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A train takes t see to perform journey, ...

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

`(3n-2) v/(2n)`

B

`(2n-3) v/(2n)`

C

`(3n-2) v/(3n)`

D

`(2n-3) (v)/(3n)`

Text Solution

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The correct Answer is:
B
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