A hemispherical tank, of diameter 3m, is full of water. It is being emptied by a pipe at the rate of 347 litre per second. How much time will it take to make the tank half empty?
Open in App
Diameter of tank = 3m ∴Radius=r=32m Volume of tank = 2×π×r33=2×22×273×7×8=9914Volumereleasedpersecond=347litre=257Volumethatneedstoberemovedinm3=12Volumeofthehemisphere=992×141m3=1000LVolumethatneedstoberemovedinL=99×100028Timetakentoremovethesaidvolume=99×100028×725s=990s