Could someone help me with this one?

Sphere radius is increasing in the course of time. At the time moment when it's radius is 8cm, it's increasing in 5cm/s speed. At what speed does spheres volume increase?

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- March 1st 2010, 12:16 PMRevy[SOLVED] Rate of increase
Could someone help me with this one?

Sphere radius is increasing in the course of time. At the time moment when it's radius is 8cm, it's increasing in 5cm/s speed. At what speed does spheres volume increase? - March 1st 2010, 12:52 PMArchie Meade
- March 1st 2010, 01:04 PMHallsofIvy
This is a "relative rates" problem and belongs in "Calculus", not "differential equations".

- March 1st 2010, 01:23 PMRevy