The diagram below represents a top view of a river a emptying into an ocean bay. A - B is a reference line along the bottom of t
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Answer:
Rate of change of volume of the pile
Explanation:
Given -
Rate of increase of the base of the pile inches per minute
Height of the pile the radius of the base
Let "h" be the height of the pile and "r" be the radius of the base.
Then
Radius "r" inches
Rate of change of radius i.e
Volume of conical pile
Change in volume of conical pile
Substituting the value of rate of change of radius, we get -
Rate of change of volume of the pile