Question

Example 10. A man walks at 1 m/s for 60 minutes
He takes rest for 20 minutes and then walks at
a speed of 1 m/s for 60 minutes. Find its average
speed.​

Answer 1

Answer:

3600 metre

Explanation:

per hour

Answer 2

Answer:

Total Distance = 1 × 3600 + 1 × 3600

                           = 7200 metersTotal Time = 120 x 60 + 20 x 60 minutes

Average Speed = Total Distance / Total Time                              = 7200/8400                              = 6/7 m/s

this is the required Average Speed

hope this may help you