An object moves 5km due east and then 12km due south. Find the the distance covered by the object and its displacement
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Answer:
Distance = 17 km, Displacement = 13 km
Step-by-step explanation:
See in the diagram, first the object moves towards east (from A to B) (5 km), after that it moves towards south (from B to C) (12 km). ABC forms a right angled triangle.
Distance travelled by the object
= length of the actual path travelled by the object
= AB + BC
= 5 + 12
= 17 km
Displacement of the object
= length of the shortest path between final and initial position
= AC
= 13 km (from Pythagoras theorem)
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