a person move a distance of 3 kilometre towards East then 2 kilometre towards north and 3.5 kilometre towards east find the distance cover and displacement
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Distance is the length of the path taken/covered by an object. It is a scalar quantity (scalar quantities are the ones which only have magnitude like time)
Here distance will be 3km+2km+3.5km
=8.5km
Displacement is the length of the shortest path between the initial and the final position. It is a vector quantity (Vector quantities are the ones which have both magnitude,called speed and direction)
Here displacement can be found out using Pythagorean theorem
Displacement ²=2²+6.5²
Displacement=√4+42.25
Displacement=√46.25=6.8(approx)
Hope it helps!
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