Question

A man walks on a straight road from his home to market 2.5 km away with a speed of 5 kmph. Finding market
closed, he instantly returns and walks back home with a speed of 7.5 kmph. What is the magnitude of
average velocity and average speed of the man over his entire journey? Also find the average velocity and
average speed of the man over the intervals of time from (i) 0-30 min (ii) 0 - 50 min (iii) 0 - 40 min.​

Answer 1

Answer:

1)6kmph

Explanation:

For part two since the velocity until 30 min is constant so for 0-30mins its 5kmph

I did for 0 to 50 mins similarly you can do for 40 mins