Cylinder-shaped 71844

The cylinder-shaped tank with a diameter of 100 cm is 50% full and contains 7850 l of water. What is the height of the tank?

Correct answer:

h =  20 m

Step-by-step explanation:

D=100 cm m=100:100  m=1 m V=7850 l m3=7850:1000  m3=7.85 m3 q=50%=10050=0.5  r=D/2=1/2=21=0.5 m S1=π r2=π 212=3.1416 0.520.7854 m2  V=q S1 h  h=q S1V=21 S120157=0.5 0.78547.85=20 m

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