Question

An object moves 10 m in 4s then turns left and move 20m in next 5s what is average speed

Answer 1

Answer:

10/3 m/s.

Explanation:

Average speed= Total distance covered / Total time taken

Answer 2

Answer:

10/3 m/s

Explanation: first

Average speed = total distance/total time taken

First 10m in 4 sec

Second 20m in 5 sec

Average speed = 20+10/5+4=30/9

=10/3 m/s