Question

Indica en m/s y km/h la rapidez de un camión que en 40 segundos recorre 500m

Answer 1

500m/40s = 12.5 m/s

500m/40s
1km = 1000m
500 = 500/1000 = 0.5 km
0.5km/40s
1 hora = 3600 s
3600/40 = 90
0.5km*90 = 45
45km/h