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Renewable Energy

Science brain teasers require understanding of the physical or biological world and the laws that govern it.


Puzzle ID:#15992
Fun:*** (2.42)
Difficulty:** (1.29)
Submitted By:curtiss82*****




For his science fair project, John decided to experiment with renewable energy sources. He hoped that his work will solve all of our energy problems. He decided to power a generator with an electric motor. He thought once the generator was up to speed, he could just flip a switch and the generator could supply the electricity that powered the electric motor. John was for sure he made a historical discovery, he found an alternative to fossil fuels. His energy source was purely renewable. Why did his experiment fail once he put it to the test?

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Jan 03, 2004

Good one. Got it though
Jan 12, 2004

I actually wanted to try this when I was a kind thinking it would work. Nice one
Sep 19, 2005

i already have a masters degree from MIT in boring, impossibly hard teasers that make me feel smarter that anyone else,so this was a piece of cake for me and everyone i know
Nov 19, 2005

hey good one! didnt get it but felt stupid as soon as i read the answer. maybe i should go back to school.
Apr 05, 2007

If the whole apparatus made audible sounds, it would also lose energy to that.
Dec 24, 2010

energy is neither created or destroyed but converted from one form to another..... I got it yay! but i cant explain it though

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