ramaherhouma ramaherhouma

22-11-2021
Physics

contestada

A runner runs 400 metres in 1 minute 20 seconds. What is his speed in m/s

Respuesta :

hhapua2002 hhapua2002

22-11-2021

Answer:

5m/s

Explanation:

400m/ 20+60s

= 400/ 80 m/s

5 ms-1

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