asked 106k views
1 vote
during first half of the journey a body travels with speed of 40km/hrs and in next half it travels with speed of 20km/hrs.Calculate the average speed of the whole journey

asked
User Marlin
by
8.3k points

1 Answer

4 votes
It covers a distance of 80 km
in first half it takes 1 hr to cover 40 km at speed of 40 kmph
in second half it takes 2hr to complete 40 km at speed of 20kmph
so average speed is 80/3 kmph
answered
User Ethan T
by
7.9k points
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.