Question

A person starts his jogging one morning.He jogs at a speed of 5m/s for the first 8,000 m.
He then rests for 15 minutes. After that he walks briskly at a speed of 1.5 m/s for another 50m
followed by the speed of 7 m/s for a distance of 9,000 m before he finishes his exercise.Calculate his average speed for the entire
exercise in km/h.​

Answer 1

Answer:

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