A man walks on a straight road from his home to a market 25 km away with a speed of 5 km/h finding the market closed he instantly turns and walks back home with a speed of 7.5 km/h. What is the magnitude of average velocity?
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Answer:
0 km/h
Explanation:
Given :
- Man travels a distance of 25 km with a speed of 5 km/h and on seeing the shop to be closed, he returns with a speed of 7. 5 km/h
To find :
- Average velocity of the man during this journey
Average velocity = total Displacement / total time
Total Displacement = 0 km (As the man again returns back to the same initial position and hence Displacement is equal to 0 km)
Whatever the time is taken but as it the time is divided by 0,the answer would be 0
Hence,
Average velocity = 0 km/h
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