Question

a particle in uniformly accelerated motion along a straight line cover a distance of 20m in 2s and a distance of45m in 3s .the magnitude of the intial velocity of the particle is​

Answer 1

use 3rd equation of motion

S=ut+1\2at^2

next

again same formula

multiply eq 1 by 3

and eq 2 by 2

and subtract 1 from 2