An engine can pull 4 coaches at a maximum speed of 20 m s

Last updated: 5/29/2023

An engine can pull 4 coaches at a maximum speed of 20 m s Mass of the engine is twice the mass of every coach Assuming resistive forces to be proportional to the weight approximate maximum speeds of the engine when it pulls 12 and 6 coaches are A 8 5 m s and 15 m s respectively C 8 5 m s and 13 m s respectively B 6 5 m s and 8 m s respectively D 10 5 m s and 15 m s respectively