Member since January 18, 2014

yeecheng

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yeecheng
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Sat 18 Jan, 2014 02:36 am - a man holds a plane mirror 0.5m in front of his eyes and is able to see a 12m high tree behind him,the mirror is20.0cm high and thr image of the tree is completely fills the mirror.the distane the... (view)
 
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