How much energy will it need for a pump to pump 2000 L of water, 5 m above the ground in 15 min?
or:How much energy will it need for a pump to pump 2000 L of water, 5 m above the ground in 15 min?
or:How much energy will it need for a pump to pump 2000 L of water, 5 m above the ground in 15 min?
