School of a boy from his home is 1 kilometre to the east when he reaches back home he says that he had traveled two kilometres distance but his displacement is zero. justify your answer as zero.
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Yes obviously
he covered one km from home to skol and then 1 km back to the home ....
THEREFORE total path length he covered ( distance ) = 1+1 = 2 km ....
and displacement is the shortest distance between initial and final positions....since initial and final positions coincided the displacement is 0
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