Question

A=3m/s 2 u=0 m/s t=3 sec. v=5m/s 2 s=?

Answer 1

v square -u square = 2as  [3rd kinematical equation of motion]
(5) sqaure - 0= 2 (3)(s)
25=6s
s=25/6
  =4.16(16 recurring).
:)