Respostas

2013-07-12T21:15:14-03:00
E_potencial_gravitacional = m*g*h

Epg= 4*10*16
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Epg= 640 Joules
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2013-07-12T21:20:40-03:00
Epg = m.g.h
Epg = 4.10.16
Epg = 640 J
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