Q. 135.0( 1 Vote )

A hemispherical tank

Answer :

Radius of the hemispherical tank = 1 m
                                                   = m ∴ Volume of water in the tank = π r3
                                            = × × × ×
                                            = cu. m
                                            = cu. cm
                                            = × litres
Water emptied per second = 7 litres ∴ Time required to empty the tank = × ×
                                                  = 1604.17 seconds
                                                  =
                                                  = 26.74 minutes

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