- #1
courtrigrad
- 1,236
- 2
if a raindrop is a perfect sphere,and it accumulates moisture at a rate proportional to its surface area. Show that the radius increases at a constant rate.
I know surface area of sphere = 4 * pi * r^2
dV/ dr = 4 * pi * r^2
I am not sure where to go from here
Any help is appreciated
Thanks![Smile :smile: :smile:](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
I know surface area of sphere = 4 * pi * r^2
dV/ dr = 4 * pi * r^2
I am not sure where to go from here
Any help is appreciated
Thanks