A conical tank has height 3 m and radius 2 m at the top. Water flows in at a rate of 1.5 m3/min. How fast is the water level rising when it is 1.1 m from the bottom of the tank? (Round your answer to three decimal places.)
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Ответ:
Explanation:
It is known that general formula to calculate the volume of a cone is as follows.
Volume of the cone =
and here, r =
So, V =
On putting the given values into the above formula we will calculate the value f h as follows.
V =
=
=
Now, we will differentiate w.r.t t as follows.
=
It is given that water here flows at a rate of 1.5 and h = 1.1 m.
1.5 =
1.5 =
= 0.888
= 0.9 m/min (approx)
Thus, we can conclude that the water level is rising at a rate of 0.9 m/min.
Ответ: