A person walking towards north covers 4km and turns toeards east covers 3 km in total time of 2.5 hours, then average velocity is
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Total diplacement = 4 km + 3 km
= 7 km
Total time = 2.5 hours
Average velocity = total
displacemet/
Total Time
= 7/2.5
= 2.8 km/hr
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