Respuestas

2012-06-19T05:01:56+02:00

V=x/t

 

V=130/10.5=12.38 m/s

 

12.38 m/s(1km/1000m)(3600s/1h)=44.5 km/h

 

44.5 km/h(1M/.62km)=71.7 M/h