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11 February, 04:38

You are filling up a cylindrical tank with a radius of 5m with water at a rate of 3 cm^3/min. Unbeknownst to you the tank has a hole and is leaking at a rate of 1 cm^3/min.

How fast is the height of the water increasing?

The volume of a cylinder V = πr^ (2) h.

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  1. 11 February, 04:41
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    dh/dt = 3/25π m/min

    Step-by-step explanation:

    Radius = 5m

    Rate (dV/dt) = 3 cm^3 / min

    Leaking rate = 1 cm^3 / min

    Volume = πr^2h

    Volume = π (5) ^2h

    V = 25πh

    Differentiate volume implicitly with respect to time

    dV/dt = 3 cm^3/min

    3 = 25π (dh/dt)

    dh/dt = 3 m^3/min / 25πm^2

    dh/dt = 3/25πm/min
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