Water is flowing at the rate of 10 km per hour through a pipe of radius 7 cm into a cuboidal tank of dimensions 22 m x 20 m x 14 M how long will it take to fill the empty tank
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Answer:
4 hours
Step-by-step explanation:
Pipe volume = πr^2h
r=7cm , h=10km = 1000000cm
=22/7 * 7 *7 * 10^6
=1.54*10^9 cm^3
Tank volume in cm^3 =22*20*14=6160m^3
=6.16*10^9 cm^3
Time(hours)=
1.54*10^9 cm^3/6.16*10^9 cm^3
=4 hours
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