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    A diver climbs up to a diving platform. His potential energy changes by 500J, but where does this energy come from?

    I may be being stupid, but I seriously don't know!
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    (Original post by Bonejue)
    A diver climbs up to a diving platform. His potential energy changes by 500J, but where does this energy come from?

    I may be being stupid, but I seriously don't know!
    The work done to move him to the top platform comes from the forces applied by his muscles. Where does the energy come from that enables him to move his muscles? That's your source.
 
 
 
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Updated: April 9, 2013
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