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A body moving along streight line covers a distance in three equal parts with speed 2m/s,3m/s,4m/s,then its avarage speed is(a)12(b)13/12(c)36/13(d)12/13

Answer» A body moving along streight line covers a distance in three equal parts with speed 2m/s,3m/s,4m/s,then its avarage speed is
(a)12
(b)13/12
(c)36/13
(d)12/13


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