Tricky!
Classical Mechanics
Level
1
If a man started his journey from a point of world, then he returned to that point. So what was his displacement?
1
1.305E8
0
5000
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I think,since the earth is rotating so if the man started from a point no doubt he may reach that point but the position of earth may not be same as before(when he started),if the whole universe is taken into consideration the displacement may not necessarily be 0 :)