Question

A body starts from rest with an acceleration 4m/s2 .Find the distance covered in 4 secomds

Answer 1

here,u=0,dis=s,a=4 ,t=4.

by newton's 2nd equation

s=ut+1/2×at^2

s=0+1/2×4×(4)^2

s=1/2×4×16

s=2×16

s=32m

it cover 32m in 4 sec