A person is running at his maximum speed of 4 m/s to catch a train. When he is 6 m from the door of the compartment the train starts to leave the station at a constant acceleration of 1m//s^(2). Find how long it takes him to catch up the train

A person is running at his maximum speed of 4 m/s to catch a train. Wh

1.	A person is running at his maximum speed of 4 m/s to catch a train. When he is 6 m from the door of the compartment the train starts to leave the station at a constant acceleration of 1m//s^(2). Find how long it takes him to catch up the train
Answer» 2 sec 3 sec 4 sec none Answer :A