Question

Water flows at a rate of 10m per minute through a cylindrical pipe having its diameter as 20mm.how much time will it take to fill a conical vessel of bae diameter40cm and depth 24cm

Answer 1

10m = 1min

10x= time taken

water flowing in pipe=πr^2h

=π1×1×10x

=10xπ

10xπ= 1/3πr^2h

10xπ=1/3π×20×20×24

10xπ=. 32000π

10x=32000

X=320

therefore 320 mins taken to filled the conical vessel.

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