Question

A car covers first 50 km of its journey in 45 minute next 50 km in half an hour and the next 50 km in 1 hour .find its averahe speed for the journey

Answer 1

Answer:

<v>=66.67 km/hr..,

Explanation:

avg. speed= ttl distance/ttl time

<v>=(50+50+50 km)/(2.25 hr)

<v>=150/2.25 km/hr

<v>=66.67 km/hr..