An object moves 18 m in the first 3s, 22m in he next 3s and 14 m in the last 3s. What is its average velocity ?
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Total displacement = 18m +22m +15m= 55m
Total time taken= 3+3+3sec = 9 sec
Therefore,
Average velocity =
Total displacement /total time taken
= 55/9 m per sec
=6.1m per sec
Hope it helps you....
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