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January 29, 2015

January 29, 2015

Posted by **:)** on Tuesday, May 15, 2012 at 8:19am.

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**Damon**, Tuesday, May 15, 2012 at 8:30amV = (4/3) pi r^3

dV/dt = 4 pi r^2 dr/dt = surface area * dr/dt of course

so

dr/dt = dV/dt /(4 pi r^2)

= 5/(100 pi ) = 1/(20 pi)

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**:)**, Tuesday, May 15, 2012 at 9:14amthank you so much! :)

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**:)**, Tuesday, May 15, 2012 at 9:25amuhm, just one more thing. Isn't it 5/144π ? :)

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**Damon**, Tuesday, May 15, 2012 at 10:04amyes, right, forgot 6 and not 5

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**:)**, Tuesday, May 15, 2012 at 7:48pmthank you. :) you really did a big help. Godbless

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