Friday
December 19, 2014

Posts by DrBob


Total # Posts: 4

Physics
work by conveyer belt = work of normal + work of friction force why i dont know its dumb.
July 14, 2013

Physics
sloppy work henry
July 14, 2013

chem 121
NaCl is a solid. CH4 is a gas. The last one is a liquid. That should be enough of a hint.
July 9, 2010

Science
Don't second guess yourself.
December 8, 2006

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