Problem with energy conservation law?
Posted November 18th, 2008Pythagor asked: Hello,
I have got a problem which is described below.
A heavy metal ball starts to fall from 1 meter height, ant this ball hits a light tennis-ball on the table. After the hit, metall ball rises nearly to 1 meter height. To what height does a light tennis-ball rise?
In my opinion, energy conservation law [...]
how could energy conservation be improved ?
Posted November 18th, 2008Jade asked: and how much would we have to conserve to make acid rain go away? also what would that do to the enviroment?Powered by Yahoo Answers