Ask a New Question
Search
Asked by
John
If a snowball melts so that its surface area decreases at a rate of 4 cm2/min, find the rate at which the diameter decreases when the diameter is 9 cm.
Answers
Answers
Answered by
Reiny
SA = 4πr^2
d(SA)/dt = 8πr dr/dt
for the given data
4 = 8π(4/5) dr/dt
dr/dt = ....
d(diameter)/dt = 2 dr/dt
Answered by
Mel
.1990
Related Questions
Related
if a snowball melts so that its surface area decreases at a rate of 1 cm^2/min, find the rate at whi...
If a snowball melts so that its surface area decreases at a rate of 3 cm2/min, find the rate at whic...
If 1 mol of ice melts at its melting point of 273 K, the entropy change for the ice is 22.0 J/K. If...
ALL ice melts at 0*C, but it requires MORE HEAT to melt 10g of ice than it would for 20g of ice....
A spherical snowball melts in such a way that its surface area decreases at a rate of 1 cm2/min. Fi...
A snowball melts at a rate of 2 cubic inch an hour. When the volume is 36π in^3, how fast is the rad...
When ice melts, how does the liquid water compare to the ice? The liquid has a greater mass a...
If a snowball melts so that its surface area decreases at a rate of 10 cm^2/min, find the rate at wh...
A snowball melts in such a way that its diameter is constantly decreasing at a rate of 0.3 cm/min F...
f a snowball melts so that its surface area decreases at a rate of 9 cm2/min, find the rate at which...