Question

calculate the power of an electric motor that can lift 800 kg of water stored in a tank at a height of 1500 cm in 20 seconds g= 10 metre per second square

Answer 1

m=800kg       h=1500m    t=20sec    g=10m/s^2

P=mgh/t
P=800 *10* 1500 /20
P= 600000W
  P= 600KW