Question

A car covers first half of the distance with a speed
20 km/hr and next half of the distance with a speed,
of 30km/hr. Then calculate avg. speed of its whole motion
​

Answer 1

Answer:25

Explanation:

Answer 2

Answer:

50/3(or)16.6666bar.

Explanation:

First half of the distance with a speed-20km/hr.

Next half- 30km/hr

Avg.speed-total distance/total time taken.

20+30/3 half

50/3(or)16.6666bar