Question

B.
A body starts from rest with constant acceleration
and travels 90 m in 8th second, then acceleration
of the body is
(1) 5 ms-2
(2) 12 m s-2
(3) 15 m s-2
(4) 7.5 m s-2​

Answer 1

Answer:

use this equations when solving typical questions

$s = u + \frac{a}{2} (2n - 1)$

2nd one is your answer