physics lols *clix*Now do potential energy using springs and/or a leg!
(
Ysol ab abl blap,
Mon 20 Jul 2009, 21:28,
archived)
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physics lols *clix*
Ysol ab abl blap,
Mon 20 Jul 2009, 21:28,
archived)
physics lols *clix* Ysol ab abl blap,
Mon 20 Jul 2009, 21:28,
archived)