Respuesta :

musiclover10045

Speed = distance /  time

Speed = 12km /  5 minutes

Speed = 2.4 km per minute

Speed is measured per hour, 1 hour has 60 minutes.

2.4 km per minute x 60 minutes = 144 km per hour
144 km/h

V= s/t = 12*60/5 = 144

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