7 A locomotive is running at a speed of v If the supply of

Last updated: 6/13/2023

7 A locomotive is running at a speed of v If the supply of current to the traction motors is stopped the locomotive moving with a uniformly retarded speed 0 5 m s will stop in 20 seconds The initial velocity v of the train is O A 18 km h O B 36 km h O c 52 km h O D 12 km h