Question

e-m
body of mass 6kg is under a force which causes displacement in it which is given by s=t^2/4
where t is time. The work done by the force in 2s is
1) 12J
2) 9 J
3) 65
4) 3J

​

Answer 1

Explanation:

mass=6kg

s=t^2/4

a=1/2

F=ma=3

W=3