Initially a body is at rest. If its acceleration is \( 5 \mathrm{~m...

Initially a body is at rest. If its acceleration is \( 5 \mathrm{~ms}^{-2} \) then the distance travelled in the \( 18^{\text {th }} \) second is :-
(1) \( 86.6 \mathrm{~m} \)
(2) \( 87.5 \mathrm{~m} \)
(3) \( 88 \mathrm{~m} \)
(4) \( 89 \mathrm{~m} \)