Question

A man walks on a straight road from his home to a market 2.5km away with a speed of 5 km/h.Finding the market closed.He instantly turns and walks back home with a speed of 7.5km/h.For the given time intervals(1)0 to 30 min. (2)0 to 50 min. (3)0 to 40 min.What is the (a)magnitude of average velocity and (b)average sped of the man.Please explain.​

Answer 1

Explanation:

the explanation is in the attachment.

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