Asked by Garrett

A pump is required to lift a mass of 750kg of water per minute from a well of depth 13.2m and eject it with a speed of 17.4m/s.

A) How much work is done per minute in lifting the water?
B) How much in giving the water the kinetic energy it has when ejected?
C) What must be the power output of the pump?
Answered by Damon
work to lift = m g h = 750 * 9.81 * 13.2 Joules/minute

work for Ke = (1/2)(750)(17.4)^2 Joules/minute

C) add those and divide by 60 to get Joules/second or Watts

Answered by Tulunan
Because i have need to leartthis topic
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