clara2018 09/06/2016 2 min = 60*2=120 s 72 km/h = 72000/3600 m/s = 20 m/s Δs =Δv * Δt = 20 * 120 = 2400 m ou 2,4 km
clara2018
2 min = 60*2=120 s
72 km/h = 72000/3600 m/s = 20 m/s
Δs =Δv * Δt = 20 * 120 = 2400 m ou 2,4 km