Question

I need answer plz answer it earlier

Answer 1

t=1 min= 60s
velocity= 21m/s

v=u+at
21=0+a×60
a=21/60
a=0.35m/s^2

Answer 2

u=0
v=21 m/s
t=1min
=60 sec

a=v-u/t
a=0-21/60
a=-21/60
a=7/20
a=0.35 m/s2

hope it helps...