A motor is used to lift water from a well of depth 10m and to fill a water tank of volume 30m3 in 10 minutes. The tank is at a height of 20m above ground. If 20% of energy is wasted, the power of the motor is (in kW)
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A motor is used to lift water from a well of depth 10m and to fill a water tank of volume 30m3 in 10 minutes. The tank is at a height of 20m above ground. If 20% of energy is wasted, the power of the motor is (in kW)