jzackery66 jzackery66
  • 13-09-2017
  • Physics
contestada

a motorist travels 406 km during a 7.0 hr period. what was the average speed in km/hr and m/s

Respuesta :

barnuts
barnuts barnuts
  • 25-09-2017

The average speed would simply be the ratio of distance and time. That is:

average speed = distance / time

 

in km/hr

average speed = 406 km / 7 hr = 58 km / hr

 

in m/s

average speed = (58 km / hr) * (1000 m / 1 km) * (1 hr / 3600 s) = 16.11 m/s

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