Question

H car travels first 50km with the
constant speed 30km/h^-1
And Next 40km with the constant speed of 60km/h^h-1 calculate the average speed​

Answer 1

Answer:

Explanation:

average speed = total distance /total time

speed=distance /time

time=50/30

=1.66 hr

time=40/60

=0.66 hr

average speed=50+40/1.66+0.66

=38 km/hr