1.

A body starts from rest and its distance covered in n" second is given by S_(n^(th)) =(a)/(2) (2n-1) ,when 'a' is acceleration of the body. Then SI unit of S_(n^(th)) is

Answer»

m
`ms^(-1)`
`ms^(-2)`
`ms^(-3)`

Solution :`S_(nth)` represents distance PER UNIT time and not distance.


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