Question

solve this it's urgent​

Answer 1

Initial velocity

 u=0

Final velocity v=30m/s

Time, 

t=10sec

v=u+at

30=0+a×10

30=10a

a=1030=3m/s2

for next 

10sec, 

initial velocity =30m/s

s=ut+21at2

=30×10+21×3×(10)2

=300+1.5×100

=300+150

=450m