Q. A body starts to fall freely under gravity. The distance covered by it in first, second and third $second$ are in ratio
A) $1:3:5$
B) $1:2:3$
C) $1:4:9$
D) $1:5:6$
Explanation
(a) $S_{n} = u + \frac{g}{2}(2n - 1);$ when $u = 0,\ S_{1}:S_{2}:S_{3} = 1:3:5$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.