Question

Mario walks along the edges of a square playground of side 15m such that he can return to his starting point in 50s what will be the magnitude of his distance and displacement at the end of 3min 45 sec
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Answer 1

Answer:

Total distance covered 10m in 40sec

Total time taken= 2min 20sec= 140sec

Total round completed = 140/40=3.5 rounds

So If an object moves from A to D, the shortest path will be from A to C. So displacement is AC, that we will find by phythogoras theorem.

AC2= AB2 +BC2 

AC2= (10)2 +(10)2

AC2= 100+100

AC2=200

AC = (200)1/2

 

AC= 10× (2) ½ 

Explanation:

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Answer 2

Explanation:

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