A train takes t sec to perform a journey It travels for sec with uniform acceleration then for n 3 sec with uniform speed v and

Question

A train takes t sec to perform a journey It travels for sec with uniform acceleration then for n 3 sec with uniform speed v and finally it comes to rest with uniform retardation The n average speed of the train is V A 3 2 2n B 2n 3 2n C 3 2 3n D 2n 3 V 3n

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