Question

4. An athlete travel distance of 2 km
in first hour, 1 km in second hr
and 0.5 km in third hr, calculate
the average speed in 5km/hr and
m/s.​

Answer 1

Explanation:

average speed=total distance/total time

avg speed = 3.5/3kmph=7/6kmph=1.1/6kmph

avg speed in m/s (7×5)/(6×18)=35/72mps