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August 21, 2014

August 21, 2014

Posted by **srikala** on Friday, May 25, 2012 at 2:45am.

- physics -
**tchrwill**, Friday, May 25, 2012 at 9:37amTime out = 6/2.5 = 2.4 hours

Time back = 6/4 = 1.5 hours

Average speed for the round trip =

(6 + 6/(2.4 + 1.5) = 3.077 kmph

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