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## Homework Statement

A man walks on a straight road from his home to market 2.5km away with a speed of 5km/h. Finding the market closed, he instantly turns and walk back home with a speed of 7.5km/h.

For the given time intervals (i) 0 to 30minutes. (ii) 0 to 50minutes., (iii) 0 to40 min. What is the

a) magnitude of average velocity and

b) average speed of the man.

## Homework Equations

## The Attempt at a Solution

distance=displacement

d=s*t

2.5=5*x

x=5/2.5=2