Question

A courier drives 3 km at 30km/h and 2km/h. What is the average speed of the 5km journey?

Answer 1

Answer:

3.76km/h

Step-by-step explanation:

V1=30km/h

S1=3km

T1=3/30=0.33h

V2=2km/h

S2=2km

T2=2/2=1h

Vag=S1+S2/T1+T2=5/1.33=3.76km/h(approx)