Question

an engine pumps up 100 kg of water through a height of 10m in 5s .if the efficiency of engine is 60% what is ghe power off the energie ? take g=10 m/s square a) 33kW. b) 3.3kW. c) 0.33kW. d) 0.033kW

Answer 1

answer: (b) 3.3kW



reason
power used to pump the water:
mgh/t= 100×10×10/5= 2000W
power of engine = 2000×100/60=3.3kw


so answer is 3.3kW




hope it may help u



# be brainly

Answer 2

Ahoy!

Refer to the attachment