Question

A person walks on a straight road from his home to a market 3 km away with a speed of 6 km/h. Finding themarket closed, he instantly turns back and travels with a speed of 9 km/h.
What is:
(a) magnitude of average velocity
(b) average speed of the person over time interval
(i) O to 40 min. (ii) O to 50 min.​

Answer 1

Answer:

a) i)0.625m/s

ii) 0 m/s

b) i)1.875m/s

ii) 2.5 m/s

Explanation:

explanation is in images