Answers

  • Brainly User
2014-04-20T13:49:49+05:30
Energy is defined as the work done per unit time.
different sources of energy are as follows:
1)solar energy
2)wind energy
3)mechanical energy
4)potential energy
5)kinetic energy
6)water or hydro energy
etcetra..........................
0
2014-04-20T13:54:57+05:30
Energy is the capisity to do work .this universe is a constant . they may be in different forms like potential kinetic machenical solar electric sound light 
0