Question

plz tell me this . my answer is not coming

Answer 1

a=-6m/s^2
t=2s
s=?
v=0m/s

v=u+at
0=u-6×2
u=12m/s

v^2=u^2+2as
0=144+2×-6×s
s=-144/-12
s=12m

Thanks for question.....:)♡♡♡