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April 26, 2015

Posts by Liz


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Physical Science Question 2
When a surfer rides an ocean wave on her surfboard, she is actually riding on A.a crest that is toppling over B.a trough of the wave C.the rest position of the wave D.a region of rarefaction Have you ever watched a surfer or a suring movie? Actually, none of these choices are ...
June 12, 2006

Physical Science Question 1
If no friction acts on a diver during a dive, then which of the following statements is true? A.The total mechanical energy of the system increases. B.Potential energy can be converted into kinetic energy but not vice versa C.(KE+ PE)beginning = (KE + PE)end D.all of the above...
June 12, 2006

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