Question

plz answer fast plz ​

Answer 1

Answer:

V=80m/s i think

mark as brainlist

Answer 2

Answer:

a=4 m/s2

s=800m

u=0 m/s

s=ut+ 1/2 at2

800=0+1/2*4*t2

800=2t2

400=t2

t=20 s

a=(v-u)/t

4=v-0/20

80=v

v=80 m/s

THANKS