Asked by Andie
A spherical snowball is placed in the sun. The snowball melts so that it's surface area
decreases at a rate of 2 cm2
/min. Find the rate at which the diameter decreases when the
diameter is 8 cm.
I'm not sure what formulas to use, SA and/or Volume. And im not sure how to calculate it.
decreases at a rate of 2 cm2
/min. Find the rate at which the diameter decreases when the
diameter is 8 cm.
I'm not sure what formulas to use, SA and/or Volume. And im not sure how to calculate it.
Answers
Answered by
Steve
who cares about the volume?
A = πd^2
dA/dt = 2πd dd/dt
Now plug in your numbers to find dd/dt
A = πd^2
dA/dt = 2πd dd/dt
Now plug in your numbers to find dd/dt
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