Calculate the time taken by a water pump of power 500 W to lift 2000 kg of water

to a tank, which is at a height of 15 m from the ground? Use: g = 10 m/s2
(

2 answers

500W = 500J/s
work = Force * distance = 2000kg*10*15m = 300000J

300000J รท 500J/s = 600s = 10 minutes
Good