Question: Underground water is being pumped into a pool whose cross section is 6 m 9 m while water is discharged through a 7-cm-diameter orifice

Underground water is being pumped into a pool whose cross section is 6 m × 9 m while water is discharged through a 7-cm-diameter orifice at a constant average velocity of 4 m/s. If the water level in the pool rises at a rate of 2.5 cm/ min, determine the rate at which water is supplied to the pool, in m³/s.

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