Question

A water tank is a cylinder with radius 40 cm and depth 150 m

150 cm
40 cm
It is filled at the rate of 0.2 litres per second.
1 litre = 1000 cm3
Does it take longer than 1 hour to fill the tank?
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Answer 1

3.142×40^2×150=753,982.237

if1sec =0.2litres

what about 753.982=

753.982×1/0.2

=22.80