Question

An object starting from rest moves with the uniform acceleration and travels a distance 45m in 8th second .find its acceleration?

Answer 1

u=o m/s

s=45 m

t=8 s

Using 2nd equation of motion (s=ut + 1/2at²),

45=0(8) + 1/2a(8)²

45= 64a/2

90=64a

a=90/64

a=1.40 m/s²