In reply to David Roberson's message of Mon, 14 Mar 2016 20:56:31 -0400: Hi, [snip] >Trick question. All of the energy used by the electric drive could be >accounted for from the frame of the car by observing frictional losses, wind >movement, heat emissions, etc. It would not be easy to calculate, but the >information should be there. > >Dave
Try convincing the driver, that is now in hospital because he drove into a concrete wall at high speed, that all of the stored energy was lost to wind resistance and road friction. Regards, Robin van Spaandonk http://rvanspaa.freehostia.com/project.html