The ratio of the distance travelled in the third and fourth second by a particle moving over a straight path with constant acceleration is ......

The ratio of the distance travelled in the third and fourth second by

1.	The ratio of the distance travelled in the third and fourth second by a particle moving over a straight path with constant acceleration is ......
Answer» `7/5` `5/7` `7/3` `3/7` Solution :`S _(n) = 9/2 (2N -1)` `THEREFORE S _(3) = 9/2 (5)` `therefore S_(4) = 9/2 (7)` `therefore (S_(3))/(S _(4)) = (5)/(7)`