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30 March, 06:34

A person began running due east and covered 15 km in 2.0 hr. What is the average velocity of the person? (Hint: v = d/t) Show all your work!

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  1. 30 March, 06:39
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    d = total displacement of the person running due east = 15 km

    t = time taken by the person to travel the given distance due east = 2.0 hr

    v = average velocity of the person in east direction = ?

    average velocity is the ratio of total displacement to total time taken. hence

    average velocity = total displacement/total time

    v = d/t

    inserting the values

    v = 15 km/2.0 hr

    v = 7.50 km/hr
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