Water is flowing at the rate of 10km/hr through a pipe of diameter 16cm into a cuboidal tank of dimensions 22m * 20m * 16m. How long it will take to fill the empty tank? [use pi = 22/7]
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Answered by
35
r=8cm=.08m
Rate of flowing of water,h= 10km/h=10*(5/18)m/s
=25/9m/s
volume of tank=22*20*16
volume of water in 1 second= #r^2h #=pie
22/7*.08^2*25/9
so time taken to fill the tank
=(22*20*16)/(22/7*0.08^2*25/9)
=2000*7*9
=126000s
Rate of flowing of water,h= 10km/h=10*(5/18)m/s
=25/9m/s
volume of tank=22*20*16
volume of water in 1 second= #r^2h #=pie
22/7*.08^2*25/9
so time taken to fill the tank
=(22*20*16)/(22/7*0.08^2*25/9)
=2000*7*9
=126000s
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23
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