A man walks 7km in 2hr and 2km in 1hr in same direction What is average speed and velocity
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Explanation:
From first
7 km in 2 hours
i.e. 7/2=3.5 km in 1 hour.
From second
2km in 1 hour.
Average speed=(3.5+2)/2
=5.5/2=2.75 km/hr.
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