Question
Mon September 03, 2012 By:

A man leaves his house at 6:30 a.m. for a morning walk, and returns back at 7:15 a.m. and he covers 4 km. His displacement in this time is: 2 km 4 Km 8 Km

Expert Reply
Tue September 04, 2012
yes  the answer should be 0 km
 
there might be some printing mistake.
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