Question

A car travels 30 km at a uniform speed of 40 km/h and the next 30 km at a uniform speed
of 20 km/h. Find its average speed?​

Answer 1

Answer:

.speed=distance/time

soory bro i only want to score points

Answer 2

Answer:

26.67 km/h

Explanation:

let first speed be V1 = 40 km/h

let second speed be V2 = 20 km/h

Average Speed = (2×V1×V2) / V1+V2

= ( 2 × 40 × 20 ) / 40 + 20

= 1600 / 60

= 26.67 km/h ( approx )