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January 30, 2015

January 30, 2015

Posted by **Anonymous** on Monday, April 2, 2012 at 8:02am.

- math -
**drwls**, Monday, April 2, 2012 at 8:05amSince the three displacements are in mutually perpendicular directions (x,y,z) , the distance from A to the light is

sqrt(10^2 + 10^2 + 5^2) = sqrt225 = 15 m

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