Question

person drove car for 1 hour at the rate of 40 km/h and for 3 hours at 50 km/h. Calculate his average speed for the journey in km/h and m/s​

Answer 1

Answer:

47.5km/h

13.19444m/s

Explanation:

distance=1*40+3*50=190km

time=1+3=4hrs

speed=190/4=47.5kmph

47.5*5/18=13.19444m/s