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anonymous
 5 years ago
8. Sand pours from a chute and forms a conical pile whose height is always 2 times the base radius. If the base radius of the pile increases at a rate of 7 feet/hour, find the rate of change of the volume of the conic pile, when the base diameter of the pile is 10 feet.
anonymous
 5 years ago
8. Sand pours from a chute and forms a conical pile whose height is always 2 times the base radius. If the base radius of the pile increases at a rate of 7 feet/hour, find the rate of change of the volume of the conic pile, when the base diameter of the pile is 10 feet.

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0wait for a while. i'm solving it.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0\[V=1/3\pi r ^{2}h\] \[dv/dt=1/3\pi rdr/dt (2)h\] \[dv/dt=2/3\pi r dr/dt h\] r=5,h=10, dr/dt=7ft/hr. \[dV/dt=(700\pi)/3\]

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0the unit is feet per hour.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0i hope this can help.
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