Question

A man walks at 1m/s for 60 minutes he takes rest for 20 minutes and then walks at a seed of 1m/s for 60 minutes find his average speed

Answer 1

Answer:

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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