Respuesta :

akhil9553386

Explanation:

Total distance travelled S = S₁ + S2

50km + 60km = 110km

Total time t = t₁ + t₂

S1 S2

t = +

V1 V2

50 60

+ = 5 h

25 20

Average velocity=

Total distance travelled S

Total time of journey t

110km

5h

= 22 kmh-¹