Question

An object covers 30m in 3s and then the next 20m in 2s. The average speed of the object is​

Answer 1

Answer:

10m/sec

Explanation:

mean of both object's speed

Answer 2

Answer:

18 m/s

Explanation:

Given:

Distance covered by the object in first 2 seconds = 30 metres

Distance covered by the object in the next 3 seconds = 60 metres

To find:

Average speed of the object from the above details

Average speed = Total distance/Total time

Total distance = 30+60 = 90 metres

Total time = 2+3 = 5 seconds

Average speed = 90/5

Average speed = 18 m/s

Option b) is the right answer for the above question