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Water is leaking from a conical funnel a...

Water is leaking from a conical funnel at the rate of 5 `cm^3//s`. If the radius of the base of funnel is 5 cm and height 10 cm, then find the rate at which the water level is dropping when it is 2.5 cm from the top.

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The correct Answer is:
Hence, the rate at which the water level is dropping is `(16)/(45pi)` cm`//`s.
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