PDA

View Full Version : Help Needed Immediately


sundeepsingh
Jul19-05, 09:12 PM
q. water flows over niagra falls which is 128m high at an average rate of 1.67e6 Kg/s. The acceleration due to gravity is 9.81. If half of the potential energy of this water were converted in to electrical energy how much power will be produced by these falls.

Please help asap

MY work: PE/s = m. g. h
1.67e6 Kg/s . 9.81 . 128
2096985600 J/s
Ans/2

mukundpa
Jul20-05, 12:36 PM
what is wrong in it?

HallsofIvy
Jul20-05, 01:37 PM
What is your question??