Question

A hemispherical tank full of water is emptied by at the rate of 6* 8/7 l/sec . how much time will take to empty 75% of the tank if diameter is 6m.​

Answer 1

Answer:

element is a pure substance consisting only of atoms that all have the same numbers of protons in their atomic nuclei. Unlike chemical compounds, chemical elements cannot be broken down into simpler substances by chemical means.

Answer 2

time taken = 99 minutes

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