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The following exercise is sport?

Wstc2008bs2010-04-01 10:10:37 +0000 #1
Apple Floor:

points, reached the ear ring:

searchlight shooting at the sky:

peach trees bear a peach:

2. Pull bowstring, the bowstring on the savings, what can? Release a bow string, the arrow will be shot forward, then what can the arrow be?
good treasure small Hey2010-04-01 10:17:07 +0000 #2
Apple Floor ... ... free ringtones reached the point of landing

ear ... ... Mechanical wave propagation (CV)

searchlight shooting at the sky ... ... light travels in straight lines (CV)

2. when pulled bow string, what can? Release a bow string, the arrow will be shot forward, then the elastic potential energy savings on the bowstring, the arrow was a kinetic energy

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