D = 120 Km , Vmed = 80 km/h , T = ?

Vmed = D / T

80 = 120 / T

T = 120/80

T = 1,5H OU 3/2H

CONVERTENDO PARA MINUTOS

T = 3/2 H => T = 3 x 60 / 2 min =>

T = 90 MINUTOS

∆S= 120km

V=80km/h

V=∆S/∆t

80=120/∆t

∆t=120/80

∆t=1,5h

1,5h ------------> min

∆t=90min