinderical hole is of height H and radius R .. it has a conical portion of same height and radius equal to 1/3rd the height which was removed.. rain is falling at a rate of pi per second... how much time will it take for the hole to be full ?

- February 21st 2011, 02:37 AMAckbeet
How do you "remove" a conical portion from a cylindrical

**hole**? Can you draw a picture?