Question

A boy walks from his classroom to the bookshop along a staright corridor towards a north he covers distance 20m in 25s to reach a book shop after buying a book he travels the same distance in the same time to reach back the classroom find average speed and average velocity of the boy

Answer 1

total distance = 40m
total time = 50s
average speed= total distance / total time
= 40/50= 0.8m/s
displacement = 0
average velocity = 0m/s

Answer 2

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refer to the attachment

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