A 1.2 m diameter penstock carries water from a reservoir with a 150 m head to a $90 \%$ efficient hydroelectric generating facility that produces $10 \mathrm { MW } _ { \mathrm { e } }$.
(a) What is the flow rate of the water in the penstock in mass per unit time?
(b) What is the velocity of the water in the penstock?

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The Answer of A 1.2 m diameter penstock carries water from a reservoir with a 150 m head to a $90 \%$ efficient hydroelectric generating facility that produces $10 \mathrm { MW } _ { \mathrm { e } }$.
(a) What is the flow rate of the water in the penstock in mass per unit time?
(b) What is the velocity of the water in the penstock?

A 12 M Diameter Penstock Carries Water from a Reservoir with with a 150