Water level

How many cm will the water level in a cube-shaped tank with an edge of 3 m drop if we discharge 189 hl of water?

Correct result:

x =  210 cm

Solution:

a=3 m V1=189 hl m3=189/10  m3=18.9 m3  S=a2=32=9 m2  x1=V1/S=18.9/9=2110=2.1 m  x=x1 cm=x1 100  cm=2.1 100  cm=210 cm



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