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A boy travels 3km north and then 4km east what will be

(A) the distance travelled by him
(B) the minimum distance he need to get back to where we storted (C) the in of his desplacement



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The boy travelled 3 km north and 4km east.

(A) the total distance travelled = 3+4 = 7km
(B) the shortest distance is through the path joining the starting and ending point.
    it will be √4²+3² = √9+16 = √25 = 5km
(C) the displacement is the shortest distance joining the starting and ending point. So it is 5km

See the attachment for better understanding.
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1) the distance traveled =7 km
2) the minimum distance = 5 km
3) we know that the shortest distance is called as displacement and it is the definition for displacement therefore,the displacement=5 km

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