KNO014 15 A train covers the first half of the distance

Last updated: 6/28/2023

KNO014 15 A train covers the first half of the distance between two stations with a speed of 40 km h and the other half with 60 km h Then its average speec is 1 50 km h 3 52 km h 2 48 km h 4 100 km h essi KNOO15