Two parallel rail tracks run North South Train A moves North

Last updated: 6/21/2023

Two parallel rail tracks run North South Train A moves North with a speed of 54 km hr and train B moves South with a speed of 90 km hr What is the velocity of B with respect to A in m s Choose the positive direction of x axis to be from south north O 40 0 O 55 0 O 30 0 450