giuliabua
giuliabua giuliabua
  • 10-08-2016
  • Physics
contestada

a man walks 30 m to the west, then 5 to the east in 45 seconds

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AL2006
AL2006 AL2006
  • 10-08-2016
His average speed is  (35m/45s) = 7/9 meters per second.

His average velocity is  (30m W + 5m E) / (45s) = 25 m/s West .
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