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Video Version of Gravitational Potential

October 8, 2012 Leave a comment

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Gravitational Potential Energy

Here is an example of work-energy with gravitational forces (not near the surface of the earth).  As a bonus, I derive the formula for the gravitational potential energy.

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A Great Work-Energy Question

February 27, 2012 Leave a comment

I know we haven’t really gotten into energy yet, but I don’t want to forget about this question.

Check it out (from Reddit-AskScience):

How small would a moon have to be so that you could could jump and escape? http://www.reddit.com/r/askscience/comments/q88lw/how_small_would_the_moon_need_to_be_for_someone/

Even though it appears people have posted an answer, this would be an excellent screencast for a reassessment.