11वी से 18 वीं सदी तक सूफियों और राज्य के बीच संबंधों की पहचान करें please answer me
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The cross – section of a pipe is 400 2
. It is used to fill a hemispherical tank of radius 3 m.
What must be the minimum flow rate of water in the pipe (in cm/sec) so that it can fill up the
tank in less than 20 minutes?
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