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ntA man walk on a straight road from his home to a market 2.5 km away with a speed of 5km/h. Finding the market closed, he instantly turns and walks back home with a speed of 7.5 km/h . The average speed of the man over the interval of time 0 to 50 min is equal ton |
| Answer» ntA man walk on a straight road from his home to a market 2.5 km away with a speed of 5km/h. Finding the market closed, he instantly turns and walks back home with a speed of 7.5 km/h . The average speed of the man over the interval of time 0 to 50 min is equal ton | |