A train takes t see to perform journey, if travel for t/n sec with unifornl acceleration then for ((n-3)/(n))t sec with uniform speed v and finally it comes to rest with uniform retardation. Then average speed of train is

A train takes t see to perform journey, if travel for t/n sec with uni

1.	A train takes t see to perform journey, if travel for t/n sec with unifornl acceleration then for ((n-3)/(n))t sec with uniform speed v and finally it comes to rest with uniform retardation. Then average speed of train is
Answer» `(3N-2) V/(2N)` `(2n-3) v/(2n)` `(3n-2) v/(3n)` `(2n-3) (v)/(3n)` ANSWER :B