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Question -

Water flows out through a circular pipe whose internal diameter is 2 cm, at the rate of 6 metres per second into a cylindrical tank. The radius of whose base is 60 cm. Find the rise in the level of water in 30 minutes?



Answer -

Internal diameter of the pipe = 2 cm
∴ Radius (r) = 2/2 = 1 cm
Speed of water flow = 6m per second Water in 30 minutes (h) = 6 x 60 x 30 m =10800 m
Volume of water = πr2h

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